Accepting request 143481 from home:a_faerber:branches:Virtualization

Update build OOM workaround patch to v3.

OBS-URL: https://build.opensuse.org/request/show/143481
OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=120

0033-build-compile-translate.o-with-fno-.patch

@@ -1,37 +1,70 @@
-From 877b2cbdae68c741bb63d45db17fdc243fc3450a Mon Sep 17 00:00:00 2001
+From 132be91691913225f5541b66463db6e084221a1b Mon Sep 17 00:00:00 2001
 From: Paolo Bonzini <pbonzini@redhat.com>
-Date: Tue, 27 Nov 2012 17:21:03 +0100
-Subject: [PATCH] build: compile translate.o with -fno-gcse option
+Date: Wed, 28 Nov 2012 09:40:23 +0100
+Subject: [PATCH] build: compile translate.o with -fno-gcse option on GCC
+ 4.6.x and 4.7.[012]
 MIME-Version: 1.0
 Content-Type: text/plain; charset=UTF-8
 Content-Transfer-Encoding: 8bit
 
-Some versions of GCC require insane (>2GB) amounts of memory to compile
+These versions of GCC require insane (>2GB) amounts of memory to compile
 translate.o.  As a countermeasure, disable the culprit optimization pass.
-This should fix the buildbot failure for default_x86_64_fedora16.
-Anyway is a good thing to do because people will try to compile 1.3 with
+This should fix the buildbot failure for default_x86_64_fedora16.  Anyway
+this is a good thing to do because people will try to compile 1.3 with
 less than 2GB of memory and complain.
 
 Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
 Signed-off-by: Andreas Färber <afaerber@suse.de>
 ---
- Makefile.target |    6 ++++++
- 1 Datei geändert, 6 Zeilen hinzugefügt(+)
+ Makefile.target |    3 +++
+ configure       |   16 ++++++++++++++++
+ 2 Dateien geändert, 19 Zeilen hinzugefügt(+)
 
 diff --git a/Makefile.target b/Makefile.target
-index 206a232..d1c519f 100644
+index 206a232..dc7efe9 100644
 --- a/Makefile.target
 +++ b/Makefile.target
-@@ -149,6 +149,12 @@ GENERATED_HEADERS += hmp-commands.h qmp-commands-old.h
+@@ -149,6 +149,9 @@ GENERATED_HEADERS += hmp-commands.h qmp-commands-old.h
  
  endif # CONFIG_SOFTMMU
  
-+# Workaround for http://gcc.gnu.org/PR55489.  Happens with -fPIE/-fPIC
-+# and large functions that use global variables.  The bug is in all
-+# releases of GCC, but it became particularly acute in 4.7.x.  We
-+# should be able to delete this at the end of 2013.
-+%/translate.o: QEMU_CFLAGS += -fno-gcse
++# Workaround for http://gcc.gnu.org/PR55489, see configure.
++%/translate.o: QEMU_CFLAGS += $(TRANSLATE_OPT_CFLAGS)
 +
  nested-vars += obj-y
  ifdef CONFIG_LINUX_USER
  nested-vars += obj-binfmt-y
+diff --git a/configure b/configure
+index 92c010f..401f369 100755
+--- a/configure
++++ b/configure
+@@ -1185,6 +1185,21 @@ for flag in $gcc_flags; do
+     fi
+ done
+ 
++# Workaround for http://gcc.gnu.org/PR55489.  Happens with -fPIE/-fPIC and
++# large functions that use global variables.  The bug is in all releases of
++# GCC, but it became particularly acute in 4.6.x and 4.7.x.  It is fixed in
++# 4.7.3 and 4.8.0.  We should be able to delete this at the end of 2013.
++cat > $TMPC << EOF
++#if __GNUC__ == 4 && (__GNUC_MINOR__ == 6 || (__GNUC_MINOR__ == 7 && __GNUC_PATCHLEVEL__ <= 2))
++int main(void) { return 0; }
++#else
++#error No bug in this compiler.
++#endif
++EOF
++if compile_prog "-Werror -fno-gcse" "" ; then
++  TRANSLATE_OPT_CFLAGS=-fno-gcse
++fi
++
+ if test "$static" = "yes" ; then
+   if test "$pie" = "yes" ; then
+     echo "static and pie are mutually incompatible"
+@@ -3664,6 +3679,7 @@ echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
+ echo "EXESUF=$EXESUF" >> $config_host_mak
+ echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
+ echo "POD2MAN=$POD2MAN" >> $config_host_mak
++echo "TRANSLATE_OPT_CFLAGS=$TRANSLATE_OPT_CFLAGS" >> $config_host_mak
+ 
+ # generate list of library paths for linker script
+ 

qemu.changes

@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Nov 28 12:26:39 UTC 2012 - afaerber@suse.de
+
+- Replace -fno-gcse patch with v3
+
 -------------------------------------------------------------------
 Tue Nov 27 16:34:29 UTC 2012 - afaerber@suse.de