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toolchain.inc: Improve help messages for coreboot toolchain 

Show better help text on how to compile the coreboot toolchain or use
an unsupported toolchain.

Change-Id: I64a2159d324d673784669b2464c1a2769b048678
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/12557
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
This commit is contained in:
Martin Roth 2015-11-25 12:44:15 -07:00 committed by Stefan Reinauer
parent 74d165b18d
commit 335a9b61b3
1 changed files with 8 additions and 2 deletions
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10
toolchain.inc
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@ -155,10 +155,16 @@ ifeq ($(CONFIG_COMPILER_GCC),y)
ifneq ($(CONFIG_ANY_TOOLCHAIN),y)
$(foreach arch,$(sort $(foreach stage,$(COREBOOT_STANDARD_STAGES),$(ARCH-$(stage)-y))), \
$(if $(shell $(CC_$(arch)) -v 2>&1 |grep -q "gcc version .*coreboot toolchain" || echo not-coreboot), \
$(eval COMPILERFAIL:=1)$(warning Please use the coreboot toolchain for '$(arch)' (or prove that your toolchain works))))
$(eval COMPILERFAIL:=1)$(warning Please use the coreboot toolchain for '$(arch)')))
endif
endif
endif
ifeq ($(COMPILERFAIL),1)
$(error consider building our compilers: make crossgcc)
$(warning )
$(warning To build the entire coreboot toolchain: make crossgcc)
$(warning For more toolchain build targets: make help_toolchain)
$(warning )
$(warning *** To try to use your own toolchain, run 'make menuconfig', then select the)
$(warning *** config option: General setup -> Allow building with any toolchain)
$(error Note that this is NOT supported. Using it means you're on your own)
endif