# module to create Makefile for extension modules
# invoke like: ruby -r mkmf extconf.rb
require 'rbconfig'
require 'find'
require 'shellwords'
CONFIG = Config::MAKEFILE_CONFIG
ORIG_LIBPATH = ENV['LIB']
SRC_EXT = ["c", "cc", "m", "cxx", "cpp", "C"]
unless defined? $configure_args
$configure_args = {}
for arg in Shellwords.shellwords(CONFIG["configure_args"])
arg, val = arg.split('=', 2)
if arg.sub!(/^(?!--)/, '--')
val or next
arg.downcase!
end
next if /^--(?:top|topsrc|src|cur)dir$/ =~ arg
$configure_args[arg] = val || true
end
for arg in ARGV
arg, val = arg.split('=', 2)
if arg.sub!(/^(?!--)/, '--')
val or next
arg.downcase!
end
$configure_args[arg] = val || true
end
end
$srcdir = CONFIG["srcdir"]
$libdir = CONFIG["libdir"]
$rubylibdir = CONFIG["rubylibdir"]
$archdir = CONFIG["archdir"]
$sitedir = CONFIG["sitedir"]
$sitelibdir = CONFIG["sitelibdir"]
$sitearchdir = CONFIG["sitearchdir"]
if File.exist? Config::CONFIG["archdir"] + "/ruby.h"
$hdrdir = $archdir
elsif File.exist? $srcdir + "/ruby.h"
$hdrdir = $srcdir
else
STDERR.print "can't find header files for ruby.\n"
exit 1
end
$topdir = $hdrdir
# $hdrdir.gsub!('/', '\\') if RUBY_PLATFORM =~ /mswin32/
CFLAGS = CONFIG["CFLAGS"]
if RUBY_PLATFORM == "m68k-human"
CFLAGS.gsub!(/-c..-stack=[0-9]+ */, '')
elsif RUBY_PLATFORM =~ /-nextstep|-rhapsody|-darwin/
CFLAGS.gsub!( /-arch\s\w*/, '' )
end
if /mswin32/ =~ RUBY_PLATFORM
OUTFLAG = '-Fe'
else
OUTFLAG = '-o '
end
LINK = "#{CONFIG['CC']} #{OUTFLAG}conftest -I#{$hdrdir} #{CFLAGS} %s %s #{CONFIG['LDFLAGS']} %s conftest.c %s %s #{CONFIG['LIBS']}"
CC = "#{CONFIG['CC']} -c #{CONFIG['CPPFLAGS']} %s -I#{$hdrdir} #{CFLAGS} %s %s conftest.c"
CPP = "#{CONFIG['CPP']} -E %s -I#{$hdrdir} #{CFLAGS} %s %s conftest.c"
def rm_f(*files)
targets = []
for file in files
targets.concat Dir[file]
end
if not targets.empty?
File::chmod(0777, *targets)
File::unlink(*targets)
end
end
module Logging
@log = nil
@logfile = 'mkmf.log'
@orgerr = $stderr.dup
@orgout = $stdout.dup
def self::open
@log ||= File::open(@logfile, 'w')
$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.printf(*s)
end
def self::logfile file
@logfile = file
if @log and not @log.closed?
@log.close
@log = nil
end
end
end
def xsystem command
Config.expand(command)
Logging::open do
puts command
$stdout.flush
system(command)
end
end
def xpopen command, *mode, &block
Config.expand(command)
Logging::open do
case mode[0]
when nil, /^r/
puts "#{command} |"
else
puts "| #{command}"
end
IO.popen(command, *mode, &block)
end
end
def try_link0(src, opt="")
cfile = open("conftest.c", "w")
cfile.print src
cfile.close
ldflags = $LDFLAGS
if /mswin32/ =~ RUBY_PLATFORM and !$LIBPATH.empty?
