diff options
author | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-07-07 07:36:34 +0000 |
---|---|---|
committer | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-07-07 07:36:34 +0000 |
commit | 441546edcfbb1b346c87b69c5f578d1a0e522e06 (patch) | |
tree | 04f606a008baebc445f38944ad37e87468da29ea /ruby_1_8_6/lib/mkmf.rb | |
parent | fa93611c0f9a6db146341c792bfe3b7322ec00e2 (diff) |
add tag v1_8_6_269
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_8_6_269@17937 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ruby_1_8_6/lib/mkmf.rb')
-rw-r--r-- | ruby_1_8_6/lib/mkmf.rb | 1554 |
1 files changed, 1554 insertions, 0 deletions
diff --git a/ruby_1_8_6/lib/mkmf.rb b/ruby_1_8_6/lib/mkmf.rb new file mode 100644 index 0000000000..31f4878b8b --- /dev/null +++ b/ruby_1_8_6/lib/mkmf.rb @@ -0,0 +1,1554 @@ +# module to create Makefile for extension modules +# invoke like: ruby -r mkmf extconf.rb + +require 'rbconfig' +require 'fileutils' +require 'shellwords' + +CONFIG = Config::MAKEFILE_CONFIG +ORIG_LIBPATH = ENV['LIB'] + +CXX_EXT = %w[cc cxx cpp] +if /mswin|bccwin|mingw|msdosdjgpp|human|os2/ !~ CONFIG['build_os'] + CXX_EXT.concat(%w[C]) +end +SRC_EXT = %w[c m] << CXX_EXT +$static = $config_h = nil +$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"] +$sitearchdir = CONFIG["sitearchdir"] + +$mswin = /mswin/ =~ RUBY_PLATFORM +$bccwin = /bccwin/ =~ RUBY_PLATFORM +$mingw = /mingw/ =~ RUBY_PLATFORM +$cygwin = /cygwin/ =~ RUBY_PLATFORM +$human = /human/ =~ RUBY_PLATFORM +$netbsd = /netbsd/ =~ RUBY_PLATFORM +$os2 = /os2/ =~ RUBY_PLATFORM +$beos = /beos/ =~ RUBY_PLATFORM +$solaris = /solaris/ =~ RUBY_PLATFORM +$dest_prefix_pattern = (File::PATH_SEPARATOR == ';' ? /\A([[:alpha:]]:)?/ : /\A/) + +def config_string(key, config = CONFIG) + s = config[key] and !s.empty? and block_given? ? yield(s) : s +end + +def dir_re(dir) + Regexp.new('\$(?:\('+dir+'\)|\{'+dir+'\})(?:\$(?:\(target_prefix\)|\{target_prefix\}))?') +end + +INSTALL_DIRS = [ + [dir_re('commondir'), "$(RUBYCOMMONDIR)"], + [dir_re("sitedir"), "$(RUBYCOMMONDIR)"], + [dir_re('rubylibdir'), "$(RUBYLIBDIR)"], + [dir_re('archdir'), "$(RUBYARCHDIR)"], + [dir_re('sitelibdir'), "$(RUBYLIBDIR)"], + [dir_re('sitearchdir'), "$(RUBYARCHDIR)"] +] + +def install_dirs(target_prefix = nil) + if $extout + dirs = [ + ['RUBYCOMMONDIR', '$(extout)/common'], + ['RUBYLIBDIR', '$(RUBYCOMMONDIR)$(target_prefix)'], + ['RUBYARCHDIR', '$(extout)/$(arch)$(target_prefix)'], + ['extout', "#$extout"], + ['extout_prefix', "#$extout_prefix"], + ] + elsif $extmk + dirs = [ + ['RUBYCOMMONDIR', '$(rubylibdir)'], + ['RUBYLIBDIR', '$(rubylibdir)$(target_prefix)'], + ['RUBYARCHDIR', '$(archdir)$(target_prefix)'], + ] + else + dirs = [ + ['RUBYCOMMONDIR', '$(sitedir)$(target_prefix)'], + ['RUBYLIBDIR', '$(sitelibdir)$(target_prefix)'], + ['RUBYARCHDIR', '$(sitearchdir)$(target_prefix)'], + ] + end + dirs << ['target_prefix', (target_prefix ? "/#{target_prefix}" : "")] + dirs +end + +def map_dir(dir, map = nil) + map ||= INSTALL_DIRS + map.inject(dir) {|dir, (orig, new)| dir.gsub(orig, new)} +end + +topdir = File.dirname(libdir = File.dirname(__FILE__)) +extdir = File.expand_path("ext", topdir) +$extmk = File.expand_path($0)[0, extdir.size+1] == extdir+"/" +if not $extmk and File.exist?(Config::CONFIG["archdir"] + "/ruby.h") + $hdrdir = $topdir = Config::CONFIG["archdir"] +elsif File.exist?(($top_srcdir ||= topdir) + "/ruby.h") and + File.exist?(($topdir ||= Config::CONFIG["topdir"]) + "/config.h") + $hdrdir = $top_srcdir +else + abort "can't find header files for ruby." +end + +OUTFLAG = CONFIG['OUTFLAG'] +CPPOUTFILE = CONFIG['CPPOUTFILE'] + +CONFTEST_C = "conftest.c" + +class String + def quote + /\s/ =~ self ? "\"#{self}\"" : self + end +end +class Array + def quote + map {|s| s.quote} + end +end + +def rm_f(*files) + FileUtils.rm_f(Dir[files.join("\0")]) +end + +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 merge_libs(*libs) + libs.inject([]) do |x, y| + xy = x & y + xn = yn = 0 + y = y.inject([]) {|ary, e| ary.last == e ? ary : ary << e} + y.each_with_index do |v, yi| + if xy.include?