2014-11-07 21:02:13 (UTC-02:00)

Marcel Rodrigues <marcelgmr@gmail.com>

More portable Makefile.

diff --git a/Makefile b/Makefile
index 48a221a..4af4a08 100644
--- a/Makefile
+++ b/Makefile
@@ -1,10 +1,13 @@
 CLINK = -lcurses
-CFLAGS = -Wall -Wextra -Werror -std=c89
-DEBUG ?= 0
-ifeq ($(DEBUG), 1)
-    CFLAGS += -O0 -g
-else
-    CFLAGS += -O2
+GNU ?= 0
+ifeq ($(GNU), 1)
+    CFLAGS = -Wall -Wextra -Werror -std=c89
+    DEBUG ?= 0
+    ifeq ($(DEBUG), 1)
+        CFLAGS += -O0 -g
+    else
+        CFLAGS += -O2
+    endif
 endif
 
 all : rover