gcc-core: add autoreconf support, enable LTO and GOLD support

Signed-off-by: Stephan Raue <stephan@openelec.tv>

packages/toolchain/lang/gcc-core/build

@@ -11,7 +11,6 @@ cd $BUILD/gcc*
 autoconf-2.64
 
 mkdir -p objdir-$1 && cd objdir-$1
-
 ../configure --host=$HOST_NAME \
              --build=$HOST_NAME \
              --target=$TARGET_NAME \
@@ -29,6 +28,9 @@ mkdir -p objdir-$1 && cd objdir-$1
              --disable-__cxa_atexit \
              --disable-libada \
              --disable-libmudflap \
+             --enable-gold=both/ld \
+             --enable-plugin \
+             --enable-lto \
              --disable-libssp \
              --disable-libgomp \
              --disable-shared \

packages/toolchain/lang/gcc-core/meta

@@ -13,3 +13,4 @@ PKG_SHORTDESC="gcc: The GNU Compiler Collection Version 4 (aka GNU C Compiler)"
 PKG_LONGDESC="This package contains the GNU Compiler Collection. It includes compilers for the languages C, C++, Objective C, Fortran 95, Java and others ... This GCC contains the Stack-Smashing Protector Patch which can be enabled with the -fstack-protector command-line option. More information about it ca be found at http://www.research.ibm.com/trl/projects/security/ssp/."
 PKG_IS_ADDON="no"
 
+PKG_AUTORECONF="no"