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Diffstat (limited to 'ruby_2_2/lib/mkmf.rb')
| -rw-r--r-- | ruby_2_2/lib/mkmf.rb | 2687 |
1 files changed, 2687 insertions, 0 deletions
diff --git a/ruby_2_2/lib/mkmf.rb b/ruby_2_2/lib/mkmf.rb new file mode 100644 index 0000000000..d30471ee8e --- /dev/null +++ b/ruby_2_2/lib/mkmf.rb @@ -0,0 +1,2687 @@ +# -*- coding: us-ascii -*- +# module to create Makefile for extension modules +# invoke like: ruby -r mkmf extconf.rb + +require 'rbconfig' +require 'fileutils' +require 'shellwords' + +# :stopdoc: +class String + # Wraps a string in escaped quotes if it contains whitespace. + def quote + /\s/ =~ self ? "\"#{self}\"" : "#{self}" + end + + # Escape whitespaces for Makefile. + def unspace + gsub(/\s/, '\\\\\\&') + end + + # Generates a string used as cpp macro name. + def tr_cpp + strip.upcase.tr_s("^A-Z0-9_*", "_").tr_s("*", "P") + end + + def funcall_style + /\)\z/ =~ self ? dup : "#{self}()" + end + + def sans_arguments + self[/\A[^()]+/] + end +end + +class Array + # Wraps all strings in escaped quotes if they contain whitespace. + def quote + map {|s| s.quote} + end +end +# :startdoc: + +## +# mkmf.rb is used by Ruby C extensions to generate a Makefile which will +# correctly compile and link the C extension to Ruby and a third-party +# library. +module MakeMakefile + #### defer until this module become global-state free. + # def self.extended(obj) + # obj.init_mkmf + # super + # end + # + # def initialize(*args, rbconfig: RbConfig, **rest) + # init_mkmf(rbconfig::MAKEFILE_CONFIG, rbconfig::CONFIG) + # super(*args, **rest) + # end + + ## + # The makefile configuration using the defaults from when Ruby was built. + + CONFIG = RbConfig::MAKEFILE_CONFIG + ORIG_LIBPATH = ENV['LIB'] + + ## + # Extensions for files compiled with a C compiler + + C_EXT = %w[c m] + + ## + # Extensions for files complied with a C++ compiler + + CXX_EXT = %w[cc mm cxx cpp] + unless File.exist?(File.join(*File.split(__FILE__).tap {|d, b| b.swapcase})) + CXX_EXT.concat(%w[C]) + end + + ## + # Extensions for source files + + SRC_EXT = C_EXT + CXX_EXT + + ## + # Extensions for header files + + HDR_EXT = %w[h hpp] + $static = nil + $config_h = '$(arch_hdrdir)/ruby/config.h' + $default_static = $static + + unless defined? $configure_args + $configure_args = {} + args = CONFIG["configure_args"] + if ENV["CONFIGURE_ARGS"] + args << " " << ENV["CONFIGURE_ARGS"] + end + for arg in Shellwords::shellwords(args) + arg, val = arg.split('=', 2) + next unless arg + arg.tr!('_', '-') + if arg.sub!(/^(?!--)/, '--') + val or next + arg.downcase! + end + next if /^--(?:top|topsrc|src|cur)dir$/ =~ arg + $configure_args[arg] = val || true + end + for arg in ARGV + arg, val = arg.split('=', 2) + next unless arg + arg.tr!('_', '-') + if arg.sub!(/^(?!--)/, '--') + val or next + arg.downcase! + end + $configure_args[arg] = val || true + end + end + + $libdir = CONFIG["libdir"] + $rubylibdir = CONFIG["rubylibdir"] + $archdir = CONFIG["archdir"] + $sitedir = CONFIG["sitedir"] + $sitelibdir = CONFIG["sitelibdir"] + $sitearchdir = CONFIG["sitearchdir"] + $vendordir = CONFIG["vendordir"] + $vendorlibdir = CONFIG["vendorlibdir"] + $vendorarchdir = CONFIG["vendorarchdir"] + + $mswin = /mswin/ =~ RUBY_PLATFORM + $bccwin = /bccwin/ =~ RUBY_PLATFORM + $mingw = /mingw/ =~ RUBY_PLATFORM + $cygwin = /cygwin/ =~ RUBY_PLATFORM + $netbsd = /netbsd/ =~ RUBY_PLATFORM + $os2 = /os2/ =~ RUBY_PLATFORM + $beos = /beos/ =~ RUBY_PLATFORM + $haiku = /haiku/ =~ RUBY_PLATFORM + $solaris = /solaris/ =~ RUBY_PLATFORM + $universal = /universal/ =~ RUBY_PLATFORM + $dest_prefix_pattern = (File::PATH_SEPARATOR == ';' ? /\A([[:alpha:]]:)?/ : /\A/) + + # :stopdoc: + + def config_string(key, config = CONFIG) + s = config[key] and !s.empty? and block_given? ? yield(s) : s + end + module_function :config_string + + def dir_re(dir) + Regexp.new('\$(?:\('+dir+'\)|\{'+dir+'\})(?:\$(?:\(target_prefix\)|\{target_prefix\}))?') + end + module_function :dir_re + + def relative_from(path, base) + dir = File.join(path, "") + if File.expand_path(dir) == File.expand_path(dir, base) + path + else + File.join(base, path) + end + end + + INSTALL_DIRS = [ + [dir_re('commondir'), "$(RUBYCOMMONDIR)"], + [dir_re('sitedir'), "$(RUBYCOMMONDIR)"], + [dir_re('vendordir'), "$(RUBYCOMMONDIR)"], + [dir_re('rubylibdir'), "$(RUBYLIBDIR)"], + [dir_re('archdir'), "$(RUBYARCHDIR)"], + [dir_re('sitelibdir'), "$(RUBYLIBDIR)"], + [dir_re('vendorlibdir'), "$(RUBYLIBDIR)"], + [dir_re('sitearchdir'), "$(RUBYARCHDIR)"], + [dir_re('vendorarchdir'), "$(RUBYARCHDIR)"], + [dir_re('rubyhdrdir'), "$(RUBYHDRDIR)"], + [dir_re('sitehdrdir'), "$(SITEHDRDIR)"], + [dir_re('vendorhdrdir'), "$(VENDORHDRDIR)"], + [dir_re('bindir'), "$(BINDIR)"], + ] + + def install_dirs(target_prefix = nil) + if $extout + dirs = [ + ['BINDIR', '$(extout)/bin'], + ['RUBYCOMMONDIR', '$(extout)/common'], + ['RUBYLIBDIR', '$(RUBYCOMMONDIR)$(target_prefix)'], + ['RUBYARCHDIR', '$(extout)/$(arch)$(target_prefix)'], + ['HDRDIR', '$(extout)/include/ruby$(target_prefix)'], + ['ARCHHDRDIR', '$(extout)/include/$(arch)/ruby$(target_prefix)'], + ['extout', "#$extout"], + ['extout_prefix', "#$extout_prefix"], + ] + elsif $extmk + dirs = [ + ['BINDIR', '$(bindir)'], + ['RUBYCOMMONDIR', '$(rubylibdir)'], + ['RUBYLIBDIR', '$(rubylibdir)$(target_prefix)'], + ['RUBYARCHDIR', '$(archdir)$(target_prefix)'], + ['HDRDIR', '$(rubyhdrdir)/ruby$(target_prefix)'], + ['ARCHHDRDIR', '$(rubyhdrdir)/$(arch)/ruby$(target_prefix)'], + ] + elsif $configure_args.has_key?('--vendor') + dirs = [ + ['BINDIR', '$(bindir)'], + ['RUBYCOMMONDIR', '$(vendordir)$(target_prefix)'], + ['RUBYLIBDIR', '$(vendorlibdir)$(target_prefix)'], + ['RUBYARCHDIR', '$(vendorarchdir)$(target_prefix)'], + ['HDRDIR', '$(rubyhdrdir)/ruby$(target_prefix)'], + ['ARCHHDRDIR', '$(rubyhdrdir)/$(arch)/ruby$(target_prefix)'], + ] + else + dirs = [ + ['BINDIR', '$(bindir)'], + ['RUBYCOMMONDIR', '$(sitedir)$(target_prefix)'], + ['RUBYLIBDIR', '$(sitelibdir)$(target_prefix)'], + ['RUBYARCHDIR', '$(sitearchdir)$(target_prefix)'], + ['HDRDIR', '$(rubyhdrdir)/ruby$(target_prefix)'], + ['ARCHHDRDIR', '$(rubyhdrdir)/$(arch)/ruby$(target_prefix)'], + ] + end + dirs << ['target_prefix', (target_prefix ? "/#{target_prefix}" : "")] + dirs + end + + def map_dir(dir, map = nil) + map ||= INSTALL_DIRS + map.inject(dir) {|d, (orig, new)| d.gsub(orig, new)} + end + + topdir = File.dirname(File.dirname(__FILE__)) + path = File.expand_path($0) + until (dir = File.dirname(path)) == path + if File.identical?(dir, topdir) + $extmk = true if %r"\A(?:ext|enc|tool|test)\z" =~ File.basename(path) + break + end + path = dir + end + $extmk ||= false + if not $extmk and File.exist?(($hdrdir = RbConfig::CONFIG["rubyhdrdir"]) + "/ruby/ruby.h") + $topdir = $hdrdir + $top_srcdir = $hdrdir + $arch_hdrdir = RbConfig::CONFIG["rubyarchhdrdir"] + elsif File.exist?(($hdrdir = ($top_srcdir ||= topdir) + "/include") + "/ruby.h") + $topdir ||= RbConfig::CONFIG["topdir"] + $arch_hdrdir = "$(extout)/include/$(arch)" + else + abort "mkmf.rb can't find header files for ruby at #{$hdrdir}/ruby.h" + end + + CONFTEST = "conftest".freeze + CONFTEST_C = "#{CONFTEST}.c" + + OUTFLAG = CONFIG['OUTFLAG'] + COUTFLAG = CONFIG['COUTFLAG'] + CPPOUTFILE = config_string('CPPOUTFILE') {|str| str.sub(/\bconftest\b/, CONFTEST)} + + def rm_f(*files) + opt = (Hash === files.last ? [files.pop] : []) + FileUtils.rm_f(Dir[*files.flatten], *opt) + end + module_function :rm_f + + def rm_rf(*files) + opt = (Hash === files.last ? [files.pop] : []) + FileUtils.rm_rf(Dir[*files.flatten], *opt) + end + module_function :rm_rf + + # Returns time stamp of the +target+ file if it exists and is newer than or + # equal to all of +times+. + def modified?(target, times) + (t = File.mtime(target)) rescue return nil + Array === times or times = [times] + t if times.all? {|n| n <= t} + end + + def split_libs(*strs) + strs.map {|s| s.split(/\s+(?=-|\z)/)}.flatten + end + + def merge_libs(*libs) + libs.inject([]) do |x, y| + y = y.inject([]) {|ary, e| ary.last == e ? ary : ary << e} + y.each_with_index do |v, yi| + if xi = x.rindex(v) + x[(xi+1)..-1] = merge_libs(y[(yi+1)..-1], x[(xi+1)..-1]) + x[xi, 0] = y[0...yi] + break + end + end and x.concat(y) + x + end + end + + # This is a custom logging module. It generates an mkmf.log file when you + # run your extconf.rb script. This can be useful for debugging unexpected + # failures. + # + # This module and its associated methods are meant for internal use only. + # + module Logging + @log = nil + @logfile = 'mkmf.log' + @orgerr = $stderr.dup + @orgout = $stdout.dup + @postpone = 0 + @quiet = $extmk + + def self::log_open + @log ||= File::open(@logfile, 'wb') + @log.sync = true + end + + def self::log_opened? + @log and not @log.closed? + end + + def self::open + log_open + $stderr.reopen(@log) + $stdout.reopen(@log) + yield + ensure + $stderr.reopen(@orgerr) + $stdout.reopen(@orgout) + end + + def self::message(*s) + log_open + @log.printf(*s) + end + + def self::logfile file + @logfile = file + log_close + end + + def self::log_close + if @log and not @log.closed? + @log.flush + @log.close + @log = nil + end + end + + def self::postpone + tmplog = "mkmftmp#{@postpone += 1}.log" + open do + log, *save = @log, @logfile, @orgout, @orgerr + @log, @logfile, @orgout, @orgerr = nil, tmplog, log, log + begin + log.print(open {yield @log}) + ensure + @log.close if @log and not @log.closed? + File::open(tmplog) {|t| FileUtils.copy_stream(t, log)} if File.exist?(tmplog) + @log, @logfile, @orgout, @orgerr = log, *save + @postpone -= 1 + MakeMakefile.rm_f tmplog + end + end + end + + class << self + attr_accessor :quiet + end + end + + def libpath_env + # used only if native compiling + if libpathenv = config_string("LIBPATHENV") + pathenv = ENV[libpathenv] + libpath = RbConfig.expand($DEFLIBPATH.join(File::PATH_SEPARATOR)) + {libpathenv => [libpath, pathenv].compact.join(File::PATH_SEPARATOR)} + else + {} + end + end + + def xsystem command, opts = nil + varpat = /\$\((\w+)\)|\$\{(\w+)\}/ + if varpat =~ command + vars = Hash.new {|h, k| h[k] = ENV[k]} + command = command.dup + nil while command.gsub!