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| author |   Khem Raj <raj.khem@gmail.com> | 2011-05-26 22:42:51 -0700 |
|---|---|---|
| committer |   Richard Purdie <richard.purdie@linuxfoundation.org> | 2011-05-27 16:54:45 +0100 |
| commit | 7011d80c6cabc304e06237d167143d577fdd2570 (patch) | |
| tree | 02b608b2b33451e105a354dc2d494d56da746ea3 /meta/recipes-core/uclibc/uclibc-git | |
| parent | a6a892f520d22ef8020c98528d38ee08f6cda034 (diff) | |
| download | openembedded-core-contrib-7011d80c6cabc304e06237d167143d577fdd2570.tar.gz | |
uclibc_git.bb: Fix compilation on arm when using thumb instruction set
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Diffstat (limited to 'meta/recipes-core/uclibc/uclibc-git')
| -rw-r--r-- | meta/recipes-core/uclibc/uclibc-git/append_UCLIBC_EXTRA_CFLAGS.patch | 33 | ||||
| -rw-r--r-- | meta/recipes-core/uclibc/uclibc-git/compile-arm-fork-with-O2.patch | 21 |
2 files changed, 54 insertions, 0 deletions
diff --git a/meta/recipes-core/uclibc/uclibc-git/append_UCLIBC_EXTRA_CFLAGS.patch b/meta/recipes-core/uclibc/uclibc-git/append_UCLIBC_EXTRA_CFLAGS.patch new file mode 100644 index 0000000000..edcb4e324b --- /dev/null +++ b/meta/recipes-core/uclibc/uclibc-git/append_UCLIBC_EXTRA_CFLAGS.patch @@ -0,0 +1,33 @@ +UCLIBC_EXTRA_CFLAGS is currently added before the OPTIMIZATION flags +and OPTIMIZATION is chosen to be Os by default. But in OE we pass the optimisation +flags through UCLIBC_EXTRA_CFLAGS but they are not effective since -Os is +specified at last. So we need to change the order of these option flags + +Signed-off-by: Khem Raj <raj.khem@gmail.com> + +Upstream-Status: Pending + +diff --git a/Rules.mak b/Rules.mak +index 65fe47c..eca7f40 100644 +--- a/Rules.mak ++++ b/Rules.mak +@@ -585,9 +574,6 @@ CFLAGS := -include $(top_srcdir)include/libc-symbols.h \ + -nostdinc -I$(top_builddir)include -I$(top_srcdir)include -I. \ + -I$(top_srcdir)libc/sysdeps/linux \ + -I$(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH) +-ifneq ($(strip $(UCLIBC_EXTRA_CFLAGS)),"") +-CFLAGS += $(call qstrip,$(UCLIBC_EXTRA_CFLAGS)) +-endif + + # We need this to be checked within libc-symbols.h + ifneq ($(HAVE_SHARED),y) +@@ -633,6 +619,9 @@ LDFLAGS += -Wl,-s + else + STRIPTOOL := true -Stripping_disabled + endif ++ifneq ($(strip $(UCLIBC_EXTRA_CFLAGS)),"") ++CFLAGS += $(call qstrip,$(UCLIBC_EXTRA_CFLAGS)) ++endif + + ifeq ($(DOMULTI),y) + # we try to compile all sources at once into an object (IMA), but diff --git a/meta/recipes-core/uclibc/uclibc-git/compile-arm-fork-with-O2.patch b/meta/recipes-core/uclibc/uclibc-git/compile-arm-fork-with-O2.patch new file mode 100644 index 0000000000..429f27dfc4 --- /dev/null +++ b/meta/recipes-core/uclibc/uclibc-git/compile-arm-fork-with-O2.patch @@ -0,0 +1,21 @@ +When compiling in thumb mode for arm with -Os gcc gives up since it can not find registers +to spill. So we use -O2 option for compiling fork.c It may be addressable is gcc. + +Signed-off-by: Khem Raj <raj.khem@gmail.com> + +Upstream-Status: Pending + +diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/arm/Makefile.arch b/libpthread/nptl/sysdeps/unix/sysv/linux/arm/Makefile.arch +index 329d8a9..41e3646 100644 +--- a/libpthread/nptl/sysdeps/unix/sysv/linux/arm/Makefile.arch ++++ b/libpthread/nptl/sysdeps/unix/sysv/linux/arm/Makefile.arch +@@ -30,3 +30,9 @@ CFLAGS-OMIT-libc-lowlevellock.c = -DNOT_IN_libc -DIS_IN_libpthread + # This macro should be alternatively implemented in THUMB + # assembly. + ASFLAGS-vfork.S = -marm ++ ++# For arm fork.c does not compile with -Os when in compiling ++# in thumb1 mode ++ifeq ($(COMPILE_IN_THUMB_MODE),y) ++CFLAGS-fork.c = -O2 ++endif |