Re: [coreboot] [PATCH]improve support for parallel make in kconfig

[Peter Stuge]

Patrick Georgi wrote:
> Also, build.h is atomically generated by writing to some other
> file, then renaming.
> printf "#define COREBOOT_VERSION "$(KERNELVERSION)"\n" > $(obj)/build.ht
> printf "#define COREBOOT_EXTRA_VERSION "$(COREBOOT_EXTRA_VERSION)"\n" >> $(obj)/build.ht
> printf "#define COREBOOT_BUILD "`LANG= date`"\n" >> $(obj)/build.ht
> printf "\n" >> $(obj)/build.ht
> printf "#define COREBOOT_COMPILER "$(shell LANG= $(CC) --version | head -n1)"\n" >> $(obj)/build.ht
> printf "#define COREBOOT_ASSEMBLER "$(shell LANG= $(AS) --version | head -n1)"\n" >> $(obj)/build.ht
> printf "#define COREBOOT_LINKER "$(shell LANG= $(LD) --version | head -n1)"\n" >> $(obj)/build.ht
> printf "#define COREBOOT_COMPILE_TIME "`LANG= date +%T`"\n" >> $(obj)/build.ht
> printf "#define COREBOOT_COMPILE_BY "$(subst ,@,$(shell PATH=$$PATH:/usr/ucb whoami))"\n" >> $(obj)/build.ht
> printf "#define COREBOOT_COMPILE_HOST "$(shell hostname)"\n" >> $(obj)/build.ht
> printf "#define COREBOOT_COMPILE_DOMAIN "$(shell test `uname -s` = "Linux" && dnsdomainname || domainname)"\n" >> $(obj)/build.ht
> printf "#include "config.h"\n" >> $(obj)/build.ht
> mv $(obj)/build.ht $(obj)/build.h

Is build.h strictly neccessary for the build? If yes, why?

//Peter