Add support for gcc v3.x compilers.

[seabios.git] / tools / test-gcc.sh

diff --git a/tools/test-gcc.sh b/tools/test-gcc.sh
index c08ed823b7b6c31cfa767f79a91d1290ba74fac5..55f359faccd61657a712b8e8a5a81bd5af4bb4d9 100755 (executable)
--- a/tools/test-gcc.sh
+++ b/tools/test-gcc.sh
@@ -9,12 +9,11 @@ TMPFILE2o=out/tmp_testcompile2.o
 TMPFILE3o=out/tmp_testcompile3.o
 
 # Test for "-fwhole-program"
-gcc -fwhole-program -S -o /dev/null -xc /dev/null > /dev/null 2>&1
+$CC -fwhole-program -S -o /dev/null -xc /dev/null > /dev/null 2>&1
 if [ $? -ne 0 ]; then
-    echo "This version of gcc does not support -fwhole-program." > /dev/fd/2
-    echo "Please upgrade to gcc v4.1 or later" > /dev/fd/2
-    echo -1
-    exit -1
+    echo "  Working around no -fwhole-program" > /dev/fd/2
+    echo 1
+    exit 0
 fi
 
 # Test if "visible" variables are marked global.
@@ -27,13 +26,13 @@ extern unsigned char t1;
 int __attribute__((externally_visible)) main() { return t1; }
 EOF
 $CC -Os -c -fwhole-program $TMPFILE2 -o $TMPFILE2o > /dev/null 2>&1
-$CC -Os $TMPFILE1o $TMPFILE2o -o $TMPFILE3o > /dev/null 2>&1
+$CC -nostdlib -Os $TMPFILE1o $TMPFILE2o -o $TMPFILE3o > /dev/null 2>&1
 if [ $? -ne 0 ]; then
     echo "This version of gcc does not properly handle" > /dev/fd/2
     echo "  global variables in -fwhole-program mode." > /dev/fd/2
     echo "Please upgrade to a newer gcc (eg, v4.3 or later)" > /dev/fd/2
     echo -1
-    exit -1
+    exit 1
 fi
 
 # Test if "visible" functions are marked global.
@@ -46,7 +45,7 @@ void t1();
 void __attribute__((externally_visible)) main() { t1(); }
 EOF
 $CC -Os -c -fwhole-program $TMPFILE2 -o $TMPFILE2o > /dev/null 2>&1
-$CC -Os $TMPFILE1o $TMPFILE2o -o $TMPFILE3o > /dev/null 2>&1
+$CC -nostdlib -Os $TMPFILE1o $TMPFILE2o -o $TMPFILE3o > /dev/null 2>&1
 if [ $? -ne 0 ]; then
     echo "  Working around non-global functions in -fwhole-program" > /dev/fd/2
 fi