diff options
| author | H.J. Lu <hjl@lucon.org> | 2007-07-11 19:09:22 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl@lucon.org> | 2007-07-11 19:09:22 +0000 |
| commit | 18e9f3b9551b46bbe10be598b5b844894966d5a9 (patch) | |
| tree | ce86a9d6b98a0f0bb81274ccf38198c0132cde9f /config | |
| parent | c137715692b617fb317361a1f378c79cc882ed2a (diff) | |
| download | binutils-redhat-18e9f3b9551b46bbe10be598b5b844894966d5a9.tar.gz | |
2007-07-06 H.J. Lu <hongjiu.lu@intel.com>
* tls.m4 (GCC_CHECK_CC_TLS): New.
2007-07-05 Sebastian Pop <sebpop@gmail.com>
PR bootstrap/32622
* mh-x86omitfp (BOOT_CFLAGS): Add -fomit-frame-pointer,
don't reset its value.
Diffstat (limited to 'config')
| -rw-r--r-- | config/ChangeLog | 10 | ||||
| -rw-r--r-- | config/mh-x86omitfp | 2 | ||||
| -rw-r--r-- | config/tls.m4 | 13 |
3 files changed, 24 insertions, 1 deletions
diff --git a/config/ChangeLog b/config/ChangeLog index 3c43dcde1e..ffa8a92cd7 100644 --- a/config/ChangeLog +++ b/config/ChangeLog @@ -1,3 +1,13 @@ +2007-07-06 H.J. Lu <hongjiu.lu@intel.com> + + * tls.m4 (GCC_CHECK_CC_TLS): New. + +2007-07-05 Sebastian Pop <sebpop@gmail.com> + + PR bootstrap/32622 + * mh-x86omitfp (BOOT_CFLAGS): Add -fomit-frame-pointer, + don't reset its value. + 2007-06-27 Mike Stump <mrs@apple.com> * acx.m4 (ACX_CHECK_INSTALLED_TARGET_TOOL): Fixup logic for cross diff --git a/config/mh-x86omitfp b/config/mh-x86omitfp index 563f02ba0a..7f536c8ba2 100644 --- a/config/mh-x86omitfp +++ b/config/mh-x86omitfp @@ -1,2 +1,2 @@ # Add -fomit-frame-pointer to the usual BOOT_CFLAGS to speed up the compiler. -BOOT_CFLAGS = -O2 -g -fomit-frame-pointer +BOOT_CFLAGS += -fomit-frame-pointer diff --git a/config/tls.m4 b/config/tls.m4 index c8f3ff0a37..69cf6d4f9d 100644 --- a/config/tls.m4 +++ b/config/tls.m4 @@ -73,3 +73,16 @@ AC_DEFUN([GCC_CHECK_TLS], [ AC_DEFINE(HAVE_TLS, 1, [Define to 1 if the target supports thread-local storage.]) fi]) + +dnl Check whether the target assembler supports TLS. +AC_DEFUN([GCC_CHECK_CC_TLS], [ + GCC_ENABLE(tls, yes, [], [Use thread-local storage]) + AC_CACHE_CHECK([whether the target asssembler upports thread-local storage], + have_cc_tls, [ + AC_COMPILE_IFELSE([__thread int a; int b; int main() { return a = b; }], + [have_cc_tls=yes], [have_cc_tls=no])] + )]) + if test "$enable_tls $have_cc_tls" = "yes yes"; then + AC_DEFINE(HAVE_CC_TLS, 1, + [Define to 1 if the target assembler supports thread-local storage.]) + fi]) |