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[oe,meta-initramfs] kexec-tools-klibc: Deliberately add -O2

Message ID 20180913072428.33129-1-raj.khem@gmail.com
State Accepted
Commit e5c84d8365f4d56c01aafe2ceee11d198adf4d30
Headers show
Series [oe,meta-initramfs] kexec-tools-klibc: Deliberately add -O2 | expand

Commit Message

Khem Raj Sept. 13, 2018, 7:24 a.m. UTC 
This helps the compiler to be more aggressive and do the expected
optimizations to remove unused code which otherwise gets flagged on some
architectures e.g. armv7l

errors like
undefined reference to `bad_unaligned_access_length'

Also see
http://lists.infradead.org/pipermail/kexec/2009-August/003488.html

Signed-off-by: Khem Raj <raj.khem@gmail.com>

Cc: Andrea Adami <andrea.adami@gmail.com>
---
 meta-initramfs/recipes-kernel/kexec/kexec-tools-klibc_git.bb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

-- 
2.19.0

-- 
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diff mbox series

Patch

diff --git a/meta-initramfs/recipes-kernel/kexec/kexec-tools-klibc_git.bb b/meta-initramfs/recipes-kernel/kexec/kexec-tools-klibc_git.bb
index fe34671987..25f5da48da 100644
--- a/meta-initramfs/recipes-kernel/kexec/kexec-tools-klibc_git.bb
+++ b/meta-initramfs/recipes-kernel/kexec/kexec-tools-klibc_git.bb
@@ -60,7 +60,7 @@  EXTRA_OECONF += "--without-zlib --without-lzma --without-xen"
 
 # fix purgatory/printf.c:2:10: fatal error: limits.h: No such file or directory
 # fix include/limits.h:42:10: fatal error: bitsize/limits.h: No such file or directory
-COMMON_CFLAGS += "-I${STAGING_DIR_HOST}${libdir}/klibc/include -I${S}/purgatory/include"
+COMMON_CFLAGS += "-O2 -I${STAGING_DIR_HOST}${libdir}/klibc/include -I${S}/purgatory/include"
 CFLAGS_x86_append = " ${COMMON_CFLAGS} -I${STAGING_DIR_HOST}${libdir}/klibc/include/bits32"
 CFLAGS_x86-64_append = " ${COMMON_CFLAGS} -I${STAGING_DIR_HOST}${libdir}/klibc/include/bits64"
 CFLAGS_arm_append = " ${COMMON_CFLAGS} -I${STAGING_DIR_HOST}${libdir}/klibc/include/bits32"