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rules.mk: remove redundant target flags 

We're patching the GCC specs [1], [2] to implicitly add
$STAGING_DIR/usr/lib to the linker and $STAGING_DIR/usr/include to the
CPP flags. There is no need to globally pass these as -I and -L flags
respectively.

1. https://git.openwrt.org/?p=openwrt/openwrt.git;a=blob;f=toolchain/gcc/final/Makefile#l86
2. https://git.openwrt.org/?p=openwrt/openwrt.git;a=blob;f=scripts/patch-specs.sh#l37

Ref: https://patchwork.ozlabs.org/project/openwrt/patch/20200820060637.533293-1-a.heider@gmail.com/#2511505
Suggested-by: Jo-Philipp Wich <jo@mein.io>
Signed-off-by: Petr Štetiar <ynezz@true.cz>
This commit is contained in:
Petr Štetiar 2020-11-27 09:56:16 +01:00
parent e5ba6e9c28
commit e52d0487e8
1 changed files with 0 additions and 2 deletions
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2
rules.mk
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@ -174,8 +174,6 @@ TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3) $(call qstrip,$(
TARGET_CXXFLAGS = $(TARGET_CFLAGS)
TARGET_ASFLAGS_DEFAULT = $(TARGET_CFLAGS)
TARGET_ASFLAGS = $(TARGET_ASFLAGS_DEFAULT)
TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include
TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)