(v) + xi = [x.index(v), xn].max() + x[xi, 1] = y[yn..yi] + xn, yn = xi + (yi - yn + 1), yi + 1 + end + end + x.concat(y[yn..-1] || []) + end +end + +module Logging + @log = nil + @logfile = 'mkmf.log' + @orgerr = $stderr.dup + @orgout = $stdout.dup + @postpone = 0 + + def self::open + @log ||= File::open(@logfile, 'w') + @log.sync = true + $stderr.reopen(@log) + $stdout.reopen(@log) + yield + ensure + $stderr.reopen(@orgerr) + $stdout.reopen(@orgout) + end + + def self::message(*s) + @log ||= File::open(@logfile, 'w') + @log.sync = true + @log.printf(*s) + end + + def self::logfile file + @logfile = file + if @log and not @log.closed? + @log.flush + @log.close + @log = nil + end + end + + def self::postpone + tmplog = "mkmftmp#{@postpone += 1}.log" + open do + log, *save = @log, @logfile, @orgout, @orgerr + @log, @logfile, @orgout, @orgerr = nil, tmplog, log, log + begin + log.print(open {yield}) + @log.close + File::open(tmplog) {|t| FileUtils.copy_stream(t, log)} + ensure + @log, @logfile, @orgout, @orgerr = log, *save + @postpone -= 1 + rm_f tmplog + end + end + end +end + +def xsystem command + Logging::open do + puts command.quote + system(command) + end +end + +def xpopen command, *mode, &block + Logging::open do + case mode[0] + when nil, /^r/ + puts "#{command} |" + else + puts "| #{command}" + end + IO.popen(command, *mode, &block) + end +end + +def log_src(src) + src = src.split(/^/) + fmt = "%#{src.size.to_s.size}d: %s" + Logging::message <<"EOM" +checked program was: +/* begin */ +EOM + src.each_with_index {|line, no| Logging::message fmt, no+1, line} + Logging::message <<"EOM" +/* end */ + +EOM +end + +def create_tmpsrc(src) + src = yield(src) if block_given? + src = src.gsub(/[ \t]+$/, '').gsub(/\A\n+|^\n+$/, '').sub(/[^\n]\z/, "\\&\n") + open(CONFTEST_C, "wb") do |cfile| + cfile.print src + end + src +end + +def try_do(src, command, &b) + src = create_tmpsrc(src, &b) + xsystem(command) +ensure + log_src(src) +end + +def link_command(ldflags, opt="", libpath=$DEFLIBPATH|$LIBPATH) + conf = Config::CONFIG.merge('hdrdir' => $hdrdir.quote, + 'src' => CONFTEST_C, + 'INCFLAGS' => $INCFLAGS, + 'CPPFLAGS' => $CPPFLAGS, + 'CFLAGS' => "#$CFLAGS", + 'ARCH_FLAG' => "#$ARCH_FLAG", + 'LDFLAGS' => "#$LDFLAGS #{ldflags}", + 'LIBPATH' => libpathflag(libpath), + 'LOCAL_LIBS' => "#$LOCAL_LIBS #$libs", + 'LIBS' => "#$LIBRUBYARG_STATIC #{opt} #$LIBS") + Config::expand(TRY_LINK.dup, conf) +end + +def cc_command(opt="") + conf = Config::CONFIG.merge('hdrdir' => $hdrdir.quote, 'srcdir' => $srcdir.quote) + Config::expand("$(CC) #$INCFLAGS #$CPPFLAGS #$CFLAGS #$ARCH_FLAG #{opt} -c #{CONFTEST_C}", + conf) +end + +def cpp_command(outfile, opt="") + conf = Config::CONFIG.merge('hdrdir' => $hdrdir.quote, 'srcdir' => $srcdir.quote) + Config::expand("$(CPP) #$INCFLAGS #$CPPFLAGS #$CFLAGS #{opt} #{CONFTEST_C} #{outfile}", + conf) +end + +def libpathflag(libpath=$DEFLIBPATH|$LIBPATH) + libpath.map{|x| + case x + when "$(topdir)", /\A\./ + LIBPATHFLAG + else + LIBPATHFLAG+RPATHFLAG + end % x.quote + }.join +end + +def try_link0(src, opt="", &b) + try_do(src, link_command("", opt), &b) +end + +def try_link(src, opt="", &b) + try_link0(src, opt, &b) +ensure + rm_f "conftest*", "c0x32*" +end + +def try_compile(src, opt="", &b) + try_do(src, cc_command(opt), &b) +ensure + rm_f "conftest*" +end + +def try_cpp(src, opt="", &b) + try_do(src, cpp_command(CPPOUTFILE, opt), &b) +ensure + rm_f "conftest*" +end + +def cpp_include(header) + if header + header = [header] unless header.kind_of? Array + header.map {|h| "#include <#{h}>\n"}.join + else + "" + end +end + +def with_cppflags(flags) + cppflags = $CPPFLAGS + $CPPFLAGS = flags + ret = yield +ensure + $CPPFLAGS = cppflags unless ret +end + +def with_cflags(flags) + cflags = $CFLAGS + $CFLAGS = flags + ret = yield +ensure + $CFLAGS = cflags unless ret +end + +def with_ldflags(flags) + ldflags = $LDFLAGS + $LDFLAGS = flags + ret = yield +ensure + $LDFLAGS = ldflags unless ret +end + +def try_static_assert(expr, headers = nil, opt = "", &b) + headers = cpp_include(headers) + try_compile(<<SRC, opt, &b) +#{COMMON_HEADERS} +#{headers} +/*top*/ +int conftest_const[(#{expr}) ? 