[PATCH 5/9] Always use -O2 for compiling fork.c

[Khem Raj]

When compiling in thumb mode for arm with -Os gcc gives up since it can
not find registers to spill. So we use -O2 option for compiling fork.c
It may be addressable in gcc.

Signed-off-by: Khem Raj <raj.khem at gmail.com>
---
 libpthread/nptl/sysdeps/unix/sysv/linux/arm/Makefile.arch | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/arm/Makefile.arch b/libpthread/nptl/sysdeps/unix/sysv/linux/arm/Makefile.arch
index 0ea0b29..0767e9c 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/arm/Makefile.arch
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/arm/Makefile.arch
@@ -21,3 +21,9 @@ ASFLAGS-pt-vfork.S = -marm
 CFLAGS-OMIT-pt-vfork.S = -mthumb
 ASFLAGS-vfork.S = -marm
 CFLAGS-OMIT-vfork.S = -mthumb
+
+# For arm fork.c does not compile with -Os when compiling
+# in thumb1 mode
+ifeq ($(COMPILE_IN_THUMB_MODE),y)
+CFLAGS-fork.c = -O2
+endif
-- 
2.6.2