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List:       pdf-devel
Subject:    [pdf-devel] Re: Generating code coverage reports
From:       Simon Josefsson <simon () josefsson ! org>
Date:       2008-10-28 21:56:14
Message-ID: 87mygomlj5.fsf () mocca ! josefsson ! org
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jemarch-mXXj517/zsQ@public.gmane.org writes:

> Hi Simon.
>
>    I was inspired by gnupdf's code coverage reports:
>
>    http://www.gnupdf.org/prmgt/coverage/
>
>    So I looked into how to integrate a script to generate them for some of
>    my projects.  I couldn't think of how to implement this as a gnulib
>    module, but I wrote rules for maintainer-makefile's 'cfg.mk'.
>
> Nice. Would be good to create standard rules to compile with code
> coverage in maint.mk.

Hi!  I have pushed the following.  Maybe some parameters should be made
more easy to configure, but that can be changed on demand later on.

/Simon

From cdccece5811c28f3ac95e1ae226967de25a8c387 Mon Sep 17 00:00:00 2001
From: Simon Josefsson <simon@josefsson.org>
Date: Tue, 28 Oct 2008 22:53:47 +0100
Subject: [PATCH] top/maint.mk: Add coverage rules, inspired by scripts in gnupdf.

---
 ChangeLog    |    4 ++++
 top/maint.mk |   24 ++++++++++++++++++++++++
 2 files changed, 28 insertions(+), 0 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index a35a54b..55e7f7e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2008-10-28  Simon Josefsson  <simon@josefsson.org>
 
+	* top/maint.mk: Add coverage rules, inspired by scripts in gnupdf.
+
+2008-10-28  Simon Josefsson  <simon@josefsson.org>
+
 	* MODULES.html.sh (Support for systems lacking POSIX:2001):
 	Mention times and sys_times.
 	* modules/sys_times, modules/sys_times-tests: New modules.
diff --git a/top/maint.mk b/top/maint.mk
index 24b7650..2eea98d 100644
--- a/top/maint.mk
+++ b/top/maint.mk
@@ -105,6 +105,30 @@ syntax-check-rules := $(shell sed -n 's/^\(sc_[a-zA-Z0-9_-]*\):.*/\1/p' $(ME))
 
 syntax-check: $(syntax-check-rules)
 
+# Code Coverage
+
+init-coverage:
+	make clean
+	lcov --directory . --zerocounters
+
+COVERAGE_CCOPTS ?= "-g -fprofile-arcs -ftest-coverage"
+COVERAGE_OUT ?= doc/coverage
+
+build-coverage:
+	make CFLAGS=$(COVERAGE_CCOPTS) CXXFLAGS=$(COVERAGE_CCOPTS)
+	make CFLAGS=$(COVERAGE_CCOPTS) CXXFLAGS=$(COVERAGE_CCOPTS) check
+	mkdir -p $(COVERAGE_OUT)
+	lcov --directory . --output-file $(COVERAGE_OUT)/$(PACKAGE).info \
+		--capture
+
+gen-coverage:
+	genhtml --output-directory $(COVERAGE_OUT) \
+		$(COVERAGE_OUT)/$(PACKAGE).info \
+		--highlight --frames --legend \
+		--title "$(PACKAGE_NAME)"
+
+coverage: init-coverage build-coverage gen-coverage
+
 # Update gettext files.
 PACKAGE ?= $(shell basename $(PWD))
 POURL = http://translationproject.org/latest/$(PACKAGE)/
-- 
1.5.6.5



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