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-rw-r--r--meta/recipes-core/uclibc/uclibc-git/compile-arm-fork-with-O2.patch21
1 files changed, 21 insertions, 0 deletions
diff --git a/meta/recipes-core/uclibc/uclibc-git/compile-arm-fork-with-O2.patch b/meta/recipes-core/uclibc/uclibc-git/compile-arm-fork-with-O2.patch
new file mode 100644
index 0000000..15ee0ca
--- /dev/null
+++ b/meta/recipes-core/uclibc/uclibc-git/compile-arm-fork-with-O2.patch
@@ -0,0 +1,21 @@
1When compiling in thumb mode for arm with -Os gcc gives up since it can not find registers
2to spill. So we use -O2 option for compiling fork.c It may be addressable in gcc.
3
4Signed-off-by: Khem Raj <raj.khem@gmail.com>
5
6Upstream-Status: Pending
7
8diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/arm/Makefile.arch b/libpthread/nptl/sysdeps/unix/sysv/linux/arm/Makefile.arch
9index 329d8a9..41e3646 100644
10--- a/libpthread/nptl/sysdeps/unix/sysv/linux/arm/Makefile.arch
11+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/arm/Makefile.arch
12@@ -30,3 +30,9 @@ CFLAGS-OMIT-libc-lowlevellock.c = -DNOT_IN_libc -DIS_IN_libpthread
13 # This macro should be alternatively implemented in THUMB
14 # assembly.
15 ASFLAGS-vfork.S = -marm
16+
17+# For arm fork.c does not compile with -Os when in compiling
18+# in thumb1 mode
19+ifeq ($(COMPILE_IN_THUMB_MODE),y)
20+CFLAGS-fork.c = -O2
21+endif