# Copyright © 2013 Red Hat, Inc.

#

# Permission to use, copy, modify, distribute, and sell this software and its

# documentation for any purpose is hereby granted without fee, provided that

# the above copyright notice appear in all copies and that both that copyright

# notice and this permission notice appear in supporting documentation, and

# that the name of the copyright holders not be used in advertising or

# publicity pertaining to distribution of the software without specific,

# written prior permission.  The copyright holders make no representations

# about the suitability of this software for any purpose.  It is provided "as

# is" without express or implied warranty.

#

# THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,

# INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO

# EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR

# CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,

# DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER

# TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE

# OF THIS SOFTWARE.

AC_PREREQ([2.62])

AC_INIT([libevdev],

        [1.8.0],

        [https://bugs.freedesktop.org/enter_bug.cgi?product=libevdev],

        [libevdev],

        [http://freedesktop.org/wiki/Software/libevdev/])

AC_CONFIG_SRCDIR([libevdev/libevdev.c])

AC_CONFIG_HEADERS([config.h])

AC_CONFIG_MACRO_DIR([m4])

AC_CONFIG_AUX_DIR([build-aux])

AC_USE_SYSTEM_EXTENSIONS

AM_INIT_AUTOMAKE([1.11 foreign no-dist-gzip dist-xz subdir-objects])

# Before making a release, the LIBEVDEV_LT_VERSION string should be

# modified.

# The string is of the form C:R:A.

# - If interfaces have been changed or added, but binary compatibility has

#   been preserved, change to C+1:0:A+1

# - If binary compatibility has been broken (eg removed or changed interfaces)

#   change to C+1:0:0

# - If the interface is the same as the previous version, change to C:R+1:A

LIBEVDEV_LT_VERSION=5:0:3

AC_SUBST(LIBEVDEV_LT_VERSION)

AM_SILENT_RULES([yes])

# Check for programs

AC_PROG_CC_C99

# Initialize libtool

LT_PREREQ([2.2])

LT_INIT

LT_PATH_LD

with_ldflags=""

if test "x$lt_cv_prog_gnu_ld" = "xyes"; then

	CC_CHECK_FLAGS_APPEND([with_ldflags], [LDFLAGS], [\

				-Wl,--as-needed \

				-Wl,--gc-sections \

				-Wl,-z,relro \

				-Wl,-z,now])

fi

AC_SUBST([GNU_LD_FLAGS], $with_ldflags)

AC_CHECK_LIB([m], [round])

PKG_PROG_PKG_CONFIG()

PKG_CHECK_MODULES(CHECK, [check >= 0.9.9], [HAVE_CHECK="yes"], [HAVE_CHECK="no"])

if test "x$HAVE_CHECK" = "xyes"; then

	AC_PATH_PROG(VALGRIND, [valgrind])

else

	AC_MSG_WARN([check not found - skipping building unit tests])

fi

AM_CONDITIONAL(HAVE_VALGRIND, [test "x$VALGRIND" != "x"])

AM_CONDITIONAL(ENABLE_RUNTIME_TESTS, [test "x$HAVE_CHECK" = "xyes"])

AM_CONDITIONAL(ENABLE_STATIC_LINK_TEST, [test "x$enable_static" = "xyes"])

with_cflags=""

if test "x$GCC" = "xyes"; then

	CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\

				-Wall \

				-Wextra \

				-Wno-unused-parameter \

				-Wstrict-prototypes \

				-Wmissing-prototypes \

				-fvisibility=hidden \

				-pipe \

				-fno-strict-aliasing \

				-ffunction-sections \

				-fdata-sections \

				-fno-strict-aliasing \

				-fdiagnostics-show-option \

				-fno-common])

fi

AC_SUBST([GCC_CFLAGS], $with_cflags)

AC_PATH_PROG(DOXYGEN, [doxygen])

if test "x$DOXYGEN" = "x"; then

	AC_MSG_WARN([doxygen not found - required for documentation])

	have_doxygen="no"

else

	have_doxygen="yes"

fi

AM_CONDITIONAL([HAVE_DOXYGEN], [test "x$have_doxygen" = "xyes"])

AC_MSG_CHECKING([whether to build with gcov])

AC_ARG_ENABLE([gcov],

	      [AS_HELP_STRING([--enable-gcov],

			      [Whether to enable coverage testing (default:disabled)])],

	      [],

	      [enable_gcov=no],

	      )

AS_IF([test "x$enable_gcov" != "xno"],

      [

       GCOV_CFLAGS="-fprofile-arcs -ftest-coverage"

       GCOV_LDFLAGS="-lgcov"

       enable_gcov=yes

       ],

)

AM_CONDITIONAL([GCOV_ENABLED], [test "x$enable_gcov" != "xno"])

AC_SUBST([GCOV_CFLAGS])

AC_SUBST([GCOV_LDFLAGS])

AC_MSG_RESULT([$enable_gcov])

AM_PATH_PYTHON([2.6])

AC_PATH_PROG(CAT, [cat])

# nm to check for leaking symbols in the static library

AC_PATH_PROG(NM, [nm])

AM_CONDITIONAL(HAVE_NM, [test "x$NM" != "x"])

if test "x$enable_static" = "xno"; then

	static_symbol_leaks_test="no - static build disabled"

else

	if test "x$NM" = "x"; then

		AC_MSG_WARN([nm not found - skipping symbol leak test])

		have_nm="no"

		static_symbol_leaks_test="no - nm not found"

	else

		have_nm="yes"

		static_symbol_leaks_test="yes"

	fi

fi

AM_CONDITIONAL(ENABLE_STATIC_SYMBOL_LEAKS_TEST, [test "x$static_symbol_leaks_test" = "xyes"])

AC_CONFIG_FILES([Makefile

		 libevdev/Makefile

		 doc/Makefile

		 doc/libevdev.doxygen

		 doc/libevdev.man

		 tools/Makefile

		 test/Makefile

		 libevdev.pc])

AC_OUTPUT

AC_MSG_RESULT([

	       Prefix				${prefix}

	       Libdir				${libdir}

	       Build documentation		${have_doxygen}

	       Enable unit-tests		${HAVE_CHECK}

	       Enable profiling			${enable_gcov}

	       Static library symbol check	${static_symbol_leaks_test}

	       ])