(varpat) {vars[$1||$2]} + end + Logging::open do + puts command.quote + if opts and opts[:werror] + result = nil + Logging.postpone do |log| + result = (system(libpath_env, command) and File.zero?(log.path)) + "" + end + result + else + system(libpath_env, command) + end + end + end + + def xpopen command, *mode, &block + Logging::open do + case mode[0] + when nil, /^r/ + puts "#{command} |" + else + puts "| #{command}" + end + IO.popen(libpath_env, command, *mode, &block) + end + end + + def log_src(src, heading="checked program was") + src = src.split(/^/) + fmt = "%#{src.size.to_s.size}d: %s" + Logging::message <<"EOM" +#{heading}: +/* begin */ +EOM + src.each_with_index {|line, no| Logging::message fmt, no+1, line} + Logging::message <<"EOM" +/* end */ + +EOM + end + + def create_tmpsrc(src) + src = "#{COMMON_HEADERS}\n#{src}" + src = yield(src) if block_given? + src.gsub!(/[ \t]+$/, '') + src.gsub!(/\A\n+|^\n+$/, '') + src.sub!(/[^\n]\z/, "\\&\n") + count = 0 + begin + open(CONFTEST_C, "wb") do |cfile| + cfile.print src + end + rescue Errno::EACCES + if (count += 1) < 5 + sleep 0.2 + retry + end + end + src + end + + def have_devel? + unless defined? $have_devel + $have_devel = true + $have_devel = try_link(MAIN_DOES_NOTHING) + end + $have_devel + end + + def try_do(src, command, *opts, &b) + unless have_devel? + raise <<MSG +The compiler failed to generate an executable file. +You have to install development tools first. +MSG + end + begin + src = create_tmpsrc(src, &b) + xsystem(command, *opts) + ensure + log_src(src) + MakeMakefile.rm_rf "#{CONFTEST}.dSYM" + end + end + + def link_command(ldflags, opt="", libpath=$LIBPATH|$DEFLIBPATH) + librubyarg = $extmk ? $LIBRUBYARG_STATIC : "$(LIBRUBYARG)" + conf = RbConfig::CONFIG.merge('hdrdir' => $hdrdir.quote, + 'src' => "#{CONFTEST_C}", + 'arch_hdrdir' => $arch_hdrdir.quote, + 'top_srcdir' => $top_srcdir.quote, + 'INCFLAGS' => "#$INCFLAGS", + 'CPPFLAGS' => "#$CPPFLAGS", + 'CFLAGS' => "#$CFLAGS", + 'ARCH_FLAG' => "#$ARCH_FLAG", + 'LDFLAGS' => "#$LDFLAGS #{ldflags}", + 'LOCAL_LIBS' => "#$LOCAL_LIBS #$libs", + 'LIBS' => "#{librubyarg} #{opt} #$LIBS") + conf['LIBPATH'] = libpathflag(libpath.map {|s| RbConfig::expand(s.dup, conf)}) + RbConfig::expand(TRY_LINK.dup, conf) + end + + def cc_command(opt="") + conf = RbConfig::CONFIG.merge('hdrdir' => $hdrdir.quote, 'srcdir' => $srcdir.quote, + 'arch_hdrdir' => $arch_hdrdir.quote, + 'top_srcdir' => $top_srcdir.quote) + RbConfig::expand("$(CC) #$INCFLAGS #$CPPFLAGS #$CFLAGS #$ARCH_FLAG #{opt} -c #{CONFTEST_C}", + conf) + end + + def cpp_command(outfile, opt="") + conf = RbConfig::CONFIG.merge('hdrdir' => $hdrdir.quote, 'srcdir' => $srcdir.quote, + 'arch_hdrdir' => $arch_hdrdir.quote, + 'top_srcdir' => $top_srcdir.quote) + if $universal and (arch_flag = conf['ARCH_FLAG']) and !arch_flag.empty? + conf['ARCH_FLAG'] = arch_flag.gsub(/(?:\G|\s)-arch\s+\S+/, '') + end + RbConfig::expand("$(CPP) #$INCFLAGS #$CPPFLAGS #$CFLAGS #{opt} #{CONFTEST_C} #{outfile}", + conf) + end + + def libpathflag(libpath=$LIBPATH|$DEFLIBPATH) + libpath.map{|x| + case x + when "$(topdir)", /\A\./ + LIBPATHFLAG + else + LIBPATHFLAG+RPATHFLAG + end % x.quote + }.join + end + + def with_werror(opt, opts = nil) + if opts + if opts[:werror] and config_string("WERRORFLAG") {|flag| opt = opt ? "#{opt} #{flag}" : flag} + (opts = opts.dup).delete(:werror) + end + yield(opt, opts) + else + yield(opt) + end + end + + def try_link0(src, opt="", *opts, &b) # :nodoc: + cmd = link_command("", opt) + if $universal + require 'tmpdir' + Dir.mktmpdir("mkmf_", oldtmpdir = ENV["TMPDIR"]) do |tmpdir| + begin + ENV["TMPDIR"] = tmpdir + try_do(src, cmd, *opts, &b) + ensure + ENV["TMPDIR"] = oldtmpdir + end + end + else + try_do(src, cmd, *opts, &b) + end and File.executable?(CONFTEST+$EXEEXT) + end + + # Returns whether or not the +src+ can be compiled as a C source and linked + # with its depending libraries successfully. +opt+ is passed to the linker + # as options. Note that +$CFLAGS+ and +$LDFLAGS+ are also passed to the + # linker. + # + # If a block given, it is called with the source before compilation. You can + # modify the source in the block. + # + # [+src+] a String which contains a C source + # [+opt+] a String which contains linker options + def try_link(src, opt="", *opts, &b) + try_link0(src, opt, *opts, &b) + ensure + MakeMakefile.rm_f "#{CONFTEST}*", "c0x32*" + end + + # Returns whether or not the +src+ can be compiled as a C source. +opt+ is + # passed to the C compiler as options. Note that +$CFLAGS+ is also passed to + # the compiler. + # + # If a block given, it is called with the source before compilation. You can + # modify the source in the block. + # + # [+src+] a String which contains a C source + # [+opt+] a String which contains compiler options + def try_compile(src, opt="", *opts, &b) + with_werror(opt, *opts) {|_opt, *_opts| try_do(src, cc_command(_opt), *_opts, &b)} and + File.file?("#{CONFTEST}.#{$OBJEXT}") + ensure + MakeMakefile.rm_f "#{CONFTEST}*" + end + + # Returns whether or not the +src+ can be preprocessed with the C + # preprocessor. +opt+ is passed to the preprocessor as options. Note that + # +$CFLAGS+ is also passed to the preprocessor. + # + # If a block given, it is called with the source before preprocessing. You + # can modify the source in the block. + # + # [+src+] a String which contains a C source + # [+opt+] a String which contains preprocessor options + def try_cpp(src, opt="", *opts, &b) + try_do(src, cpp_command(CPPOUTFILE, opt), *opts, &b) and + File.file?("#{CONFTEST}.i") + ensure + MakeMakefile.rm_f "#{CONFTEST}*" + end + + alias_method :try_header, (config_string('try_header') || :try_cpp) + + def cpp_include(header) + if header + header = [header] unless header.kind_of? Array + header.map {|h| String === h ? "#include <#{h}>\n" : h}.join + else + "" + end + end + + def with_cppflags(flags) + cppflags = $CPPFLAGS + $CPPFLAGS = flags + ret = yield + ensure + $CPPFLAGS = cppflags unless ret + end + + def try_cppflags(flags) + try_header(MAIN_DOES_NOTHING, flags) + end + + def with_cflags(flags) + cflags = $CFLAGS + $CFLAGS = flags + ret = yield + ensure + $CFLAGS = cflags unless ret + end + + def try_cflags(flags) + try_compile(MAIN_DOES_NOTHING, flags) + end + + def with_ldflags(flags) + ldflags = $LDFLAGS + $LDFLAGS = flags + ret = yield + ensure + $LDFLAGS = ldflags unless ret + end + + def try_ldflags(flags) + try_link(MAIN_DOES_NOTHING, flags) + end + + def try_static_assert(expr, headers = nil, opt = "", &b) + headers = cpp_include(headers) + try_compile(<<SRC, opt, &b) +#{headers} +/*top*/ +int conftest_const[(#{expr}) ? 1 : -1]; +SRC + end + + def try_constant(const, headers = nil, opt = "", &b) + includes = cpp_include(headers) + neg = try_static_assert("#{const} < 0", headers, opt) + if CROSS_COMPILING + if neg + const = "-(#{const})" + elsif try_static_assert("#{const} > 0", headers, opt) + # positive constant + elsif try_static_assert("#{const} == 0", headers, opt) + return 0 + else + # not a constant + return nil + end + upper = 1 + until try_static_assert("#{const} <= #{upper}", headers, opt) + lower = upper + upper <<= 1 + end + return nil unless lower + while upper > lower + 1 + mid = (upper + lower) / 2 + if try_static_assert("#{const} > #{mid}", headers, opt) + lower = mid + else + upper = mid + end + end + upper = -upper if neg + return upper + else + src = %{#{includes} +#include <stdio.h> +/*top*/ +typedef#{neg ? '' : ' unsigned'} +#ifdef PRI_LL_PREFIX +#define PRI_CONFTEST_PREFIX PRI_LL_PREFIX +LONG_LONG +#else +#define PRI_CONFTEST_PREFIX "l" +long +#endif +conftest_type; +conftest_type conftest_const = (conftest_type)(#{const}); +int main() {printf("%"PRI_CONFTEST_PREFIX"#{neg ? 'd' : 'u'}\\n", conftest_const); return 0;} +} + begin + if try_link0(src, opt, &b) + xpopen("./#{CONFTEST}") do |f| + return Integer(f.gets) + end + end + ensure + MakeMakefile.rm_f "#{CONFTEST}*" + end + end + nil + end + + # You should use +have_func+ rather than +try_func+. + # + # [+func+] a String which contains a symbol name + # [+libs+] a String which contains library names. + # [+headers+] a String or an Array of strings which contains names of header + # files. + def try_func(func, libs, headers = nil, opt = "", &b) + headers = cpp_include(headers) + case func + when /^&/ + decltype = proc {|x|"const volatile void *#{x}"} + when /\)$/ + call = func + else + call = "#{func}()" + decltype = proc {|x| "void ((*#{x})())"} + end + if opt and !opt.empty? + [[:to_str], [:join, " "], [:to_s]].each do |meth, *args| + if opt.respond_to?(meth) + break opt = opt.send(meth, *args) + end + end + opt = "#{opt} #{libs}" + else + opt = libs + end + decltype && try_link(<<"SRC", opt, &b) or +#{headers} +/*top*/ +extern int t(void); +#{MAIN_DOES_NOTHING 't'} +int t(void) { #{decltype["volatile p"]}; p = (#{decltype[]})#{func}; return 0; } +SRC + call && try_link(<<"SRC", opt, &b) +#{headers} +/*top*/ +extern int t(void); +#{MAIN_DOES_NOTHING 't'} +int t(void) { #{call}; return 0; } +SRC + end + + # You should use +have_var+ rather than +try_var+. + def try_var(var, headers = nil, opt = "", &b) + headers = cpp_include(headers) + try_compile(<<"SRC", opt, &b) +#{headers} +/*top*/ +extern int t(void); +#{MAIN_DOES_NOTHING 't'} +int t(void) { const volatile void *volatile p; p = &(&#{var})[0]; return 0; } +SRC + end + + # Returns whether or not the +src+ can be preprocessed with the C + # preprocessor and matches with +pat+. + # + # If a block given, it is called with the source before compilation. You can + # modify the source in the block. + # + # [+pat+] a Regexp or a String + # [+src+] a String which contains a C source + # [+opt+] a String which contains preprocessor options + # + # NOTE: When pat is a Regexp the matching will be checked in process, + # otherwise egrep(1) will be invoked to check it. + def egrep_cpp(pat, src, opt = "", &b) + src = create_tmpsrc(src, &b) + xpopen(cpp_command('', opt)) do |f| + if Regexp === pat + puts(" ruby -ne 'print if #{pat.inspect}'") + f.grep(pat) {|l| + puts "#{f.lineno}: #{l}" + return true + } + false + else + puts(" egrep '#{pat}'") + begin + stdin = $stdin.dup + $stdin.reopen(f) + system("egrep", pat) + ensure + $stdin.reopen(stdin) + end + end + end + ensure + MakeMakefile.rm_f "#{CONFTEST}*" + log_src(src) + end + + # This is used internally by the have_macro? method. + def macro_defined?