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authorZdenek Kabelac <zkabelac@redhat.com>2015-05-13 21:30:20 +0200
committerZdenek Kabelac <zkabelac@redhat.com>2015-05-14 00:19:33 +0200
commit3fa66d103652df217059e2629da816adb9599e7c (patch)
tree24344692850b0304d6e266ca594051e602b855c6 /configure.in
parentf207a6d353c895c6078f8345340228a2a790a659 (diff)
downloadlvm2-3fa66d103652df217059e2629da816adb9599e7c.tar.gz
configure: set optimize flags when CFLAGS is unset
If we are given CFLAGS - preserve user's request and avoid placing just -O2 there.
Diffstat (limited to 'configure.in')
-rw-r--r--configure.in4
1 files changed, 1 insertions, 3 deletions
diff --git a/configure.in b/configure.in
index 59337637e..161f832e4 100644
--- a/configure.in
+++ b/configure.in
@@ -26,10 +26,9 @@ AC_CONFIG_AUX_DIR(autoconf)
dnl -- Get system type
AC_CANONICAL_TARGET([])
+AS_IF([test -z "$CFLAGS"], [COPTIMISE_FLAG="-O2"])
case "$host_os" in
linux*)
- CFLAGS="$CFLAGS"
- COPTIMISE_FLAG="-O2"
CLDFLAGS="$CLDFLAGS -Wl,--version-script,.export.sym"
ELDFLAGS="-Wl,--export-dynamic"
# FIXME Generate list and use --dynamic-list=.dlopen.sym
@@ -49,7 +48,6 @@ case "$host_os" in
;;
darwin*)
CFLAGS="$CFLAGS -no-cpp-precomp -fno-common"
- COPTIMISE_FLAG="-O2"
CLDFLAGS="$CLDFLAGS"
ELDFLAGS=
CLDWHOLEARCHIVE="-all_load"