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ruby--ruby/ext/extmk.rb.in

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#! /usr/local/bin/ruby
if ARGV[0] == 'static'
$force_static = TRUE
ARGV.shift
elsif ARGV[0] == 'install'
$install = TRUE
ARGV.shift
elsif ARGV[0] == 'clean'
$clean = TRUE
ARGV.shift
end
$extlist = []
$cache_mod = FALSE;
$lib_cache = {}
$func_cache = {}
$hdr_cache = {}
$topdir = "@top_srcdir@"
if $topdir !~ "^/"
# get absolute path
save = Dir.pwd
Dir.chdir ".."
$topdir = Dir.pwd
Dir.chdir save
end
if File.exist?("config.cache") then
f = open("config.cache", "r")
while f.gets
case $_
when /^lib: ([\w_]+) (yes|no)/
$lib_cache[$1] = $2
when /^func: ([\w_]+) (yes|no)/
$func_cache[$1] = $2
when /^hdr: (.+) (yes|no)/
$hdr_cache[$1] = $2
end
end
f.close
end
def older(file1, file2)
if !File.exist?(file1) then
return TRUE
end
if !File.exist?(file2) then
return FALSE
end
if File.mtime(file1) < File.mtime(file2)
return TRUE
end
return FALSE
end
if PLATFORM == "m68k-human"
CFLAGS = "@CFLAGS@".gsub(/-c..-stack=[0-9]+ */, '')
LINK = "@CC@ -o conftest -I#{$topdir} " + CFLAGS + " %s @LDFLAGS@ %s conftest.c @LIBS@ %s > nul 2>&1"
CPP = "@CPP@ @CPPFLAGS@ -I#{$topdir} " + CFLAGS + " %s conftest.c > nul 2>&1"
else
CFLAGS = "@CFLAGS@"
LINK = "@CC@ -o conftest -I#{$topdir} " + CFLAGS + " %s @LDFLAGS@ %s conftest.c %s > /dev/null 2>&1"
CPP = "@CPP@ @CPPFLAGS@ -I#{$topdir} " + CFLAGS + " %s conftest.c > /dev/null 2>&1"
end
def try_link(libs)
system(format(LINK, $CFLAGS, $LDFLAGS, libs))
end
def try_cpp
system(format(CPP, $CFLAGS))
end
def have_library(lib, func)
if $lib_cache[lib]
if $lib_cache[lib] == "yes"
if $libs
$libs = "-l" + lib + " " + $libs
else
$libs = "-l" + lib
end
return TRUE
else
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_cache[lib] = 'no'
$cache_mod = TRUE
return FALSE
end
ensure
system "rm -f conftest*"
end
$libs = libs
$lib_cache[lib] = 'yes'
$cache_mod = TRUE
return TRUE
end
def have_func(func)
if $func_cache[func]
if $func_cache[func] == "yes"
$defs.push(format("-DHAVE_%s", func.upcase))
return TRUE
else
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_cache[func] = 'no'
$cache_mod = TRUE
return FALSE
end
ensure
system "rm -f conftest*"
end
$defs.push(format("-DHAVE_%s", func.upcase))
$func_cache[func] = 'yes'
$cache_mod = TRUE
return TRUE
end
def have_header(header)
if $hdr_cache[header]
if $hdr_cache[header] == "yes"
header.tr!("a-z./\055", "A-Z___")
$defs.push(format("-DHAVE_%s", header))
return TRUE
else
return FALSE
end
end
cfile = open("conftest.c", "w")
cfile.printf "\
#include <%s>
", header
cfile.close
begin
unless try_cpp
$hdr_cache[header] = 'no'
$cache_mod = TRUE
return FALSE
end
ensure
system "rm -f conftest*"
end
$hdr_cache[header] = 'yes'
header.tr!("a-z./\055", "A-Z___")
$defs.push(format("-DHAVE_%s", header))
$cache_mod = TRUE
return TRUE
end
def create_header()
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)
if $libs and "@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
$srcdir = $topdir + "/ext/" + target
mfile = open("Makefile", "w")
mfile.printf "\
SHELL = /bin/sh
#### Start of system configuration section. ####
srcdir = #{$srcdir}
VPATH = #{$srcdir}
CC = @CC@
CFLAGS = %s -I#{$topdir} %s #$CFLAGS %s
DLDFLAGS = @DLDFLAGS@ #$LDFLAGS
LDSHARED = @LDSHARED@
", if $static then "" else "@CCDLFLAGS@" end, CFLAGS, $defs.join(" ")
mfile.printf "\
program_transform_name = -e @program_transform_name@
RUBY_INSTALL_NAME = `t='$(program_transform_name)'; echo ruby | sed $$t`
prefix = @prefix@
exec_prefix = @exec_prefix@
libdir = @libdir@/$(RUBY_INSTALL_NAME)/@arch@
@SET_MAKE@
#### End of system configuration section. ####
"
mfile.printf "LOCAL_LIBS = %s\n", $local_libs if $local_libs
mfile.printf "LIBS = %s\n", $libs
mfile.printf "OBJS = "
if !$objs then
$objs = Dir["#{$topdir}/ext/#{target}/*.c"]
for f in $objs
f.sub!(/\.c$/, ".o")
