ruby/lib/mkmf.rb

880 строки
20 KiB
Ruby

# module to create Makefile for extension modules
# invoke like: ruby -r mkmf extconf.rb
require 'rbconfig'
require 'shellwords'
CONFIG = Config::MAKEFILE_CONFIG
ORIG_LIBPATH = ENV['LIB']
SRC_EXT = ["c", "cc", "m", "cxx", "cpp", "C"]
unless defined? $configure_args
$configure_args = {}
args = CONFIG["configure_args"]
if ENV["CONFIGURE_ARGS"]
args << " " << ENV["CONFIGURE_ARGS"]
end
for arg in Shellwords::shellwords(args)
arg, val = arg.split('=', 2)
if arg.sub!(/^(?!--)/, '--')
val or next
arg.downcase!
end
next if /^--(?:top|topsrc|src|cur)dir$/ =~ 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"]
$extmk = /extmk\.rb/ =~ $0
$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
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 map_dir(dir, map = nil)
map ||= INSTALL_DIRS
map.inject(dir) {|dir, (orig, new)| dir.gsub(orig, new)}
end
if not $extmk and 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
OUTFLAG = CONFIG['OUTFLAG']
CPPOUTFILE = CONFIG['CPPOUTFILE']
CONFTEST_C = "conftest.c"
$INSTALLFILES ||= nil
class String
def quote
/\s/ =~ self ? "\"#{self}\"" : self
end
end
class Array
def quote
map {|s| s.quote}
end
end
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
def older(target, *files)
mtime = proc do |f|
Time === f ? f : f.respond_to?(:mtime) ? f.mtime : File.mtime(f) rescue nil
end
t = mtime[target] or return true
for f in files
return true if t < (mtime[f] or next)
end
false
end
module Logging
@log = nil
@logfile = 'mkmf.log'
@orgerr = $stderr.dup
@orgout = $stdout.dup
def self::open
@log ||= File::open(@logfile, 'w')
@log.sync = true
$stderr.reopen(@log)
$stdout.reopen(@log)
yield
ensure
$stderr.reopen(@orgerr)
$stdout.reopen(@orgout)
end
def self::message(*s)
@log ||= File::open(@logfile, 'w')
@log.sync = true
@log.printf(*s)
end
def self::logfile file
@logfile = file
if @log and not @log.closed?
@log.flush
@log.close
@log = nil
end
end
end
def xsystem command
Config.expand(command)
Logging::open do
command = Shellwords.shellwords(command)
puts command.quote.join(' ')
system(*command)
end
end
def xpopen command, *mode, &block
Config.expand(command)
Logging::open do
case mode[0]
when nil, /^r/
puts "#{command} |"
else
puts "| #{command}"
end
IO.popen(command, *mode, &block)
end
end
def log_src(src)
Logging::message <<"EOM"
checked program was:
/* begin */
#{src}/* end */
EOM
end
def create_tmpsrc(src)
open(CONFTEST_C, "w") do |cfile|
cfile.print src
end
end
def try_do(src, command)
src += "\n" unless /\n\z/ =~ src
create_tmpsrc(src)
xsystem(command)
ensure
log_src(src)
end
def link_command(ldflags, opt="", libpath=$LIBPATH)
Config::expand(TRY_LINK.dup,
'hdrdir' => $hdrdir,
'src' => CONFTEST_C,
'INCFLAGS' => $INCFLAGS,
'CPPFLAGS' => $CPPFLAGS,
'CFLAGS' => "#$CFLAGS",
'LDFLAGS' => "#$LDFLAGS #{ldflags}",
'LIBPATH' => libpathflag(libpath),
'LOCAL_LIBS' => "#$LOCAL_LIBS #$libs",
'LIBS' => "#$LIBRUBYARG_STATIC #{opt} #$LIBS")
end
def cc_command(opt="")
"$(CC) -c #$INCFLAGS -I#{$hdrdir} " \
"#$CPPFLAGS #$CFLAGS #{opt} #{CONFTEST_C}"
end
def cpp_command(outfile, opt="")
"$(CPP) #$INCFLAGS -I#{$hdrdir} " \
"#$CPPFLAGS #$CFLAGS #{outfile} #{opt} #{CONFTEST_C}"
end
def libpathflag(libpath=$LIBPATH)
libpath.map{|x| LIBPATHFLAG % %["#{x}"]}.join
end
def try_link0(src, opt="")
try_do(src, link_command("", opt))
end
def try_link(src, opt="")
try_link0(src, opt)
ensure
rm_f "conftest*", "c0x32*"
end
def try_compile(src, opt="")
try_do(src, cc_command(opt))
ensure
rm_f "conftest*"
end
def try_cpp(src, opt="")
try_do(src, cpp_command(CPPOUTFILE, opt))
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 try_func(func, libs, headers = nil)
headers = cpp_include(headers)
try_link(<<"SRC", libs) or try_link(<<"SRC", libs)
#{COMMON_HEADERS}
#{headers}
