Upstream-Status: Backport Subject: always check for __BYTE_ORDER == __BIG_ENDIAN when checking for endianess Let's always stick to glibc's way to determine byte order, and not mix autoconf-specific checks with gcc checks. Signed-off-by: Chen Qi --- src/shared/architecture.h | 12 ++++++------ src/shared/gpt.h | 4 ++-- src/shared/time-dst.c | 6 +++--- 3 files changed, 11 insertions(+), 11 deletions(-) diff --git a/src/shared/architecture.h b/src/shared/architecture.h index 4821d5d..58e97e5 100644 --- a/src/shared/architecture.h +++ b/src/shared/architecture.h @@ -80,7 +80,7 @@ Architecture uname_architecture(void); # define native_architecture() ARCHITECTURE_X86 # define LIB_ARCH_TUPLE "i386-linux-gnu" #elif defined(__powerpc64__) -# if defined(WORDS_BIGENDIAN) +# if __BYTE_ORDER == __BIG_ENDIAN # define native_architecture() ARCHITECTURE_PPC64 # define LIB_ARCH_TUPLE "ppc64-linux-gnu" # else @@ -88,7 +88,7 @@ Architecture uname_architecture(void); # error "Missing LIB_ARCH_TUPLE for PPC64LE" # endif #elif defined(__powerpc__) -# if defined(WORDS_BIGENDIAN) +# if __BYTE_ORDER == __BIG_ENDIAN # define native_architecture() ARCHITECTURE_PPC # define LIB_ARCH_TUPLE "powerpc-linux-gnu" # else @@ -117,7 +117,7 @@ Architecture uname_architecture(void); # define native_architecture() ARCHITECTURE_SPARC # define LIB_ARCH_TUPLE "sparc-linux-gnu" #elif defined(__mips64__) -# if defined(WORDS_BIGENDIAN) +# if __BYTE_ORDER == __BIG_ENDIAN # define native_architecture() ARCHITECTURE_MIPS64 # error "Missing LIB_ARCH_TUPLE for MIPS64" # else @@ -125,7 +125,7 @@ Architecture uname_architecture(void); # error "Missing LIB_ARCH_TUPLE for MIPS64_LE" # endif #elif defined(__mips__) -# if defined(WORDS_BIGENDIAN) +# if __BYTE_ORDER == __BIG_ENDIAN # define native_architecture() ARCHITECTURE_MIPS # define LIB_ARCH_TUPLE "mips-linux-gnu" # else @@ -136,7 +136,7 @@ Architecture uname_architecture(void); # define native_architecture() ARCHITECTURE_ALPHA # define LIB_ARCH_TUPLE "alpha-linux-gnu" #elif defined(__aarch64__) -# if defined(WORDS_BIGENDIAN) +# if __BYTE_ORDER == __BIG_ENDIAN # define native_architecture() ARCHITECTURE_ARM64_BE # define LIB_ARCH_TUPLE "aarch64_be-linux-gnu" # else @@ -144,7 +144,7 @@ Architecture uname_architecture(void); # define LIB_ARCH_TUPLE "aarch64-linux-gnu" # endif #elif defined(__arm__) -# if defined(WORDS_BIGENDIAN) +# if __BYTE_ORDER == __BIG_ENDIAN # define native_architecture() ARCHITECTURE_ARM_BE # if defined(__ARM_EABI__) # if defined(__ARM_PCS_VFP) diff --git a/src/shared/gpt.h b/src/shared/gpt.h index 64090e0..278940b 100644 --- a/src/shared/gpt.h +++ b/src/shared/gpt.h @@ -42,10 +42,10 @@ # define GPT_ROOT_NATIVE GPT_ROOT_X86 #endif -#if defined(__aarch64__) && !defined(WORDS_BIGENDIAN) +#if defined(__aarch64__) && (__BYTE_ORDER != __BIG_ENDIAN) # define GPT_ROOT_NATIVE GPT_ROOT_ARM_64 # define GPT_ROOT_SECONDARY GPT_ROOT_ARM -#elif defined(__arm__) && !defined(WORDS_BIGENDIAN) +#elif defined(__arm__) && (__BYTE_ORDER != __BIG_ENDIAN) # define GPT_ROOT_NATIVE GPT_ROOT_ARM #endif diff --git a/src/shared/time-dst.c b/src/shared/time-dst.c index ceca2fa..6195b11 100644 --- a/src/shared/time-dst.c +++ b/src/shared/time-dst.c @@ -207,8 +207,8 @@ read_again: if (type_idxs[i] >= num_types) return -EINVAL; - if (BYTE_ORDER == BIG_ENDIAN ? sizeof(time_t) == 8 && trans_width == 4 - : sizeof(time_t) == 4 || trans_width == 4) { + if (__BYTE_ORDER == __BIG_ENDIAN ? sizeof(time_t) == 8 && trans_width == 4 + : sizeof(time_t) == 4 || trans_width == 4) { /* Decode the transition times, stored as 4-byte integers in network (big-endian) byte order. We work from the end of the array so as not to clobber the next element to be @@ -216,7 +216,7 @@ read_again: i = num_transitions; while (i-- > 0) transitions[i] = decode((char *)transitions + i * 4); - } else if (BYTE_ORDER != BIG_ENDIAN && sizeof(time_t) == 8) { + } else if (__BYTE_ORDER != __BIG_ENDIAN && sizeof(time_t) == 8) { /* Decode the transition times, stored as 8-byte integers in network (big-endian) byte order. */ for (i = 0; i < num_transitions; ++i) -- 1.7.9.5