Module: libav
Branch: master
Commit: 8f23907f3e4c9e40602be0eeebce8c7ea7a9fa3d

Author:    Mans Rullgard <[email protected]>
Committer: Mans Rullgard <[email protected]>
Date:      Fri Oct  5 01:30:28 2012 +0100

build: add -Mdse to PGI optimisation flags

Enable dead store elimination.  The last few releases work no worse
with this flag than without.  Older versions failed to build some
source files when using this flag.

Signed-off-by: Mans Rullgard <[email protected]>

---

 configure |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/configure b/configure
index 34680d4..d4fcd1f 100755
--- a/configure
+++ b/configure
@@ -2329,7 +2329,7 @@ probe_cc(){
     elif $_cc -V 2>&1 | grep -q Portland; then
         _type=pgi
         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
-        opt_common='-alias=ansi -Mlre -Mpre'
+        opt_common='-alias=ansi -Mdse -Mlre -Mpre'
         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
         _cflags_size="-O2 -Munroll=c:1 $opt_common"
         _cflags_noopt="-O1"

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