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Debian patch: 050_altivec_detection.diff

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--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%404070
This commit is contained in:
Sam Lantinga 2009-10-13 06:33:46 +00:00
parent ebd6bbf4d0
commit b38f6c957a
1 changed files with 50 additions and 48 deletions
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22
configure.in
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@ -468,16 +468,13 @@ AC_HELP_STRING([--enable-sse2], [use SSE2 assembly routines [[default=no]]]),
AC_HELP_STRING([--enable-altivec], [use Altivec assembly routines [[default=yes]]]),
, enable_altivec=yes)
if test x$enable_altivec = xyes; then
have_altivec_h_hdr=no
AC_CHECK_HEADER(altivec.h, have_altivec_h_hdr=yes)
save_CFLAGS="$CFLAGS"
have_gcc_altivec=no
AC_MSG_CHECKING(for Altivec with GCC -maltivec option)
have_altivec_h_hdr=no
altivec_CFLAGS="-maltivec"
CFLAGS="$save_CFLAGS $altivec_CFLAGS"
if test x$have_altivec_h_hdr = xyes; then
AC_MSG_CHECKING(for Altivec with GCC altivec.h and -maltivec option)
AC_TRY_COMPILE([
#include <altivec.h>
vector unsigned int vzero() {
@ -486,9 +483,12 @@ AC_HELP_STRING([--enable-altivec], [use Altivec assembly routines [[default=yes]
],[
],[
have_gcc_altivec=yes
have_altivec_h_hdr=yes
])
AC_MSG_RESULT($have_gcc_altivec)
else
if test x$have_gcc_altivec = xno; then
AC_MSG_CHECKING(for Altivec with GCC -maltivec option)
AC_TRY_COMPILE([
vector unsigned int vzero() {
return vec_splat_u32(0);
@ -501,10 +501,9 @@ AC_HELP_STRING([--enable-altivec], [use Altivec assembly routines [[default=yes]
fi
if test x$have_gcc_altivec = xno; then
AC_MSG_CHECKING(for Altivec with GCC -faltivec option)
AC_MSG_CHECKING(for Altivec with GCC altivec.h and -faltivec option)
altivec_CFLAGS="-faltivec"
CFLAGS="$save_CFLAGS $altivec_CFLAGS"
if test x$have_altivec_h_hdr = xyes; then
AC_TRY_COMPILE([
#include <altivec.h>
vector unsigned int vzero() {
@ -513,9 +512,13 @@ AC_HELP_STRING([--enable-altivec], [use Altivec assembly routines [[default=yes]
],[
],[
have_gcc_altivec=yes
have_altivec_h_hdr=yes
])
AC_MSG_RESULT($have_gcc_altivec)
else
fi
if test x$have_gcc_altivec = xno; then
AC_MSG_CHECKING(for Altivec with GCC -faltivec option)
AC_TRY_COMPILE([
vector unsigned int vzero() {
return vec_splat_u32(0);
@ -526,7 +529,6 @@ AC_HELP_STRING([--enable-altivec], [use Altivec assembly routines [[default=yes]
])
AC_MSG_RESULT($have_gcc_altivec)
fi
fi
CFLAGS="$save_CFLAGS"
if test x$have_gcc_altivec = xyes; then