summaryrefslogtreecommitdiff
path: root/eclass
diff options
context:
space:
mode:
authorDouglas Russel <puggy@gentoo.org>2003-10-31 23:03:40 +0000
committerDouglas Russel <puggy@gentoo.org>2003-10-31 23:03:40 +0000
commit32c52c520b55326e26b7ed1605686dad4e1fd619 (patch)
treea7c357d0b2a3e7eed360c0432bab902759fe7678 /eclass
parentAdded to ~ppc (diff)
downloadgentoo-2-32c52c520b55326e26b7ed1605686dad4e1fd619.tar.gz
gentoo-2-32c52c520b55326e26b7ed1605686dad4e1fd619.tar.bz2
gentoo-2-32c52c520b55326e26b7ed1605686dad4e1fd619.zip
Added strip-unsupported-flags as per bug #26390
Diffstat (limited to 'eclass')
-rw-r--r--eclass/flag-o-matic.eclass27
1 files changed, 26 insertions, 1 deletions
diff --git a/eclass/flag-o-matic.eclass b/eclass/flag-o-matic.eclass
index 492df55e42d2..7bd80f3a4833 100644
--- a/eclass/flag-o-matic.eclass
+++ b/eclass/flag-o-matic.eclass
@@ -1,6 +1,6 @@
# Copyright 1999-2003 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
-# $Header: /var/cvsroot/gentoo-x86/eclass/flag-o-matic.eclass,v 1.28 2003/10/26 00:40:52 vapier Exp $
+# $Header: /var/cvsroot/gentoo-x86/eclass/flag-o-matic.eclass,v 1.29 2003/10/31 23:03:40 puggy Exp $
#
# Author Bart Verwilst <verwilst@gentoo.org>
@@ -26,6 +26,10 @@ INHERITED="$INHERITED $ECLASS"
# Strip C[XX]FLAGS of everything except known
# good options.
#
+#### strip-unsupported-flags ####
+# Strip C[XX]FLAGS of any flags not supported by
+# installed version of gcc
+#
#### get-flag <flag> ####
# Find and echo the value for a particular flag
#
@@ -178,6 +182,27 @@ strip-flags() {
export CXXFLAGS="${NEW_CXXFLAGS}"
}
+test_flag () {
+ if gcc -S -xc $1 -o /dev/null /dev/null >/dev/null 2>&1; then
+ echo "$1"
+ fi
+}
+
+strip-unsupported-flags() {
+ for x in ${CFLAGS}
+ do
+ NEW_CFLAGS=${NEW_CFLAGS}" ""`test_flag ${x}`"
+ done
+
+ for x in ${CXXFLAGS}
+ do
+ NEW_CXXFLAGS=${NEW_CXXFLAGS}" ""`test_flag ${x}`"
+ done
+
+ CFLAGS="${NEW_CFLAGS}"
+ CXXFLAGS="${NEW_CXXFLAGS}"
+}
+
get-flag() {
local findflag="$1"
for f in ${CFLAGS} ${CXXFLAGS} ; do