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|
# module to create Makefile for extention modules
# invoke like: ruby -r mkmf extconf.rb
require 'rbconfig'
include Config
$found = 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"]+"/"+CONFIG["ruby_install_name"]
$archdir = $libdir+"/"+CONFIG["arch"]
$install = CONFIG["INSTALL_PROGRAM"]
$install_data = CONFIG["INSTALL_DATA"]
if $install !~ /^\// then
$install = CONFIG["srcdir"]+"/"+$install
end
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
nul = "> /dev/null"
CFLAGS = CONFIG["CFLAGS"]
if PLATFORM == "m68k-human"
nul = "> nul"
CFLAGS.gsub!(/-c..-stack=[0-9]+ */, '')
end
if $DEBUG
nul = ""
end
LINK = CONFIG["CC"]+" -o conftest -I#{$srcdir} " + CFLAGS + " %s " + CONFIG["LDFLAGS"] + " %s conftest.c " + CONFIG["LIBS"] + "%s " + nul + " 2>&1"
CPP = CONFIG["CPP"] + " -E -I#{$srcdir} " + CFLAGS + " %s conftest.c " + nul + " 2>&1"
def try_link(libs)
system(format(LINK, $CFLAGS, $LDFLAGS, libs))
end
def try_cpp
system(format(CPP, $CFLAGS))
end
def have_library(lib, func)
printf "checking for %s() in -l%s... ", func, lib
STDOUT.flush
if $lib_cache[lib]
if $lib_cache[lib] == "yes"
if $libs
$libs = "-l" + lib + " " + $libs
else
$libs = "-l" + lib
end
print "(cached) yes\n"
return TRUE
else
print "(cached) no\n"
return FALSE
end
end
cfile = open("conftest.c", "w")
cfile.printf "\
int main() { return 0; }
int t() { %s(); return 0; }
", func
cfile.close
begin
if $libs
libs = "-l" + lib + " " + $libs
else
libs = "-l" + lib
end
unless try_link(libs)
$lib_found[lib] = 'no'
$found = TRUE
print "no\n"
return FALSE
end
ensure
system "rm -f conftest*"
end
$libs = libs
$lib_found[lib] = 'yes'
$found = 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
cfile = open("conftest.c", "w")
cfile.printf "\
char %s();
int main() { return 0; }
int t() { %s(); return 0; }
", func, func
cfile.close
libs = $libs
libs = "" if libs == nil
begin
unless try_link(libs)
$func_found[func] = 'no'
$found = TRUE
print "no\n"
return FALSE
end
ensure
system "rm -f conftest*"
end
$defs.push(format("-DHAVE_%s", func.upcase))
$func_found[func] = 'yes'
$found = 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
cfile = open("conftest.c", "w")
cfile.printf "\
#include <%s>
", header
cfile.close
begin
unless try_cpp
$hdr_found[header] = 'no'
$found = TRUE
print "no\n"
return FALSE
end
ensure
system "rm -f conftest*"
end
$hdr_found[header] = 'yes'
header.tr!("a-z./\055", "A-Z___")
$defs.push(format("-DHAVE_%s", header))
$found = TRUE
print "yes\n"
return TRUE
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)
print "creating Makefile\n"
STDOUT.flush
if $libs and 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
$libs = "" unless $libs
if !$objs then
$objs = Dir["*.c"]
for f in $objs
f.sub!(/\.(c|cc)$/, ".o")
end
end
$objs = $objs.join(" ")
mfile = open("Makefile", "w")
mfile.print <<EOMF
SHELL = /bin/sh
#### Start of system configuration section. ####
srcdir = #{$srcdir}
hdrdir = #{$hdrdir}
CC = gcc
CFLAGS = #{CONFIG["CCDLFLAGS"]} -I#{$hdrdir} #{CFLAGS} #{$CFLAGS} #{$defs.join(" ")}
DLDFLAGS = #{CONFIG["DLDFLAGS"]} #{$LDFLAGS}
LDSHARED = #{CONFIG["LDSHARED"]}
prefix = #{CONFIG["prefix"]}
exec_prefix = #{CONFIG["exec_prefix"]}
libdir = #{$archdir}
#### End of system configuration section. ####
LOCAL_LIBS = #{$local_libs}
LIBS = #{$libs}
OBJS = #{$objs}
TARGET = #{target}.#{CONFIG["DLEXT"]}
INSTALL = #{$install}
binsuffix = #{CONFIG["binsuffix"]}
all: $(TARGET)
clean:; @rm -f *.o *.so *.sl
@rm -f Makefile extconf.h conftest.*
@rm -f core ruby$(binsuffix) *~
realclean: clean
install: $(libdir)/$(TARGET)
$(libdir)/$(TARGET): $(TARGET)
@test -d $(libdir) || mkdir $(libdir)
$(INSTALL) $(TARGET) $(libdir)/$(TARGET)
EOMF
for rb in Dir["lib/*.rb"]
mfile.printf "\t$(INSTALL) %s %s\n", rb, $libdir
end
mfile.printf "\n"
if CONFIG["DLEXT"] != "o"
mfile.printf <<EOMF
$(TARGET): $(OBJS)
$(LDSHARED) $(DLDFLAGS) -o $(TARGET) $(OBJS) $(LOCAL_LIBS) $(LIBS)
EOMF
elsif not File.exist?(target + ".c") and not File.exist?(target + ".cc") or
mfile.print "$(TARGET): $(OBJS)\n"
case PLATFORM
when "m68k-human"
mfile.printf "ar cru $(TARGET) $(OBJS)\n"
when /-nextstep/
mfile.printf "cc -r $(CFLAGS) -o $(TARGET) $(OBJS)\n"
else
mfile.printf "ld $(DLDFLAGS) -r -o $(TARGET) $(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 $found
begin
f = open($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
end
$local_libs = nil
$libs = nil
$objs = nil
$CFLAGS = nil
$LDFLAGS = nil
$defs = []
|