From 6a073d97db2cf540e032ed76ffeee6f29329b789 Mon Sep 17 00:00:00 2001 From: David Schleef Date: Fri, 16 Mar 2007 23:30:02 +0000 Subject: * configure.ac: Add -maltivec flag * m4/as-gcc-inline-assembly.m4: Require gcc-3.4 * m4/as-nano.m4: handle two-digit version numbers, like in 0.3.10 --- m4/as-gcc-inline-assembly.m4 | 10 ++++++++-- m4/as-nano.m4 | 4 ++-- 2 files changed, 10 insertions(+), 4 deletions(-) (limited to 'm4') diff --git a/m4/as-gcc-inline-assembly.m4 b/m4/as-gcc-inline-assembly.m4 index 8182f42..70cc7d0 100644 --- a/m4/as-gcc-inline-assembly.m4 +++ b/m4/as-gcc-inline-assembly.m4 @@ -4,7 +4,7 @@ dnl autostars m4 macro for detection of gcc inline assembly dnl David Schleef -dnl $Id: as-gcc-inline-assembly.m4,v 1.2 2005-12-04 18:51:55 ds Exp $ +dnl $Id: as-gcc-inline-assembly.m4,v 1.3 2007-03-16 23:30:02 ds Exp $ dnl AS_COMPILER_FLAG(ACTION-IF-ACCEPTED, [ACTION-IF-NOT-ACCEPTED]) dnl Tries to compile with the given CFLAGS. @@ -15,7 +15,13 @@ AC_DEFUN([AS_GCC_INLINE_ASSEMBLY], [ AC_MSG_CHECKING([if compiler supports gcc-style inline assembly]) - AC_TRY_COMPILE([], [__asm__ (""::) ], [flag_ok=yes], [flag_ok=no]) + AC_TRY_COMPILE([], [ +#ifdef __GNUC_MINOR__ +#if __GNUC_MAJOR__ * 1000 + __GNUC_MINOR__ < 3004 +#error GCC before 3.4 has critical bugs compiling inline assembly +#endif +#endif +__asm__ (""::) ], [flag_ok=yes], [flag_ok=no]) if test "X$flag_ok" = Xyes ; then $1 diff --git a/m4/as-nano.m4 b/m4/as-nano.m4 index ca09455..119666c 100644 --- a/m4/as-nano.m4 +++ b/m4/as-nano.m4 @@ -5,7 +5,7 @@ dnl autostars m4 macro for versioning (modified) dnl Thomas Vander Stichele dnl David Schleef -dnl $Id: as-nano.m4,v 1.1 2005-01-21 07:26:34 ds Exp $ +dnl $Id: as-nano.m4,v 1.2 2007-03-16 23:30:02 ds Exp $ dnl AS_VERSION(ACTION-IF-NO-NANO, [ACTION-IF-NANO]) @@ -13,7 +13,7 @@ AC_DEFUN([AS_NANO], [ AC_MSG_CHECKING(nano version) - NANO=$(echo AC_PACKAGE_VERSION | sed ['s/[0-9]\.[0-9]\.[0-9]\.*//']) + NANO=$(echo AC_PACKAGE_VERSION | sed ['s/[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.*//']) AC_SUBST(NANO) if test x"$NANO" = x || test "x$NANO" = "x0" ; then -- cgit v1.2.1