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fix build under Mac OS X with PowerPC CPU

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revert 44036c9a9b because auxv.h is only
available under Linux and FreeBSD.
This commit is contained in:
Thomas BERNARD 2020-02-09 23:04:08 +01:00 committed by Erik de Castro Lopo
parent e0b62a61a7
commit 4fbb6d4f2e
2 changed files with 14 additions and 7 deletions
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4
configure.ac
View File

@ -144,7 +144,7 @@ case "$host_cpu" in
powerpc64|powerpc64le)
cpu_ppc64=true
cpu_ppc=true
AC_CHECK_HEADER(sys/auxv.h, AC_DEFINE(FLAC__CPU_PPC))
AC_DEFINE(FLAC__CPU_PPC)
AH_TEMPLATE(FLAC__CPU_PPC, [define if building for PowerPC])
AC_DEFINE(FLAC__CPU_PPC64)
AH_TEMPLATE(FLAC__CPU_PPC64, [define if building for PowerPC64])
@ -152,7 +152,7 @@ case "$host_cpu" in
;;
powerpc|powerpcle)
cpu_ppc=true
AC_CHECK_HEADER(sys/auxv.h, AC_DEFINE(FLAC__CPU_PPC))
AC_DEFINE(FLAC__CPU_PPC)
AH_TEMPLATE(FLAC__CPU_PPC, [define if building for PowerPC])
asm_optimisation=$asm_opt
;;

17
src/libFLAC/cpu.c
View File

@ -54,8 +54,10 @@
#endif
#if defined FLAC__CPU_PPC
#if defined(__linux__) || (defined(__FreeBSD__) && (__FreeBSD__ >= 12))
#include <sys/auxv.h>
#endif
#endif
#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && (defined FLAC__HAS_NASM || FLAC__HAS_X86INTRIN) && !defined FLAC__NO_ASM
@ -251,18 +253,23 @@ ppc_cpu_info (FLAC__CPUInfo *info)
} else if (getauxval(AT_HWCAP2) & PPC_FEATURE2_ARCH_2_07) {
info->ppc.arch_2_07 = true;
}
#elif defined(__FreeBSD__)
#elif defined(__FreeBSD__) && (__FreeBSD__ >= 12)
long hwcaps;
/* elf_aux_info() appeared in FreeBSD 12.0 */
elf_aux_info(AT_HWCAP2, &hwcaps, sizeof(hwcaps));
#else
#error Unsupported platform! Please add support for reading ppc hwcaps.
#endif
if (hwcaps & PPC_FEATURE2_ARCH_3_00) {
info->ppc.arch_3_00 = true;
} else if (hwcaps & PPC_FEATURE2_ARCH_2_07) {
info->ppc.arch_2_07 = true;
}
#elif defined(__APPLE__)
/* no Mac OS X version supports CPU with Power AVI v2.07 or better */
info->ppc.arch_2_07 = false;
info->ppc.arch_3_00 = false;
#else
#error Unsupported platform! Please add support for reading ppc hwcaps.
#endif
#else
info->ppc.arch_2_07 = false;
info->ppc.arch_3_00 = false;