ENV['LIB'] = ($LIBPATH + [ORIG_LIBPATH]).compact.join(';')
else
$LDFLAGS = ldflags.dup
$LIBPATH.each {|d| $LDFLAGS << " -L" + d}
end
begin
xsystem(format(LINK, $CFLAGS, $CPPFLAGS, $LDFLAGS, opt, $LOCAL_LIBS))
ensure
$LDFLAGS = ldflags
ENV['LIB'] = ORIG_LIBPATH if /mswin32/ =~ RUBY_PLATFORM
end
end
def try_link(src, opt="")
begin
try_link0(src, opt)
ensure
rm_f "conftest*"
end
end
def try_compile(src, opt="")
cfile = open("conftest.c", "w")
cfile.print src
cfile.close
begin
xsystem(format(CC, $CPPFLAGS, $CFLAGS, opt))
ensure
rm_f "conftest*"
end
end
def try_cpp(src, opt="")
cfile = open("conftest.c", "w")
cfile.print src
cfile.close
begin
xsystem(format(CPP, $CPPFLAGS, $CFLAGS, opt))
ensure
rm_f "conftest*"
end
end
def egrep_cpp(pat, src, opt="")
cfile = open("conftest.c", "w")
cfile.print src
cfile.close
begin
xpopen(format(CPP, $CFLAGS, $CPPFLAGS, opt)) do |f|
if Regexp === pat
puts(" ruby -ne 'print if /#{pat.source}/'")
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
$stdin.reopen(stdin)
end
end
end
ensure
rm_f "conftest*"
end
end
def try_run(src, opt="")
begin
if try_link0(src, opt)
if xsystem("./conftest")
true
else
false
end
else
nil
end
ensure
rm_f "conftest*"
end
end
def append_library(libs, lib)
if /mswin32/ =~ RUBY_PLATFORM
lib + ".lib " + libs
else
"-l" + lib + " " + libs
end
end
def have_library(lib, func="main")
printf "checking for %s() in -l%s... ", func, lib
STDOUT.flush
if func && func != ""
libs = append_library($libs, lib)
if /mswin32|mingw/ =~ RUBY_PLATFORM
if lib == 'm'
print "yes\n"
return true
end
r = try_link(<<"SRC", libs)
#include <windows.h>
#include <winsock.h>
int main() { return 0; }
int t() { #{func}(); return 0; }
SRC
unless r
r = try_link(<<"SRC", libs)
#include <windows.h>
#include <winsock.h>
int main() { return 0; }
int t() { void ((*p)()); p = (void ((*)()))#{func}; return 0; }
SRC
end
else
r = try_link(<<"SRC", libs)
int main() { return 0; }
int t() { #{func}(); return 0; }
SRC
end
unless r
print "no\n"
return false
end
else
libs = append_library($libs, lib)
end
$libs = libs
print "yes\n"
return true
end
def find_library(lib, func, *paths)
printf "checking for %s() in -l%s... ", func, lib
STDOUT.flush
libpath = $LIBPATH
libs = append_library($libs, lib)
until try_link(<<"SRC", libs)
int main() { return 0; }
int t() { #{func}(); return 0; }
SRC
if paths.size == 0
$LIBPATH = libpath
print "no\n"
return false
end
$LIBPATH = libpath | [paths.shift]
end
$libs = libs
print "yes\n"
return true
end
def have_func(func, header=nil)
printf "checking for %s()... ", func
STDOUT.flush
libs = $libs
src =
if /mswin32|mingw/ =~ RUBY_PLATFORM
r = <<"SRC"
#include <windows.h>
#include <winsock.h>
SRC
else
""
end
unless header.nil?
