tools: fix cross-compiling tools when HOSTCC is overridden
Richard reported U-Boot tools issues in OpenEmbedded/Yocto project. OE needs to be able to change the default compiler. If we pass in HOSTCC through the make command, it overwrites all HOSTCC instances, including ones in tools/Makefile and tools/env/Makefile, which breaks "make cross_tools" and "make env", respectively. Add "override" directives to avoid overriding HOSTCC instances that really need to point to the cross-compiler. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reported-by: Richard Purdie <richard.purdie@linuxfoundation.org> Reviewed-by: Simon Glass <sjg@chromium.org>
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@ -262,7 +262,7 @@ $(LOGO_DATA_H): $(obj)/bmp_logo $(LOGO_BMP)
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subdir- += env
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ifneq ($(CROSS_BUILD_TOOLS),)
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HOSTCC = $(CC)
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override HOSTCC = $(CC)
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quiet_cmd_crosstools_strip = STRIP $^
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cmd_crosstools_strip = $(STRIP) $^; touch $@
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2
tools/env/Makefile
vendored
2
tools/env/Makefile
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@ -8,7 +8,7 @@
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# fw_printenv is supposed to run on the target system, which means it should be
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# built with cross tools. Although it may look weird, we only replace "HOSTCC"
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# with "CC" here for the maximum code reuse of scripts/Makefile.host.
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HOSTCC = $(CC)
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override HOSTCC = $(CC)
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# Compile for a hosted environment on the target
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HOST_EXTRACFLAGS = $(patsubst -I%,-idirafter%, $(filter -I%, $(UBOOTINCLUDE))) \
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