summaryrefslogtreecommitdiff
path: root/lib/mkmf.rb
diff options
context:
space:
mode:
Diffstat (limited to 'lib/mkmf.rb')
-rw-r--r--lib/mkmf.rb111
1 files changed, 86 insertions, 25 deletions
diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index 92af95d423..37ee4a70d9 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -40,10 +40,27 @@ class Array # :nodoc:
end
##
-# mkmf.rb is used by Ruby C extensions to generate a Makefile which will
+# \Module \MakeMakefile 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
+
+ target_rbconfig = nil
+ ARGV.delete_if do |arg|
+ opt = arg.delete_prefix("--target-rbconfig=")
+ unless opt == arg
+ target_rbconfig = opt
+ end
+ end
+ if target_rbconfig
+ # Load the RbConfig for the target platform into this module.
+ # Cross-compiling needs the same version of Ruby.
+ Kernel.load target_rbconfig, self
+ else
+ # The RbConfig for the target platform where the built extension runs.
+ RbConfig = ::RbConfig
+ end
+
#### defer until this module become global-state free.
# def self.extended(obj)
# obj.init_mkmf
@@ -402,7 +419,7 @@ MESSAGE
# disable ASAN leak reporting - conftest programs almost always don't bother
# to free their memory.
- envs['ASAN_OPTIONS'] = "detect_leaks=0" unless ENV.key?('ASAN_OPTIONS')
+ envs['LSAN_OPTIONS'] = "detect_leaks=0" unless ENV.key?('LSAN_OPTIONS')
return envs, expand[commands]
end
@@ -556,24 +573,30 @@ MSG
conf)
end
- def cpp_command(outfile, opt="")
+ def cpp_config(opt)
conf = cc_config(opt)
if $universal and (arch_flag = conf['ARCH_FLAG']) and !arch_flag.empty?
conf['ARCH_FLAG'] = arch_flag.gsub(/(?:\G|\s)-arch\s+\S+/, '')
end
+ conf
+ end
+
+ def cpp_command(outfile, opt="")
+ conf = cpp_config(opt)
RbConfig::expand("$(CPP) #$INCFLAGS #$CPPFLAGS #$CFLAGS #{opt} #{CONFTEST_C} #{outfile}",
conf)
end
def libpathflag(libpath=$DEFLIBPATH|$LIBPATH)
+ libpathflags = nil
libpath.map{|x|
case x
when "$(topdir)", /\A\./
LIBPATHFLAG
else
- LIBPATHFLAG+RPATHFLAG
+ libpathflags ||= [LIBPATHFLAG, RPATHFLAG].grep(/\S/).join(" ")
end % x.quote
- }.join
+ }.join(" ")
end
def werror_flag(opt = nil)
@@ -586,9 +609,9 @@ MSG
yield(opt, opts)
end
- def try_link0(src, opt = "", **opts, &b) # :nodoc:
+ def try_link0(src, opt = "", ldflags: "", **opts, &b) # :nodoc:
exe = CONFTEST+$EXEEXT
- cmd = link_command("", opt)
+ cmd = link_command(ldflags, opt)
if $universal
require 'tmpdir'
Dir.mktmpdir("mkmf_", oldtmpdir = ENV["TMPDIR"]) do |tmpdir|
@@ -732,7 +755,7 @@ MSG
# :nodoc:
def try_ldflags(flags, werror: $mswin, **opts)
- try_link(MAIN_DOES_NOTHING, flags, werror: werror, **opts)
+ try_link(MAIN_DOES_NOTHING, "", ldflags: flags, werror: werror, **opts)
end
# :startdoc:
@@ -842,7 +865,7 @@ int main() {printf("%"PRI_CONFTEST_PREFIX"#{neg ? 'd' : 'u'}\\n", conftest_const
v
}
unless strvars.empty?
- prepare << "char " << strvars.map {|v| "#{v}[1024]"}.join(", ") << "; "
+ prepare << "char " << strvars.map {|v| %[#{v}[1024] = ""]}.join(", ") << "; "
end
when nil
call = ""
@@ -908,20 +931,12 @@ SRC
xpopen(cpp_command('', opt)) do |f|
if Regexp === pat
puts(" ruby -ne 'print if #{pat.inspect}'")
- f.grep(pat) {|l|
+ !f.grep(pat) {|l|
puts "#{f.lineno}: #{l}"
- return true
- }
- false
+ }.empty?
else
puts(" egrep '#{pat}'")
- begin
- stdin = $stdin.dup
- $stdin.reopen(f)
- system("egrep", pat)
- ensure
- $stdin.reopen(stdin)
- end
+ system("egrep", pat, in: f)
end
end
ensure
@@ -1950,7 +1965,7 @@ SRC
if pkgconfig = with_config("#{pkg}-config") and find_executable0(pkgconfig)
# if and only if package specific config command is given
elsif ($PKGCONFIG ||=
- (pkgconfig = with_config("pkg-config") {config_string("PKG_CONFIG") || "pkg-config"}) &&
+ (pkgconfig = with_config("pkg-config") {config_string("PKG_CONFIG") || ENV["PKG_CONFIG"] || "pkg-config"}) &&
find_executable0(pkgconfig) && pkgconfig) and
xsystem([*envs, $PKGCONFIG, "--exists", pkg])
# default to pkg-config command
@@ -1966,7 +1981,20 @@ SRC
opts = Array(opts).map { |o| "--#{o}" }
opts = xpopen([*envs, pkgconfig, *opts, *args], err:[:child, :out], &:read)
Logging.open {puts opts.each_line.map{|s|"=> #{s.inspect}"}}
- opts.strip if $?.success?
