WSL2-Linux-Kernel/tools/build/Makefile.include

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Makefile
Исходник Обычный вид История

build := -f $(srctree)/tools/build/Makefile.build dir=. obj
fixdep:
$(Q)$(MAKE) -C $(srctree)/tools/build CFLAGS= LDFLAGS= $(OUTPUT)fixdep
perf build: Add special fixdep cleaning rule Ingo reported following build failure: On Sat, Feb 11, 2017 at 12:12:34PM +0100, Ingo Molnar wrote: > > So I had this oldish 32-bit 15.10 Ubuntu installation around (fully updated), and > trying to build perf gave me: > > deimos:~/tip/tools/perf> make > BUILD: Doing 'make -j4' parallel build > make[3]: *** No rule to make target '/usr/include/x86_64-linux-gnu/sys/types.h', needed by 'fixdep.o'. Stop. > Makefile:42: recipe for target 'fixdep-in.o' failed > make[2]: *** [fixdep-in.o] Error 2 > /home/mingo/tip/tools/build/Makefile.include:4: recipe for target 'fixdep' failed > make[1]: *** [fixdep] Error 2 > Makefile:68: recipe for target 'all' failed > make: *** [all] Error 2 > > Now this got a bit better after I did a 'make mrproper' in the kernel tree: > > deimos:~/tip/tools/perf> make > BUILD: Doing 'make -j4' parallel build > HOSTCC fixdep.o > /home/mingo/tip/tools/build/fixdep: 1: /home/mingo/tip/tools/build/fixdep: Syntax error: "(" unexpected > /home/mingo/tip/tools/build/Makefile.build:101: recipe for target 'fixdep.o' failed > make[3]: *** [fixdep.o] Error 2 > Makefile:42: recipe for target 'fixdep-in.o' failed > make[2]: *** [fixdep-in.o] Error 2 > /home/mingo/tip/tools/build/Makefile.include:4: recipe for target 'fixdep' failed > make[1]: *** [fixdep] Error 2 > Makefile:68: recipe for target 'all' failed > make: *** [all] Error 2 > > After some digging it turns out that my 'fixdep' binary was 64-bit: > > deimos:~/tip/tools/perf> file /home/mingo/tip/tools/build/fixdep > /home/mingo/tip/tools/build/fixdep: ELF 64-bit LSB executable, x86-64, version 1 > (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux > 2.6.32, BuildID[sha1]=d527f736b57b5ba47210fbcb562a3b52867d21c1, not stripped > > But it did not get cleaned out by 'make clean'. > > Only after I did a 'make clean' in tools/ itself, did it get built properly. It shows we don't clean up properly the fixdep objects, so adding special rule for that. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Reported-by: Ingo Molnar <mingo@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1487340058-10496-2-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-02-17 17:00:54 +03:00
fixdep-clean:
$(Q)$(MAKE) -C $(srctree)/tools/build clean
.PHONY: fixdep