From 6785caa3109e437a73f525059d0fd7418c5b37f9 Mon Sep 17 00:00:00 2001
From: ian <ian@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Tue, 20 Dec 2011 18:14:30 +0000
Subject: [PATCH] libgo: Fix use of -D_GNU_SOURCE and friends when building
 libgo.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@182548 138bc75d-0d04-0410-961f-82ee72b054a4
---
 libgo/Makefile.am       | 2 +-
 libgo/Makefile.in       | 2 +-
 libgo/configure         | 7 ++++---
 libgo/configure.ac      | 9 +++++----
 libgo/go/syscall/wait.c | 3 ---
 libgo/mksysinfo.sh      | 4 ----
 6 files changed, 11 insertions(+), 16 deletions(-)

diff --git a/libgo/Makefile.am b/libgo/Makefile.am
index 5bbeb890bd9..f146320b559 100644
--- a/libgo/Makefile.am
+++ b/libgo/Makefile.am
@@ -37,7 +37,7 @@ AM_CPPFLAGS = -I $(srcdir)/runtime $(LIBFFIINCS) $(PTHREAD_CFLAGS)
 ACLOCAL_AMFLAGS = -I ./config -I ../config
 
 AM_CFLAGS = -fexceptions -fplan9-extensions $(SPLIT_STACK) $(WARN_CFLAGS) \
-	$(STRINGOPS_FLAG) \
+	$(STRINGOPS_FLAG) $(OSCFLAGS) \
 	-I $(srcdir)/../libgcc -I $(MULTIBUILDTOP)../../gcc/include
 
 if USING_SPLIT_STACK
diff --git a/libgo/Makefile.in b/libgo/Makefile.in
index 70f3aca9ed8..627672eb93d 100644
--- a/libgo/Makefile.in
+++ b/libgo/Makefile.in
@@ -509,7 +509,7 @@ WARN_CFLAGS = $(WARN_FLAGS) $(WERROR)
 AM_CPPFLAGS = -I $(srcdir)/runtime $(LIBFFIINCS) $(PTHREAD_CFLAGS)
 ACLOCAL_AMFLAGS = -I ./config -I ../config
 AM_CFLAGS = -fexceptions -fplan9-extensions $(SPLIT_STACK) $(WARN_CFLAGS) \
-	$(STRINGOPS_FLAG) \
+	$(STRINGOPS_FLAG) $(OSCFLAGS) \
 	-I $(srcdir)/../libgcc -I $(MULTIBUILDTOP)../../gcc/include
 
 @USING_SPLIT_STACK_TRUE@AM_LDFLAGS = -XCClinker $(SPLIT_STACK)
diff --git a/libgo/configure b/libgo/configure
index 314399fc404..d9915f91afc 100755
--- a/libgo/configure
+++ b/libgo/configure
@@ -13804,22 +13804,23 @@ fi
 
 
 
+OSCFLAGS="-D_GNU_SOURCE -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
 case "$target" in
     mips-sgi-irix6.5*)
 	# IRIX 6 needs _XOPEN_SOURCE=500 for the XPG5 version of struct
 	# msghdr in <sys/socket.h>.
-	OSCFLAGS='-D_XOPEN_SOURCE=500'
+	OSCFLAGS="$OSCFLAGS -D_XOPEN_SOURCE=500"
 	;;
     *-*-solaris2.[89])
 	# Solaris 8/9 need this so struct msghdr gets the msg_control
 	# etc. fields in <sys/socket.h> (_XPG4_2).
-	OSCFLAGS='-D_XOPEN_SOURCE=500 -D_XOPEN_SOURCE_EXTENDED -D__EXTENSIONS__'
+	OSCFLAGS="$OSCFLAGS -D_XOPEN_SOURCE=500 -D_XOPEN_SOURCE_EXTENDED -D__EXTENSIONS__"
 	;;
     *-*-solaris2.1[01])
 	# Solaris 10+ needs this so struct msghdr gets the msg_control
 	# etc. fields in <sys/socket.h> (_XPG4_2).  _XOPEN_SOURCE=500 as
 	# above doesn't work with C99.
-	OSCFLAGS='-D_XOPEN_SOURCE=600 -D__EXTENSIONS__'
+	OSCFLAGS="$OSCFLAGS -D_XOPEN_SOURCE=600 -D__EXTENSIONS__"
 	;;
 esac
 
diff --git a/libgo/configure.ac b/libgo/configure.ac
index 6cb5f900203..a001d50b58a 100644
--- a/libgo/configure.ac
+++ b/libgo/configure.ac
@@ -277,23 +277,24 @@ AC_SUBST(GO_LIBCALL_OS_ARCH_FILE)
 AC_SUBST(GO_SYSCALL_OS_FILE)
 AC_SUBST(GO_SYSCALL_OS_ARCH_FILE)
 
-dnl Some targets need special flags to build sysinfo.go.
+dnl Special flags used to generate sysinfo.go.
+OSCFLAGS="-D_GNU_SOURCE -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
 case "$target" in
     mips-sgi-irix6.5*)
 	# IRIX 6 needs _XOPEN_SOURCE=500 for the XPG5 version of struct
 	# msghdr in <sys/socket.h>.
-	OSCFLAGS='-D_XOPEN_SOURCE=500'
+	OSCFLAGS="$OSCFLAGS -D_XOPEN_SOURCE=500"
 	;;
     *-*-solaris2.[[89]])
 	# Solaris 8/9 need this so struct msghdr gets the msg_control
 	# etc. fields in <sys/socket.h> (_XPG4_2).
-	OSCFLAGS='-D_XOPEN_SOURCE=500 -D_XOPEN_SOURCE_EXTENDED -D__EXTENSIONS__'
+	OSCFLAGS="$OSCFLAGS -D_XOPEN_SOURCE=500 -D_XOPEN_SOURCE_EXTENDED -D__EXTENSIONS__"
 	;;
     *-*-solaris2.1[[01]])
 	# Solaris 10+ needs this so struct msghdr gets the msg_control
 	# etc. fields in <sys/socket.h> (_XPG4_2).  _XOPEN_SOURCE=500 as
 	# above doesn't work with C99.
-	OSCFLAGS='-D_XOPEN_SOURCE=600 -D__EXTENSIONS__'
+	OSCFLAGS="$OSCFLAGS -D_XOPEN_SOURCE=600 -D__EXTENSIONS__"
 	;;
 esac
 AC_SUBST(OSCFLAGS)
diff --git a/libgo/go/syscall/wait.c b/libgo/go/syscall/wait.c
index d3c90d74ea1..fd7b65e2414 100644
--- a/libgo/go/syscall/wait.c
+++ b/libgo/go/syscall/wait.c
@@ -7,9 +7,6 @@
    We use C code to extract the wait status so that we can easily be
    OS-independent.  */
 
-#define _GNU_SOURCE
-#define __EXTENSIONS__
-
 #include <stdint.h>
 #include <sys/wait.h>
 
diff --git a/libgo/mksysinfo.sh b/libgo/mksysinfo.sh
index a5e8144cd77..ca9e5f686b1 100755
--- a/libgo/mksysinfo.sh
+++ b/libgo/mksysinfo.sh
@@ -25,10 +25,6 @@ rm -f sysinfo.c
 cat > sysinfo.c <<EOF
 #include "config.h"
 
-#define _GNU_SOURCE
-#define _LARGEFILE_SOURCE
-#define _FILE_OFFSET_BITS 64
-
 #include <sys/types.h>
 #include <dirent.h>
 #include <errno.h>
-- 
2.11.0