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* configure.ac: on Linux PPC and gcc 4.x, we need to check for the -maltivec 

flag before trying to use <altivec.h>.
This commit is contained in:
Sam Hocevar 2005-08-23 09:44:45 +00:00
parent 19b118609b
commit 4465634c4b
1 changed files with 12 additions and 1 deletions
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13
configure.ac
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@ -655,7 +655,7 @@ AC_CHECK_HEADERS(signal.h time.h errno.h stdint.h stdbool.h getopt.h strings.h i
AC_CHECK_HEADERS(sys/sockio.h fcntl.h sys/types.h sys/time.h sys/times.h sys/ioctl.h sys/stat.h)
AC_CHECK_HEADERS(arpa/inet.h net/if.h netinet/in.h sys/socket.h)
if test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"; then
AC_CHECK_HEADERS(machine/param.h sys/shm.h altivec.h)
AC_CHECK_HEADERS(machine/param.h sys/shm.h)
AC_CHECK_HEADERS(linux/version.h)
fi # end "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"
@ -1108,6 +1108,17 @@ if test "${ac_cv_altivec_inline}" != "no"; then
ACCEL_MODULES="${ACCEL_MODULES} ${ALTIVEC_MODULES}"
fi
dnl Check for <altivec.h>, gcc 4.x needs -maltivec for it
AC_CACHE_CHECK([if \$CC accepts -maltivec],
[ac_cv_c_maltivec],
[CFLAGS="${CFLAGS_save} -maltivec"
AC_TRY_COMPILE([],,ac_cv_c_maltivec=yes, ac_cv_c_maltivec=no)])
if test "${ac_cv_c_maltivec}" != "no"; then
CPPFLAGS="${CPPFLAGS_save} -maltivec"
fi
AC_CHECK_HEADERS(altivec.h)
CPPFLAGS="${CPPFLAGS_save}"
AC_CACHE_CHECK([if \$CC groks AltiVec C extensions],
[ac_cv_c_altivec],
[# Darwin test