mkmf.rb: translate to assembler

* lib/mkmf.rb (create_makefile): add rules to translate to
  assembler sources.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47843 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 22 insertions, 3 deletions

diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index 2a83189e30..cb66d88ccc 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -2358,20 +2358,28 @@ site-install-rb: install-rb
     return unless target
 
     mfile.puts SRC_EXT.collect {|e| ".path.#{e} = $(VPATH)"} if $nmake == ?b
-    mfile.print ".SUFFIXES: .#{SRC_EXT.join(' .')} .#{$OBJEXT}\n"
+    mfile.print ".SUFFIXES: .#{(SRC_EXT + [$OBJEXT, $ASMEXT]).compact.join(' .')}\n"
     mfile.print "\n"
 
     compile_command = "\n\t$(ECHO) compiling $(<#{rsep})\n\t$(Q) %s\n\n"
+    command = compile_command % COMPILE_CXX
+    asm_command = compile_command.sub(/compiling/, 'translating') % ASSEMBLE_CXX
     CXX_EXT.each do |e|
       each_compile_rules do |rule|
         mfile.printf(rule, e, $OBJEXT)
-        mfile.printf(compile_command, COMPILE_CXX)
+        mfile.print(command)
+        mfile.printf(rule, e, $ASMEXT)
+        mfile.print(asm_command)
       end
     end
+    command = compile_command % COMPILE_C
+    asm_command = compile_command.sub(/compiling/, 'translating') % ASSEMBLE_C
     C_EXT.each do |e|
       each_compile_rules do |rule|
         mfile.printf(rule, e, $OBJEXT)
-        mfile.printf(compile_command, COMPILE_C)
+        mfile.print(command)
+        mfile.printf(rule, e, $ASMEXT)
+        mfile.print(asm_command)
       end
     end
 
@@ -2444,6 +2452,7 @@ site-install-rb: install-rb
     $LIBEXT = config['LIBEXT'].dup
     $OBJEXT = config["OBJEXT"].dup
     $EXEEXT = config["EXEEXT"].dup
+    $ASMEXT = config_string('ASMEXT', &:dup) || 'S'
     $LIBS = "#{config['LIBS']} #{config['DLDLIBS']}"
     $LIBRUBYARG = ""
     $LIBRUBYARG_STATIC = config['LIBRUBYARG_STATIC']
@@ -2592,6 +2601,16 @@ MESSAGE
   COMPILE_CXX = config_string('COMPILE_CXX') || '$(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) $(COUTFLAG)$@ -c $<'
 
   ##
+  # Command which will translate C files to assembler sources in the generated Makefile
+
+  ASSEMBLE_C = config_string('ASSEMBLE_C') || COMPILE_C.sub(/(?<=\s)-c(?=\s)/, '-S')
+
+  ##
+  # Command which will translate C++ files to assembler sources in the generated Makefile
+
+  ASSEMBLE_CXX = config_string('ASSEMBLE_CXX') || COMPILE_CXX.sub(/(?<=\s)-c(?=\s)/, '-S')
+
+  ##
   # Command which will compile a program in order to test linking a library
 
   TRY_LINK = config_string('TRY_LINK') ||