[PATCH] fix powerpc cross compiling

[Matthew M. <ms...@fr...>]

You can't determine the target for running on by running uname
on the build machine. Use a better method instead.

Signed-off-by: Matthew McClintock <ms...@fr...>
---
 configure.ac |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index a9b1ee4..4b73cdd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -155,10 +155,10 @@ fi
 
 AC_DEFINE_UNQUOTED(HAVE_PERF_EVENTS, $HAVE_PERF_EVENTS, [Kernel support for perf_events exists])
 
+AC_CANONICAL_HOST
 if test "$HAVE_PERF_EVENTS" = "1"; then
 	PFM_LIB=
-	arch="`uname -m`"
-	if test "$arch" = "ppc64" || test "$arch" = "ppc"; then
+	if test "$host_cpu" = "powerpc"; then
 		AC_CHECK_HEADER(perfmon/pfmlib.h,,[AC_MSG_ERROR([pfmlib.h not found; usually provided in papi devel package])])
 		AC_CHECK_LIB(pfm,pfm_get_os_event_encoding, HAVE_LIBPFM3='0'; HAVE_LIBPFM='1', [
 			AC_CHECK_LIB(pfm, pfm_get_event_name, HAVE_LIBPFM3='1'; HAVE_LIBPFM='1',
-- 
1.7.9.7