diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/configure.in b/configure.in index e7dfcc59a3..9866d4b8aa 100644 --- a/configure.in +++ b/configure.in @@ -921,6 +921,18 @@ else fi fi +if test "$host_cpu" = powerpc ; then +# Check for a bug present in at least versions 2.8.x of GCC +# and versions 1.0.x of EGCS. +AC_CACHE_CHECK(whether clobbering cr0 causes problems,libc_cv_c_asmcr0_bug,[dnl +AC_TRY_COMPILE([int tester(int x) { asm ("" : : : "cc"); return x & 123; }],, + libc_cv_c_asmcr0_bug='no', + libc_cv_c_asmcr0_bug='yes')]) +if test "$libc_cv_c_asmcr0_bug" != 'no'; then + AC_DEFINE(BROKEN_PPC_ASM_CR0) +fi +fi + AC_CACHE_CHECK(for DWARF2 unwind info support, libc_cv_gcc_dwarf2_unwind_info, [cat > conftest.c <<EOF #line __oline__ "configure" |