X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftrunk%2Fconfig%2Fsubs.m4;h=6a8709307af3b8dc0864bf479b79cb7817ba23c1;hb=14c4d99cbeedaba4c2f13bf8256458e326a8ecf3;hp=7760ed2de99af3b564c04dae84406142aaa941de;hpb=420856af6e870e6897771965c9d474168c019274;p=synfig.git

diff --git a/synfig-core/trunk/config/subs.m4 b/synfig-core/trunk/config/subs.m4
index 7760ed2..6a87093 100644
--- a/synfig-core/trunk/config/subs.m4
+++ b/synfig-core/trunk/config/subs.m4
@@ -16,11 +16,12 @@ AC_DEFUN([AC_ARG_WARNINGS],
 
   gtkmm_warning_flags=''
 
+  # -W is now known as -Wextra, but that's not known by gcc 2 or 3
   case "$gtkmm_enable_warnings" in
     none|no)     gtkmm_warning_flags='';;
-    minimum|yes) gtkmm_warning_flags='-Wall -Wno-unused-parameter';;
-    maximum)     gtkmm_warning_flags='-W -Wall -Wno-unused-parameter';;
-    hardcore)    gtkmm_warning_flags='-W -Wall -Werror -Wno-unused-parameter';;
+    minimum|yes) gtkmm_warning_flags='-Wall';;
+    maximum)     gtkmm_warning_flags='-Wall -W';;
+    hardcore)    gtkmm_warning_flags='-Wall -W -Werror';;
   esac
 
   gtkmm_use_flags=''
@@ -96,6 +97,7 @@ AC_DEFUN([AC_ARG_DEBUG],
 
 
 
+## Optimisation level 2 in g++ 4.1 or g++ 4.2 breaks composition loading in the vector parsing function in loadcanvas.cpp (1509627)
 AC_DEFUN([AC_ARG_OPTIMIZATION],
 [
 	AC_MSG_CHECKING([for optimization flags])