From 2209001fd895e8932ae2c85bfca233758234499a Mon Sep 17 00:00:00 2001 From: Borislav Petkov Date: Mon, 4 Feb 2013 13:05:54 +0100 Subject: [PATCH] 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: Borislav Petkov Link: http://lkml.kernel.org/r/1359979554-9160-1-git-send-email-bp@alien8.de Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Makefile | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 4b1044cbd84c..a158309a65ef 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -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 -- GitLab