int main() { return 0; }
int t() { #{func}(); return 0; }
SRC
#{COMMON_HEADERS}
#{headers}
int main() { return 0; }
int t() { void ((*volatile p)()); p = (void ((*)()))#{func}; return 0; }
SRC
end
def egrep_cpp(pat, src, opt="")
src += "\n" unless /\n\z/ =~ src
create_tmpsrc(src)
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
$stdin.reopen(stdin)
end
end
end
ensure
rm_f "conftest*"
log_src(src)
end
def macro_defined?(macro, src, opt="")
try_cpp(src + <<"SRC", opt)
#ifndef #{macro}
# error
#endif
SRC
end
def try_run(src, opt="")
if try_link0(src, opt)
xsystem("./conftest")
else
nil
end
ensure
rm_f "conftest*"
end
def install_files(mfile, ifiles, map = nil, srcprefix = nil)
ifiles or return
srcprefix ||= '$(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( files[0,2] == "./" )
# 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
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
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)
$stdout.flush
end
end
def checking_for(m)
f = caller[0][/in `(.*)'$/, 1] and f << ": " #` for vim
m = "checking for #{m}... "
message m
Logging::message "#{f}#{m}\n"
r = yield
message(r ? "yes\n" : "no\n")
r
end
def have_library(lib, func="main")
checking_for "#{func}() in -l#{lib}" do
libs = append_library($libs, lib)
if func && func != "" && COMMON_LIBS.include?(lib)
true
elsif try_func(func, libs)
$libs = libs
true
else
false
end
end
end
def find_library(lib, func, *paths)
checking_for "#{func}() in -l#{lib}" do
libpath = $LIBPATH
libs = append_library($libs, lib)
begin
until r = try_func(func, libs) or paths.empty?
$LIBPATH = libpath | [paths.shift]
end
if r
$libs = libs
libpath = nil
end
ensure
$LIBPATH = libpath if libpath
end
r
end
end
def have_func(func, header=nil)
checking_for "#{func}()" do
if try_func(func, $libs, header)
$defs.push(format("-DHAVE_%s", func.upcase))
true
else
false
end
end
end
def have_header(header)
checking_for header do
if try_cpp(cpp_include(header))
$defs.push(format("-DHAVE_%s", header.tr("a-z./\055", "A-Z___")))
true
else
false
end
end
end
def have_struct_member(type, member, header=nil)
checking_for "#{type}.#{member}" do
if try_compile(<<"SRC")
#{COMMON_HEADERS}
#{cpp_include(header)}
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
def find_executable0(bin, path = nil)
path = (path || ENV['PATH']).split(File::PATH_SEPARATOR)
ext = config_string('EXEEXT')
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 bin do
find_executable0(bin, path)
end
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(header = "extconf.h")
message "creating #{header}\n"
if $defs.length > 0
sym = header.tr("a-z./\055", "A-Z___")
open(header, "w") do |hfile|
hfile.print "#ifndef #{sym}\n#define #{sym}\n"
for line in $defs
case line
when /^-D(.*)(?:=(.*))?/
hfile.print "#define #$1 #{$2 || 1}\n"
when /^-U(.*)/
hfile.print "#undef #$1\n"
end
end
hfile.print "#endif\n"
end
end
end
def dir_config(target, idefault=nil, ldefault=nil)
if dir = with_config(target + "-dir", (idefault unless ldefault))
idefault = dir + "/include"
ldefault = dir + "/lib"
end
idir = with_config(target + "-include", idefault)
ldir = with_config(target + "-lib", ldefault)
if idir
idircflag = "-I" + idir
unless Shellwords.shellwords($CPPFLAGS).include?(idircflag)
$CPPFLAGS = idircflag + " " + $CPPFLAGS
end
end
if ldir
$LIBPATH.unshift(ldir) unless $LIBPATH.include?(ldir)
end
[idir, ldir]
end
def with_destdir(dir)
/^\$[\(\{]/ =~ dir ? dir : "$(DESTDIR)"+dir
end
def winsep(s)
s.tr('/', '\\')
end
def configuration(srcdir)
mk = []
mk << %{
SHELL = /bin/sh
#### Start of system configuration section. ####
srcdir = #{srcdir}
topdir = #{$topdir}
hdrdir = #{$hdrdir}
VPATH = $(srcdir)
}
drive = File::PATH_SEPARATOR == ';' ? /\A\w:/ : /\A/
if destdir = CONFIG["prefix"].scan(drive)[0] and !destdir.empty?
