gcc 4: Disable ASLR for the executables

Makes pre-compiled headers work reliably.

sys-devel/gcc/gcc-4.7.3_2013_08_12.recipe

@@ -10,7 +10,7 @@ SRC_URI="
 	git+file://$portBaseDir/../binutils/download/BuildtoolsPM.git#2d0a2c6404ffae1a46eb7e74daab08099b45af2c
 	git+git://github.com/haiku/BuildtoolsPM.git#2d0a2c6404ffae1a46eb7e74daab08099b45af2c
 	"
-REVISION="3"
+REVISION="4"
 ARCHITECTURES="x86 x86_64"
 if [ $effectiveTargetArchitecture != x86_gcc2 ]; then
 	# x86_gcc2 is fine as primary target architecture as long as we're building
@@ -119,6 +119,21 @@ INSTALL()
 	done
 	strip --strip-debug lib/*.a
 
+	### Disable ASLR ##########################################
+
+	echo "Add SYS:ENV attribute to disable ASLR"
+
+	cd $installDir
+	for f in bin/*; do
+		if [ -r "$f" ]; then
+			addattr SYS:ENV DISABLE_ASLR=1 $f
+		fi
+	done
+	for f in cc1 cc1plus collect2 lto1; do
+		addattr SYS:ENV DISABLE_ASLR=1 \
+			lib/gcc/$effectiveTargetMachineTriple/*/$f
+	done
+
 	### Symlinks ##############################################
 
 	echo "Creating required symlinks"