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From: Bartosz Golaszewski <brgl@bgdev.pl>
To: Kent Gibson <warthog618@gmail.com>,
	Linus Walleij <linus.walleij@linaro.org>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Viresh Kumar <viresh.kumar@linaro.org>
Cc: linux-gpio@vger.kernel.org, Bartosz Golaszewski <brgl@bgdev.pl>
Subject: [libgpiod v2][PATCH 3/4] build: add a configure option for enabling gcov profiling
Date: Thu, 10 Feb 2022 15:07:44 +0100	[thread overview]
Message-ID: <20220210140745.1059087-4-brgl@bgdev.pl> (raw)
In-Reply-To: <20220210140745.1059087-1-brgl@bgdev.pl>

Add a configure switch that adds the relevant gcov options to the
compiler flags for the core library and tests.

Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
---
 .gitignore        |  4 ++++
 configure.ac      | 10 ++++++++++
 lib/Makefile.am   |  1 +
 tests/Makefile.am |  1 +
 4 files changed, 16 insertions(+)

diff --git a/.gitignore b/.gitignore
index 2d7cc7f..58e1c5f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,3 +29,7 @@ libtool
 *-libtool
 m4/
 stamp-h1
+
+# profiling
+*.gcda
+*.gcno
diff --git a/configure.ac b/configure.ac
index 8e74104..dc09d70 100644
--- a/configure.ac
+++ b/configure.ac
@@ -122,6 +122,16 @@ AC_ARG_ENABLE([tests],
 	[with_tests=false])
 AM_CONDITIONAL([WITH_TESTS], [test "x$with_tests" = xtrue])
 
+AC_ARG_ENABLE([profiling],
+	[AS_HELP_STRING([--enable-profiling],
+		[enable gcov profiling on the core library and tests [default=no]])],
+	[if test "x$enableval" = xyes; then with_profiling=true; fi],
+	[with_profiling=false])
+if test "x$with_profiling" = xtrue
+then
+	AC_SUBST(PROFILING_FLAGS, ["-fprofile-arcs -ftest-coverage"])
+fi
+
 AC_DEFUN([FUNC_NOT_FOUND_TESTS],
 	[ERR_NOT_FOUND([$1()], [tests])])
 
diff --git a/lib/Makefile.am b/lib/Makefile.am
index 5423f72..5219855 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -17,6 +17,7 @@ libgpiod_la_SOURCES =	chip.c \
 libgpiod_la_CFLAGS = -Wall -Wextra -g -std=gnu89
 libgpiod_la_CFLAGS += -fvisibility=hidden -I$(top_srcdir)/include/
 libgpiod_la_CFLAGS += -include $(top_builddir)/config.h
+libgpiod_la_CFLAGS += $(PROFILING_FLAGS)
 libgpiod_la_LDFLAGS = -version-info $(subst .,:,$(ABI_VERSION))
 
 pkgconfigdir = $(libdir)/pkgconfig
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 7bf5e3f..8ec51e9 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -7,6 +7,7 @@ AM_CFLAGS = -I$(top_srcdir)/include/ -I$(top_srcdir)/tests/gpiosim/
 AM_CFLAGS += -include $(top_builddir)/config.h
 AM_CFLAGS += -Wall -Wextra -g -std=gnu89 $(GLIB_CFLAGS)
 AM_CFLAGS += -DG_LOG_DOMAIN=\"gpiod-test\"
+AM_CFLAGS += $(PROFILING_FLAGS)
 AM_LDFLAGS = -pthread
 LDADD = $(top_builddir)/lib/libgpiod.la
 LDADD += $(top_builddir)/tests/gpiosim/libgpiosim.la
-- 
2.30.1


  parent reply	other threads:[~2022-02-10 14:08 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-10 14:07 [libgpiod v2][PATCH 0/4] libgpiod v2: rewrite tests for the C library Bartosz Golaszewski
2022-02-10 14:07 ` [libgpiod v2][PATCH 1/4] line-request: don't accept NULL line config Bartosz Golaszewski
2022-02-17  3:02   ` Kent Gibson
2022-02-10 14:07 ` [libgpiod v2][PATCH 2/4] line-config: expose the override logic to users Bartosz Golaszewski
2022-02-17  4:32   ` Kent Gibson
2022-02-10 14:07 ` Bartosz Golaszewski [this message]
2022-02-10 14:07 ` [libgpiod v2][PATCH 4/4] tests: rewrite core C tests using libgpiosim Bartosz Golaszewski

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