Add -fcommon to CFLAGS to unbreak the build against modern compilers,

e.g. Clang 11 or GCC 10, and remove unsupported optimization options.

Reported by:	pkg-fallout

games/egl/files/patch-makefile

@@ -26,7 +26,7 @@
 -X11_LDFLAGS=-L/usr/X11R6/lib -lX11 -lXext
 +
 +# Compiler flags.
-+SHARED_FLAGS:=-Isource -I./ -I../ $(CFLAGS)
++SHARED_FLAGS:=-Isource -I./ -I../ $(CFLAGS) -fcommon
 +RELEASE_CFLAGS=$(SHARED_FLAGS)
 +DEBUG_CFLAGS=$(SHARED_FLAGS) -g -DC_ONLY
 +
@@ -80,7 +80,7 @@
  
 -ifeq ($(wildcard /usr/include/X11/extensions/xf86vmode.h),/usr/include/X11/extensions/xf86vmode.h)
 +ifeq ($(strip $(WITH_OPT_CFLAGS)),YES)
-+RELEASE_CFLAGS += -O2 -fno-strict-aliasing -ffast-math -fexpensive-optimizations
++RELEASE_CFLAGS += -O2 -fno-strict-aliasing -ffast-math
 +endif
 +
 +ifeq ($(strip $(WITH_HOMEDIR)),YES)

games/q2p/files/patch-Makefile

@@ -1,5 +1,5 @@
---- ./Makefile.orig	Sun Dec 31 14:01:34 2006
-+++ ./Makefile	Fri Jan  5 15:51:35 2007
+--- Makefile.orig	2006-12-31 17:01:34 UTC
++++ Makefile
 @@ -9,7 +9,7 @@
  
  # Check OS type.
@@ -162,14 +162,25 @@
  
  BASE_CFLAGS+=-I$(LOCALBASE)/include \
              -I$(X11BASE)/include \
-@@ -168,15 +165,11 @@ RELEASE_CFLAGS+=$(BASE_CFLAGS) \
+@@ -158,25 +155,18 @@ BASE_CFLAGS+=-I$(LOCALBASE)/include \
+             -DGAME_NAME='\"$(GAME_NAME)\"' \
+             -DQ2P_VERSION='\"$(VERSION)\"' \
+             -DCC_VERSION='\"$(CC_VERSION)\"' \
+-	    -Wall \
++	    -Wall -fcommon \
+ 	    -pipe #-Werror
+ 
+ RELEASE_CFLAGS+=$(BASE_CFLAGS) \
+-               -ffloat-store \
+ 	       -fno-strict-aliasing \
+ 	       -DNDEBUG
  
  ifeq ($(strip $(OPTIMIZE)),YES)
   RELEASE_CFLAGS+=-O3 \
 -                 -march=$(MARCH) \
                   -funroll-loops \
-                  -fstrength-reduce \
-                  -fexpensive-optimizations \
+-                 -fstrength-reduce \
+-                 -fexpensive-optimizations \
 -                 -falign-loops=2 \
 -                 -falign-jumps=2 \
 -                 -falign-functions=2
@@ -230,10 +241,3 @@
  	@echo
  	@echo "**Built $@ with cflags:"
  	@echo "$(CC) $(CC_VERSION) $(CFLAGS)";
-@@ -935,4 +928,4 @@ bz2:
- 	@tar cjvf $(Q2P_VERSION_BZ2)-$(OSTYPE)-$(DATE).tar.bz2 $(BINDIR)
- 	@printf ".... Done.\n"
- 	
--	
-\ No newline at end of file
-+