clang gets upset by some of these compiler options (and they're proba…

…bly pretty pointless in 2015 anyway)

Makefile

@@ -336,18 +336,16 @@ ifneq (,$(findstring "$(PLATFORM)", "linux" "gnu_kfreebsd" "kfreebsd-gnu"))
     -pipe -DUSE_ICON
   CLIENT_CFLAGS += $(SDL_CFLAGS)
 
-  OPTIMIZEVM = -O3 -funroll-loops -fomit-frame-pointer
+  OPTIMIZEVM = -O3
   OPTIMIZE = $(OPTIMIZEVM) -ffast-math
 
   ifeq ($(ARCH),x86_64)
-    OPTIMIZEVM = -O3 -fomit-frame-pointer -funroll-loops \
-      -falign-functions=2 -fstrength-reduce
+    OPTIMIZEVM = -O3
     OPTIMIZE = $(OPTIMIZEVM) -ffast-math
     HAVE_VM_COMPILED = true
   else
   ifeq ($(ARCH),x86)
-    OPTIMIZEVM = -O3 -march=i586 -fomit-frame-pointer \
-      -funroll-loops -falign-functions=2 -fstrength-reduce
+    OPTIMIZEVM = -O3 -march=i586
     OPTIMIZE = $(OPTIMIZEVM) -ffast-math
     HAVE_VM_COMPILED=true
   else
@@ -566,14 +564,12 @@ ifeq ($(PLATFORM),mingw32)
   endif
 
   ifeq ($(ARCH),x86_64)
-    OPTIMIZEVM = -O3 -fno-omit-frame-pointer \
-      -funroll-loops -falign-functions=2 -fstrength-reduce
+    OPTIMIZEVM = -O3
     OPTIMIZE = $(OPTIMIZEVM) -ffast-math
     HAVE_VM_COMPILED = true
   endif
   ifeq ($(ARCH),x86)
-    OPTIMIZEVM = -O3 -march=i586 -fno-omit-frame-pointer \
-      -funroll-loops -falign-functions=2 -fstrength-reduce
+    OPTIMIZEVM = -O3 -march=i586
     OPTIMIZE = $(OPTIMIZEVM) -ffast-math
     HAVE_VM_COMPILED = true
   endif
@@ -671,7 +667,7 @@ ifeq ($(PLATFORM),freebsd)
   CLIENT_CFLAGS += $(SDL_CFLAGS)
   HAVE_VM_COMPILED = true
 
-  OPTIMIZEVM = -O3 -funroll-loops -fomit-frame-pointer
+  OPTIMIZEVM = -O3
   OPTIMIZE = $(OPTIMIZEVM) -ffast-math
 
   SHLIBEXT=so
@@ -724,18 +720,16 @@ ifeq ($(PLATFORM),openbsd)
     -pipe -DUSE_ICON -DMAP_ANONYMOUS=MAP_ANON
   CLIENT_CFLAGS += $(SDL_CFLAGS)
 
-  OPTIMIZEVM = -O3 -funroll-loops -fomit-frame-pointer
+  OPTIMIZEVM = -O3
   OPTIMIZE = $(OPTIMIZEVM) -ffast-math
 
   ifeq ($(ARCH),x86_64)
-    OPTIMIZEVM = -O3 -fomit-frame-pointer -funroll-loops \
-      -falign-functions=2 -fstrength-reduce
+    OPTIMIZEVM = -O3
     OPTIMIZE = $(OPTIMIZEVM) -ffast-math
     HAVE_VM_COMPILED = true
   else
   ifeq ($(ARCH),x86)
-    OPTIMIZEVM = -O3 -march=i586 -fomit-frame-pointer \
-      -funroll-loops -falign-functions=2 -fstrength-reduce
+    OPTIMIZEVM = -O3 -march=i586
     OPTIMIZE = $(OPTIMIZEVM) -ffast-math
     HAVE_VM_COMPILED=true
   else