package/binutils: remove BR2_BINUTILS_ENABLE_LTO
Currently, this option doesn't do anything. It only adds --enable-plugins --enable-lto to the configure flags, but doesn't disable them if it is not set. Since both of these default to enabled, plugins and lto are effectively always enabled. There really is no need to make this configurable: it adds a bit of size and build time to host-binutils, but we don't care about that for host tools. It's still up to individual builds to enable the LTO options. Therefore, remove the option entirely. For clarity, explicitly pass --enable-plugins --enable-lto to configure. Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
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@ -35,9 +35,6 @@ config BR2_BINUTILS_VERSION
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default "2.37" if BR2_BINUTILS_VERSION_2_37_X
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default "2.38" if BR2_BINUTILS_VERSION_2_38_X
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config BR2_BINUTILS_ENABLE_LTO
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bool
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config BR2_BINUTILS_EXTRA_CONFIG_OPTIONS
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string "Additional binutils options"
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default ""
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@ -86,6 +86,8 @@ HOST_BINUTILS_CONF_OPTS = \
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--with-sysroot=$(STAGING_DIR) \
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--enable-poison-system-directories \
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--without-debuginfod \
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--enable-plugins \
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--enable-lto \
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$(BINUTILS_DISABLE_GDB_CONF_OPTS) \
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$(BINUTILS_EXTRA_CONFIG_OPTIONS)
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@ -120,10 +122,6 @@ HOST_BINUTILS_POST_EXTRACT_HOOKS += BINUTILS_XTENSA_OVERLAY_EXTRACT
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HOST_BINUTILS_EXTRA_DOWNLOADS += $(ARCH_XTENSA_OVERLAY_URL)
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endif
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ifeq ($(BR2_BINUTILS_ENABLE_LTO),y)
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HOST_BINUTILS_CONF_OPTS += --enable-plugins --enable-lto
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endif
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# Hardlinks between binaries in different directories cause a problem
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# with rpath fixup, so we de-hardlink those binaries, and replace them
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# with copies instead.
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@ -132,7 +132,6 @@ config BR2_TOOLCHAIN_BUILDROOT_DLANG
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config BR2_GCC_ENABLE_LTO
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bool "Enable compiler link-time-optimization support"
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select BR2_BINUTILS_ENABLE_LTO
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help
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This option enables link-time optimization (LTO) support in
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gcc.
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