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configure.ac: Enable LTO by default on Darwin. 

2010-09-03  Jack Howarth <howarth@bromo.med.uc.edu>

	* configure.ac: Enable LTO by default on Darwin.
	* configure: Regenerate.

From-SVN: r163839
This commit is contained in:
Jack Howarth 2010-09-03 15:49:02 -04:00 committed by Diego Novillo
parent 65a9ca823e
commit bb79486c55
3 changed files with 17 additions and 8 deletions
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9
ChangeLog
View File

@ -1,10 +1,15 @@
2010-09-03 Jack Howarth <howarth@bromo.med.uc.edu>
* configure.ac: Enable LTO by default on Darwin.
* configure: Regenerate.
2010-09-02 Marcus Shawcroft <marcus.shawcroft@arm.com> 2010-09-02 Marcus Shawcroft <marcus.shawcroft@arm.com>
* MAINTAINERS (Write After Approval): Add myself. * MAINTAINERS (Write After Approval): Add myself.
2010-09-01 Ian Bolton <ian.bolton@arm.com> 2010-09-01 Ian Bolton <ian.bolton@arm.com>
* MAINTAINERS (Write After Approval): Add myself. * MAINTAINERS (Write After Approval): Add myself.
2010-08-25 Danny Smith <dannysmith@users.sourceforge.net> 2010-08-25 Danny Smith <dannysmith@users.sourceforge.net>

8
configure vendored
View File

@ -6670,8 +6670,11 @@ to specify its location." "$LINENO" 5
fi fi
else else
if test x"$default_enable_lto" = x"yes" ; then if test x"$default_enable_lto" = x"yes" ; then
# On non-ELF platforms, LTO must be explicitly enabled. case $target in
enable_lto=no *-apple-darwin*) ;;
# On other non-ELF platforms, LTO must be explicitly enabled.
*) enable_lto=no ;;
esac
else else
# Apart from ELF platforms, only Windows supports LTO so far. It # Apart from ELF platforms, only Windows supports LTO so far. It
# would also be nice to check the binutils support, but we don't # would also be nice to check the binutils support, but we don't
@ -6680,7 +6683,6 @@ else
# -flto it won't be needed until after installation anyway. # -flto it won't be needed until after installation anyway.
case $target in case $target in
*-cygwin*|*-mingw*) ;; *-cygwin*|*-mingw*) ;;
*-apple-darwin*) ;;
*) if test x"$enable_lto" = x"yes"; then *) if test x"$enable_lto" = x"yes"; then
as_fn_error "LTO support is not enabled for this target." "$LINENO" 5 as_fn_error "LTO support is not enabled for this target." "$LINENO" 5
fi fi

8
configure.ac
View File

@ -1787,8 +1787,11 @@ to specify its location.])
AC_SUBST(libelflibs) AC_SUBST(libelflibs)
AC_SUBST(libelfinc) AC_SUBST(libelfinc)
fi],[if test x"$default_enable_lto" = x"yes" ; then fi],[if test x"$default_enable_lto" = x"yes" ; then
# On non-ELF platforms, LTO must be explicitly enabled. case $target in
enable_lto=no *-apple-darwin*) ;;
# On other non-ELF platforms, LTO must be explicitly enabled.
*) enable_lto=no ;;
esac
else else
# Apart from ELF platforms, only Windows supports LTO so far. It # Apart from ELF platforms, only Windows supports LTO so far. It
# would also be nice to check the binutils support, but we don't # would also be nice to check the binutils support, but we don't
@ -1797,7 +1800,6 @@ fi],[if test x"$default_enable_lto" = x"yes" ; then
# -flto it won't be needed until after installation anyway. # -flto it won't be needed until after installation anyway.
case $target in case $target in
*-cygwin*|*-mingw*) ;; *-cygwin*|*-mingw*) ;;
*-apple-darwin*) ;;
*) if test x"$enable_lto" = x"yes"; then *) if test x"$enable_lto" = x"yes"; then
AC_MSG_ERROR([LTO support is not enabled for this target.]) AC_MSG_ERROR([LTO support is not enabled for this target.])
fi fi