1 : -1]; +SRC +end + +def try_constant(const, headers = nil, opt = "", &b) + includes = cpp_include(headers) + if CROSS_COMPILING + if try_static_assert("#{const} > 0", headers, opt) + # positive constant + elsif try_static_assert("#{const} < 0", headers, opt) + neg = true + const = "-(#{const})" + elsif try_static_assert("#{const} == 0", headers, opt) + return 0 + else + # not a constant + return nil + end + upper = 1 + lower = 0 + 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 = %{#{COMMON_HEADERS} +#{includes} +#include <stdio.h> +/*top*/ +int conftest_const = (int)(#{const}); +int main() {printf("%d\\n", conftest_const); return 0;} +} + if try_link0(src, opt, &b) + xpopen("./conftest") do |f| + return Integer(f.gets) + end + end + end + nil +end + +def try_func(func, libs, headers = nil, &b) + headers = cpp_include(headers) + try_link(<<"SRC", libs, &b) or try_link(<<"SRC", libs, &b) +#{COMMON_HEADERS} +#{headers} +/*top*/ +int main() { return 0; } +int t() { void ((*volatile p)()); p = (void ((*)()))#{func}; return 0; } +SRC +#{headers} +/*top*/ +int main() { return 0; } +int t() { #{func}(); return 0; } +SRC +end + +def try_var(var, headers = nil, &b) + headers = cpp_include(headers) + try_compile(<<"SRC", &b) +#{COMMON_HEADERS} +#{headers} +/*top*/ +int main() { return 0; } +int t() { const volatile void *volatile p; p = &(&#{var})[0]; return 0; } +SRC +end + +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 + $stdin.reopen(stdin) + end + end + end +ensure + rm_f "conftest*" + log_src(src) +end + +def macro_defined?(macro, src, opt = "", &b) + src = src.sub(/[^\n]\z/, "\\&\n") + try_compile(src + <<"SRC", opt, &b) +/*top*/ +#ifndef #{macro} +# error +>>>>>> #{macro} undefined <<<<<< +#endif +SRC +end + +def try_run(src, opt = "", &b) + if try_link0(src, opt, &b) + xsystem("./conftest") + else + nil + end +ensure + rm_f "conftest*" +end + +def install_files(mfile, ifiles, map = nil, srcprefix = nil) + ifiles or return + srcprefix ||= '$(srcdir)' + Config::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 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 |f| + f[0..len] = "" if len + 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) + format(LIBARG, lib) + " " + libs +end + +def message(*s) + unless $extmk and not $VERBOSE + printf(*s) + $stdout.flush + end +end + +def checking_for(m, fmt = nil) + f = caller[0][/in `(.*)'$/, 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 + +# 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 'main()' 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+. +# +# Real name of the library to be linked can be altered by +# '--with-FOOlib' configuration option. +# +def have_library(lib, func = nil, headers = nil, &b) + func = "main" if !func or func.empty? + lib = with_config(lib+'lib', lib) + checking_for checking_message("#{func}()", LIBARG%lib) do + if COMMON_LIBS.include?(lib) + true + else + libs = append_library($libs, lib) + if try_func(func, libs, headers, &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 main() 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 "#{func}() in #{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_'. +# +# For example, if have_func('foo') returned true, then the HAVE_FOO +# preprocessor macro would be passed to the compiler. +# +def have_func(func, headers = nil, &b) + checking_for checking_message("#{func}()", headers) do + if try_func(func, $libs, headers, &b) + $defs.push(format("-DHAVE_%s", func.upcase)) + 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_'. +# +# For example, if have_var('foo') returned true, then the HAVE_FOO +# preprocessor macro would be passed to the compiler. +# +def have_var(var, headers = nil, &b) + checking_for checking_message(var, headers) do + if try_var(var, headers, &b) + $defs.push(format("-DHAVE_%s", var.upcase)) + 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 have_header('foo.h') returned true, then the HAVE_FOO_H +# preprocessor macro would be passed to the compiler. +# +def have_header(header, &b) + checking_for