(macro, src, opt = "", &b) + src = src.sub(/[^\n]\z/, "\\&\n") + try_compile(src + <<"SRC", opt, &b) +/*top*/ +#ifndef #{macro} +# error +|:/ === #{macro} undefined === /:| +#endif +SRC + end + + # Returns whether or not: + # * the +src+ can be compiled as a C source, + # * the result object can be linked with its depending libraries + # successfully, + # * the linked file can be invoked as an executable + # * and the executable exits successfully + # + # +opt+ is passed to the linker as options. Note that +$CFLAGS+ and + # +$LDFLAGS+ are also passed to the linker. + # + # If a block given, it is called with the source before compilation. You can + # modify the source in the block. + # + # [+src+] a String which contains a C source + # [+opt+] a String which contains linker options + # + # Returns true when the executable exits successfully, false when it fails, + # or nil when preprocessing, compilation or link fails. + def try_run(src, opt = "", &b) + raise "cannot run test program while cross compiling" if CROSS_COMPILING + if try_link0(src, opt, &b) + xsystem("./#{CONFTEST}") + else + nil + end + ensure + MakeMakefile.rm_f "#{CONFTEST}*" + end + + def install_files(mfile, ifiles, map = nil, srcprefix = nil) + ifiles or return + ifiles.empty? and return + srcprefix ||= "$(srcdir)/#{srcprefix}".chomp('/') + RbConfig::expand(srcdir = srcprefix.dup) + dirs = [] + path = Hash.new {|h, i| h[i] = dirs.push([i])[-1]} + ifiles.each do |files, dir, prefix| + dir = map_dir(dir, map) + prefix &&= %r|\A#{Regexp.quote(prefix)}/?| + if /\A\.\// =~ files + # install files which are in current working directory. + files = files[2..-1] + len = nil + else + # install files which are under the $(srcdir). + files = File.join(srcdir, files) + len = srcdir.size + end + f = nil + Dir.glob(files) do |fx| + f = fx + f[0..len] = "" if len + case File.basename(f) + when *$NONINSTALLFILES + next + end + d = File.dirname(f) + d.sub!(prefix, "") if prefix + d = (d.empty? || d == ".") ? dir : File.join(dir, d) + f = File.join(srcprefix, f) if len + path[d] << f + end + unless len or f + d = File.dirname(files) + d.sub!(prefix, "") if prefix + d = (d.empty? || d == ".") ? dir : File.join(dir, d) + path[d] << files + end + end + dirs + end + + def install_rb(mfile, dest, srcdir = nil) + install_files(mfile, [["lib/**/*.rb", dest, "lib"]], nil, srcdir) + end + + def append_library(libs, lib) # :no-doc: + format(LIBARG, lib) + " " + libs + end + + def message(*s) + unless Logging.quiet and not $VERBOSE + printf(*s) + $stdout.flush + end + end + + # This emits a string to stdout that allows users to see the results of the + # various have* and find* methods as they are tested. + # + # Internal use only. + # + def checking_for(m, fmt = nil) + f = caller[0][/in `([^<].*)'$/, 1] and f << ": " #` for vim #' + m = "checking #{/\Acheck/ =~ f ? '' : 'for '}#{m}... " + message "%s", m + a = r = nil + Logging::postpone do + r = yield + a = (fmt ? "#{fmt % r}" : r ? "yes" : "no") << "\n" + "#{f}#{m}-------------------- #{a}\n" + end + message(a) + Logging::message "--------------------\n\n" + r + end + + def checking_message(target, place = nil, opt = nil) + [["in", place], ["with", opt]].inject("#{target}") do |msg, (pre, noun)| + if noun + [[:to_str], [:join, ","], [:to_s]].each do |meth, *args| + if noun.respond_to?(meth) + break noun = noun.send(meth, *args) + end + end + msg << " #{pre} #{noun}" unless noun.empty? + end + msg + end + end + + # :startdoc: + + # Returns whether or not +macro+ is defined either in the common header + # files or within any +headers+ you provide. + # + # Any options you pass to +opt+ are passed along to the compiler. + # + def have_macro(macro, headers = nil, opt = "", &b) + checking_for checking_message(macro, headers, opt) do + macro_defined?(macro, cpp_include(headers), opt, &b) + end + end + + # Returns whether or not the given entry point +func+ can be found within + # +lib+. If +func+ is +nil+, the <code>main()</code> entry point is used by + # default. If found, it adds the library to list of libraries to be used + # when linking your extension. + # + # If +headers+ are provided, it will include those header files as the + # header files it looks in when searching for +func+. + # + # The real name of the library to be linked can be altered by + # <code>--with-FOOlib</code> configuration option. + # + def have_library(lib, func = nil, headers = nil, opt = "", &b) + func = "main" if !func or func.empty? + lib = with_config(lib+'lib', lib) + checking_for checking_message(func.funcall_style, LIBARG%lib, opt) do + if COMMON_LIBS.include?(lib) + true + else + libs = append_library($libs, lib) + if try_func(func, libs, headers, opt, &b) + $libs = libs + true + else + false + end + end + end + end + + # Returns whether or not the entry point +func+ can be found within the + # library +lib+ in one of the +paths+ specified, where +paths+ is an array + # of strings. If +func+ is +nil+ , then the <code>main()</code> function is + # used as the entry point. + # + # If +lib+ is found, then the path it was found on is added to the list of + # library paths searched and linked against. + # + def find_library(lib, func, *paths, &b) + func = "main" if !func or func.empty? + lib = with_config(lib+'lib', lib) + paths = paths.collect {|path| path.split(File::PATH_SEPARATOR)}.flatten + checking_for checking_message(func.funcall_style, LIBARG%lib) do + libpath = $LIBPATH + libs = append_library($libs, lib) + begin + until r = try_func(func, libs, &b) or paths.empty? + $LIBPATH = libpath | [paths.shift] + end + if r + $libs = libs + libpath = nil + end + ensure + $LIBPATH = libpath if libpath + end + r + end + end + + # Returns whether or not the function +func+ can be found in the common + # header files, or within any +headers+ that you provide. If found, a macro + # is passed as a preprocessor constant to the compiler using the function + # name, in uppercase, prepended with +HAVE_+. + # + # To check functions in an additional library, you need to check that + # library first using <code>have_library()</code>. The +func+ shall be + # either mere function name or function name with arguments. + # + # For example, if <code>have_func('foo')</code> returned +true+, then the + # +HAVE_FOO+ preprocessor macro would be passed to the compiler. + # + def have_func(func, headers = nil, opt = "", &b) + checking_for checking_message(func.funcall_style, headers, opt) do + if try_func(func, $libs, headers, opt, &b) + $defs << "-DHAVE_#{func.sans_arguments.tr_cpp}" + true + else + false + end + end + end + + # Returns whether or not the variable +var+ can be found in the common + # header files, or within any +headers+ that you provide. If found, a macro + # is passed as a preprocessor constant to the compiler using the variable + # name, in uppercase, prepended with +HAVE_+. + # + # To check variables in an additional library, you need to check that + # library first using <code>have_library()</code>. + # + # For example, if <code>have_var('foo')</code> returned true, then the + # +HAVE_FOO+ preprocessor macro would be passed to the compiler. + # + def have_var(var, headers = nil, opt = "", &b) + checking_for checking_message(var, headers, opt) do + if try_var(var, headers, opt, &b) + $defs.push(format("-DHAVE_%s", var.tr_cpp)) + true + else + false + end + end + end + + # Returns whether or not the given +header+ file can be found on your system. + # If found, a macro is passed as a preprocessor constant to the compiler + # using the header file name, in uppercase, prepended with +HAVE_+. + # + # For example, if <code>have_header('foo.h')</code> returned true, then the + # +HAVE_FOO_H+ preprocessor macro would be passed to the compiler. + # + def have_header(header, preheaders = nil, opt = "", &b) + checking_for header do + if try_header(cpp_include(preheaders)+cpp_include(header), opt, &b) + $defs.push(format("-DHAVE_%s", header.tr_cpp)) + true + else + false + end + end + end + + # Returns whether or not the given +framework+ can be found on your system. + # If found, a macro is passed as a preprocessor constant to the compiler + # using the framework name, in uppercase, prepended with +HAVE_FRAMEWORK_+. + # + # For example, if <code>have_framework('Ruby')</code> returned true, then + # the +HAVE_FRAMEWORK_RUBY+ preprocessor macro would be passed to the + # compiler. + # + # If +fw+ is a pair of the framework name and its header file name + # that header file is checked, instead of the normally used header + # file which is named same as the framework. + def have_framework(fw, &b) + if Array === fw + fw, header = *fw + else + header = "#{fw}.h" + end + checking_for fw do + src = cpp_include("#{fw}/#{header}") << "\n" "int main(void){return 0;}" + opt = " -framework #{fw}" + if try_link(src, opt, &b) or (objc = try_link(src, "-ObjC#{opt}", &b)) + $defs.push(format("-DHAVE_FRAMEWORK_%s", fw.tr_cpp)) + # TODO: non-worse way than this hack, to get rid of separating + # option and its argument. + $LDFLAGS << " -ObjC" if objc and /(\A|\s)-ObjC(\s|\z)/ !