perf tools: Allow external definition of flex and bison binary names
Allow user to define flex and bison binary names by passing FLEX and
BISON variables.
Signed-off-by: David Carrillo-Cisneros <davidcc@google.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Paul Turner <pjt@google.com>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/20170827075442.108534-3-davidcc@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index a700a07..58924eb 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -164,8 +164,8 @@
MKDIR = mkdir
FIND = find
INSTALL = install
-FLEX = flex
-BISON = bison
+FLEX ?= flex
+BISON ?= bison
STRIP = strip
AWK = awk