GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. # Local configure fragment for sysdeps/arm. dnl It is always possible to access static and hidden symbols in an dnl position independent way. dnl NOTE: This feature was added by the GCC TLS patches. We should test for dnl it. Until we do, don't define it. #AC_DEFINE(PI_STATIC_AND_HIDDEN) AC_CACHE_CHECK([whether the CFI directive .cfi_sections is supported], [libc_cv_asm_cfi_directive_sections], [cat > conftest.s <&AS_MESSAGE_LOG_FD); then libc_cv_asm_cfi_directive_sections=yes else libc_cv_asm_cfi_directive_sections=no fi rm -f conftest*]) if test $libc_cv_asm_cfi_directive_sections != yes; then AC_MSG_ERROR([need .cfi_sections in this configuration]) fi # We check to see if the compiler and flags are # selecting the hard-float ABI and if they are then # we set libc_cv_arm_pcs_vfp to yes which causes # HAVE_ARM_PCS_VFP to be defined in config.h and # in include/libc-symbols.h and thus available to # shlib-versions to select the appropriate name for # the dynamic linker via %ifdef. AC_CACHE_CHECK([whether the compiler is using the ARM hard-float ABI], [libc_cv_arm_pcs_vfp], [AC_EGREP_CPP(yes,[#ifdef __ARM_PCS_VFP yes #endif ], libc_cv_arm_pcs_vfp=yes, libc_cv_arm_pcs_vfp=no)]) if test $libc_cv_arm_pcs_vfp = yes; then AC_DEFINE(HAVE_ARM_PCS_VFP) fi