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kexec-tools-klibc: Deliberately add -O2

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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>
This commit is contained in:
Khem Raj 2018-09-12 21:50:59 -07:00
parent 5028479bff
commit e5c84d8365
1 changed files with 1 additions and 1 deletions
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meta-initramfs/recipes-kernel/kexec/kexec-tools-klibc_git.bb
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@ -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"