src << <<"SRC"
#include <#{header}>
SRC
end
r = try_link(src + <<"SRC", libs)
int main() { return 0; }
int t() { #{func}(); return 0; }
SRC
unless r
r = try_link(src + <<"SRC", libs)
int main() { return 0; }
int t() { void ((*volatile p)()); p = (void ((*)()))#{func}; return 0; }
SRC
end
unless r
print "no\n"
return false
end
$defs.push(format("-DHAVE_%s", func.upcase))
print "yes\n"
return true
end
def have_header(header)
printf "checking for %s... ", header
STDOUT.flush
unless try_cpp(<<"SRC")
#include <#{header}>
SRC
print "no\n"
return false
end
header.tr!("a-z./\055", "A-Z___")
$defs.push(format("-DHAVE_%s", header))
print "yes\n"
return true
end
def arg_config(config, default=nil)
$configure_args.fetch(config, default)
end
def with_config(config, default=nil)
unless /^--with-/ =~ config
config = '--with-' + config
end
arg_config(config, default)
end
def enable_config(config, default=nil)
if arg_config("--enable-"+config)
true
elsif arg_config("--disable-"+config)
false
else
default
end
end
def create_header()
print "creating extconf.h\n"
STDOUT.flush
if $defs.length > 0
hfile = open("extconf.h", "w")
for line in $defs
line =~ /^-D(.*)/
hfile.printf "#define %s 1\n", $1
end
hfile.close
end
end
def dir_config(target, idefault=nil, ldefault=nil)
if dir = with_config(target + "-dir", (idefault unless ldefault))
idefault = dir + "/include"
ldefault = dir + "/lib"
end
idir = with_config(target + "-include", idefault)
ldir = with_config(target + "-lib", ldefault)
if idir
idircflag = "-I" + idir
$CPPFLAGS += " " + idircflag unless $CPPFLAGS.split.include?(idircflag)
end
if ldir
$LIBPATH << ldir unless $LIBPATH.include?(ldir)
end
[idir, ldir]
end
def with_destdir(dir)
/^\$[\(\{]/ =~ dir ? dir : "$(DESTDIR)"+dir
end
def install_dllib(mfile, target, site = false)
if site
dir = "$(sitearchdir)"
install = "site-install"
else
dir = "$(archdir)"
install = "install"
end
mfile.print target ? <<EOMF : <<EOMF
#{install}: #{dir}$(target_prefix)/$(DLLIB)
#{dir}$(target_prefix)/$(DLLIB): $(DLLIB)
@$(RUBY) -r ftools -e 'File::makedirs(*ARGV)' #{dir}$(target_prefix)
@$(RUBY) -r ftools -e 'File::install(ARGV[0], ARGV[1], 0755, true)' $(DLLIB) #{dir}$(target_prefix)/$(DLLIB)
EOMF
#{install}: Makefile
EOMF
end
def install_rb(mfile, dest, srcdir = nil)
libdir = "lib"
libdir = srcdir + "/" + libdir if srcdir
path = []
dir = []
if File.directory? libdir
Find.find(libdir) do |f|
next unless /\.rb$/ =~ f
f = f[libdir.length+1..-1]
path.push f
dir |= [File.dirname(f)]
end
end
for f in dir
if f == "."
mfile.printf "\t@$(RUBY) -r ftools -e 'File::makedirs(*ARGV)' %s\n", dest
else
mfile.printf "\t@$(RUBY) -r ftools -e 'File::makedirs(*ARGV)' %s/%s\n", dest, f
end
end
for f in path
d = '/' + File::dirname(f)
d = '' if d == '/.'
mfile.printf "\t@$(RUBY) -r ftools -e 'File::install(ARGV[0], ARGV[1], 0644, true)' %s/%s %s%s\n", libdir, f, dest, d
end
end
def create_makefile(target, srcdir = $srcdir)
save_libs = $libs.dup
save_libpath = $LIBPATH.dup
print "creating Makefile\n"
rm_f "conftest*"
STDOUT.flush
if target.include?('/')
target_prefix, target = File.split(target)
target_prefix[0,0] = '/'
else
target_prefix = ""
end
if CONFIG["DLEXT"] == $OBJEXT
libs = $libs.split
for lib in libs
lib.sub!(/-l(.*)/, '"lib\1.a"')
end
$defs.push(format("-DEXTLIB='%s'", libs.join(",")))
end
$DLDFLAGS = CONFIG["DLDFLAGS"]
$libs = CONFIG["LIBRUBYARG"] + " " + $libs + " " + CONFIG["LIBS"]
$configure_args['--enable-shared'] or $LIBPATH |= ["$(topdir)"]
$LIBPATH |= [CONFIG["libdir"]]
unless $objs then
$objs = []
for f in Dir[File.join(srcdir, "*.{#{SRC_EXT.join(%q{,})}}")]
f = File.basename(f)
f.sub!(/(#{SRC_EXT.join(%q{|})})$/, $OBJEXT)
$objs.push f
end
else
for i in $objs
i.sub!(/\.o\z/, ".#{$OBJEXT}")
end
end
$objs = $objs.join(" ")
target = nil if $objs == ""
srcdir ||= '.'
