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| author | Nick Clifton <nickc@redhat.com> | 2018-01-10 15:29:21 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2018-01-10 15:29:21 +0000 |
| commit | bf41f30dde0f2ad09c2b7a9894fd7992e4b36a16 (patch) | |
| tree | be4f62c520eb0b0652899b45cac10b2d9e92db0f /config/hwcaps.m4 | |
| parent | 2a8ae7146cacb006105e2e9c6f4635aca543e7ec (diff) | |
| download | binutils-gdb-bf41f30dde0f2ad09c2b7a9894fd7992e4b36a16.tar.gz | |
Update top level configure files by synchronizing them with gcc.
. * config-ml.in: Sync with gcc sources.
* config.guess: Likewise.
* config.sub: Likewise.
* configure.ac: Likewise.
* configure: Regenerate.
config * Sync with GCC sources:
2017-11-14 Boris Kolpackov <boris@codesynthesis.com>
* gcc-plugin.m4: Add support for MinGW.
2017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
* cet.m4: New file.
2017-11-15 Alexandre Oliva <aoliva@redhat.com>
* bootstrap-debug-lean.mk (do-compare): Use the
contrib/compare-debug script.
2017-10-24 H.J. Lu <hongjiu.lu@intel.com>
* bootstrap-cet.mk: New file.
2017-06-19 Martin Liska <mliska@suse.cz>
* bootstrap-lto-noplugin.mk: Enable -flto in all PGO stages.
* bootstrap-lto.mk: Likewise.
2017-06-03 Eric Botcazou <ebotcazou@adacore.com>
* mt-android: New file.
2017-02-13 Richard Biener <rguenther@suse.de>
* isl.m4: Remove support for ISL 0.14.
2017-01-19 Uros Bizjak <ubizjak@gmail.com>
PR target/78478
* ax_check_define.m4: New file.
2017-01-17 Jakub Jelinek <jakub@redhat.com>
PR other/79046
* acx.m4 (GCC_BASE_VER): New m4 function.
(ACX_TOOL_DIRS): Require GCC_BASE_VER, for
--with-gcc-major-version-only use just major number from BASE-VER.
2017-01-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
PR go/78978
* hwcaps.m4 (GCC_CHECK_ASSEMBLER_HWCAP): New macro.
Diffstat (limited to 'config/hwcaps.m4')
| -rw-r--r-- | config/hwcaps.m4 | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/config/hwcaps.m4 b/config/hwcaps.m4 new file mode 100644 index 00000000000..ff352fdd3a6 --- /dev/null +++ b/config/hwcaps.m4 @@ -0,0 +1,60 @@ +dnl +dnl Check if the assembler used supports disabling generation of hardware +dnl capabilities. This is only supported by Solaris as at the moment. +dnl +dnl Defines: +dnl HWCAP_CFLAGS='-Wa,-nH' if possible. +dnl +AC_DEFUN([GCC_CHECK_ASSEMBLER_HWCAP], [ + test -z "$HWCAP_CFLAGS" && HWCAP_CFLAGS='' + + # Restrict the test to Solaris, other assemblers (e.g. AIX as) have -nH + # with a different meaning. + case ${target_os} in + solaris2*) + ac_save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Wa,-nH" + + AC_MSG_CHECKING([for as that supports -Wa,-nH]) + AC_TRY_COMPILE([], [return 0;], [ac_hwcap_flags=yes],[ac_hwcap_flags=no]) + if test "$ac_hwcap_flags" = "yes"; then + HWCAP_CFLAGS="-Wa,-nH $HWCAP_CFLAGS" + fi + AC_MSG_RESULT($ac_hwcap_flags) + + CFLAGS="$ac_save_CFLAGS" + ;; + esac + + AC_SUBST(HWCAP_CFLAGS) +]) + + +dnl +dnl Check if the linker used supports linker maps to clear hardware +dnl capabilities. This is only supported on Solaris at the moment. +dnl +dnl Defines: +dnl HWCAP_LDFLAGS=-mclear-hwcap if possible +dnl LD (as a side effect of testing) +dnl +AC_DEFUN([GCC_CHECK_LINKER_HWCAP], [ + test -z "$HWCAP_LDFLAGS" && HWCAP_LDFLAGS='' + AC_REQUIRE([AC_PROG_LD]) + + ac_save_LDFLAGS="$LDFLAGS" + LDFLAGS="$LFLAGS -mclear-hwcap" + + AC_MSG_CHECKING([for -mclear-hwcap]) + AC_TRY_LINK([], [return 0;], [ac_hwcap_ldflags=yes],[ac_hwcap_ldflags=no]) + if test "$ac_hwcap_ldflags" = "yes"; then + HWCAP_LDFLAGS="-mclear-hwcap $HWCAP_LDFLAGS" + fi + AC_MSG_RESULT($ac_hwcap_ldflags) + + LDFLAGS="$ac_save_LDFLAGS" + + AC_SUBST(HWCAP_LDFLAGS) + + AM_CONDITIONAL(HAVE_HWCAP, test $ac_hwcap_ldflags != no) +]) |