~ $LDFLAGS + $LIBS << opt + true + else + false + end + end + end + + # Instructs mkmf to search for the given +header+ in any of the +paths+ + # provided, and returns whether or not it was found in those paths. + # + # If the header is found then the path it was found on is added to the list + # of included directories that are sent to the compiler (via the + # <code>-I</code> switch). + # + def find_header(header, *paths) + message = checking_message(header, paths) + header = cpp_include(header) + checking_for message do + if try_header(header) + true + else + found = false + paths.each do |dir| + opt = "-I#{dir}".quote + if try_header(header, opt) + $INCFLAGS << " " << opt + found = true + break + end + end + found + end + end + end + + # Returns whether or not the struct of type +type+ contains +member+. If + # it does not, or the struct type can't be found, then false is returned. + # You may optionally specify additional +headers+ in which to look for the + # struct (in addition to the common header files). + # + # If found, a macro is passed as a preprocessor constant to the compiler + # using the type name and the member name, in uppercase, prepended with + # +HAVE_+. + # + # For example, if <code>have_struct_member('struct foo', 'bar')</code> + # returned true, then the +HAVE_STRUCT_FOO_BAR+ preprocessor macro would be + # passed to the compiler. + # + # +HAVE_ST_BAR+ is also defined for backward compatibility. + # + def have_struct_member(type, member, headers = nil, opt = "", &b) + checking_for checking_message("#{type}.#{member}", headers) do + if try_compile(<<"SRC", opt, &b) +#{cpp_include(headers)} +/*top*/ +int s = (char *)&((#{type}*)0)->#{member} - (char *)0; +#{MAIN_DOES_NOTHING} +SRC + $defs.push(format("-DHAVE_%s_%s", type.tr_cpp, member.tr_cpp)) + $defs.push(format("-DHAVE_ST_%s", member.tr_cpp)) # backward compatibility + true + else + false + end + end + end + + # Returns whether or not the static type +type+ is defined. + # + # See also +have_type+ + # + def try_type(type, headers = nil, opt = "", &b) + if try_compile(<<"SRC", opt, &b) +#{cpp_include(headers)} +/*top*/ +typedef #{type} conftest_type; +int conftestval[sizeof(conftest_type)?1:-1]; +SRC + $defs.push(format("-DHAVE_TYPE_%s", type.tr_cpp)) + true + else + false + end + end + + # Returns whether or not the static type +type+ is defined. You may + # optionally pass additional +headers+ to check against in addition to the + # common header files. + # + # You may also pass additional flags to +opt+ which are then passed along to + # the compiler. + # + # If found, a macro is passed as a preprocessor constant to the compiler + # using the type name, in uppercase, prepended with +HAVE_TYPE_+. + # + # For example, if <code>have_type('foo')</code> returned true, then the + # +HAVE_TYPE_FOO+ preprocessor macro would be passed to the compiler. + # + def have_type(type, headers = nil, opt = "", &b) + checking_for checking_message(type, headers, opt) do + try_type(type, headers, opt, &b) + end + end + + # Returns where the static type +type+ is defined. + # + # You may also pass additional flags to +opt+ which are then passed along to + # the compiler. + # + # See also +have_type+. + # + def find_type(type, opt, *headers, &b) + opt ||= "" + fmt = "not found" + def fmt.%(x) + x ? x.respond_to?(:join) ? x.join(",") : x : self + end + checking_for checking_message(type, nil, opt), fmt do + headers.find do |h| + try_type(type, h, opt, &b) + end + end + end + + # Returns whether or not the constant +const+ is defined. + # + # See also +have_const+ + # + def try_const(const, headers = nil, opt = "", &b) + const, type = *const + if try_compile(<<"SRC", opt, &b) +#{cpp_include(headers)} +/*top*/ +typedef #{type || 'int'} conftest_type; +conftest_type conftestval = #{type ? '' : '(int)'}#{const}; +SRC + $defs.push(format("-DHAVE_CONST_%s", const.tr_cpp)) + true + else + false + end + end + + # Returns whether or not the constant +const+ is defined. You may + # optionally pass the +type+ of +const+ as <code>[const, type]</code>, + # such as: + # + # have_const(%w[PTHREAD_MUTEX_INITIALIZER pthread_mutex_t], "pthread.h") + # + # You may also pass additional +headers+ to check against in addition to the + # common header files, and additional flags to +opt+ which are then passed + # along to the compiler. + # + # If found, a macro is passed as a preprocessor constant to the compiler + # using the type name, in uppercase, prepended with +HAVE_CONST_+. + # + # For example, if <code>have_const('foo')</code> returned true, then the + # +HAVE_CONST_FOO+ preprocessor macro would be passed to the compiler. + # + def have_const(const, headers = nil, opt = "", &b) + checking_for checking_message([*const].compact.join(' '), headers, opt) do + try_const(const, headers, opt, &b) + end + end + + # :stopdoc: + STRING_OR_FAILED_FORMAT = "%s" + def STRING_OR_FAILED_FORMAT.%(x) # :nodoc: + x ? super : "failed" + end + + def typedef_expr(type, headers) + typename, member = type.split('.', 2) + prelude = cpp_include(headers).split(/$/) + prelude << "typedef #{typename} rbcv_typedef_;\n" + return "rbcv_typedef_", member, prelude + end + + def try_signedness(type, member, headers = nil, opts = nil) + raise ArgumentError, "don't know how to tell signedness of members" if member + if try_static_assert("(#{type})-1 < 0", headers, opts) + return -1 + elsif try_static_assert("(#{type})-1 > 0", headers, opts) + return +1 + end + end + + # :startdoc: + + # Returns the size of the given +type+. You may optionally specify + # additional +headers+ to search in for the +type+. + # + # If found, a macro is passed as a preprocessor constant to the compiler + # using the type name, in uppercase, prepended with +SIZEOF_+, followed by + # the type name, followed by <code>=X</code> where "X" is the actual size. + # + # For example, if <code>check_sizeof('mystruct')</code> returned 12, then + # the <code>SIZEOF_MYSTRUCT=12</code> preprocessor macro would be passed to + # the compiler. + # + def check_sizeof(type, headers = nil, opts = "", &b) + typedef, member, prelude = typedef_expr(type, headers) + prelude << "static #{typedef} *rbcv_ptr_;\n" + prelude = [prelude] + expr = "sizeof((*rbcv_ptr_)#{"." << member if member})" + fmt = STRING_OR_FAILED_FORMAT + checking_for checking_message("size of #{type}", headers), fmt do + if size = try_constant(expr, prelude, opts, &b) + $defs.push(format("-DSIZEOF_%s=%s", type.tr_cpp, size)) + size + end + end + end + + # Returns the signedness of the given +type+. You may optionally specify + # additional +headers+ to search in for the +type+. + # + # If the +type+ is found and is a numeric type, a macro is passed as a + # preprocessor constant to the compiler using the +type+ name, in uppercase, + # prepended with +SIGNEDNESS_OF_+, followed by the +type+ name, followed by + # <code>=X</code> where "X" is positive integer if the +type+ is unsigned + # and a negative integer if the +type+ is signed. + # + # For example, if +size_t+ is defined as unsigned, then + # <code>check_signedness('size_t')</code> would return +1 and the + # <code>SIGNEDNESS_OF_SIZE_T=+1</code> preprocessor macro would be passed to + # the compiler. The <code>SIGNEDNESS_OF_INT=-1</code> macro would be set + # for <code>check_signedness('int')</code> + # + def check_signedness(type, headers = nil, opts = nil, &b) + typedef, member, prelude = typedef_expr(type, headers) + signed = nil + checking_for("signedness of #{type}", STRING_OR_FAILED_FORMAT) do + signed = try_signedness(typedef, member, [prelude], opts, &b) or next nil + $defs.push("-DSIGNEDNESS_OF_%s=%+d" % [type.tr_cpp, signed]) + signed < 0 ? "signed" : "unsigned" + end + signed + end + + # Returns the convertible integer type of the given +type+. You may + # optionally specify additional +headers+ to search in for the +type+. + # _convertible_ means actually the same type, or typedef'd from the same + # type. + # + # If the +type+ is a integer type and the _convertible_ type is found, + # the following macros are passed as preprocessor constants to the compiler + # using the +type+ name, in uppercase. + # + # * +TYPEOF_+, followed by the +type+ name, followed by <code>=X</code> + # where "X" is the found _convertible_ type name. + # * +TYP2NUM+ and +NUM2TYP+, + # where +TYP+ is the +type+ name in uppercase with replacing an +_t+ + # suffix with "T", followed by <code>=X</code> where "X" is the macro name + # to convert +type+ to an Integer object, and vice versa. + # + # For example, if +foobar_t+ is defined as unsigned long, then + # <code>convertible_int("foobar_t")</code> would return "unsigned long", and + # define these macros: + # + # #define TYPEOF_FOOBAR_T unsigned long + # #define FOOBART2NUM ULONG2NUM + # #define NUM2FOOBART NUM2ULONG + # + def convertible_int(type, headers = nil, opts = nil, &b) + type, macname = *type + checking_for("convertible type of #{type}", STRING_OR_FAILED_FORMAT) do + if UNIVERSAL_INTS.include?(type) + type + else + typedef, member, prelude = typedef_expr(type, headers, &b) + if member + prelude << "static rbcv_typedef_ rbcv_var;" + compat = UNIVERSAL_INTS.find {|t| + try_static_assert("sizeof(rbcv_var.#{member}) == sizeof(#{t})", [prelude], opts, &b) + } + else + next unless signed = try_signedness(typedef, member, [prelude]) + u = "unsigned " if signed > 0 + prelude << "extern rbcv_typedef_ foo();" + compat = UNIVERSAL_INTS.find {|t| + try_compile([prelude, "extern #{u}#{t} foo();"].join("\n"), opts, :werror=>true, &b) + } + end + if compat + macname ||= type.sub(/_(?=t\z)/, '').tr_cpp + conv = (compat == "long long" ? "LL" : compat.upcase) + compat = "#{u}#{compat}" + typename = type.tr_cpp + $defs.push(format("-DSIZEOF_%s=SIZEOF_%s", typename, compat.tr_cpp)) + $defs.push(format("-DTYPEOF_%s=%s", typename, compat.quote)) + $defs.push(format("-DPRI_%s_PREFIX=PRI_%s_PREFIX", macname, conv)) + conv = (u ? "U" : "") + conv + $defs.push(format("-D%s2NUM=%s2NUM", macname, conv)) + $defs.push(format("-DNUM2%s=NUM2%s", macname, conv)) + compat + end + end + end + end + # :stopdoc: + + # Used internally by the what_type? method to determine if +type+ is a scalar + # pointer. + def scalar_ptr_type?