From 67ad3b9b9686855b01d5353da5d876b7b1274ef6 Mon Sep 17 00:00:00 2001 From: Andre Heider Date: Thu, 23 Mar 2023 09:52:20 +0100 Subject: [PATCH] treewide: refactor to use PKG_BUILD_FLAGS:=gc-sections See commit da370098 "treewide: add support for "gc-sections" in PKG_BUILD_FLAGS" on the main repository. Signed-off-by: Andre Heider --- alfred/Makefile | 5 +++-- batctl/Makefile | 8 +------- 2 files changed, 4 insertions(+), 9 deletions(-) diff --git a/alfred/Makefile b/alfred/Makefile index 1325d6e..81ce841 100644 --- a/alfred/Makefile +++ b/alfred/Makefile @@ -15,6 +15,7 @@ PKG_LICENSE:=GPL-2.0-only MIT PKG_LICENSE_FILES:=LICENSES/preferred/GPL-2.0 LICENSES/preferred/MIT PKG_BUILD_PARALLEL:=1 +PKG_BUILD_FLAGS:=gc-sections PKG_CONFIG_DEPENDS += \ CONFIG_ALFRED_NEEDS_lua \ @@ -67,8 +68,8 @@ MAKE_FLAGS += \ LIBNL_GENL_NAME="libnl-tiny" \ REVISION="$(PKG_VERSION)-openwrt-$(PKG_RELEASE)" -TARGET_CFLAGS += -ffunction-sections -fdata-sections -flto -TARGET_LDFLAGS += -Wl,--gc-sections -fuse-linker-plugin +TARGET_CFLAGS += -flto +TARGET_LDFLAGS += -fuse-linker-plugin define Package/alfred/install $(INSTALL_DIR) $(1)/usr/sbin diff --git a/batctl/Makefile b/batctl/Makefile index 0d2452d..2adbf42 100644 --- a/batctl/Makefile +++ b/batctl/Makefile @@ -16,6 +16,7 @@ PKG_LICENSE:=GPL-2.0-only ISC MIT PKG_LICENSE_FILES:=LICENSES/preferred/GPL-2.0 LICENSES/preferred/MIT LICENSES/deprecated/ISC PKG_BUILD_PARALLEL:=1 +PKG_BUILD_FLAGS:=gc-sections include $(INCLUDE_DIR)/package.mk @@ -70,13 +71,6 @@ $(Package/batctl/description) Subcommands for configuration, online and offline debugging are enabled. endef -# The linker can identify unused sections of a binary when each symbol is stored -# in a separate section. This mostly removes unused linker sections and reduces -# the size by ~3% on mipsel. - -TARGET_CFLAGS += -ffunction-sections -fdata-sections -TARGET_LDFLAGS += -Wl,--gc-sections - # Link-time optimization allows to move parts of the optimization from the single # source file to the global source view. This is done by emitting the GIMPLE # representation in each object file and analyzing it again during the link step.