header do + if try_cpp(cpp_include(header), &b) + $defs.push(format("-DHAVE_%s", header.tr("a-z./\055", "A-Z___"))) + 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 -I switch). +# +def find_header(header, *paths) + header = cpp_include(header) + checking_for header do + if try_cpp(header) + true + else + found = false + paths.each do |dir| + opt = "-I#{dir}".quote + if try_cpp(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 member name, in uppercase, prepended with 'HAVE_ST_'. +# +# For example, if have_struct_member('foo', 'bar') returned true, then the +# HAVE_ST_BAR preprocessor macro would be passed to the compiler. +# +def have_struct_member(type, member, headers = nil, &b) + checking_for checking_message("#{type}.#{member}", headers) do + if try_compile(<<"SRC", &b) +#{COMMON_HEADERS} +#{cpp_include(headers)} +/*top*/ +int main() { return 0; } +int s = (char *)&((#{type}*)0)->#{member} - (char *)0; +SRC + $defs.push(format("-DHAVE_ST_%s", member.upcase)) + true + else + false + end + 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 have_type('foo') 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 + headers = cpp_include(headers) + if try_compile(<<"SRC", opt, &b) +#{COMMON_HEADERS} +#{headers} +/*top*/ +typedef #{type} conftest_type; +static conftest_type conftestval[sizeof(conftest_type)?1:-1]; +SRC + $defs.push(format("-DHAVE_TYPE_%s", type.strip.upcase.tr_s("^A-Z0-9_", "_"))) + true + else + false + end + end +end + +# 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 '=X' where 'X' is the actual size. +# +# For example, if check_sizeof('mystruct') returned 12, then the +# SIZEOF_MYSTRUCT=12 preprocessor macro would be passed to the compiler. +# +def check_sizeof(type, headers = nil, &b) + expr = "sizeof(#{type})" + fmt = "%d" + def fmt.%(x) + x ? super : "failed" + end + checking_for checking_message("size of #{type}", headers), fmt do + if size = try_constant(expr, headers, &b) + $defs.push(format("-DSIZEOF_%s=%d", type.upcase.tr_s("^A-Z0-9_", "_"), size)) + size + end + end +end + +def scalar_ptr_type?(type, member = nil, headers = nil, &b) + try_compile(<<"SRC", &b) # pointer +#{COMMON_HEADERS} +#{cpp_include(headers)} +/*top*/ +volatile #{type} conftestval; +int main() { return 0; } +int t() {return (int)(1-*(conftestval#{member ? ".#{member}" : ""}));} +SRC +end + +def scalar_type?(type, member = nil, headers = nil, &b) + try_compile(<<"SRC", &b) # pointer +#{COMMON_HEADERS} +#{cpp_include(headers)} +/*top*/ +volatile #{type} conftestval; +int main() { return 0; } +int t() {return (int)(1-(conftestval#{member ? ".#{member}" : ""}));} +SRC +end + +def what_type?(type, member = nil, headers = nil, &b) + m = "#{type}" + name = type + if member + m << "." << member + name = "(((#{type} *)0)->#{member})" + end + fmt = "seems %s" + def fmt.%(x) + x ? super : "unknown" + end + checking_for checking_message(m, headers), fmt do + if scalar_ptr_type?(type, member, headers, &b) + if try_static_assert("sizeof(*#{name}) == 1", headers) + "string" + end + elsif scalar_type?(type, member, headers, &b) + if try_static_assert("sizeof(#{name}) > sizeof(long)", headers) + "long long" + elsif try_static_assert("sizeof(#{name}) > sizeof(int)", headers) + "long" + elsif try_static_assert("sizeof(#{name}) > sizeof(short)", headers) + "int" + elsif try_static_assert("sizeof(#{name}) > 1", headers) + "short" + else + "char" + end + end + end +end + +def find_executable0(bin, path = nil) + ext = config_string('EXEEXT') + if File.expand_path(bin) == bin + return bin if File.executable?(bin) + ext and File.executable?(file = bin + ext) and return file + 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 File.executable?(file = File.join(dir, bin)) + return file if ext and File.executable?