enable using link-time optimization

This commit enables LTO for all shared libraries.
Build takes much longer. Use just with gcc-4.5 or later.

1 files changed, 1 insertions, 0 deletions

diff --git a/set_soenv.in b/set_soenv.in
index 76681f3542b1..a65ac5f21f3b 100755
--- a/set_soenv.in
+++ b/set_soenv.in
@@ -1842,6 +1842,7 @@ ToFile( "MINGWCXX",          "@MINGWCXX@",       "e" );
 ToFile( "MINGWSTRIP",        "@MINGWSTRIP@",     "e" );
 ToFile( "WITH_STLPORT",      "@WITH_STLPORT@", "e" );
 ToFile( "ALLOC",             "@ALLOC@",          "e" );
+ToFile( "ENABLE_LTO",        "@ENABLE_LTO@",        "e" );
 ToFile( "ENABLE_SYMBOLS",    "@ENABLE_SYMBOLS@",    "e" );
 ToFile( "DISABLE_STRIP",     "@DISABLE_STRIP@",     "e" );
 ToFile( "LFS_CFLAGS",        "@LFS_CFLAGS@",     "e" );