1 files changed, 343 insertions, 0 deletions
diff --git a/lib/mkmf.rb b/lib/mkmf.rb
new file mode 100644
index 0000000000..2bf3684920
--- /dev/null
+++ b/lib/mkmf.rb
@@ -0,0 +1,343 @@
+# 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 = []
+