(file << ext) + end + nil +end + +def find_executable(bin, path = nil) + checking_for checking_message(bin, path) do + find_executable0(bin, path) + end +end + +def arg_config(config, *defaults, &block) + $arg_config << [config, *defaults] + defaults << nil if !block and defaults.empty? + $configure_args.fetch(config.tr('_', '-'), *defaults, &block) +end + +def with_config(config, *defaults) + config = config.sub(/^--with[-_]/, '') + val = arg_config("--with-"+config) do + if arg_config("--without-"+config) + false + elsif block_given? + yield(config, *defaults) + else + break *defaults + end + end + case val + when "yes" + true + when "no" + false + else + val + end +end + +def enable_config(config, *defaults) + if arg_config("--enable-"+config) + true + elsif arg_config("--disable-"+config) + false + elsif block_given? + yield(config, *defaults) + else + return *defaults + end +end + +def create_header(header = "extconf.h") + message "creating %s\n", header + sym = header.tr("a-z./\055", "A-Z___") + hdr = ["#ifndef #{sym}\n#define #{sym}\n"] + for line in $defs + case line + when /^-D([^=]+)(?:=(.*))?/ + hdr << "#define #$1 #{$2 ? Shellwords.shellwords($2)[0] : 1}\n" + when /^-U(.*)/ + hdr << "#undef #$1\n" + end + end + hdr << "#endif\n" + hdr = hdr.join + unless (IO.read(header) == hdr rescue false) + open(header, "w") do |hfile| + hfile.write(hdr) + end + end + $extconf_h = header +end + +# 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 --with-foo-dir command +# line option. +# +# You may pass along additional 'include' or 'lib' defaults via the +idefault+ +# and +ldefault+ parameters, respectively. +# +# 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}/lib" + + idirs = idir ? Array === idir ? idir : idir.split(File::PATH_SEPARATOR) : [] + if defaults + idirs.concat(defaults.collect {|dir| dir + "/include"}) + idir = ([idir] + idirs).compact.join(File::PATH_SEPARATOR) + end + unless idirs.empty? + idirs.collect! {|dir| "-I" + dir} + idirs -= Shellwords.shellwords($CPPFLAGS) + unless idirs.empty? + $CPPFLAGS = (idirs.quote << $CPPFLAGS).join(" ") + end + end + + ldirs = ldir ? Array === ldir ? ldir : ldir.split(File::PATH_SEPARATOR) : [] + if defaults + ldirs.concat(defaults.collect {|dir| dir + "/lib"}) + ldir = ([ldir] + ldirs).compact.join(File::PATH_SEPARATOR) + end + $LIBPATH = ldirs | $LIBPATH + + [idir, ldir] +end + +def pkg_config(pkg) + if pkgconfig = with_config("#{pkg}-config") and find_executable0(pkgconfig) + # iff package specific config command is given + get = proc {|opt| `#{pkgconfig} --#{opt}`.chomp} + elsif ($PKGCONFIG ||= + (pkgconfig = with_config("pkg-config", ("pkg-config" unless CROSS_COMPILING))) && + find_executable0(pkgconfig) && pkgconfig) and + system("#{$PKGCONFIG} --exists #{pkg}") + # default to pkg-config command + get = proc {|opt| `#{$PKGCONFIG} --#{opt} #{pkg}`.chomp} + elsif find_executable0(pkgconfig = "#{pkg}-config") + # default to package specific config command, as a last resort. + get = proc {|opt| `#{pkgconfig} --#{opt}`.chomp} + end + if get + cflags = get['cflags'] + ldflags = get['libs'] + libs = get['libs-only-l'] + ldflags = (Shellwords.shellwords(ldflags) - Shellwords.shellwords(libs)).quote.join(" ") + $CFLAGS += " " << cflags + $LDFLAGS += " " << ldflags + $libs += " " << libs + Logging::message "package configuration for %s\n", pkg + Logging::message "cflags: %s\nldflags: %s\nlibs: %s\n\n", + cflags, ldflags, libs + [cflags, ldflags, libs] + else + Logging::message "package configuration for %s is not found\n", pkg + nil + end +end + +def with_destdir(dir) + dir = dir.sub($dest_prefix_pattern, '') + /\A\$[\(\{]/ =~ dir ? dir : "$(DESTDIR)"+dir +end + +def winsep(s) + s.tr('/', '\\') +end + +def configuration(srcdir) + mk = [] + vpath = %w[$(srcdir) $(topdir) $(hdrdir)] + if !CROSS_COMPILING + case CONFIG['build_os'] + when 'cygwin' + if CONFIG['target_os'] != 'cygwin' + vpath.each {|p| p.sub!(/.*/, '$(shell cygpath -u \&)')} + end + when 'msdosdjgpp', 'mingw32' + CONFIG['PATH_SEPARATOR'] = ';' + end + end + mk << %{ +SHELL = /bin/sh + +#### Start of system configuration section. #### + +srcdir = #{srcdir.gsub(/\$\((srcdir)\)|\$\{(srcdir)\}/) {CONFIG[$1||$2]}.quote} +topdir = #{($extmk ? CONFIG["topdir"] : $topdir).quote} +hdrdir = #{$extmk ? CONFIG["hdrdir"].quote : '$(topdir)'} +VPATH = #{vpath.join(CONFIG['PATH_SEPARATOR'])} +} + if $extmk + mk << "RUBYLIB = -\nRUBYOPT = -rpurelib.rb\n" + end + if destdir = CONFIG["prefix"][$dest_prefix_pattern, 1] + mk << "\nDESTDIR = #{destdir}\n" + end + CONFIG.each do |key, var| + next unless /prefix$/ =~ key + mk << "#{key} = #{with_destdir(var)}\n" + end + CONFIG.each do |key, var| + next if /^abs_/ =~ key + next unless /^(?:src|top|hdr|(.*))dir$/ =~ key and $1 + mk << "#{key} = #{with_destdir(var)}\n" + end + if !$extmk and !$configure_args.has_key?('--ruby') and + sep = config_string('BUILD_FILE_SEPARATOR') + sep = ":/=#{sep}" + else + sep = "" + end + extconf_h = $extconf_h ? "-DRUBY_EXTCONF_H=\\\"$(RUBY_EXTCONF_H)\\\" " : $defs.join(" ")<<" " + mk << %{ +CC = #{CONFIG['CC']} +LIBRUBY = #{CONFIG['LIBRUBY']} +LIBRUBY_A = #{CONFIG['LIBRUBY_A']} +LIBRUBYARG_SHARED = #$LIBRUBYARG_SHARED +LIBRUBYARG_STATIC = #$LIBRUBYARG_STATIC + +RUBY_EXTCONF_H = #{$extconf_h} +CFLAGS = #{$static ? '' : CONFIG['CCDLFLAGS']} #$CFLAGS #$ARCH_FLAG +INCFLAGS = -I. #$INCFLAGS +DEFS = #{CONFIG['DEFS']} +CPPFLAGS = #{extconf_h}#{$CPPFLAGS} +CXXFLAGS = $(CFLAGS) #{CONFIG['CXXFLAGS']} +DLDFLAGS = #$LDFLAGS #$DLDFLAGS #$ARCH_FLAG +LDSHARED = #{CONFIG['LDSHARED']} +AR = #{CONFIG['AR']} +EXEEXT = #{CONFIG['EXEEXT']} + +RUBY_INSTALL_NAME = #{CONFIG['RUBY_INSTALL_NAME']} +RUBY_SO_NAME = #{CONFIG['RUBY_SO_NAME']} +arch = #{CONFIG['arch']} +sitearch = #{CONFIG['sitearch']} +ruby_version = #{Config::CONFIG['ruby_version']} +ruby = #{$ruby} +RUBY = $(ruby#{sep}) +RM = #{config_string('RM') || '$(RUBY) -run -e rm -- -f'} +MAKEDIRS = #{config_string('MAKEDIRS') || '@$(RUBY) -run -e mkdir -- -p'} +INSTALL = #{config_string('INSTALL') || '@$(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') || '@$(RUBY) -run -e cp -- -v'} + +#### End of system configuration section. #### + +preload = #{$preload ? $preload.join(' ') : ''} +} + if $nmake == ?b + mk.each do |x| + x.gsub!(/^(MAKEDIRS|INSTALL_(?:PROG|DATA))+\s*=.*\n/) do + "!ifndef " + $1 + "\n" + + $& + + "!endif\n" + end + end + end + mk +end + +def dummy_makefile(srcdir) + configuration(srcdir) << <<RULES << CLEANINGS +CLEANFILES = #{$cleanfiles.join(' ')} +DISTCLEANFILES = #{$distcleanfiles.join(' ')} + +all install static install-so install-rb: Makefile + +RULES +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. "require 'test/foo'". +# +def create_makefile(target, srcprefix = nil) + $target = target + libpath = $DEFLIBPATH|$LIBPATH + message "creating Makefile\n" + 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)' + Config::expand(srcdir = srcprefix.dup) + + if not $objs + $objs = [] + srcs = Dir[File.join(srcdir, "*.{#{SRC_EXT.join(%q{,})}}")] + for f in srcs + obj = File.basename(f, ".*") << ".o" + $objs.push(obj) unless $objs.index(obj) + end + elsif !(srcs = $srcs) + srcs = $objs.collect {|obj| obj.sub(/\.o\z/, '.c')} + end + $srcs = srcs + for i in $objs + i.sub!(/\.o\z/, ".#{$OBJEXT}") + end + $objs = $objs.join(" ") + + target = nil if $objs == "" + + if target and EXPORT_PREFIX + if File.exist?(File.join(srcdir, target + '.def')) + deffile = "$(srcdir)/$(TARGET).def" + unless EXPORT_PREFIX.empty? + makedef = %{-pe "sub!(/^(?=\\w)/,'#{EXPORT_PREFIX}') unless 1../^EXPORTS$/i"} + end + else + makedef = %{-e "puts 'EXPORTS', '#{EXPORT_PREFIX}Init_$(TARGET)'"} + end + if makedef + $distcleanfiles << '$(DEFFILE)' + origdef = deffile + deffile = "$(TARGET)-$(arch).def" + end + end + origdef ||= '' + + libpath = libpathflag(libpath) + + dllib = target ? "$(TARGET).#{CONFIG['DLEXT']}" : "" + staticlib = target ? "$(TARGET).#$LIBEXT" : "" + mfile = open("Makefile", "wb") + mfile.print configuration(srcprefix) + mfile.print " +libpath = #{($DEFLIBPATH|$LIBPATH).join(" ")} +LIBPATH = #{libpath} +DEFFILE = #{deffile} + +CLEANFILES = #{$cleanfiles.join(' ')} +DISTCLEANFILES = #{$distcleanfiles.join(' ')} + +extout = #{$extout} +extout_prefix = #{$extout_prefix} +target_prefix = #{target_prefix} +LOCAL_LIBS = #{$LOCAL_LIBS} +LIBS = #{$LIBRUBYARG} #{$libs} #{$LIBS} +SRCS = #{srcs.collect(&File.method(:basename)).join(' ')} +OBJS = #{$objs} +TARGET = #{target} +DLLIB = #{dllib} +EXTSTATIC = #{$static || ""} +STATIC_LIB = #{staticlib unless $static.nil?} +#{!