From: Ralf Jung <post@ralfj.de>
Date: Fri, 27 Sep 2013 11:05:27 +0000 (+0200)
Subject: use -Wextra and fix the warnings it caused
X-Git-Url: https://git.ralfj.de/gltest.git/commitdiff_plain/c4859cf18f397a5fda57e5719134dddbcb23ef2a?ds=inline

use -Wextra and fix the warnings it caused
---

diff --git a/Makefile b/Makefile
index 0322bfb..2fa9312 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-CFLAGS := -Wall -g -O1
+CFLAGS := -Wall -Wextra -g -O1
 
 COMMON_SRC = gltest.cpp glwindow.cpp glutil.cpp
 COMMON_HDR = glwindow.h glutil.h
diff --git a/eglinfo.c b/eglinfo.c
index a0afc08..4a959f1 100644
--- a/eglinfo.c
+++ b/eglinfo.c
@@ -102,7 +102,7 @@ PrintConfigs(EGLDisplay d)
 
 
 /**
- * Print table of all available configurations.
+ * If possible, irint table of all available configurations.
  */
 static void
 PrintModes(EGLDisplay d)
@@ -137,13 +137,15 @@ PrintModes(EGLDisplay d)
          }
       }
    }
+#else
+	(void)d; /* mark d as unused */
 #endif
 }
 
 
 
 int
-main(int argc, char *argv[])
+main(void)
 {
    int maj, min;
    EGLDisplay d = eglGetDisplay(EGL_DEFAULT_DISPLAY);