(type, member = nil, headers = nil, &b) + try_compile(<<"SRC", &b) # pointer +#{cpp_include(headers)} +/*top*/ +volatile #{type} conftestval; +extern int t(void); +#{MAIN_DOES_NOTHING 't'} +int t(void) {return (int)(1-*(conftestval#{member ? ".#{member}" : ""}));} +SRC + end + + # Used internally by the what_type? method to determine if +type+ is a scalar + # pointer. + def scalar_type?(type, member = nil, headers = nil, &b) + try_compile(<<"SRC", &b) # pointer +#{cpp_include(headers)} +/*top*/ +volatile #{type} conftestval; +extern int t(void); +#{MAIN_DOES_NOTHING 't'} +int t(void) {return (int)(1-(conftestval#{member ? ".#{member}" : ""}));} +SRC + end + + # Used internally by the what_type? method to check if the _typeof_ GCC + # extension is available. + def have_typeof? + return $typeof if defined?($typeof) + $typeof = %w[__typeof__ typeof].find do |t| + try_compile(<<SRC) +int rbcv_foo; +#{t}(rbcv_foo) rbcv_bar; +SRC + end + end + + def what_type?(type, member = nil, headers = nil, &b) + m = "#{type}" + var = val = "*rbcv_var_" + func = "rbcv_func_(void)" + if member + m << "." << member + else + type, member = type.split('.', 2) + end + if member + val = "(#{var}).#{member}" + end + prelude = [cpp_include(headers).split(/^/)] + prelude << ["typedef #{type} rbcv_typedef_;\n", + "extern rbcv_typedef_ *#{func};\n", + "static rbcv_typedef_ #{var};\n", + ] + type = "rbcv_typedef_" + fmt = member && !(typeof = have_typeof?) ? "seems %s" : "%s" + if typeof + var = "*rbcv_member_" + func = "rbcv_mem_func_(void)" + member = nil + type = "rbcv_mem_typedef_" + prelude[-1] << "typedef #{typeof}(#{val}) #{type};\n" + prelude[-1] << "extern #{type} *#{func};\n" + prelude[-1] << "static #{type} #{var};\n" + val = var + end + def fmt.%(x) + x ? super : "unknown" + end + checking_for checking_message(m, headers), fmt do + if scalar_ptr_type?(type, member, prelude, &b) + if try_static_assert("sizeof(*#{var}) == 1", prelude) + return "string" + end + ptr = "*" + elsif scalar_type?(type, member, prelude, &b) + unless member and !typeof or try_static_assert("(#{type})-1 < 0", prelude) + unsigned = "unsigned" + end + ptr = "" + else + next + end + type = UNIVERSAL_INTS.find do |t| + pre = prelude + unless member + pre += [["static #{unsigned} #{t} #{ptr}#{var};\n", + "extern #{unsigned} #{t} #{ptr}*#{func};\n"]] + end + try_static_assert("sizeof(#{ptr}#{val}) == sizeof(#{unsigned} #{t})", pre) + end + type or next + [unsigned, type, ptr].join(" ").strip + end + end + + # This method is used internally by the find_executable method. + # + # Internal use only. + # + def find_executable0(bin, path = nil) + executable_file = proc do |name| + begin + stat = File.stat(name) + rescue SystemCallError + else + next name if stat.file? and stat.executable? + end + end + + exts = config_string('EXECUTABLE_EXTS') {|s| s.split} || config_string('EXEEXT') {|s| [s]} + if File.expand_path(bin) == bin + return bin if executable_file.call(bin) + if exts + exts.each {|ext| executable_file.call(file = bin + ext) and return file} + end + return nil + end + if path ||= ENV['PATH'] + path = path.split(File::PATH_SEPARATOR) + else + path = %w[/usr/local/bin /usr/ucb /usr/bin /bin] + end + file = nil + path.each do |dir| + return file if executable_file.call(file = File.join(dir, bin)) + if exts + exts.each {|ext| executable_file.call(ext = file + ext) and return ext} + end + end + nil + end + + # :startdoc: + + # Searches for the executable +bin+ on +path+. The default path is your + # +PATH+ environment variable. If that isn't defined, it will resort to + # searching /usr/local/bin, /usr/ucb, /usr/bin and /bin. + # + # If found, it will return the full path, including the executable name, of + # where it was found. + # + # Note that this method does not actually affect the generated Makefile. + # + def find_executable(bin, path = nil) + checking_for checking_message(bin, path) do + find_executable0(bin, path) + end + end + + # :stopdoc: + + def arg_config(config, default=nil, &block) + $arg_config << [config, default] + defaults = [] + if default + defaults << default + elsif !block + defaults << nil + end + $configure_args.fetch(config.tr('_', '-'), *defaults, &block) + end + + # :startdoc: + + # Tests for the presence of a <tt>--with-</tt>_config_ or + # <tt>--without-</tt>_config_ option. Returns +true+ if the with option is + # given, +false+ if the without option is given, and the default value + # otherwise. + # + # This can be useful for adding custom definitions, such as debug + # information. + # + # Example: + # + # if with_config("debug") + # $defs.push("-DOSSL_DEBUG") unless $defs.include? "-DOSSL_DEBUG" + # end + # + def with_config(config, default=nil) + config = config.sub(/^--with[-_]/, '') + val = arg_config("--with-"+config) do + if arg_config("--without-"+config) + false + elsif block_given? + yield(config, default) + else + break default + end + end + case val + when "yes" + true + when "no" + false + else + val + end + end + + # Tests for the presence of an <tt>--enable-</tt>_config_ or + # <tt>--disable-</tt>_config_ option. Returns +true+ if the enable option is + # given, +false+ if the disable option is given, and the default value + # otherwise. + # + # This can be useful for adding custom definitions, such as debug + # information. + # + # Example: + # + # if enable_config("debug") + # $defs.push("-DOSSL_DEBUG") unless $defs.include? "-DOSSL_DEBUG" + # end + # + def enable_config(config, default=nil) + if arg_config("--enable-"+config) + true + elsif arg_config("--disable-"+config) + false + elsif block_given? + yield(config, default) + else + return default + end + end + + # Generates a header file consisting of the various macro definitions + # generated by other methods such as have_func and have_header. These are + # then wrapped in a custom <code>#ifndef</code> based on the +header+ file + # name, which defaults to "extconf.h". + # + # For example: + # + # # extconf.rb + # require 'mkmf' + # have_func('realpath') + # have_header('sys/utime.h') + # create_header + # create_makefile('foo') + # + # The above script would generate the following extconf.h file: + # + # #ifndef EXTCONF_H + # #define EXTCONF_H + # #define HAVE_REALPATH 1 + # #define HAVE_SYS_UTIME_H 1 + # #endif + # + # Given that the create_header method generates a file based on definitions + # set earlier in your extconf.rb file, you will probably want to make this + # one of the last methods you call in your script. + # + def create_header(header = "extconf.h") + message "creating %s\n", header + sym = header.tr_cpp + hdr = ["#ifndef #{sym}\n#define #{sym}\n"] + for line in $defs + case line + when /^-D([^=]+)(?:=(.*))?/ + hdr << "#define #$1 #{$2 ? Shellwords.shellwords($2)[0].gsub(/(?=\t+)/, "\\\n") : 1}\n" + when /^-U(.*)/ + hdr << "#undef #$1\n" + end + end + hdr << "#endif\n" + hdr = hdr.join("") + log_src(hdr, "#{header} is") + unless (IO.read(header) == hdr rescue false) + open(header, "wb") do |hfile| + hfile.write(hdr) + end + end + $extconf_h = header + end + + # call-seq: + # dir_config(target) + # dir_config(target, prefix) + # dir_config(target, idefault, ldefault) + # + # Sets a +target+ name that the user can then use to configure + # various "with" options with on the command line by using that + # name. For example, if the target is set to "foo", then the user + # could use the <code>--with-foo-dir=prefix</code>, + # <code>--with-foo-include=dir</code> and + # <code>--with-foo-lib=dir</code> command line options to tell where + # to search for header/library files. + # + # You may pass along additional parameters to specify default + # values. If one is given it is taken as default +prefix+, and if + # two are given they are taken as "include" and "lib" defaults in + # that order. + # + # In any case, the return value will be an array of determined + # "include" and "lib" directories, either of which can be nil if no + # corresponding command line option is given when no default value + # is specified. + # + # Note that dir_config only adds to the list of places to search for + # libraries and include files. It does not link the libraries into your + # application. + # + def dir_config(target, idefault=nil, ldefault=nil) + if dir = with_config(target + "-dir", (idefault unless ldefault)) + defaults = Array === dir ? dir : dir.split(File::PATH_SEPARATOR) + idefault = ldefault = nil + end + + idir = with_config(target + "-include", idefault) + $arg_config.last[1] ||= "${#{target}-dir}/include" + ldir = with_config(target + "-lib", ldefault) + $arg_config.last[1] ||= "${#{target}-dir}/#{_libdir_basename}" + + idirs = idir ? Array === idir ? idir.dup : idir.split(File::PATH_SEPARATOR) : [] + if defaults + idirs.concat(defaults.collect {|d| d + "/include"}) + idir = ([idir] + idirs).compact.join(File::PATH_SEPARATOR) + end + unless idirs.empty? + idirs.collect! {|d| "-I" + d} + idirs -= Shellwords.shellwords($CPPFLAGS) + unless idirs.empty? + $CPPFLAGS = (idirs.quote << $CPPFLAGS).join(" ") + end + end + + ldirs = ldir ? Array === ldir ? ldir.dup : ldir.split(File::PATH_SEPARATOR) : [] + if defaults + ldirs.concat(defaults.collect {|d| "#{d}/#{_libdir_basename}"}) + ldir = ([ldir] + ldirs).compact.join(File::PATH_SEPARATOR) + end + $LIBPATH = ldirs | $LIBPATH + + [idir, ldir] + end + + # Returns compile/link information about an installed library in a + # tuple of <code>[cflags, ldflags, libs]</code>, by using the + # command found first in the following commands: + # + # 1. If <code>--with-{pkg}-config={command}</code> is given via + # command line option: <code>{command} {option}</code> + # + # 2. <code>{pkg}-config {option}</code> + # + # 3. <code>pkg-config {option} {pkg}</code> + # + # Where {option} is, for instance, <code>--cflags</code>. + # + # The values obtained are appended to +$CFLAGS+, +$LDFLAGS+ and + # +$libs+. + # + # If an <code>option</code> argument is given, the config command is + # invoked with the option and a stripped output string is returned + # without modifying any of the global values mentioned above. + def pkg_config(pkg, option=nil) + if pkgconfig = with_config("#{pkg}-config") and find_executable0(pkgconfig) + # iff package specific config command is given + elsif ($PKGCONFIG ||= + (pkgconfig = with_config("pkg-config", ("pkg-config" unless CROSS_COMPILING))) && + find_executable0(pkgconfig) && pkgconfig) and + system("#{$PKGCONFIG} --exists #{pkg}") + # default to pkg-config command + pkgconfig = $PKGCONFIG + get = proc {|opt| + opt = IO.popen("#{$PKGCONFIG} --#{opt} #{pkg}", err:[:child, :out], &:read) + opt.strip if $?.success? + } + elsif find_executable0(pkgconfig = "#{pkg}-config") + # default to package specific config command, as a last resort. + else + pkgconfig = nil + end + if pkgconfig + get ||= proc {|opt| + opt = IO.popen("#{pkgconfig} --#{opt}", err:[:child, :out], &:read) + opt.strip if $?.success? + } + end + orig_ldflags = $LDFLAGS + if get and option + get[option] + elsif get and try_ldflags(ldflags = get['libs']) + if incflags = get['cflags-only-I'] + $INCFLAGS << " " << incflags + cflags = get['cflags-only-other'] + else + cflags = get['cflags'] + end + libs = get['libs-only-l'] + if cflags + $CFLAGS += " " << cflags + $CXXFLAGS += " " << cflags + end + if libs + ldflags = (Shellwords.shellwords(ldflags) - Shellwords.shellwords(libs)).quote.join(" ") + else + libs, ldflags = Shellwords.shellwords(ldflags).partition {|s| s =~ /-l([^ ]+)/ }.map {|l|l.quote.join(" ")} + end + $libs += " " << libs + + $LDFLAGS = [orig_ldflags, ldflags].join(' ') + Logging::message "package configuration for %s\n", pkg + Logging::message "cflags: %s\nldflags: %s\nlibs: %s\n\n", + cflags, ldflags, libs + [cflags, ldflags, libs] + else + Logging::message "package configuration for %s is not found\n", pkg + nil + end + end + + # :stopdoc: + + def with_destdir(dir) + dir = dir.sub($dest_prefix_pattern, '') + /\A\$[\(\{]/ =~ dir ? dir : "$(DESTDIR)"+dir + end + + # Converts forward slashes to backslashes. Aimed at MS Windows. + # + # Internal use only. + # + def winsep(s) + s.tr('/', '\\') + end + + # Converts native path to format acceptable in Makefile + # + # Internal use only. + # + if !CROSS_COMPILING + case CONFIG['build_os'] + when 'mingw32' + def mkintpath(path) + # mingw uses make from msys and it needs special care + # converts from C:\some\path to /C/some/path + path = path.dup + path.tr!('\\', '/') + path.sub!(/\A([A-Za-z]):(?=\/)/, '/\1') + path + end + when 'cygwin' + if CONFIG['target_os'] != 'cygwin' + def mkintpath(path) + IO.popen(["cygpath", "-u", path], &:read).chomp + end + end + end + end + unless method_defined?(:mkintpath) + def mkintpath(path) + path + end + end + + def configuration(srcdir) + mk = [] + vpath = $VPATH.dup + CONFIG["hdrdir"] ||= $hdrdir + mk << %{ +SHELL = /bin/sh + +# V=0 quiet, V=1 verbose. other values don't work. +V = 0 +Q1 = $(V:1=) +Q = $(Q1:0=@) +ECHO1 = $(V:1=@#{CONFIG['NULLCMD']}) +ECHO = $(ECHO1:0=@echo) +NULLCMD = #{CONFIG['NULLCMD']} + +#### Start of system configuration section. #### +#{"top_srcdir = " + $top_srcdir.sub(%r"\A#{Regexp.quote($topdir)}/", "$(topdir)/") if $extmk} +srcdir = #{srcdir.gsub(/\$\((srcdir)\)|\$\{(srcdir)\}/) {mkintpath(CONFIG[$1||$2]).unspace}} +topdir = #{mkintpath(topdir = $extmk ? CONFIG["topdir"] : $topdir).unspace} +hdrdir = #{(hdrdir = CONFIG["hdrdir"]) == topdir ? "$(topdir)" : mkintpath(hdrdir).unspace} +arch_hdrdir = #{$arch_hdrdir.quote} +PATH_SEPARATOR = #{CONFIG['PATH_SEPARATOR']} +VPATH = #{vpath.join(CONFIG['PATH_SEPARATOR'])} +} + if $extmk + mk << "RUBYLIB =\n""RUBYOPT = -\n" + end + prefix = mkintpath(CONFIG["prefix"]) + if destdir = prefix[$dest_prefix_pattern, 1] + mk << "\nDESTDIR = #{destdir}\n" + prefix = prefix[destdir.size..-1] + end + mk << "prefix = #{with_destdir(prefix).unspace}\n" + CONFIG.each do |key, var| + mk << "#{key} = #{with_destdir(mkintpath(var)).unspace}\n" if /.prefix$/ =~ key + end + CONFIG.each do |key, var| + next if /^abs_/ =~ key + next if /^(?:src|top|hdr)dir$/ =~ key + next unless /dir$/ =~ key + mk << "#{key} = #{with_destdir(var)}\n" + end + if !$extmk and !$configure_args.has_key?('--ruby') and + sep = config_string('BUILD_FILE_SEPARATOR') + sep = ":/=#{sep}" + else + sep = "" + end + possible_command = (proc {|s| s if /top_srcdir/ !~ s} unless $extmk) + extconf_h = $extconf_h ? "-DRUBY_EXTCONF_H=\\\"$(RUBY_EXTCONF_H)\\\" " : $defs.join(" ") << " " + headers = %w[ + $(hdrdir)/ruby.h + $(hdrdir)/ruby/ruby.h + $(hdrdir)/ruby/defines.h + $(hdrdir)/ruby/missing.h + $(hdrdir)/ruby/intern.h + $(hdrdir)/ruby/st.h + $(hdrdir)/ruby/subst.h + ] + if RULE_SUBST + headers.each {|h| h.sub!(/.*/, &RULE_SUBST.method(:%))} + end + headers << $config_h + headers << '$(RUBY_EXTCONF_H)' if $extconf_h + mk << %{ + +CC = #{CONFIG['CC']} +CXX = #{CONFIG['CXX']} +LIBRUBY = #{CONFIG['LIBRUBY']} +LIBRUBY_A = #{CONFIG['LIBRUBY_A']} +LIBRUBYARG_SHARED = #$LIBRUBYARG_SHARED +LIBRUBYARG_STATIC = #$LIBRUBYARG_STATIC +empty = +OUTFLAG = #{OUTFLAG}$(empty) +COUTFLAG = #{COUTFLAG}$(empty) + +RUBY_EXTCONF_H = #{$extconf_h} +cflags = #{CONFIG['cflags']} +optflags = #{CONFIG['optflags']} +debugflags = #{CONFIG['debugflags']} +warnflags = #{$warnflags} +CCDLFLAGS = #{$static ? '' : CONFIG['CCDLFLAGS']} +CFLAGS = $(CCDLFLAGS) #$CFLAGS $(ARCH_FLAG) +INCFLAGS = -I. #$INCFLAGS +DEFS = #{CONFIG['DEFS']} +CPPFLAGS = #{extconf_h}#{$CPPFLAGS} +CXXFLAGS = $(CCDLFLAGS) #$CXXFLAGS $(ARCH_FLAG) +ldflags = #{$LDFLAGS} +dldflags = #{$DLDFLAGS} #{CONFIG['EXTDLDFLAGS']} +ARCH_FLAG = #{$ARCH_FLAG} +DLDFLAGS = $(ldflags) $(dldflags) $(ARCH_FLAG) +LDSHARED = #{CONFIG['LDSHARED']} +LDSHAREDXX = #{config_string('LDSHAREDXX') || '$(LDSHARED)'} +AR = #{CONFIG['AR']} +EXEEXT = #{CONFIG['EXEEXT']} + +} + CONFIG.each do |key, val| + mk << "#{key} = #{val}\n" if /^RUBY.*NAME/ =~ key + end + mk << %{ +arch = #{CONFIG['arch']} +sitearch = #{CONFIG['sitearch']} +ruby_version = #{RbConfig::CONFIG['ruby_version']} +ruby = #{$ruby.sub(%r[\A#{Regexp.quote(RbConfig::CONFIG['bindir'])}(?=/|\z)]) {'$(bindir)'}} +RUBY = $(ruby#{sep}) +ruby_headers = #{headers.join(' ')} + +RM = #{config_string('RM', &possible_command) || '$(RUBY) -run -e rm -- -f'} +RM_RF = #{'$(RUBY) -run -e rm -- -rf'} +RMDIRS = #{config_string('RMDIRS', &possible_command) || '$(RUBY) -run -e rmdir -- -p'} +MAKEDIRS = #{config_string('MAKEDIRS', &possible_command) || '@$(RUBY) -run -e mkdir -- -p'} +INSTALL = #{config_string('INSTALL', &possible_command) || '@$(RUBY) -run -e install -- -vp'} +INSTALL_PROG = #{config_string('INSTALL_PROG') || '$(INSTALL) -m 0755'} +INSTALL_DATA = #{config_string('INSTALL_DATA') || '$(INSTALL) -m 0644'} +COPY = #{config_string('CP', &possible_command) || '@$(RUBY) -run -e cp -- -v'} +TOUCH = exit > + +#### End of system configuration section. #### + +preload = #{defined?($preload) && $preload ? $preload.join(' ') : ''} +} + if $nmake == ?b + mk.each do |x| + x.gsub!(/^(MAKEDIRS|INSTALL_(?:PROG|DATA))+\s*=.*\n/) do + "!ifndef " + $1 + "\n" + + $& + + "!endif\n" + end + end + end + mk + end + + def timestamp_file(name, target_prefix = nil) + if target_prefix + pat = [] + install_dirs.each do |n, d| + pat << n if /\$\(target_prefix\)\z/ =~ d + end + name = name.gsub(/\$\((#{pat.join("|")})\)/) {$&+target_prefix} + end + name = name.gsub(/(\$[({]|[})])|(\/+)|[^-.\w]+/) {$1 ? "" : $2 ? ".-." : "_"} + "$(TIMESTAMP_DIR)/.#{name}.time" + end + # :startdoc: + + # creates a stub Makefile. + # + def dummy_makefile(srcdir) + configuration(srcdir) << <<RULES << CLEANINGS +CLEANFILES = #{$cleanfiles.join(' ')} +DISTCLEANFILES = #{$distcleanfiles.join(' ')} + +all install static install-so install-rb: Makefile +.PHONY: all install static install-so install-rb +.PHONY: clean clean-so clean-static clean-rb + +RULES + end + + def each_compile_rules # :nodoc: + vpath_splat = /\$\(\*VPATH\*\)/ + COMPILE_RULES.each do |rule| + if vpath_splat =~ rule + $VPATH.each do |path| + yield rule.sub(vpath_splat) {path} + end + else + yield rule + end + end + end + + # Processes the data contents of the "depend" file. Each line of this file + # is expected to be a file name. + # + # Returns the output of findings, in Makefile format. + # + def depend_rules(depend) + suffixes = [] + depout = [] + cont = implicit = nil + impconv = proc do + each_compile_rules {|rule| depout << (rule % implicit[0]) << implicit[1]} + implicit = nil + end + ruleconv = proc do |line| + if implicit + if /\A\t/ =~ line + implicit[1] << line + next + else + impconv[] + end + end + if m = /\A\.(\w+)\.(\w+)(?:\s*:)/.match(line) + suffixes << m[1] << m[2] + implicit = [[m[1], m[2]], [m.post_match]] + next + elsif RULE_SUBST and /\A(?!\s*\w+\s*=)[$\w][^#]*:/ =~ line + line.sub!(/\s*\#.*$/, '') + comment = $& + line.gsub!(%r"(\s)(?!\.)([^$(){}+=:\s\\,]+)(?=\s|\z)") {$1 + RULE_SUBST % $2} + line = line.chomp + comment + "\n" if comment + end + depout << line + end + depend.each_line do |line| + line.gsub!(/\.o\b/, ".#{$OBJEXT}") + line.gsub!(/\{\$\(VPATH\)\}/, "") unless $nmake + line.gsub!(/\$\((?:hdr|top)dir\)\/config.h/, $config_h) + line.gsub!(%r"\$\(hdrdir\)/(?!ruby(?![^:;/\s]))(?=[-\w]+\.h)", '\&ruby/') + if $nmake && /\A\s*\$\(RM|COPY\)/ =~ line + line.gsub!(%r"[-\w\./]{2,}"){$&.tr("/", "\\")} + line.gsub!(/(\$\((?!RM|COPY)[^:)]+)(?