$extout && defined?($installed_list) ? "INSTALLED_LIST = #{$installed_list}\n" : ""} +" + 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']} #{n}il? #{n}tds #{n}map +CLEANOBJS = *.#{$OBJEXT} *.#{$LIBEXT} *.s[ol] *.pdb *.exp *.bak + +all: #{$extout ? "install" : target ? "$(DLLIB)" : "Makefile"} +static: $(STATIC_LIB)#{$extout ? " install-rb" : ""} +" + mfile.print CLEANINGS + dirs = [] + mfile.print "install: install-so install-rb\n\n" + sodir = (dir = "$(RUBYARCHDIR)").dup + mfile.print("install-so: #{dir}\n") + if target + f = "$(DLLIB)" + dest = "#{dir}/#{f}" + mfile.print "install-so: #{dest}\n" + unless $extout + mfile.print "#{dest}: #{f}\n" + if (sep = config_string('BUILD_FILE_SEPARATOR')) + f.gsub!("/", sep) + dir.gsub!("/", sep) + sep = ":/="+sep + f.gsub!(/(\$\(\w+)(\))/) {$1+sep+$2} + f.gsub!(/(\$\{\w+)(\})/) {$1+sep+$2} + dir.gsub!(/(\$\(\w+)(\))/) {$1+sep+$2} + dir.gsub!(/(\$\{\w+)(\})/) {$1+sep+$2} + end + mfile.print "\t$(INSTALL_PROG) #{f} #{dir}\n" + if defined?($installed_list) + mfile.print "\t@echo #{dir}/#{File.basename(f)}>>$(INSTALLED_LIST)\n" + end + end + 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"]]], ["", $INSTALLFILES]] + files = install_files(mfile, i, nil, srcprefix) or next + for dir, *files in files + unless dirs.include?(dir) + dirs << dir + mfile.print "pre-install-rb#{sfx}: #{dir}\n" + end + files.each do |f| + dest = "#{dir}/#{File.basename(f)}" + mfile.print("install-rb#{sfx}: #{dest}\n") + mfile.print("#{dest}: #{f}\n\t$(#{$extout ? 'COPY' : 'INSTALL_DATA'}) ") + sep = config_string('BUILD_FILE_SEPARATOR') + if sep + f = f.gsub("/", sep) + sep = ":/="+sep + f = f.gsub(/(\$\(\w+)(\))/) {$1+sep+$2} + f = f.gsub(/(\$\{\w+)(\})/) {$1+sep+$2} + else + sep = "" + end + mfile.print("#{f} $(@D#{sep})\n") + if defined?($installed_list) and !$extout + mfile.print("\t@echo #{dest}>>$(INSTALLED_LIST)\n") + end + end + end + end + dirs.unshift(sodir) if target and !dirs.include?(sodir) + dirs.each {|dir| mfile.print "#{dir}:\n\t$(MAKEDIRS) $@\n"} + + 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 {|ext| ".path.#{ext} = $(VPATH)"} if $nmake == ?b + mfile.print ".SUFFIXES: .#{SRC_EXT.join(' .')} .#{$OBJEXT}\n" + mfile.print "\n" + + CXX_EXT.each do |ext| + COMPILE_RULES.each do |rule| + mfile.printf(rule, ext, $OBJEXT) + mfile.printf("\n\t%s\n\n", COMPILE_CXX) + end + end + %w[c].each do |ext| + COMPILE_RULES.each do |rule| + mfile.printf(rule, ext, $OBJEXT) + mfile.printf("\n\t%s\n\n", COMPILE_C) + end + end + + mfile.print "$(RUBYARCHDIR)/" if $extout + mfile.print "$(DLLIB): ", (makedef ? "$(DEFFILE) " : ""), "$(OBJS)\n" + mfile.print "\t@-$(RM) $@\n" + mfile.print "\t@-$(MAKEDIRS) $(@D)\n" if $extout + link_so = LINK_SO.gsub(/^/, "\t") + mfile.print link_so, "\n\n" + unless $static.nil? + mfile.print "$(STATIC_LIB): $(OBJS)\n\t" + mfile.print "$(AR) #{config_string('ARFLAGS') || 'cru '}$@ $(OBJS)" + config_string('RANLIB') do |ranlib| + mfile.print "\n\t@-#{ranlib} $(DLLIB) 2> /dev/null || true" + end + end + mfile.print "\n\n" + if makedef + mfile.print "$(DEFFILE): #{origdef}\n" + mfile.print "\t$(RUBY) #{makedef} #{origdef} > $@\n\n" + end + + depend = File.join(srcdir, "depend") + if File.exist?(depend) + suffixes = [] + depout = [] + open(depend, "r") do |dfile| + mfile.printf "###\n" + cont = implicit = nil + impconv = proc do + COMPILE_RULES.each {|rule| depout << (rule % implicit[0]) << implicit[1]} + implicit = nil + end + ruleconv = proc do |line| + if implicit + if /\A\t/ =~ line + implicit[1] << line + next + else + impconv[] + end + end + if m = /\A\.(\w+)\.(\w+)(?:\s*:)/.match(line) + suffixes << m[1] << m[2] + implicit = [[m[1], m[2]], [m.post_match]] + next + elsif RULE_SUBST and /\A(?!\s*\w+\s*=)[$\w][^#]*:/ =~ line + line.gsub!(%r"(\s)(?!\.)([^$(){}+=:\s\/\\,]+)(?=\s|\z)") {$1 + RULE_SUBST % $2} + end + depout << line + end + while line = dfile.gets() + line.gsub!(/\.o\b/, ".#{$OBJEXT}") + line.gsub!