From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Wed, 2 Jul 2014 23:29:22 +0000 (+1000)
Subject: configure: check for -lm through AC_CHECK_LIB
X-Git-Tag: 0.5.0~53
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5d36e8e817cb3501165dd2d1b36d3487fa523eab;p=platform%2Fupstream%2Flibinput.git

configure: check for -lm through AC_CHECK_LIB

Saves us from manually appending it everywhere

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
---

diff --git a/configure.ac b/configure.ac
index 860324ac..ca317204 100644
--- a/configure.ac
+++ b/configure.ac
@@ -57,6 +57,7 @@ PKG_PROG_PKG_CONFIG()
 PKG_CHECK_MODULES(MTDEV, [mtdev >= 1.1.0])
 PKG_CHECK_MODULES(LIBUDEV, [libudev])
 PKG_CHECK_MODULES(LIBEVDEV, [libevdev >= 0.4])
+AC_CHECK_LIB([m], [atan2])
 
 if test "x$GCC" = "xyes"; then
 	GCC_CXXFLAGS="-Wall -Wextra -Wno-unused-parameter -g -fvisibility=hidden"
diff --git a/src/Makefile.am b/src/Makefile.am
index bf561845..76fe4c94 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -27,8 +27,7 @@ libinput_la_SOURCES =			\
 
 libinput_la_LIBADD = $(MTDEV_LIBS) \
 		     $(LIBUDEV_LIBS) \
-		     $(LIBEVDEV_LIBS) \
-		     -lm
+		     $(LIBEVDEV_LIBS)
 libinput_la_CFLAGS = -I$(top_srcdir)/include \
 		     $(MTDEV_CFLAGS)	\
 		     $(LIBUDEV_CFLAGS)	\
diff --git a/test/Makefile.am b/test/Makefile.am
index 8bfdf201..16dac419 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -8,7 +8,7 @@ AM_CPPFLAGS = -I$(top_srcdir)/include \
 AM_CFLAGS = $(GCC_CFLAGS)
 AM_CXXFLAGS = $(GCC_CXXFLAGS)
 
-TEST_LIBS = liblitest.la $(CHECK_LIBS) $(LIBUDEV_LIBS) $(LIBEVDEV_LIBS) $(top_builddir)/src/libinput.la -lm
+TEST_LIBS = liblitest.la $(CHECK_LIBS) $(LIBUDEV_LIBS) $(LIBEVDEV_LIBS) $(top_builddir)/src/libinput.la
 noinst_LTLIBRARIES = liblitest.la
 liblitest_la_SOURCES = \
 	$(top_srcdir)/src/libinput-util.h \