From patchwork Thu Aug 12 23:01:59 2010
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Subject: Avoid -lm and -lpthread in libjava on darwin
Date: Thu, 12 Aug 2010 13:01:59 -0000
From: Jack Howarth <howarth@bromo.med.uc.edu>
X-Patchwork-Id: 61653
Message-Id: <20100812230159.GA27587@bromo.med.uc.edu>
To: Mike Stump <mikestump@comcast.net>
Cc: gcc-patches@gcc.gnu.org, iains@gcc.gnu.org

Mike,
   On a different topic, what do you think about allowing
darwin to default to -fomit-frame-pointer on i386 like
linux? I assume the required change would be...


Any opinions?
           Jack


Index: configure.ac
===================================================================
--- configure.ac	(revision 163208)
+++ configure.ac	(working copy)
@@ -1584,7 +1584,7 @@
 [  --enable-frame-pointer  enable -fno-omit-frame-pointer by default for 32bit x86], [],
 [
 case $target_os in
-linux*)
+linux* | darwin*)
   # Enable -fomit-frame-pointer by default for Linux.
   enable_frame_pointer=no
   ;;
Index: config/i386/i386.c
===================================================================
--- config/i386/i386.c	(revision 163208)
+++ config/i386/i386.c	(working copy)
@@ -3276,9 +3276,8 @@
     {
       if (flag_zee == 2)
         flag_zee = 1;
-      /* Mach-O doesn't support omitting the frame pointer for now.  */
       if (flag_omit_frame_pointer == 2)
-	flag_omit_frame_pointer = (TARGET_MACHO ? 0 : 1);
+	flag_omit_frame_pointer = 1;
       if (flag_asynchronous_unwind_tables == 2)
 	flag_asynchronous_unwind_tables = 1;
       if (flag_pcc_struct_return == 2)
@@ -3288,10 +3287,8 @@
     {
       if (flag_zee == 2)
         flag_zee = 0;
-      /* Mach-O doesn't support omitting the frame pointer for now.  */
       if (flag_omit_frame_pointer == 2)
-	flag_omit_frame_pointer =
-	  (TARGET_MACHO ? 0 : !(USE_IX86_FRAME_POINTER || optimize_size));
+	flag_omit_frame_pointer = !(USE_IX86_FRAME_POINTER || optimize_size);
       if (flag_asynchronous_unwind_tables == 2)
 	flag_asynchronous_unwind_tables = !USE_IX86_FRAME_POINTER;
       if (flag_pcc_struct_return == 2)