path: root/tools
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authorBorislav Petkov <bp@suse.de>2013-02-04 13:05:54 +0100
committerArnaldo Carvalho de Melo <acme@redhat.com>2013-02-06 18:09:25 -0300
commit2209001fd895e8932ae2c85bfca233758234499a (patch)
tree879738da172ae13b897737858f578f39b0a86fee /tools
parent74b2133d19e776924b2773e27dd9d6940f1cc594 (diff)
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 <bp@suse.de> Link: http://lkml.kernel.org/r/1359979554-9160-1-git-send-email-bp@alien8.de Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
1 files changed, 10 insertions, 3 deletions
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 4b1044cbd84..a158309a65e 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: $(FLEX) is missing on this system, please install it)
+ifeq ($(call get-executable,$(BISON)),)
+ dummy := $(error Error: $(BISON) is missing on this system, please install it)
ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -fstack-protector-all,-fstack-protector-all),y)
CFLAGS := $(CFLAGS) -fstack-protector-all
@@ -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