mk << "\nDESTDIR = #{destdir}\n"
end
CONFIG.each do |key, var|
next unless /prefix$/ =~ key
mk << "#{key} = #{with_destdir(var.sub(drive, ''))}\n"
end
CONFIG.each do |key, var|
next if /^abs_/ =~ key
next unless /^(?:src|top|(.*))dir$/ =~ key and $1
mk << "#{key} = #{with_destdir(var.sub(drive, ''))}\n"
end
mk << %{
CC = #{CONFIG['CC']}
LIBRUBY = #{CONFIG['LIBRUBY']}
LIBRUBY_A = #{CONFIG['LIBRUBY_A']}
LIBRUBYARG_SHARED = #$LIBRUBYARG_SHARED
LIBRUBYARG_STATIC = #$LIBRUBYARG_STATIC
CFLAGS = #{CONFIG['CCDLFLAGS'] unless $static} #$CFLAGS
CPPFLAGS = -I. -I$(topdir) -I$(hdrdir) -I$(srcdir) #{$defs.join(" ")} #{$CPPFLAGS}
CXXFLAGS = $(CFLAGS) #{CONFIG['CXXFLAGS']}
DLDFLAGS = #$LDFLAGS #{CONFIG['DLDFLAGS']} #$DLDFLAGS
LDSHARED = #{CONFIG['LDSHARED']}
AR = #{CONFIG['AR']}
EXEEXT = #{CONFIG['EXEEXT']}
RUBY_INSTALL_NAME = #{CONFIG['RUBY_INSTALL_NAME']}
RUBY_SO_NAME = #{CONFIG['RUBY_SO_NAME']}
arch = #{CONFIG['arch']}
sitearch = #{CONFIG['sitearch']}
ruby_version = #{Config::CONFIG['ruby_version']}
RUBY = #{$ruby}
RM = $(RUBY) -rftools -e "File::rm_f(*ARGV.map do|x|Dir[x]end.flatten.uniq)"
MAKEDIRS = $(RUBY) -r ftools -e 'File::makedirs(*ARGV)'
INSTALL_PROG = $(RUBY) -r ftools -e 'File::install(ARGV[0], ARGV[1], 0755, true)'
INSTALL_DATA = $(RUBY) -r ftools -e 'File::install(ARGV[0], ARGV[1], 0644, true)'
#### End of system configuration section. ####
}
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) << "all install: Makefile\n" << CLEANINGS
end
def create_makefile(target, srcprefix = nil)
$target = target
libpath = $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)
unless $objs then
$objs = []
for f in Dir[File.join(srcdir, "*.{#{SRC_EXT.join(%q{,})}}")]
$objs.push(File.basename(f, ".*") << "." << $OBJEXT)
end
else
for i in $objs
i.sub!(/\.o\z/, ".#{$OBJEXT}")
end
end
$objs = $objs.join(" ")
target = nil if $objs == ""
if target and EXPORT_PREFIX
origdef = target + '.def'
deffile = EXPORT_PREFIX + origdef
unless File.exist? deffile
if File.exist? File.join(srcdir, deffile)
deffile = File.join srcdir, deffile