defflag = ''
if target and RUBY_PLATFORM =~ /cygwin|mingw/
deffile = target + '.def'
if not File.exist? deffile
if File.exist? File.join srcdir, deffile
deffile = File.join srcdir, deffile
else
open(deffile, 'wb') do |f|
f.print "EXPORTS\n", "Init_", target, "\n"
end
end
end
defflag = "--def=" + deffile
end
if RUBY_PLATFORM =~ /mswin32/
libpath = $LIBPATH.join(';')
else
$LIBPATH.each {|d| $DLDFLAGS << " -L" << d}
if /netbsdelf/ =~ RUBY_PLATFORM
$LIBPATH.each {|d| $DLDFLAGS << " -Wl,-R" + d}
end
end
drive = File::PATH_SEPARATOR == ';' ? /\A\w:/ : /\A/
dllib = target ? "$(TARGET).#{CONFIG['DLEXT']}" : ""
mfile = open("Makefile", "w")
mfile.binmode if /mingw/ =~ RUBY_PLATFORM
mfile.print <<EOMF
SHELL = /bin/sh
#### Start of system configuration section. ####
srcdir = #{srcdir}
topdir = #{$topdir}
hdrdir = #{$hdrdir}
VPATH = $(srcdir)
CC = #{CONFIG["CC"]}
CFLAGS = #{CONFIG["CCDLFLAGS"]} #{CFLAGS} #{$CFLAGS}
CPPFLAGS = -I. -I$(hdrdir) -I$(srcdir) #{$defs.join(" ")} #{CONFIG["CPPFLAGS"]} #{$CPPFLAGS}
CXXFLAGS = $(CFLAGS)
DLDFLAGS = #{$DLDFLAGS} #{$LDFLAGS}
LDSHARED = #{CONFIG["LDSHARED"]} #{defflag}
LIBPATH = #{libpath}
RUBY_INSTALL_NAME = #{CONFIG["RUBY_INSTALL_NAME"]}
RUBY_SO_NAME = #{CONFIG["RUBY_SO_NAME"]}
arch = #{CONFIG["arch"]}
ruby_version = #{Config::CONFIG["ruby_version"]}
#{
if destdir = CONFIG["prefix"].scan(drive)[0] and !destdir.empty?
"\nDESTDIR = " + destdir
else
""
end
}
prefix = #{with_destdir CONFIG["prefix"].sub(drive, '')}
exec_prefix = #{with_destdir CONFIG["exec_prefix"].sub(drive, '')}
libdir = #{with_destdir $libdir.sub(drive, '')}
rubylibdir = #{with_destdir $rubylibdir.sub(drive, '')}
archdir = #{with_destdir $archdir.sub(drive, '')}
sitedir = #{with_destdir $sitedir.sub(drive, '')}
sitelibdir = #{with_destdir $sitelibdir.sub(drive, '')}
sitearchdir = #{with_destdir $sitearchdir.sub(drive, '')}
target_prefix = #{target_prefix}
#### End of system configuration section. ####
LOCAL_LIBS = #{$LOCAL_LIBS} #{$local_flags}
LIBS = #{$libs}
OBJS = #{$objs}
TARGET = #{target}
DLLIB = #{dllib}
RUBY = #{CONFIG["ruby_install_name"]}
RM = $(RUBY) -rftools -e "File::rm_f(*ARGV.map do|x|Dir[x]end.flatten.uniq)"
EXEEXT = #{CONFIG["EXEEXT"]}
all: #{target ? "$(DLLIB)" : "Makefile"}
clean:; @$(RM) *.#{$OBJEXT} *.so *.sl *.a $(DLLIB)
@$(RM) $(TARGET).lib $(TARGET).exp $(TARGET).ilk *.pdb $(CLEANFILES)
distclean: clean
@$(RM) Makefile extconf.h conftest.* mkmf.log
@$(RM) core ruby$(EXEEXT) *~ $(DISTCLEANFILES)
realclean: distclean
EOMF
install_dllib(mfile, target)
install_rb(mfile, "$(rubylibdir)$(target_prefix)", srcdir)
mfile.printf "\n"
install_dllib(mfile, target, :site)
install_rb(mfile, "$(sitelibdir)$(target_prefix)", srcdir)
mfile.printf "\n"
return unless target
mfile.print ".SUFFIXES: .#{SRC_EXT.join(' .')} .#{$OBJEXT}\n"
if /mswin32/ !~ RUBY_PLATFORM
mfile.print "
.c.#{$OBJEXT}:
$(CC) $(CFLAGS) $(CPPFLAGS) -c -o $@ $<
.cc.#{$OBJEXT}:
$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c -o $@ $<
.cpp.#{$OBJEXT}:
$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c -o $@ $<
.cxx.#{$OBJEXT}:
$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c -o $@ $<
.C.#{$OBJEXT}:
$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c -o $@ $<
"
elsif /nmake/i =~ $make
mfile.print "
{$(srcdir)}.c.#{$OBJEXT}:
$(CC) $(CFLAGS) -I$(<D) $(CPPFLAGS) -c $(<:/=\\)
.c.#{$OBJEXT}:
$(CC) $(CFLAGS) -I$(<D) $(CPPFLAGS) -c $(<:/=\\)
{$(srcdir)}.cc{}.#{$OBJEXT}:
$(CXX) -I. -I$(<D) $(CXXFLAGS) $(CPPFLAGS) -c $(<:/=\\)
.cc.#{$OBJEXT}:
$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c $(<:/=\\)
{$(srcdir)}.cpp{}.#{$OBJEXT}:
$(CXX) -I. -I$(<D) $(CXXFLAGS) $(CPPFLAGS) -c $(<:/=\\)
.cpp.#{$OBJEXT}:
$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c $(<:/=\\)
{$(srcdir)}.cxx{}.#{$OBJEXT}:
$(CXX) -I. -I$(<D) $(CXXFLAGS) $(CPPFLAGS) -c $(<:/=\\)
.cxx.#{$OBJEXT}:
$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c $(<:/=\\)
"
else
mfile.print "
.c.#{$OBJEXT}:
$(CC) $(CFLAGS) $(CPPFLAGS) -c $(subst /,\\\\,$<)
.cc.#{$OBJEXT} .cpp.#{$OBJEXT} .cxx.#{$OBJEXT} .C.#{$OBJEXT}:
$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c $(subst /,\\\\,$<)
"
end
if CONFIG["DLEXT"] != $OBJEXT
mfile.print "$(DLLIB): $(OBJS)\n"
if /mswin32/ =~ RUBY_PLATFORM
if /nmake/i =~ $make
mfile.print "\tset LIB=$(LIBPATH:/=\\);$(LIB)\n"
else
mfile.print "\tenv LIB='$(subst /,\\\\,$(LIBPATH));$(LIB)' \\\n"
end
end
mfile.print "\t$(LDSHARED) $(DLDFLAGS) #{OUTFLAG}$(DLLIB) $(OBJS) $(LIBS) $(LOCAL_LIBS)\n"
elsif not File.exist?(target + ".c") and not File.exist?(target + ".cc")
mfile.print "$(DLLIB): $(OBJS)\n"
case RUBY_PLATFORM
when "m68k-human"
mfile.printf "ar cru $(DLLIB) $(OBJS)\n"
else
mfile.printf "ld $(DLDFLAGS) -r -o $(DLLIB) $(OBJS)\n"
end
end
depend = File.join(srcdir, "depend")
if File.exist?(depend)
dfile = open(depend, "r")
mfile.printf "###\n"
while line = dfile.gets()
line.gsub!(/\.o\b/, ".#{$OBJEXT}")
line.gsub!(/(\s)([^\s\/]+\.[ch])/, '\1{$(srcdir)}\2') if /nmake/i =~ $make
mfile.printf "%s", line
end
dfile.close
end
ensure
mfile.close
$libs = save_libs
$LIBPATH = save_libpath
end
$OBJEXT = CONFIG["OBJEXT"]
$objs = nil
$libs = CONFIG["DLDLIBS"]
$local_flags = ""
case RUBY_PLATFORM
when /mswin32/
$local_flags = "-link /INCREMENTAL:no /EXPORT:Init_$(TARGET)"
end
$LOCAL_LIBS = ""
$defs = []
$make = with_config("make-prog", ENV["MAKE"] || "make")
$CFLAGS = with_config("cflags", arg_config("CFLAGS", ""))
$CPPFLAGS = with_config("cppflags", arg_config("CPPFLAGS", ""))
$LDFLAGS = with_config("ldflags", arg_config("LDFLAGS", ""))
$LIBPATH = []
dir_config("opt")
$srcdir = arg_config("--srcdir", File.dirname($0))
$configure_args["--topsrcdir"] ||= $srcdir
$curdir = arg_config("--curdir", Dir.pwd)
$configure_args["--topdir"] ||= $curdir