end
end
mfile.printf $objs.join(" ")
mfile.printf "\n"
dots = if "@INSTALL@" =~ /^\// then "" else "#{$topdir}/ext/" end
mfile.printf "\
TARGET = %s.%s
INSTALL = %s@INSTALL@
binsuffix = @binsuffix@
all: $(TARGET)
clean:; @rm -f *.o *.so *.sl
@rm -f Makefile extconf.h conftest.*
@rm -f core ruby$(binsuffix) *~
realclean: clean
", target,
if $static then "o" else "@DLEXT@" end, dots
if !$static
mfile.printf "\
install:
@test -d $(libdir) || mkdir $(libdir)
$(INSTALL) $(TARGET) $(libdir)/$(TARGET)
"
else
mfile.printf "\
install:;
"
end
if !$static && "@DLEXT@" != "o"
mfile.printf "\
$(TARGET): $(OBJS)
$(LDSHARED) $(DLDFLAGS) -o $(TARGET) $(OBJS) $(LOCAL_LIBS) $(LIBS)
"
elsif not File.exist?(target + ".c")
if PLATFORM == "m68k-human"
mfile.printf "\
$(TARGET): $(OBJS)
ar cru $(TARGET) $(OBJS)
"
elsif PLATFORM =~ "-nextstep"
mfile.printf "\
$(TARGET): $(OBJS)
cc -r $(CFLAGS) -o $(TARGET) $(OBJS)
"
elsif $static
mfile.printf "\
$(TARGET): $(OBJS)
ld -r -o $(TARGET) $(OBJS)
"
else
mfile.printf "\
$(TARGET): $(OBJS)
ld $(DLDFLAGS) -r -o $(TARGET) $(OBJS)
"
end
end
if File.exist?("depend")
dfile = open("depend", "r")
mfile.printf "###\n"
while line = dfile.gets()
mfile.printf "%s", line
end
dfile.close
end
mfile.close
if $static
$extlist.push [$static,target]
end
end
def extmake(target)
if $force_static or $static_ext[target]
$static = target
else
$static = FALSE
end
return if $nodynamic and not $static
$local_libs = nil
$libs = nil
$objs = nil
$CFLAGS = nil
$LDFLAGS = nil
begin
system "mkdir " + target unless File.directory?(target)
Dir.chdir target
if $static_ext.size > 0 ||
!File.exist?("./Makefile") ||
older("./Makefile", "#{$topdir}/ext/@setup@") ||
older("./Makefile", "../extmk.rb") ||
older("./Makefile", "./extconf.rb")
then
$defs = []
if File.exist?("extconf.rb")
load "extconf.rb"
else
create_makefile(target);
end
end
if File.exist?("./Makefile")
if $install
system "make install"
elsif $clean
system "make clean"
else
system "make all"
end
end
if $static
$extlibs += " " + $LDFLAGS if $LDFLAGS
$extlibs += " " + $local_libs if $local_libs
$extlibs += " " + $libs if $libs
end
ensure
Dir.chdir ".."
end
end
# get static-link modules
$static_ext = {}
if File.file? "#{$topdir}/ext/@setup@"
f = open("#{$topdir}/ext/@setup@")
while f.gets()
$_.chop!
sub!(/#.*$/, '')
next if /^\s*$/
if /^option +nodynamic/
$nodynamic = TRUE
next
end
$static_ext[$_.split[0]] = TRUE
end
f.close
end
for d in Dir["#{$topdir}/ext/*"]
File.directory?(d) || next
File.file?(d + "/MANIFEST") || next
d = File.basename(d)
if $install
print "installing ", d, "\n"
elsif $clean
print "cleaning ", d, "\n"
else
print "compiling ", d, "\n"
end
extmake(d)
end
if $cache_mod
f = open("config.cache", "w")
for k,v in $lib_cache
f.printf "lib: %s %s\n", k, v
end
for k,v in $func_cache
f.printf "func: %s %s\n", k, v
end
for k,v in $hdr_cache
f.printf "hdr: %s %s\n", k, v
end
f.close
end
exit if $install or $clean
if $extlist.size > 0
for s,t in $extlist
f = format("%s/%s.o", s, t)
if File.exist?(f)
$extinit += format("\
\tInit_%s();\n\
\trb_provide(\"%s.o\");\n\
", t, t)
$extobjs += "ext/"
$extobjs += f
$extobjs += " "
else
FALSE
end
end
if older("extinit.c", "#{$topdir}/ext/@setup@")
f = open("extinit.c", "w")
f.printf "void Init_ext() {\n"
f.printf $extinit
f.printf "}\n"
f.close
end
if older("extinit.o", "extinit.c")
cmd = "@CC@ " + CFLAGS + " -c extinit.c"
print cmd, "\n"
system cmd or exit 1
end
Dir.chdir ".."
if older("ruby@binsuffix@", "#{$topdir}/ext/@setup@") or older("ruby@binsuffix@", "miniruby@binsuffix@")
`rm -f ruby@binsuffix@`
end
$extobjs = "ext/extinit.o " + $extobjs
system format('make ruby@binsuffix@ EXTOBJS="%s" EXTLIBS="%s"', $extobjs, $extlibs)
else
Dir.chdir ".."
if older("ruby@binsuffix@", "miniruby@binsuffix@")
`rm -f ruby@binsuffix@`
`cp miniruby@binsuffix@ ruby@binsuffix@`
end
end
#Local variables:
# mode: ruby
#end: