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Commit 2209001f authored by Borislav Petkov's avatar Borislav Petkov Committed by Arnaldo Carvalho de Melo
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perf tools: Check for flex and bison before continuing building 



Check whether both executables are present on the system before
continuing with the build instead of failing halfway, if either are
missing.

Signed-off-by: default avatarBorislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1359979554-9160-1-git-send-email-bp@alien8.de


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 74b2133d

tools/perf/Makefile

+10 −3
Original line number Diff line number Diff line
@@ -149,6 +149,8 @@ RM = rm -f 
MKDIR = mkdir

FIND = find

INSTALL = install

FLEX = flex

BISON= bison



# sparse is architecture-neutral, which means that we need to tell it

# explicitly what architecture to check for. Fix this up for yours..
@@ -158,6 +160,14 @@ ifneq ($(MAKECMDGOALS),clean) 
ifneq ($(MAKECMDGOALS),tags)

-include config/feature-tests.mak



ifeq ($(call get-executable,$(FLEX)),)

	dummy := $(error Error: $(FLEX) is missing on this system, please install it)

endif



ifeq ($(call get-executable,$(BISON)),)

	dummy := $(error Error: $(BISON) is missing on this system, please install it)

endif



ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -fstack-protector-all,-fstack-protector-all),y)

	CFLAGS := $(CFLAGS) -fstack-protector-all

endif
@@ -282,9 +292,6 @@ endif 


export PERL_PATH



FLEX = flex

BISON= bison



$(OUTPUT)util/parse-events-flex.c: util/parse-events.l $(OUTPUT)util/parse-events-bison.c

	$(QUIET_FLEX)$(FLEX) --header-file=$(OUTPUT)util/parse-events-flex.h $(PARSER_DEBUG_FLEX) -t util/parse-events.l > $(OUTPUT)util/parse-events-flex.c