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ruby--ruby/lib/mkmf.rb
knu 9e214f30c4 * ext/extmk.rb.in, lib/mkmf.rb: introduce a couple of new make
variables: CLEANFILES and DISTCLEANFILES.  They'd typically be
  defined in a file "depend".


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@1640 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2001-07-22 12:24:12 +00:00

603 lines
14 KiB
Ruby

# module to create Makefile for extension modules
# invoke like: ruby -r mkmf extconf.rb
require 'rbconfig'
require 'find'
CONFIG = Config::MAKEFILE_CONFIG
ORIG_LIBPATH = ENV['LIB']
SRC_EXT = ["c", "cc", "m", "cxx", "cpp", "C"]
$config_cache = CONFIG["compile_dir"]+"/ext/config.cache"
$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
$log = open('mkmf.log', 'w')
if /mswin32/ =~ RUBY_PLATFORM
OUTFLAG = '-Fe'
else
OUTFLAG = '-o '
end
LINK = "#{CONFIG['CC']} #{OUTFLAG}conftest -I#{$hdrdir} #{CFLAGS} -I#{CONFIG['includedir']} %s %s #{CONFIG['LDFLAGS']} %s conftest.c %s %s #{CONFIG['LIBS']}"
CPP = "#{CONFIG['CPP']} -E %s -I#{$hdrdir} #{CFLAGS} -I#{CONFIG['includedir']} %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
$orgerr = $stderr.dup
$orgout = $stdout.dup
def xsystem command
Config.expand(command)
if $DEBUG
puts command
return system(command)
end
$stderr.reopen($log)
$stdout.reopen($log)
puts command
r = system(command)
$stderr.reopen($orgerr)
$stdout.reopen($orgout)
return r
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_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
xsystem(format(CPP+"|egrep #{pat}", $CPPFLAGS, $CFLAGS, opt))
ensure
rm_f "conftest*"
end
end
def try_run(src, opt="")
begin
if try_link0(src, opt)
if xsystem("./conftest")
true
else
false
end
else
nil
end
ensure
rm_f "conftest*"
end
end
def install_rb(mfile, dest, srcdir = nil)
libdir = "lib"
libdir = srcdir + "/" + libdir if srcdir
path = []
dir = []
if File.directory? libdir
Find.find(libdir) do |f|
next unless /\.rb$/ =~ f
f = f[libdir.length+1..-1]
path.push f
dir |= [File.dirname(f)]
end
end
for f in dir
next if f == "."
mfile.printf "\t@$(RUBY) -r ftools -e 'File::makedirs(*ARGV)' %s/%s\n", dest, f
end
for f in path
d = '/' + File::dirname(f)
d = '' if d == '/.'
mfile.printf "\t@$(RUBY) -r ftools -e 'File::install(ARGV[0], ARGV[1], 0644, true)' %s/%s %s%s\n", libdir, f, dest, d
end
end
def 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($libs, lib)
if /mswin32|mingw/ =~ RUBY_PLATFORM
r = try_link(<<"SRC", libs)
#include <windows.h>
#include <winsock.h>
int main() { return 0; }
int t() { #{func}(); return 0; }
SRC
unless r
r = try_link(<<"SRC", libs)
#include <windows.h>
#include <winsock.h>
int main() { return 0; }
int t() { void ((*p)()); p = (void ((*)()))#{func}; return 0; }
SRC
end
else
r = try_link(<<"SRC", libs)
int main() { return 0; }
int t() { #{func}(); return 0; }
SRC
end
unless r
print "no\n"
return false
end
else
libs = append_library($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 ((*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
$defs.push(format("-DHAVE_%s", header.tr("a-z./\055", "A-Z___")))
print "yes\n"
return true
end
def arg_config(config, default=nil)
unless defined? $configure_args
$configure_args = {}
for arg in CONFIG["configure_args"].split + ARGV
next unless /^--/ =~ arg
if /=/ =~ arg
$configure_args[$`] = $'
else
$configure_args[arg] = true
end
end
end
$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, default)
true
elsif arg_config("--disable-"+config, false)
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 idefault && ldefault == nil
default = idefault
idefault = default + "/include"
ldefault = default + "/lib"
end
dir = with_config(target + "-dir", default)
idir, ldir = if dir then [
dir + "/include",
dir + "/lib"
] else [
with_config(target + "-include", idefault),
with_config(target + "-lib", ldefault)
] end
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 create_makefile(target, srcdir = File.dirname($0))
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
$configure_args['--enable-shared'] or $LIBPATH |= [$topdir]
$LIBPATH |= [CONFIG["libdir"]]
defflag = ''
if RUBY_PLATFORM =~ /cygwin|mingw/