+ if $?.success?
+ opts = opts.strip
+ libarg, libpath = LIBARG, LIBPATHFLAG.strip
+ opts = opts.shellsplit.map { |s|
+ if s.start_with?('-l')
+ libarg % s[2..]
+ elsif s.start_with?('-L')
+ libpath % s[2..]
+ else
+ s
+ end
+ }.quote.join(" ")
+ opts
+ end
}
end
orig_ldflags = $LDFLAGS
@@ -2350,6 +2378,19 @@ RULES
# directory, i.e. the current directory. It is included as part of the
# +VPATH+ and added to the list of +INCFLAGS+.
#
+ # Yields the configuration part of the makefile to be generated, as an array
+ # of strings, if the block is given. The returned value will be used the
+ # new configuration part.
+ #
+ # create_makefile('foo') {|conf|
+ # [
+ # *conf,
+ # "MACRO_YOU_NEED = something",
+ # ]
+ # }
+ #
+ # If "depend" file exist in the source directory, that content will be
+ # included in the generated makefile, with formatted by depend_rules method.
def create_makefile(target, srcprefix = nil)
$target = target
libpath = $DEFLIBPATH|$LIBPATH
@@ -2466,16 +2507,19 @@ TIMESTAMP_DIR = #{$extout && $extmk ? '$(extout)/.timestamp' : '.'}
sodir = $extout ? '$(TARGET_SO_DIR)' : '$(RUBYARCHDIR)'
n = '$(TARGET_SO_DIR)$(TARGET)'
cleanobjs = ["$(OBJS)"]
+ cleanlibs = []
if $extmk
%w[bc i s].each {|ex| cleanobjs << "$(OBJS:.#{$OBJEXT}=.#{ex})"}
end
if target
config_string('cleanobjs') {|t| cleanobjs << t.gsub(/\$\*/, "$(TARGET)#{deffile ? '-$(arch)': ''}")}
+ cleanlibs << '$(TARGET_SO)'
end
+ config_string('cleanlibs') {|t| cleanlibs << t.gsub(/\$\*/) {n}}
conf << "\
TARGET_SO_DIR =#{$extout ? " $(RUBYARCHDIR)/" : ''}
TARGET_SO = $(TARGET_SO_DIR)$(DLLIB)
-CLEANLIBS = #{'$(TARGET_SO) ' if target}#{config_string('cleanlibs') {|t| t.gsub(/\$\*/) {n}}}
+CLEANLIBS = #{cleanlibs.join(' ')}
CLEANOBJS = #{cleanobjs.join(' ')} *.bak
TARGET_SO_DIR_TIMESTAMP = #{timestamp_file(sodir, target_prefix)}
" #"
@@ -2547,7 +2591,7 @@ static: #{$extmk && !$static ? "all" : %[$(STATIC_LIB)#{$extout ? " install-rb"
dest = "#{dir}/#{File.basename(f)}"
mfile.print("do-install-rb#{sfx}: #{dest}\n")
mfile.print("#{dest}: #{f} #{timestamp_file(dir, target_prefix)}\n")
- mfile.print("\t$(Q) $(#{$extout ? 'COPY' : 'INSTALL_DATA'}) #{f} $(@D)\n")
+ mfile.print("\t$(Q) $(#{$extout ? 'COPY' : 'INSTALL_DATA'}) #{f} $@\n")
if defined?($installed_list) and !$extout
mfile.print("\t@echo #{dest}>>$(INSTALLED_LIST)\n")
end
@@ -2889,7 +2933,7 @@ MESSAGE
##
# Argument which will add a library path to the linker
- LIBPATHFLAG = config_string('LIBPATHFLAG') || ' -L%s'
+ LIBPATHFLAG = config_string('LIBPATHFLAG') || '-L%s'
##
# Argument which will add a runtime library path to the linker
@@ -2986,15 +3030,32 @@ realclean: distclean
def cc_command(opt="")
conf = cc_config(opt)
+ cxx_command(opt, conf)
RbConfig::expand("$(CXX) #$INCFLAGS #$CPPFLAGS #$CXXFLAGS #$ARCH_FLAG #{opt} -c #{CONFTEST_CXX}",
conf)
end
+ def cpp_command(outfile, opt="")
+ conf = cpp_config(opt)
+ cxx = cxx_command(opt, conf)
+ cpp = conf['CPP'].sub(/(\A|\s)#{Regexp.quote(conf['CC'])}(?=\z|\s)/) {
+ "#$1#{cxx}"
+ }
+ RbConfig::expand("#{cpp} #$INCFLAGS #$CPPFLAGS #$CXXFLAGS #{opt} #{CONFTEST_CXX} #{outfile}",
+ conf)
+ end
+
def link_command(ldflags, *opts)
conf = link_config(ldflags, *opts)
RbConfig::expand(TRY_LINK_CXX.dup, conf)
end
+ def cxx_command(opt="", conf = cc_config(opt))
+ cxx = conf['CXX']
+ raise Errno::ENOENT, "C++ compiler not found" if !cxx or cxx == 'false'
+ cxx
+ end
+
# :startdoc:
end
generated by cgit v1.2.3 (git 2.25.1) at 2026-06-05 02:06:31 +0000