diff options
Diffstat (limited to 'patches/glibc/2.15/991-builtin_expect.patch')
| -rw-r--r-- | patches/glibc/2.15/991-builtin_expect.patch | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/patches/glibc/2.15/991-builtin_expect.patch b/patches/glibc/2.15/991-builtin_expect.patch new file mode 100644 index 00000000..8a327fa7 --- /dev/null +++ b/patches/glibc/2.15/991-builtin_expect.patch @@ -0,0 +1,82 @@ +[As applied to 2.15] + +commit 3857022a761ea7251f8e5c0e45d382ebc3e34cf9 +Author: Ulrich Drepper <drepper@gmail.com> +Date: Sun Jan 8 09:21:09 2012 -0500 + + No need for test for __builtin_expect + +diff -urpN glibc-2.15.orig/configure glibc-2.15/configure +--- glibc-2.15.orig/configure 2017-02-08 12:47:52.580858002 -0800 ++++ glibc-2.15/configure 2017-02-08 13:01:40.682870318 -0800 +@@ -7185,38 +7185,6 @@ if test "$libc_cv_c_asmcr0_bug" != 'no'; + fi + fi + +-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_expect" >&5 +-$as_echo_n "checking for __builtin_expect... " >&6; } +-if ${libc_cv_gcc_builtin_expect+:} false; then : +- $as_echo_n "(cached) " >&6 +-else +- cat > conftest.c <<EOF +-#line $LINENO "configure" +-int foo (int a) +-{ +- a = __builtin_expect (a, 10); +- return a == 10 ? 0 : 1; +-} +-EOF +-if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -nostdlib -nostartfiles +- -o conftest conftest.c -lgcc >&5' +- { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 +- (eval $ac_try) 2>&5 +- ac_status=$? +- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 +- test $ac_status = 0; }; }; then +- libc_cv_gcc_builtin_expect=yes +-else +- libc_cv_gcc_builtin_expect=no +-fi +-rm -f conftest* +-fi +-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_gcc_builtin_expect" >&5 +-$as_echo "$libc_cv_gcc_builtin_expect" >&6; } +-if test "$libc_cv_gcc_builtin_expect" = no; then +- as_fn_error $? "support for __builtin_expect needed" "$LINENO" 5 +-fi +- + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_memset" >&5 + $as_echo_n "checking for __builtin_memset... " >&6; } + if ${libc_cv_gcc_builtin_memset+:} false; then : +diff -urpN glibc-2.15.orig/configure.in glibc-2.15/configure.in +--- glibc-2.15.orig/configure.in 2017-02-08 12:47:52.580858002 -0800 ++++ glibc-2.15/configure.in 2017-02-08 13:01:17.638580410 -0800 +@@ -2098,28 +2098,6 @@ if test "$libc_cv_c_asmcr0_bug" != 'no'; + 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) |