if not File.exist? target + '.def'
open(target + '.def', 'wb') do |f|
f.print "EXPORTS\n", "Init_", target, "\n"
end
end
defflag = "--def=" + target + ".def"
end
if RUBY_PLATFORM =~ /mswin32/
libpath = $LIBPATH.join(';')
else
$LIBPATH.each {|d| $DLDFLAGS << " -L" << d}
end
drive = File::PATH_SEPARATOR == ';' ? /\A\w:/ : /\A/
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(" ")
mfile = open("Makefile", "w")
mfile.binmode if /mingw/ =~ RUBY_PLATFORM
mfile.print <<EOMF
SHELL = /bin/sh
#### Start of system configuration section. ####
srcdir = #{srcdir || $srcdir}
topdir = #{$topdir}
hdrdir = #{$hdrdir}
VPATH = $(srcdir)
CC = #{CONFIG["CC"]}
CFLAGS = #{CONFIG["CCDLFLAGS"]} #{CFLAGS} #{$CFLAGS}
CPPFLAGS = -I$(hdrdir) -I#{CONFIG["includedir"]} #{$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 = $(DESTDIR)#{CONFIG["prefix"].sub(drive, '')}
exec_prefix = #{CONFIG["exec_prefix"].sub(drive, '')}
libdir = #{$libdir.sub(drive, '')}
rubylibdir = #{$rubylibdir.sub(drive, '')}
archdir = #{$archdir.sub(drive, '')}
sitedir = #{$sitedir.sub(drive, '')}
sitelibdir = #{$sitelibdir.sub(drive, '')}
sitearchdir = #{$sitearchdir.sub(drive, '')}
target_prefix = #{target_prefix}
#### End of system configuration section. ####
LOCAL_LIBS = #{$LOCAL_LIBS} #{$local_flags}
LIBS = #{$libs}
OBJS = #{$objs}
TARGET = #{target}
DLLIB = $(TARGET).#{CONFIG["DLEXT"]}
RUBY = #{CONFIG["ruby_install_name"]}
RM = $(RUBY) -rftools -e "File::rm_f(*ARGV.map{|x|Dir[x]}.flatten.uniq)"
EXEEXT = #{CONFIG["EXEEXT"]}
all: $(DLLIB)
clean:; @$(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
install: $(archdir)$(target_prefix)/$(DLLIB)
site-install: $(sitearchdir)$(target_prefix)/$(DLLIB)
$(archdir)$(target_prefix)/$(DLLIB): $(DLLIB)
@$(RUBY) -r ftools -e 'File::makedirs(*ARGV)' $(rubylibdir) $(archdir)$(target_prefix)
@$(RUBY) -r ftools -e 'File::install(ARGV[0], ARGV[1], 0555, true)' $(DLLIB) $(archdir)$(target_prefix)/$(DLLIB)
EOMF
install_rb(mfile, "$(rubylibdir)$(target_prefix)", srcdir)
mfile.printf "\n"
mfile.printf <<EOMF
$(sitearchdir)$(target_prefix)/$(DLLIB): $(DLLIB)
@$(RUBY) -r ftools -e 'File::makedirs(*ARGV)' $(libdir) $(sitearchdir)$(target_prefix)
@$(RUBY) -r ftools -e 'File::install(ARGV[0], ARGV[1], 0555, true)' $(DLLIB) $(sitearchdir)$(target_prefix)/$(DLLIB)
EOMF
install_rb(mfile, "$(sitelibdir)$(target_prefix)", srcdir)
mfile.printf "\n"
unless /mswin32/ =~ RUBY_PLATFORM
src = '$<'
copt = cxxopt = ''
else
if /nmake/i =~ $make
src = '$(<:\\=/)'
else
src = '$(subst /,\\\\,$<)'
end
copt = '-Tc'
cxxopt = '-Tp'
end
unless /nmake/i =~ $make
mfile.puts "
.cc.#{$OBJEXT}:
$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c #{cxxopt}#{src}
.cpp.#{$OBJEXT}:
$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c #{cxxopt}#{src}
.cxx.#{$OBJEXT}:
$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c #{cxxopt}#{src}
.C.#{$OBJEXT}:
$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c #{cxxopt}#{src}
.c.#{$OBJEXT}:
$(CC) $(CFLAGS) $(CPPFLAGS) -c #{copt}#{src}
"
else
mfile.print "
{$(srcdir)}.c{}.#{$OBJEXT}:
$(CC) -I. -I$(<D) $(CFLAGS) $(CPPFLAGS) -c #{copt}#{src}
.c.#{$OBJEXT}:
$(CC) $(CFLAGS) $(CPPFLAGS) -c #{copt}#{src}
{$(srcdir)}.cc{}.#{$OBJEXT}:
$(CXX) -I. -I$(<D) $(CXXFLAGS) $(CPPFLAGS) -c #{cxxopt}#{src}
.cc.#{$OBJEXT}:
$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c #{cxxopt}#{src}
{$(srcdir)}.cpp{}.#{$OBJEXT}:
$(CXX) -I. -I$(<D) $(CXXFLAGS) $(CPPFLAGS) -c #{cxxopt}#{src}
.cpp.#{$OBJEXT}:
$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c #{cxxopt}#{src}
{$(srcdir)}.cxx{}.#{$OBJEXT}:
$(CXX) -I. -I$(<D) $(CXXFLAGS) $(CPPFLAGS) -c #{cxxopt}#{src}
.cxx.#{$OBJEXT}:
$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c #{cxxopt}#{src}
"
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) $(OBJS)\n"
end
end
if File.exist?("depend")
dfile = open("depend", "r")
mfile.printf "###\n"
while line = dfile.gets()
mfile.printf "%s", line.gsub(/\.o\b/, ".#{$OBJEXT}")
end
dfile.close
end
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", "")
$CPPFLAGS = with_config("cppflags", "")
$LDFLAGS = with_config("ldflags", "")
$LIBPATH = []
dir_config("opt")