From: Fabio Utzig <utzig@utzig.org>
Date: Thu, 8 Jan 2015 11:58:24 +0000 (-0200)
Subject: Enable use of homebrew's provided bison if available
X-Git-Tag: yosys-0.5~114^2
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0a231f96d79d3eae927bf33571846c98f78eedfd;p=yosys.git

Enable use of homebrew's provided bison if available
---

diff --git a/Makefile b/Makefile
index 0ac0b7efd..a3aa2a397 100644
--- a/Makefile
+++ b/Makefile
@@ -44,6 +44,8 @@ ifeq (Darwin,$(findstring Darwin,$(shell uname)))
 	# add homebrew's libffi include and library path
 	CXXFLAGS += $(shell PKG_CONFIG_PATH=$$(brew list libffi | grep pkgconfig | xargs dirname) pkg-config --silence-errors --cflags libffi)
 	LDFLAGS += $(shell PKG_CONFIG_PATH=$$(brew list libffi | grep pkgconfig | xargs dirname) pkg-config --silence-errors --libs libffi)
+	# use bison installed by homebrew if available
+	BISON = $(shell (brew list bison | grep -m1 "bin/bison") || echo bison)
 	SED = gsed
 else
 	LDFLAGS += -rdynamic