nss: split build stuff into do_build().

--HG--
extra : convert_revision : f8bcb5832d20019f1bc431680e6e6bb3d333ca4f

srcpkgs/nss/template

@@ -23,9 +23,9 @@ Add_dependency build zlib-devel
 Add_dependency build nspr-devel
 Add_dependency build sqlite-devel
 
-do_install()
+do_build()
 {
-	install -d ${DESTDIR}/usr/include/nss ${DESTDIR}/usr/lib/pkgconfig
+	cd ${wrksrc} || return 1
 	if [ "$xbps_machine" = "x86_64" ]; then
 		_use64="USE_64=1"
 	fi
@@ -36,7 +36,14 @@ do_install()
 			NSPR_INCLUDE_DIR=/usr/include/nspr \
 			NSPR_LIB_DIR=/usr/lib ${_use64} || return 1
 	done
-	
+}
+
+do_install()
+{
+	cd ${wrksrc} || return 1
+
+	install -d ${DESTDIR}/usr/include/nss \
+		${DESTDIR}/usr/lib/pkgconfig
 	install -m644 mozilla/dist/public/nss/*.h \
 		${DESTDIR}/usr/include/nss || return 1
 	install -m755 mozilla/dist/*.OBJ/lib/*.so \