Add a libgcc package

packages/libgcc/build.sh

@@ -0,0 +1,9 @@
+TERMUX_PKG_HOMEPAGE=https://gcc.gnu.org/onlinedocs/gccint/Libgcc.html
+TERMUX_PKG_DESCRIPTION="GCC low-level runtime library"
+TERMUX_PKG_VERSION=4.9
+TERMUX_PKG_KEEP_STATIC_LIBRARIES="true"
+
+termux_step_extract_into_massagedir () {
+        mkdir -p $TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX/lib/
+	cp $TERMUX_STANDALONE_TOOLCHAIN/lib/gcc/$TERMUX_HOST_PLATFORM/4.9/libgcc.a $TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX/lib/
+}