elsif !EXPORT_PREFIX.empty? and File.exist?(origdef = File.join(srcdir, origdef))
open(origdef) do |d|
open(deffile, 'wb') do |f|
d.each do |l|
f.print l
break if /^EXPORTS$/i =~ l
end
d.each do |l|
f.print l.sub(/\S/, EXPORT_PREFIX+'\&')
end
end
end
else
open(deffile, 'wb') do |f|
f.print "EXPORTS\n", EXPORT_PREFIX, "Init_", target, "\n"
end
end
end
$distcleanfiles << deffile unless deffile == origdef
end
libpath = libpathflag(libpath)
dllib = target ? "$(TARGET).#{$static ? $LIBEXT : CONFIG['DLEXT']}" : ""
mfile = open("Makefile", "wb")
mfile.print configuration(srcdir)
mfile.print %{
LIBPATH = #{libpath}
DEFFILE = #{deffile}
CLEANFILES = #{$cleanfiles.join(' ')}
DISTCLEANFILES = #{$distcleanfiles.join(' ')}
target_prefix = #{target_prefix}
LOCAL_LIBS = #{$LOCAL_LIBS}
LIBS = #{$LIBRUBYARG} #{$libs} #{$LIBS}
OBJS = #{$objs}
TARGET = #{target}
DLLIB = #{dllib}
}
if $extmk
mfile.print %{
RUBYCOMMONDIR = $(rubylibdir)
RUBYLIBDIR = $(rubylibdir)$(target_prefix)
RUBYARCHDIR = $(archdir)$(target_prefix)
}
else
mfile.print %{
RUBYCOMMONDIR = $(sitedir)$(target_prefix)
RUBYLIBDIR = $(sitelibdir)$(target_prefix)
RUBYARCHDIR = $(sitearchdir)$(target_prefix)
}
end
mfile.print %{
CLEANLIBS = "$(TARGET).{lib,exp,il?,tds,map}" $(DLLIB)
CLEANOBJS = "*.{#{$OBJEXT},#{$LIBEXT},s[ol],pdb,bak}"
all: #{target ? "$(DLLIB)" : "Makefile"}
}
mfile.print CLEANINGS
dirs = []
if not $static and target
dirs << (dir = "$(RUBYARCHDIR)")
mfile.print("install: #{dir}\n")
f = "$(DLLIB)"
dest = "#{dir}/#{f}"
mfile.print "install: #{dest}\n"
mfile.print "#{dest}: #{f} #{dir}\n\t@$(INSTALL_PROG) #{f} #{dir}\n"
end
for i in [[["lib/**/*.rb", "$(RUBYLIBDIR)", "lib"]], $INSTALLFILES]
files = install_files(mfile, i, nil, srcprefix) or next
for dir, *files in files
unless dirs.include?(dir)
dirs << dir
mfile.print("install: #{dir}\n")
end
files.each do |f|
dest = "#{dir}/#{File.basename(f)}"
mfile.print("install: #{dest}\n")
mfile.print("#{dest}: #{f} #{dir}\n\t@$(INSTALL_DATA) #{f} #{dir}\n")
end
end
end
if dirs.empty?
