gcc: rebuild without -mtune=generic; do not depend on optional pkgs.

srcpkgs/gcc/template

@@ -2,7 +2,7 @@
 pkgname=gcc
 _majorver=4.9
 version=${_majorver}.0
-revision=4
+revision=5
 short_desc="The GNU C Compiler"
 maintainer="Juan RP <xtraeme@gmail.com>"
 homepage="http://gcc.gnu.org"
@@ -14,14 +14,7 @@ lib32disabled=yes
 hostmakedepends="perl flex"
 makedepends="zlib-devel libmpc-devel>=1.0.1_2 ppl-devel>=1.0 cloog-devel isl-devel"
 
-# Depend in all -devel pkgs to have a full featured package.
-depends="
-	binutils
-	libatomic-devel>=${_majorver}
-	libgomp-devel>=${_majorver}
-	libitm-devel>=${_majorver}
-	libsanitizer-devel>=${_majorver}
-	libssp-devel>=${_majorver}"
+depends="binutils"
 # mudflap is gone in 4.9
 replaces="libmudflap>=0 libmudflap-devel>=0"