=\))/, '\1:/=\\') + end + if /(?:^|[^\\])(?:\\\\)*\\$/ =~ line + (cont ||= []) << line + next + elsif cont + line = (cont << line).join + cont = nil + end + ruleconv.call(line) + end + if cont + ruleconv.call(cont.join) + elsif implicit + impconv.call + end + unless suffixes.empty? + depout.unshift(".SUFFIXES: ." + suffixes.uniq.join(" .") + "\n\n") + end + depout.unshift("$(OBJS): $(RUBY_EXTCONF_H)\n\n") if $extconf_h + depout.flatten! + depout + end + + # Generates the Makefile for your extension, passing along any options and + # preprocessor constants that you may have generated through other methods. + # + # The +target+ name should correspond the name of the global function name + # defined within your C extension, minus the +Init_+. For example, if your + # C extension is defined as +Init_foo+, then your target would simply be + # "foo". + # + # If any "/" characters are present in the target name, only the last name + # is interpreted as the target name, and the rest are considered toplevel + # directory names, and the generated Makefile will be altered accordingly to + # follow that directory structure. + # + # For example, if you pass "test/foo" as a target name, your extension will + # be installed under the "test" directory. This means that in order to + # load the file within a Ruby program later, that directory structure will + # have to be followed, e.g. <code>require 'test/foo'</code>. + # + # The +srcprefix+ should be used when your source files are not in the same + # directory as your build script. This will not only eliminate the need for + # you to manually copy the source files into the same directory as your + # build script, but it also sets the proper +target_prefix+ in the generated + # Makefile. + # + # Setting the +target_prefix+ will, in turn, install the generated binary in + # a directory under your <code>RbConfig::CONFIG['sitearchdir']</code> that + # mimics your local filesystem when you run <code>make install</code>. + # + # For example, given the following file tree: + # + # ext/ + # extconf.rb + # test/ + # foo.c + # + # And given the following code: + # + # create_makefile('test/foo', 'test') + # + # That will set the +target_prefix+ in the generated Makefile to "test". + # That, in turn, will create the following file tree when installed via the + # <code>make install</code> command: + # + # /path/to/ruby/sitearchdir/test/foo.so + # + # It is recommended that you use this approach to generate your makefiles, + # instead of copying files around manually, because some third party + # libraries may depend on the +target_prefix+ being set properly. + # + # The +srcprefix+ argument can be used to override the default source + # directory, i.e. the current directory. It is included as part of the + # +VPATH+ and added to the list of +INCFLAGS+. + # + def create_makefile(target, srcprefix = nil) + $target = target + libpath = $LIBPATH|$DEFLIBPATH + message "creating Makefile\n" + MakeMakefile.rm_f "#{CONFTEST}*" + if CONFIG["DLEXT"] == $OBJEXT + for lib in libs = $libs.split + lib.sub!(/-l(.*)/, %%"lib\\1.#{$LIBEXT}"%) + end + $defs.push(format("-DEXTLIB='%s'", libs.join(","))) + end + + if target.include?('/') + target_prefix, target = File.split(target) + target_prefix[0,0] = '/' + else + target_prefix = "" + end + + srcprefix ||= "$(srcdir)/#{srcprefix}".chomp('/') + RbConfig.expand(srcdir = srcprefix.dup) + + ext = ".#{$OBJEXT}" + orig_srcs = Dir[File.join(srcdir, "*.{#{SRC_EXT.join(%q{,})}}")] + if not $objs + srcs = $srcs || orig_srcs + objs = srcs.inject(Hash.new {[]}) {|h, f| h[File.basename(f, ".*") << ext] <<= f; h} + $objs = objs.keys + unless objs.delete_if {|b, f| f.size == 1}.empty? + dups = objs.sort.map {|b, f| + "#{b[/.*\./]}{#{f.collect {|n| n[/([^.]+)\z/]}.join(',')}}" + } + abort "source files duplication - #{dups.join(", ")}" + end + else + $objs.collect! {|o| File.basename(o, ".*") << ext} unless $OBJEXT == "o" + srcs = $srcs || $objs.collect {|o| o.chomp(ext) << ".c"} + end + $srcs = srcs + + hdrs = Dir[File.join(srcdir, "*.{#{HDR_EXT.join(%q{,})}}")] + + target = nil if $objs.empty? + + if target and EXPORT_PREFIX + if File.exist?(File.join(srcdir, target + '.def')) + deffile = "$(srcdir)/$(TARGET).def" + unless EXPORT_PREFIX.empty? + makedef = %{-pe "$_.sub!(/^(?=\\w)/,'#{EXPORT_PREFIX}') unless 1../^EXPORTS$/i"} + end + else + makedef = %{-e "puts 'EXPORTS', '$(TARGET_ENTRY)'"} + end + if makedef + $cleanfiles << '$(DEFFILE)' + origdef = deffile + deffile = "$(TARGET)-$(arch).def" + end + end + origdef ||= '' + + if $extout and $INSTALLFILES + $cleanfiles.concat($INSTALLFILES.collect {|files, dir|File.join(dir, files.sub(/\A\.\//, ''))}) + $distcleandirs.concat($INSTALLFILES.collect {|files, dir| dir}) + end + + if $extmk and $static + $defs << "-DRUBY_EXPORT=1" + end + + if $extmk and not $extconf_h + create_header + end + + libpath = libpathflag(libpath) + + dllib = target ? "$(TARGET).#{CONFIG['DLEXT']}" : "" + staticlib = target ? "$(TARGET).#$LIBEXT" : "" + mfile = open("Makefile", "wb") + conf = configuration(srcprefix) + conf = yield(conf) if block_given? + mfile.puts(conf) + mfile.print " +libpath = #{($LIBPATH|$DEFLIBPATH).join(" ")} +LIBPATH = #{libpath} +DEFFILE = #{deffile} + +CLEANFILES = #{$cleanfiles.join(' ')} +DISTCLEANFILES = #{$distcleanfiles.join(' ')} +DISTCLEANDIRS = #{$distcleandirs.join(' ')} + +extout = #{$extout && $extout.quote} +extout_prefix = #{$extout_prefix} +target_prefix = #{target_prefix} +LOCAL_LIBS = #{$LOCAL_LIBS} +LIBS = #{$LIBRUBYARG} #{$libs} #{$LIBS} +ORIG_SRCS = #{orig_srcs.collect(&File.method(:basename)).join(' ')} +SRCS = $(ORIG_SRCS) #{(srcs - orig_srcs).collect(&File.method(:basename)).join(' ')} +OBJS = #{$objs.join(" ")} +HDRS = #{hdrs.map{|h| '$(srcdir)/' + File.basename(h)}.join(' ')} +TARGET = #{target} +TARGET_NAME = #{target && target[/\A\w+/]} +TARGET_ENTRY = #{EXPORT_PREFIX || ''}Init_$(TARGET_NAME) +DLLIB = #{dllib} +EXTSTATIC = #{$static || ""} +STATIC_LIB = #{staticlib unless $static.nil?} +#{!$extout && defined?($installed_list) ? "INSTALLED_LIST = #{$installed_list}\n" : ""} +TIMESTAMP_DIR = #{$extout ? '$(extout)/.timestamp' : '.'} +" #" + # TODO: fixme + install_dirs.each {|d| mfile.print("%-14s= %s\n" % d) if /^[[:upper:]]/ =~ d[0]} + n = ($extout ? '$(RUBYARCHDIR)/' : '') + '$(TARGET)' + mfile.print " +TARGET_SO = #{($extout ? '$(RUBYARCHDIR)/' : '')}$(DLLIB) +CLEANLIBS = #{n}.#{CONFIG['DLEXT']} #{config_string('cleanlibs') {|t| t.gsub(/\$\*/) {n}}} +CLEANOBJS = *.#{$OBJEXT} #{config_string('cleanobjs') {|t| t.gsub(/\$\*/, "$(TARGET)#{deffile ? '-$(arch)': ''}")} if target} *.bak + +all: #{$extout ? "install" : target ? "$(DLLIB)" : "Makefile"} +static: $(STATIC_LIB)#{$extout ? " install-rb" : ""} +.PHONY: all install static install-so install-rb +.PHONY: clean clean-so clean-static clean-rb +" + mfile.print CLEANINGS + fsep = config_string('BUILD_FILE_SEPARATOR') {|s| s unless s == "/"} + if fsep + sep = ":/=#{fsep}" + fseprepl = proc {|s| + s = s.gsub("/", fsep) + s = s.gsub(/(\$\(\w+)(\))/) {$1+sep+$2} + s.gsub(/(\$\{\w+)(\})/) {$1+sep+$2} + } + rsep = ":#{fsep}=/" + else + fseprepl = proc {|s| s} + sep = "" + rsep = "" + end + dirs = [] + mfile.print "install: install-so install-rb\n\n" + sodir = (dir = "$(RUBYARCHDIR)").dup + mfile.print("install-so: ") + if target + f = "$(DLLIB)" + dest = "#{dir}/#{f}" + if $extout + mfile.puts dest + mfile.print "clean-so::\n" + mfile.print "\t-$(Q)$(RM) #{fseprepl[dest]}\n" + mfile.print "\t-$(Q)$(RMDIRS) #{fseprepl[dir]}#{$ignore_error}\n" + else + mfile.print "#{f} #{timestamp_file(dir, target_prefix)}\n" + mfile.print "\t$(INSTALL_PROG) #{fseprepl[f]} #{dir}\n" + if defined?($installed_list) + mfile.print "\t@echo #{dir}/#{File.basename(f)}>>$(INSTALLED_LIST)\n" + end + end + mfile.print "clean-static::\n" + mfile.print "\t-$(Q)$(RM) $(STATIC_LIB)\n" + else + mfile.puts "Makefile" + end + mfile.print("install-rb: pre-install-rb install-rb-default\n") + mfile.print("install-rb-default: pre-install-rb-default\n") + mfile.print("pre-install-rb: Makefile\n") + mfile.print("pre-install-rb-default: Makefile\n") + for sfx, i in [["-default", [["lib/**/*.rb", "$(RUBYLIBDIR)", "lib"]]], ["", $INSTALLFILES]] + files = install_files(mfile, i, nil, srcprefix) or next + for dir, *files in files + unless dirs.include?(dir) + dirs << dir + mfile.print "pre-install-rb#{sfx}: #{timestamp_file(dir, target_prefix)}\n" + end + for f in files + dest = "#{dir}/#{File.basename(f)}" + mfile.print("install-rb#{sfx}: #{dest}\n") + mfile.print("#{dest}: #{f} #{timestamp_file(dir, target_prefix)}\n") + mfile.print("\t$(Q) $(#{$extout ? 'COPY' : 'INSTALL_DATA'}) #{f} $(@D)\n") + if defined?($installed_list) and !$extout + mfile.print("\t@echo #{dest}>>$(INSTALLED_LIST)\n") + end + if $extout + mfile.print("clean-rb#{sfx}::\n") + mfile.print("\t-$(Q)$(RM) #{fseprepl[dest]}\n") + end + end + end + mfile.print "pre-install-rb#{sfx}:\n" + if files.empty? + mfile.print("\t@$(NULLCMD)\n") + else + mfile.print("\t$(ECHO) installing#{sfx.sub(/^-/, " ")} #{target} libraries\n") + end + if $extout + dirs.uniq! + unless dirs.empty? + mfile.print("clean-rb#{sfx}::\n") + for dir in dirs.sort_by {|d| -d.count('/')} + mfile.print("\t-$(Q)$(RMDIRS) #{fseprepl[dir]}#{$ignore_error}\n") + end + end + end + end + dirs.unshift(sodir) if target and !dirs.include?(sodir) + dirs.each do |d| + t = timestamp_file(d, target_prefix) + mfile.print "#{t}:\n\t$(Q) $(MAKEDIRS) $(@D) #{d}\n\t$(Q) $(TOUCH) $@\n" + end + + mfile.print <<-SITEINSTALL + +site-install: site-install-so site-install-rb +site-install-so: install-so +site-install-rb: install-rb + + SITEINSTALL + + return unless target + + mfile.puts SRC_EXT.collect {|e| ".path.#{e} = $(VPATH)"} if $nmake == ?b + mfile.print ".SUFFIXES: .#{(SRC_EXT + [$OBJEXT, $ASMEXT]).compact.join(' .')