mfile.print("install:\n")
else
dirs.each {|dir| mfile.print "#{dir}:\n\t@$(MAKEDIRS) #{dir}\n"}
end
mfile.print "\nsite-install: install\n\n"
return unless target
mfile.print ".SUFFIXES: .#{SRC_EXT.join(' .')} .#{$OBJEXT}\n"
mfile.print "\n"
%w[cc cpp cxx C].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, $OBJEXT)
mfile.printf("\n\t%s\n\n", COMPILE_C)
end
end
mfile.print "$(DLLIB): $(OBJS)\n\t"
mfile.print "@-$(RM) $@\n\t"
mfile.print "@-$(RM) $(TARGET).lib\n\t" if $mswin
if $static
mfile.print "$(AR) #{config_string('ARFLAGS') || 'cru '}$(DLLIB) $(OBJS)"
if ranlib = config_string('RANLIB')
mfile.print "\n\t@-#{ranlib} $(DLLIB) 2> /dev/null || true"
end
else
mfile.print LINK_SO
end
mfile.print "\n\n"
depend = File.join(srcdir, "depend")
if File.exist?(depend)
open(depend, "r") do |dfile|
mfile.printf "###\n"
while line = dfile.gets()
line.gsub!(/\.o\b/, ".#{$OBJEXT}")
line.gsub!(/(\s)([^\s\/]+\.[ch])/, '\1{$(srcdir)}\2') if $nmake
line.gsub!(/\$\(hdrdir\)\/config.h/, $config_h) if $config_h
mfile.print line
end
end
end
ensure
mfile.close
end
def init_mkmf(config = CONFIG)
$enable_shared = config['ENABLE_SHARED'] == 'yes'
$defs = []
$CFLAGS = with_config("cflags", arg_config("CFLAGS", config["CFLAGS"])).dup
$CPPFLAGS = with_config("cppflags", arg_config("CPPFLAGS", config["CPPFLAGS"])).dup
$LDFLAGS = with_config("ldflags", arg_config("LDFLAGS", config["LDFLAGS"])).dup
$INCFLAGS = "-I#{$topdir}"
$DLDFLAGS = ""
$LIBEXT = config['LIBEXT'].dup
$OBJEXT = config["OBJEXT"].dup
$LIBS = "#{config['LIBS']} #{config['DLDLIBS']}"
$LIBRUBYARG = ""
$LIBRUBYARG_STATIC = config['LIBRUBYARG_STATIC']
$LIBRUBYARG_SHARED = config['LIBRUBYARG_SHARED']
$LIBPATH = $extmk ? ["$(topdir)"] : []
$objs = nil
$libs = ""
if $enable_shared or Config.expand(config["LIBRUBY"].dup) != Config.expand(config["LIBRUBY_A"].dup)
$LIBPATH.unshift("$(libdir)") unless $extmk or CROSS_COMPILING
$LIBRUBYARG = config['LIBRUBYARG']
end
$LOCAL_LIBS = ""
$cleanfiles = []
$distcleanfiles = []
dir_config("opt")
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
Config::CONFIG["topdir"] = CONFIG["topdir"] =
$curdir = arg_config("--curdir", Dir.pwd)
$configure_args["--topdir"] ||= $curdir
$ruby = arg_config("--ruby", 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 |s|
/(.*?)(?:=(.*))/ =~ s
hdr << "#define #$1 #$2"
end
end
config_string('COMMON_HEADERS') do |s|
Shellwords.shellwords(s).each {|s| hdr << "#include <#{s}>"}
end
COMMON_HEADERS = (hdr.join("\n") unless hdr.empty?)
COMMON_LIBS = config_string('COMMON_LIBS', &split) || []
COMPILE_RULES = config_string('COMPILE_RULES', &split) || %w[.%s.%s:]
COMPILE_C = config_string('COMPILE_C') || '$(CC) $(CFLAGS) $(CPPFLAGS) -c $<'
COMPILE_CXX = config_string('COMPILE_CXX') || '$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c $<'
TRY_LINK = config_string('TRY_LINK') ||
"$(CC) #{OUTFLAG}conftest $(INCFLAGS) -I$(hdrdir) $(CPPFLAGS) " \
"$(CFLAGS) $(src) $(LIBPATH) $(LDFLAGS) $(LOCAL_LIBS) $(LIBS)"
LINK_SO = config_string('LINK_SO') ||
if CONFIG["DLEXT"] == $OBJEXT
"ld $(DLDFLAGS) -r -o $(DLLIB) $(OBJS)\n"
else
"$(LDSHARED) $(DLDFLAGS) $(LIBPATH) #{OUTFLAG}$(DLLIB) " \
"$(OBJS) $(LOCAL_LIBS) $(LIBS)"
end
LIBPATHFLAG = config_string('LIBPATHFLAG') || ' -L%s'
LIBARG = config_string('LIBARG') || '-l%s'
CLEANINGS = "
clean:
@$(RM) $(CLEANLIBS) $(CLEANOBJS) $(CLEANFILES)
distclean: clean
@$(RM) Makefile extconf.h conftest.* mkmf.log
@$(RM) core ruby$(EXEEXT) *~ $(DISTCLEANFILES)
realclean: distclean
"