diff options
Diffstat (limited to 'nptl/sysdeps/x86_64/configure.ac')
| -rw-r--r-- | nptl/sysdeps/x86_64/configure.ac | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/nptl/sysdeps/x86_64/configure.ac b/nptl/sysdeps/x86_64/configure.ac new file mode 100644 index 0000000000..0ba0cc3726 --- /dev/null +++ b/nptl/sysdeps/x86_64/configure.ac @@ -0,0 +1,23 @@ +GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. +# Local configure fragment for sysdeps/i386. + +AC_CACHE_CHECK([for .cfi_personality and .cfi_lsda pseudo-ops], + libc_cv_asm_cfi_personality, [dnl + cat > conftest.s <<EOF +${libc_cv_dot_text} +foo: + .cfi_startproc + .cfi_personality 0, foo + .cfi_lsda 0, foo + .cfi_endproc +EOF + if AC_TRY_COMMAND(${CC-cc} $ASFLAGS -c conftest.s 1>&AS_MESSAGE_LOG_FD); then + libc_cv_asm_cfi_personality=yes + else + libc_cv_asm_cfi_personality=no + fi + rm -f conftest* +]) +if test x"$libc_cv_asm_cfi_personality" != xyes; then + AC_MSG_ERROR([assembler too old, .cfi_personality support missing]) +fi |