From 746e334cdf3f45cbcdfa0f5cc7c5974a77875224 Mon Sep 17 00:00:00 2001
From: bryan newbold <bnewbold@leaflabs.com>
Date: Mon, 24 Mar 2014 15:32:08 -0400
Subject: lint: add color, recursive include, Xilinx primitives

All subdirectories below ./hdl are now added to the lint search path.
%Error and %Warning get colorized.
Xilinx Unisim primitives use empty template definitions; errors in this
file are ignored using a verilator config file.
---
 Makefile.example  | 3 +++
 contrib/xilinx.mk | 9 ++++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/Makefile.example b/Makefile.example
index 81bca85..41d7d76 100644
--- a/Makefile.example
+++ b/Makefile.example
@@ -93,6 +93,9 @@ xilinx_cores +=
 ### Edit this line to specify a non-empty file for use with your project.
 bmm_file := contrib/empty.bmm
 
+### Extra project-specific arguments to linter
+#lint_extra := -Wno-ASSIGNDLY
+
 ### The bulk of the actual Xilinx-oriented build system is in a different file
 include ./contrib/xilinx.mk
 
diff --git a/contrib/xilinx.mk b/contrib/xilinx.mk
index 3d2a927..adcb792 100644
--- a/contrib/xilinx.mk
+++ b/contrib/xilinx.mk
@@ -103,6 +103,10 @@ PWD := $(shell pwd)
 # The following are used to color-code console build output
 colorize ?= 2>&1 | python $(PWD)/contrib/colorize.py red ERROR: yellow WARNING: green \"Number of error messages: 0\" green \"Number of error messages:\t0\" green \"Number of errors:     0\"
 colorizetest ?= 2>&1 | python $(PWD)/contrib/colorize.py red FAIL green PASS
+colorizelint ?= 2>&1 | python $(PWD)/contrib/colorize.py red %Error yellow %Warning
+
+# Build up lint include path from all paths below ./hdl/
+lint_search += $(foreach d, $(shell /usr/bin/find ./hdl/ -type d), -I$(d))
 
 # Library stuff (TODO: untested)
 libs ?=
@@ -397,7 +401,10 @@ par_timingan: build/$(project)_post_par.twr
 		timingan -ucf ../$(ucf_file) $(project)_par.ncd $(project).pcf $(project)_post_par.twx &"
 
 lint:
-	verilator --lint-only -I./hdl -I./cores -Wall -Wno-DECLFILENAME hdl/$(top_module)_$(board) || true
+	@mkdir -p build
+	@echo "\`verilator_config" > build/verilator_opts.vlt
+	@echo 'lint_off -file "$(iseenv)/ISE/verilog/src/iSE/unisim_comp.v"' >> build/verilator_opts.vlt
+	verilator --lint-only -I./cores $(lint_search) -Wall -Wno-DECLFILENAME -v $(iseenv)/ISE/verilog/src/iSE/unisim_comp.v build/verilator_opts.vlt $(lint_extra) hdl/$(top_module)_$(board) $(colorizelint) || true
 
 help:
 	@cat ./contrib/README
-- 
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