}\n" + mfile.print "\n" + + compile_command = "\n\t$(ECHO) compiling $(<#{rsep})\n\t$(Q) %s\n\n" + command = compile_command % COMPILE_CXX + asm_command = compile_command.sub(/compiling/, 'translating') % ASSEMBLE_CXX + CXX_EXT.each do |e| + each_compile_rules do |rule| + mfile.printf(rule, e, $OBJEXT) + mfile.print(command) + mfile.printf(rule, e, $ASMEXT) + mfile.print(asm_command) + end + end + command = compile_command % COMPILE_C + asm_command = compile_command.sub(/compiling/, 'translating') % ASSEMBLE_C + C_EXT.each do |e| + each_compile_rules do |rule| + mfile.printf(rule, e, $OBJEXT) + mfile.print(command) + mfile.printf(rule, e, $ASMEXT) + mfile.print(asm_command) + end + end + + mfile.print "$(RUBYARCHDIR)/" if $extout + mfile.print "$(DLLIB): " + mfile.print "$(DEFFILE) " if makedef + mfile.print "$(OBJS) Makefile" + mfile.print " #{timestamp_file('$(RUBYARCHDIR)', target_prefix)}" if $extout + mfile.print "\n" + mfile.print "\t$(ECHO) linking shared-object #{target_prefix.sub(/\A\/(.*)/, '\1/')}$(DLLIB)\n" + mfile.print "\t-$(Q)$(RM) $(@#{sep})\n" + link_so = LINK_SO.gsub(/^/, "\t$(Q) ") + if srcs.any?(&%r"\.(?:#{CXX_EXT.join('|')})\z".method(:===)) + link_so = link_so.sub(/\bLDSHARED\b/, '\&XX') + end + mfile.print link_so, "\n\n" + unless $static.nil? + mfile.print "$(STATIC_LIB): $(OBJS)\n\t-$(Q)$(RM) $(@#{sep})\n\t" + mfile.print "$(ECHO) linking static-library $(@#{rsep})\n\t$(Q) " + mfile.print "$(AR) #{config_string('ARFLAGS') || 'cru '}$@ $(OBJS)" + config_string('RANLIB') do |ranlib| + mfile.print "\n\t-$(Q)#{ranlib} $(@) 2> /dev/null || true" + end + end + mfile.print "\n\n" + if makedef + mfile.print "$(DEFFILE): #{origdef}\n" + mfile.print "\t$(ECHO) generating $(@#{rsep})\n" + mfile.print "\t$(Q) $(RUBY) #{makedef} #{origdef} > $@\n\n" + end + + depend = File.join(srcdir, "depend") + if File.exist?(depend) + mfile.print("###\n", *depend_rules(File.read(depend))) + else + mfile.print "$(OBJS): $(HDRS) $(ruby_headers)\n" + end + + $makefile_created = true + ensure + mfile.close if mfile + end + + # :stopdoc: + + def init_mkmf(config = CONFIG, rbconfig = RbConfig::CONFIG) + $makefile_created = false + $arg_config = [] + $enable_shared = config['ENABLE_SHARED'] == 'yes' + $defs = [] + $extconf_h = nil + if $warnflags = CONFIG['warnflags'] and CONFIG['GCC'] == 'yes' + # turn warnings into errors only for bundled extensions. + config['warnflags'] = $warnflags.gsub(/(\A|\s)-Werror[-=]/, '\1-W') + if /icc\z/ =~ config['CC'] + config['warnflags'].gsub!(/(\A|\s)-W(?:division-by-zero|deprecated-declarations)/, '\1') + end + RbConfig.expand(rbconfig['warnflags'] = config['warnflags'].dup) + config.each do |key, val| + RbConfig.expand(rbconfig[key] = val.dup) if /warnflags/ =~ val + end + $warnflags = config['warnflags'] unless $extmk + end + $CFLAGS = with_config("cflags", arg_config("CFLAGS", config["CFLAGS"])).dup + $CXXFLAGS = (with_config("cxxflags", arg_config("CXXFLAGS", config["CXXFLAGS"]))||'').dup + $ARCH_FLAG = with_config("arch_flag", arg_config("ARCH_FLAG", config["ARCH_FLAG"])).dup + $CPPFLAGS = with_config("cppflags", arg_config("CPPFLAGS", config["CPPFLAGS"])).dup + $LDFLAGS = with_config("ldflags", arg_config("LDFLAGS", config["LDFLAGS"])).dup + $INCFLAGS = "-I$(arch_hdrdir)" + $INCFLAGS << " -I$(hdrdir)/ruby/backward" unless $extmk + $INCFLAGS << " -I$(hdrdir) -I$(srcdir)" + $DLDFLAGS = with_config("dldflags", arg_config("DLDFLAGS", config["DLDFLAGS"])).dup + $LIBEXT = config['LIBEXT'].dup + $OBJEXT = config["OBJEXT"].dup + $EXEEXT = config["EXEEXT"].dup + $ASMEXT = config_string('ASMEXT', &:dup) || 'S' + $LIBS = "#{config['LIBS']} #{config['DLDLIBS']}" + $LIBRUBYARG = "" + $LIBRUBYARG_STATIC = config['LIBRUBYARG_STATIC'] + $LIBRUBYARG_SHARED = config['LIBRUBYARG_SHARED'] + $DEFLIBPATH = [$extmk ? "$(topdir)" : "$(#{config["libdirname"] || "libdir"})"] + $DEFLIBPATH.unshift(".") + $LIBPATH = [] + $INSTALLFILES = [] + $NONINSTALLFILES = [/~\z/, /\A#.*#\z/, /\A\.#/, /\.bak\z/i, /\.orig\z/, /\.rej\z/, /\.l[ao]\z/, /\.o\z/] + $VPATH = %w[$(srcdir) $(arch_hdrdir)/ruby $(hdrdir)/ruby] + + $objs = nil + $srcs = nil + $libs = "" + if $enable_shared or RbConfig.expand(config["LIBRUBY"].dup) != RbConfig.expand(config["LIBRUBY_A"].dup) + $LIBRUBYARG = config['LIBRUBYARG'] + end + + $LOCAL_LIBS = "" + + $cleanfiles = config_string('CLEANFILES') {|s| Shellwords.shellwords(s)} || [] + $cleanfiles << "mkmf.log" + $distcleanfiles = config_string('DISTCLEANFILES') {|s| Shellwords.shellwords(s)} || [] + $distcleandirs = config_string('DISTCLEANDIRS') {|s| Shellwords.shellwords(s)} || [] + + $extout ||= nil + $extout_prefix ||= nil + + $arg_config.clear + dir_config("opt") + end + + FailedMessage = <<MESSAGE +Could not create Makefile due to some reason, probably lack of necessary +libraries and/or headers. Check the mkmf.log file for more details. You may +need configuration options. + +Provided configuration options: +MESSAGE + + # Returns whether or not the Makefile was successfully generated. If not, + # the script will abort with an error message. + # + # Internal use only. + # + def mkmf_failed(path) + unless $makefile_created or File.exist?("Makefile") + opts = $arg_config.collect {|t, n| "\t#{t}#{n ? "=#{n}" : ""}\n"} + abort "*** #{path} failed ***\n" + FailedMessage + opts.join + end + end + + private + + def _libdir_basename + @libdir_basename ||= config_string("libdir") {|name| name[/\A\$\(exec_prefix\)\/(.*)/, 1]} || "lib" + end + + def MAIN_DOES_NOTHING(*refs) + src = MAIN_DOES_NOTHING + unless refs.empty? + src = src.sub(/\{/) do + $& + + "\n if (argc > 1000000) {\n" + + refs.map {|n|" printf(\"%p\", &#{n});\n"}.join("") + + " }\n" + end + end + src + end + + extend self + init_mkmf + + $make = with_config("make-prog", ENV["MAKE"] || "make") + make, = Shellwords.shellwords($make) + $nmake = nil + case + when $mswin + $nmake = ?m if /nmake/i =~ make + when $bccwin + $nmake = ?b if /Borland/i =~ `#{make} -h` + end + $ignore_error = $nmake ? '' : ' 2> /dev/null || true' + + RbConfig::CONFIG["srcdir"] = CONFIG["srcdir"] = + $srcdir = arg_config("--srcdir", File.dirname($0)) + $configure_args["--topsrcdir"] ||= $srcdir + if $curdir = arg_config("--curdir") + RbConfig.expand(curdir = $curdir.dup) + else + curdir = $curdir = "." + end + unless File.expand_path(RbConfig::CONFIG["topdir"]) == File.expand_path(curdir) + CONFIG["topdir"] = $curdir + RbConfig::CONFIG["topdir"] = curdir + end + $configure_args["--topdir"] ||= $curdir + $ruby = arg_config("--ruby", File.join(RbConfig::CONFIG["bindir"], CONFIG["ruby_install_name"])) + + RbConfig.expand(CONFIG["RUBY_SO_NAME"]) + + # :startdoc: + + split = Shellwords.method(:shellwords).to_proc + + EXPORT_PREFIX = config_string('EXPORT_PREFIX') {|s| s.strip} + + hdr = ['#include "ruby.h"' "\n"] + config_string('COMMON_MACROS') do |s| + Shellwords.shellwords(s).each do |w| + w, v = w.split(/=/, 2) + hdr << "#ifndef #{w}" + hdr << "#define #{[w, v].compact.join(" ")}" + hdr << "#endif /* #{w} */" + end + end + config_string('COMMON_HEADERS') do |s| + Shellwords.shellwords(s).each {|w| hdr << "#include <#{w}>"} + end + + ## + # Common headers for Ruby C extensions + + COMMON_HEADERS = hdr.join("\n") + + ## + # Common libraries for Ruby C extensions + + COMMON_LIBS = config_string('COMMON_LIBS', &split) || [] + + ## + # make compile rules + + COMPILE_RULES = config_string('COMPILE_RULES', &split) || %w[.%s.%s:] + RULE_SUBST = config_string('RULE_SUBST') + + ## + # Command which will compile C files in the generated Makefile + + COMPILE_C = config_string('COMPILE_C') || '$(CC) $(INCFLAGS) $(CPPFLAGS) $(CFLAGS) $(COUTFLAG)$@ -c $<' + + ## + # Command which will compile C++ files in the generated Makefile + + COMPILE_CXX = config_string('COMPILE_CXX') || '$(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) $(COUTFLAG)$@ -c $<' + + ## + # Command which will translate C files to assembler sources in the generated Makefile + + ASSEMBLE_C = config_string('ASSEMBLE_C') || COMPILE_C.sub(/(?<=\s)-c(?=\s)/, '-S') + + ## + # Command which will translate C++ files to assembler sources in the generated Makefile + + ASSEMBLE_CXX = config_string('ASSEMBLE_CXX') || COMPILE_CXX.sub(/(?<=\s)-c(?=\s)/, '-S') + + ## + # Command which will compile a program in order to test linking a library + + TRY_LINK = config_string('TRY_LINK') || + "$(CC) #{OUTFLAG}#{CONFTEST}#{$EXEEXT} $(INCFLAGS) $(CPPFLAGS) " \ + "$(CFLAGS) $(src) $(LIBPATH) $(LDFLAGS) $(ARCH_FLAG) $(LOCAL_LIBS) $(LIBS)" + + ## + # Command which will link a shared library + + LINK_SO = (config_string('LINK_SO') || "").sub(/^$/) do + if CONFIG["DLEXT"] == $OBJEXT + "ld $(DLDFLAGS) -r -o $@ $(OBJS)\n" + else + "$(LDSHARED) #{OUTFLAG}$@ $(OBJS) " \ + "$(LIBPATH) $(DLDFLAGS) $(LOCAL_LIBS) $(LIBS)" + end + end + + ## + # Argument which will add a library path to the linker + + LIBPATHFLAG = config_string('LIBPATHFLAG') || ' -L%s' + RPATHFLAG = config_string('RPATHFLAG') || '' + + ## + # Argument which will add a library to the linker + + LIBARG = config_string('LIBARG') || '-l%s' + + ## + # A C main function which does no work + + MAIN_DOES_NOTHING = config_string('MAIN_DOES_NOTHING') || "int main(int argc, char **argv)\n{\n return 0;\n}" + UNIVERSAL_INTS = config_string('UNIVERSAL_INTS') {|s| Shellwords.shellwords(s)} || + %w[int short long long\ long] + + sep = config_string('BUILD_FILE_SEPARATOR') {|s| ":/=#{s}" if s != "/"} || "" + + ## + # Makefile rules that will clean the extension build directory + + CLEANINGS = " +clean-static:: +clean-rb-default:: +clean-rb:: +clean-so:: +clean: clean-so clean-static clean-rb-default clean-rb +\t\t-$(Q)$(RM) $(CLEANLIBS#{sep}) $(CLEANOBJS#{sep}) $(CLEANFILES#{sep}) .*.time + +distclean-rb-default:: +distclean-rb:: +distclean-so:: +distclean-static:: +distclean: clean distclean-so distclean-static distclean-rb-default distclean-rb +\t\t-$(Q)$(RM) Makefile $(RUBY_EXTCONF_H) #{CONFTEST}.* mkmf.log +\t\t-$(Q)$(RM) core ruby$(EXEEXT) *~ $(DISTCLEANFILES#{sep}) +\t\t-$(Q)$(RMDIRS) $(DISTCLEANDIRS#{sep})#{$ignore_error} + +realclean: distclean +" +end + +include MakeMakefile + +if not $extmk and /\A(extconf|makefile).rb\z/ =~ File.basename($0) + END {mkmf_failed($0)} +end |