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|
# module to create Makefile for extension modules
# invoke like: ruby -r mkmf extconf.rb
require 'rbconfig'
require 'find'
include Config
$cache_mod = false
$lib_cache = {}
$lib_found = {}
$func_cache = {}
$func_found = {}
$hdr_cache = {}
$hdr_found = {}
$config_cache = CONFIG["compile_dir"]+"/ext/config.cache"
if File.exist?($config_cache) then
f = open($config_cache, "r")
while f.gets
case $_
when /^lib: (.+) (yes|no)/
$lib_cache[$1] = $2
when /^func: ([\w_]+) (yes|no)/
$func_cache[$1] = $2
when /^hdr: (.+) (yes|no)/
$hdr_cache[$1] = $2
end
end
f.close
end
$srcdir = CONFIG["srcdir"]
$libdir = CONFIG["libdir"]+"/ruby/"+CONFIG["MAJOR"]+"."+CONFIG["MINOR"]
$archdir = $libdir+"/"+CONFIG["arch"]
if File.exist? $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
CFLAGS = CONFIG["CFLAGS"]
if RUBY_PLATFORM == "m68k-human"
CFLAGS.gsub!(/-c..-stack=[0-9]+ */, '')
elsif RUBY_PLATFORM =~ /-nextstep|-rhapsody/
CFLAGS.gsub!( /-arch\s\w*/, '' )
end
if /win32|djgpp|mingw32|m68k-human|i386-os2_emx/i =~ RUBY_PLATFORM
$null = open("nul", "w")
else
$null = open("/dev/null", "w")
end
LINK = "#{CONFIG['CC']} -o conftest -I#{$hdrdir} -I#{CONFIG['includedir']} #{CFLAGS} %s #{CONFIG['LDFLAGS']} %s conftest.c %s %s #{CONFIG['LIBS']}"
CPP = "#{CONFIG['CPP']} -E -I#{$hdrdir} -I#{CONFIG['includedir']} #{CFLAGS} %s %s conftest.c"
$orgerr = $stderr.dup
$orgout = $stdout.dup
def xsystem command
if $DEBUG
print command, "\n"
return system(command)
end
$stderr.reopen($null)
$stdout.reopen($null)
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
xsystem(format(LINK, $CFLAGS, $LDFLAGS, opt, $LOCAL_LIBS))
end
def try_link(src, opt="")
begin
try_link0(src, opt)
ensure
system "rm -f conftest*"
end
end
def try_cpp(src, opt="")
cfile = open("conftest.c", "w")
cfile.print src
cfile.close
begin
xsystem(format(CPP, $CFLAGS, opt))
ensure
system "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}", $CFLAGS, opt))
ensure
system "rm -f conftest*"
end
end
def try_run(src, opt="")
begin
if try_link0(src, opt)
if xsystem("./conftest")
true
else
false
end
else
nil
end
ensure
system "rm -f conftest*"
end
end
def install_rb(mfile, srcdir = nil)
libdir = "lib"
libdir = srcdir + "/" + libdir if srcdir
path = []
dir = []
Find.find(libdir) do |f|
next unless /\.rb$/ =~ f
f = f[libdir.length+1..-1]
path.push f
dir |= File.dirname(f)
end
for f in dir
next if f == "."
mfile.printf "\t@$(RUBY) -r ftools -e 'File::makedirs(*ARGV)' $(libdir)/%s\n", f
end
for f in path
mfile.printf "\t@$(RUBY) -r ftools -e 'File::install(ARGV[0], ARGV[1], 0644, true)' lib/%s $(libdir)/%s\n", f, f
end
end
def have_library(lib, func="main")
printf "checking for %s() in -l%s... ", func, lib
STDOUT.flush
if $lib_cache[lib]
if $lib_cache[lib] == "yes"
$libs = "-l" + lib + " " + $libs
print "(cached) yes\n"
return true
else
print "(cached) no\n"
return false
end
end
if func && func != ""
libs = "-l" + lib + " " + $libs
unless try_link(<<"SRC", libs)
int main() { return 0; }
int t() { #{func}(); return 0; }
SRC
$lib_cache[lib] = 'no'
$cache_mod = true
print "no\n"
return false
end
else
libs = "-l" + lib + " " + $libs
end
$libs = libs
$lib_cache[lib] = 'yes'
$cache_mod = true
print "yes\n"
return true
end
def have_func(func)
printf "checking for %s()... ", func
STDOUT.flush
if $func_cache[func]
if $func_cache[func] == "yes"
$defs.push(format("-DHAVE_%s", func.upcase))
print "(cached) yes\n"
return true
else
print "(cached) no\n"
return false
end
end
libs = $libs
unless try_link(<<"SRC", libs)
char #{func}();
int main() { return 0; }
int t() { #{func}(); return 0; }
SRC
$func_found[func] = 'no'
$cache_mod = true
print "no\n"
return false
end
$defs.push(format("-DHAVE_%s", func.upcase))
$func_found[func] = 'yes'
