| GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. |
| # Local configure fragment for sysdeps/unix/sysv/linux/powerpc/powerpc64/. |
| |
| LIBC_SLIBDIR_RTLDDIR([lib64], [lib64]) |
| |
| # Define default-abi according to compiler flags. |
| AC_CACHE_CHECK([whether the compiler is using the PowerPC64 ELFv2 ABI], |
| [libc_cv_ppc64_elfv2_abi], |
| [AC_EGREP_CPP(yes,[#if _CALL_ELF == 2 |
| yes |
| #endif |
| ], libc_cv_ppc64_elfv2_abi=yes, libc_cv_ppc64_elfv2_abi=no)]) |
| if test $libc_cv_ppc64_elfv2_abi = yes; then |
| LIBC_CONFIG_VAR([default-abi], [64-v2]) |
| # For shlib-versions. |
| AC_DEFINE(HAVE_ELFV2_ABI) |
| else |
| LIBC_CONFIG_VAR([default-abi], [64-v1]) |
| # Compiler that do not support ELFv2 ABI does not define _CALL_ELF |
| AC_CACHE_CHECK([whether the compiler defines _CALL_ELF], |
| [libc_cv_ppc64_def_call_elf], |
| [AC_EGREP_CPP(yes,[#ifdef _CALL_ELF |
| yes |
| #endif |
| ], libc_cv_ppc64_def_call_elf=yes, libc_cv_ppc64_def_call_elf=no)]) |
| if test $libc_cv_ppc64_def_call_elf = no; then |
| libc_extra_cppflags="$libc_extra_cppflags -D_CALL_ELF=1" |
| fi |
| fi |
| # Set minimum kernel version for ppc64le. |
| AC_CACHE_CHECK([the machine type to set minimum kernel version], |
| [libc_cv_ppc64_le], |
| [AC_EGREP_CPP(yes,[#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
| yes |
| #endif |
| ], arch_minimum_kernel=3.10.0, libc_cv_ppc64_le=no)]) |
