Checks whether "-Wdelcaration-after-statement" is available in gcc before

trying to use it (simple shell script trick from Shin-Ichi).

Makefile

@@ -6,7 +6,7 @@
 # bill@newbreedsoftware.com
 # http://www.newbreedsoftware.com/tuxpaint/
 
-# June 14, 2002 - October 9, 2005
+# June 14, 2002 - October 13, 2005
 
 
 # The version number, for release:
@@ -100,7 +100,7 @@ CFLAGS=-O2 -W -Wall -fno-common -ffast-math \
 	-Wbad-function-cast -Wwrite-strings \
 	-Waggregate-return \
 	-Wstrict-prototypes -Wmissing-prototypes \
-	-Wdeclaration-after-statement \
+	`src/test-option.sh -Wdeclaration-after-statement` \
 	-DVER_VERSION=\"$(VER_VERSION)\" \
 	-DVER_DATE=\"$(VER_DATE)\"
 

docs/CHANGES.txt

@@ -7,7 +7,7 @@ bill@newbreedsoftware.com
 http://www.newbreedsoftware.com/tuxpaint/
 
 
-2005.October.10 (0.9.15)
+2005.October.13 (0.9.15)
 
   * Speed improvements:
     -------------------
@@ -235,6 +235,11 @@ http://www.newbreedsoftware.com/tuxpaint/
 
   * Compiling, porting and packaging updates:
     -----------------------------------------
+    * Added "test-option.sh" shell script, which can be used in Makefile
+      for basic compiler option tests
+      (e.g., is "-Wdeclaration-after-statement" available?)
+      TOYAMA Shin-ichi <shin1@wmail.plala.or.jp>
+
     * Created 'release' Makefile target, which generates a .tar.gz
       (sans CVS-related files) based on the clean source directory.
 

src/test-option.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+
+echo 'main(){}' > dummy.c
+gcc $1 dummy.c > /dev/null 2>&1 && echo $1
+rm -f dummy.c a.out
+