(/\$\(hdrdir\)\/config.h/, $config_h) if $config_h + if /(?:^|[^\\])(?:\\\\)*\\$/ =~ 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 + end + unless suffixes.empty? + mfile.print ".SUFFIXES: .", suffixes.uniq.join(" ."), "\n\n" + end + mfile.print "$(OBJS): $(RUBY_EXTCONF_H)\n\n" if $extconf_h + mfile.print depout + else + headers = %w[ruby.h defines.h] + if RULE_SUBST + headers.each {|h| h.sub!(/.*/) {|*m| RULE_SUBST % m}} + end + headers << $config_h if $config_h + headers << "$(RUBY_EXTCONF_H)" if $extconf_h + mfile.print "$(OBJS): ", headers.join(' '), "\n" + end + + $makefile_created = true +ensure + mfile.close if mfile +end + +def init_mkmf(config = CONFIG) + $makefile_created = false + $arg_config = [] + $enable_shared = config['ENABLE_SHARED'] == 'yes' + $defs = [] + $extconf_h = nil + $CFLAGS = with_config("cflags", arg_config("CFLAGS", config["CFLAGS"])).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 + $INCFLAGS = "-I$(topdir) -I$(hdrdir) -I$(srcdir)" + $DLDFLAGS = with_config("dldflags", arg_config("DLDFLAGS", config["DLDFLAGS"])).dup + $LIBEXT = config['LIBEXT'].dup + $OBJEXT = config["OBJEXT"].dup + $LIBS = "#{config['LIBS']} #{config['DLDLIBS']}" + $LIBRUBYARG = "" + $LIBRUBYARG_STATIC = config['LIBRUBYARG_STATIC'] + $LIBRUBYARG_SHARED = config['LIBRUBYARG_SHARED'] + $DEFLIBPATH = $extmk ? ["$(topdir)"] : CROSS_COMPILING ? [] : ["$(libdir)"] + $DEFLIBPATH.unshift(".") + $LIBPATH = [] + $INSTALLFILES = nil + + $objs = nil + $srcs = nil + $libs = "" + if $enable_shared or Config.expand(config["LIBRUBY"].dup) != Config.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)} || [] + + $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 + +def mkmf_failed(path) + unless $makefile_created or File.exist?("Makefile") + opts = $arg_config.collect {|t, n| "\t#{t}#{n ? "=#{n}" : ""}\n"} + abort "*** #{path} failed ***\n" + FailedMessage + opts.join + end +end + +init_mkmf + +$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 + +Config::CONFIG["srcdir"] = CONFIG["srcdir"] = + $srcdir = arg_config("--srcdir", File.dirname($0)) +$configure_args["--topsrcdir"] ||= $srcdir +if $curdir = arg_config("--curdir") + Config.expand(curdir = $curdir.dup) +else + curdir = $curdir = "." +end +unless File.expand_path(Config::CONFIG["topdir"]) == File.expand_path(curdir) + CONFIG["topdir"] = $curdir + Config::CONFIG["topdir"] = curdir +end +$configure_args["--topdir"] ||= $curdir +$ruby = arg_config("--ruby", File.join(Config::CONFIG["bindir"], CONFIG["ruby_install_name"])) + +split = Shellwords.method(:shellwords).to_proc + +EXPORT_PREFIX = config_string('EXPORT_PREFIX') {|s| s.strip} + +hdr = [] +config_string('COMMON_MACROS') do |s| + Shellwords.shellwords(s).each do |w| + hdr << "#define " + w.split(/=/, 2).join(" ") + end +end +config_string('COMMON_HEADERS') do |s| + Shellwords.shellwords(s).each {|s| hdr << "#include <#{s}>"} +end +COMMON_HEADERS = hdr.join("\n") +COMMON_LIBS = config_string('COMMON_LIBS', &split) || [] + +COMPILE_RULES = config_string('COMPILE_RULES', &split) || %w[.%s.%s:] +RULE_SUBST = config_string('RULE_SUBST') +COMPILE_C = config_string('COMPILE_C') || '$(CC) $(INCFLAGS) $(CPPFLAGS) $(CFLAGS) -c $<' +COMPILE_CXX = config_string('COMPILE_CXX') || '$(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) -c $<' +TRY_LINK = config_string('TRY_LINK') || + "$(CC) #{OUTFLAG}conftest $(INCFLAGS) $(CPPFLAGS) " \ + "$(CFLAGS) $(src) $(LIBPATH) $(LDFLAGS) $(ARCH_FLAG) $(LOCAL_LIBS) $(LIBS)" +LINK_SO = config_string('LINK_SO') || + if CONFIG["DLEXT"] == $OBJEXT + "ld $(DLDFLAGS) -r -o $@ $(OBJS)\n" + else + "$(LDSHARED) #{OUTFLAG}$@ $(OBJS) " \ + "$(LIBPATH) $(DLDFLAGS) $(LOCAL_LIBS) $(LIBS)" + end +LIBPATHFLAG = config_string('LIBPATHFLAG') || ' -L"%s"' +RPATHFLAG = config_string('RPATHFLAG') || '' +LIBARG = config_string('LIBARG') || '-l%s' + +sep = config_string('BUILD_FILE_SEPARATOR') {|sep| ":/=#{sep}" if sep != "/"} || "" +CLEANINGS = " +clean: + @-$(RM) $(CLEANLIBS#{sep}) $(CLEANOBJS#{sep}) $(CLEANFILES#{sep}) + +distclean: clean + @-$(RM) Makefile $(RUBY_EXTCONF_H) conftest.* mkmf.log + @-$(RM) core ruby$(EXEEXT) *~ $(DISTCLEANFILES#{sep}) + +realclean: distclean +" + +if not $extmk and /\A(extconf|makefile).rb\z/ =~ File.basename($0) + END {mkmf_failed($0)} +end |