$cache_mod = true
print "yes\n"
return true
end
def have_header(header)
printf "checking for %s... ", header
STDOUT.flush
if $hdr_cache[header]
if $hdr_cache[header] == "yes"
header.tr!("a-z./\055", "A-Z___")
$defs.push(format("-DHAVE_%s", header))
print "(cached) yes\n"
return true
else
print "(cached) no\n"
return false
end
end
unless try_cpp(<<"SRC")
#include <#{header}>
SRC
$hdr_found[header] = 'no'
$cache_mod = true
print "no\n"
return false
end
$hdr_found[header] = 'yes'
header.tr!("a-z./\055", "A-Z___")
$defs.push(format("-DHAVE_%s", header))
$cache_mod = true
print "yes\n"
return true
end
def arg_config(config, default=nil)
return default if /mswin32/i =~ RUBY_PLATFORM
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 create_makefile(target, installpos = "")
print "creating Makefile\n"
system "rm -f conftest*"
STDOUT.flush
if CONFIG["DLEXT"] == "o"
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"]
if RUBY_PLATFORM =~ /beos/
$libs = $libs + " -lruby"
$DLDFLAGS = $DLDFLAGS + " -L" + CONFIG["prefix"] + "/lib"
end
defflag = ''
if RUBY_PLATFORM =~ /cygwin/
if File.exist? target + ".def"
defflag = "--def=" + target + ".def"
end
$libs = $libs + " " + CONFIG["LIBRUBYARG"]
$DLDFLAGS = $DLDFLAGS + " -L$(topdir)"
end
unless $objs then
$objs = Dir["*.{c,cc,m}"]
for f in $objs
f.sub!(/\.(c|cc|m)$/, ".o")
end
end
$objs = $objs.join(" ")
mfile = open("Makefile", "w")
mfile.print <<EOMF
SHELL = /bin/sh
#### Start of system configuration section. ####
srcdir = #{$srcdir}
topdir = #{$hdrdir}
hdrdir = #{$hdrdir}
CC = #{CONFIG["CC"]}
CFLAGS = #{CONFIG["CCDLFLAGS"]} -I$(hdrdir) -I#{CONFIG["includedir"]} #{CFLAGS} #{$CFLAGS} #{$defs.join(" ")}
CXXFLAGS = $(CFLAGS)
DLDFLAGS = #{$DLDFLAGS} #{$LDFLAGS}
LDSHARED = #{CONFIG["LDSHARED"]} #{defflag}
prefix = #{CONFIG["prefix"]}
exec_prefix = #{CONFIG["exec_prefix"]}
libdir = #{$libdir}
archdir = #{$archdir}
#### End of system configuration section. ####
LOCAL_LIBS = #{$LOCAL_LIBS}
LIBS = #{$libs}
OBJS = #{$objs}
TARGET = #{target}
DLLIB = $(TARGET).#{CONFIG["DLEXT"]}
RUBY = #{CONFIG["ruby_install_name"]}
binsuffix = #{CONFIG["binsuffix"]}
all: $(DLLIB)
clean:; @rm -f *.o *.so *.sl *.a $(DLLIB)
@rm -f Makefile extconf.h conftest.*
@rm -f core ruby$(binsuffix) *~
realclean: clean
install: $(archdir)/$(DLLIB)
$(archdir)/$(DLLIB): $(DLLIB)
@$(RUBY) -r ftools -e 'File::makedirs(*ARGV)' $(libdir) $(archdir)
@$(RUBY) -r ftools -e 'File::install(ARGV[0], ARGV[1], 0555, true)' $(DLLIB) $(archdir)/$(DLLIB)
EOMF
install_rb(mfile)
mfile.printf "\n"
if CONFIG["DLEXT"] != "o"
mfile.printf <<EOMF
$(DLLIB): $(OBJS)
$(LDSHARED) $(DLDFLAGS) -o $(DLLIB) $(OBJS) $(LIBS) $(LOCAL_LIBS)
EOMF
elsif not File.exist?(target + ".c") and not File.exist?(target + ".cc")
mfile.print "$(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.print line
end
dfile.close
end
mfile.close
if $cache_mod
begin
f = open($config_cache, "w")
for k,v in $lib_cache
f.printf "lib: %s %s\n", k, v.downcase
end
for k,v in $lib_found
f.printf "lib: %s %s\n", k, v.downcase
end
for k,v in $func_cache
f.printf "func: %s %s\n", k, v.downcase
end
for k,v in $func_found
f.printf "func: %s %s\n", k, v.downcase
end
for k,v in $hdr_cache
f.printf "hdr: %s %s\n", k, v.downcase
end
for k,v in $hdr_found
f.printf "hdr: %s %s\n", k, v.downcase
end
f.close
rescue
end
end
if RUBY_PLATFORM =~ /beos/
if RUBY_PLATFORM =~ /^powerpc/ then
deffilename = "ruby.exp"
else
deffilename = "ruby.def"
end
print "creating #{deffilename}\n"
open(deffilename, "w") do |file|
file.print("EXPORTS\n") if RUBY_PLATFORM =~ /^i/
file.print("Init_#{target}\n")
end
end
end
$libs = RUBY_PLATFORM =~ /cygwin|beos|openstep|nextstep|rhapsody/ ? "" : "-lc"
$objs = nil
$LOCAL_LIBS = ""
$CFLAGS = ""
$LDFLAGS = ""
$defs = []
|