diff options
| author | Ulrich Drepper <drepper@gmail.com> | 2012-01-08 09:21:09 -0500 |
|---|---|---|
| committer | Ulrich Drepper <drepper@gmail.com> | 2012-01-08 09:21:09 -0500 |
| commit | 3857022a761ea7251f8e5c0e45d382ebc3e34cf9 (patch) | |
| tree | 1814420b391703d5162e420f2abf78a1ad432e16 /configure.in | |
| parent | 5c8e36b47849dcc712edc73ae094393234cb9a6f (diff) | |
| download | glibc-3857022a761ea7251f8e5c0e45d382ebc3e34cf9.tar.gz glibc-3857022a761ea7251f8e5c0e45d382ebc3e34cf9.tar.xz glibc-3857022a761ea7251f8e5c0e45d382ebc3e34cf9.zip | |
No need for test for __builtin_expect
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/configure.in b/configure.in index 30ad9628db..15f925e46a 100644 --- a/configure.in +++ b/configure.in @@ -1964,28 +1964,6 @@ if test "$libc_cv_c_asmcr0_bug" != 'no'; then fi fi -dnl Check whether compiler understands __builtin_expect. -AC_CACHE_CHECK(for __builtin_expect, libc_cv_gcc_builtin_expect, -[cat > conftest.c <<EOF -#line $LINENO "configure" -int foo (int a) -{ - a = __builtin_expect (a, 10); - return a == 10 ? 0 : 1; -} -EOF -dnl No \ in command here because it ends up inside ''. -if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -nostdlib -nostartfiles - -o conftest conftest.c -lgcc >&AS_MESSAGE_LOG_FD]); then - libc_cv_gcc_builtin_expect=yes -else - libc_cv_gcc_builtin_expect=no -fi -rm -f conftest*]) -if test "$libc_cv_gcc_builtin_expect" = no; then - AC_MSG_ERROR([support for __builtin_expect needed]) -fi - AC_CACHE_CHECK(for __builtin_memset, libc_cv_gcc_builtin_memset, [dnl cat > conftest.c <<\EOF void zero (void *x) |