configure.ac - external/gitlab.freedesktop.org/libinput/libinput - Git at Google

 AC_PREREQ([2.64])

 m4_define([libinput_major_version], [1])
 m4_define([libinput_minor_version], [0])
 m4_define([libinput_micro_version], [2])
 m4_define([libinput_version],
           [libinput_major_version.libinput_minor_version.libinput_micro_version])

 AC_INIT([libinput],
         [libinput_version],
         [https://bugs.freedesktop.org/enter_bug.cgi?product=Wayland&component=libinput&version=libinput_version],
         [libinput],
         [http://www.freedesktop.org/wiki/Software/libinput/])

 AC_SUBST([LIBINPUT_VERSION_MAJOR], [libinput_major_version])
 AC_SUBST([LIBINPUT_VERSION_MINOR], [libinput_minor_version])
 AC_SUBST([LIBINPUT_VERSION_MICRO], [libinput_micro_version])
 AC_SUBST([LIBINPUT_VERSION], [libinput_version])

 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_MACRO_DIR([m4])

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

 # Before making a release, the LIBINPUT_LT_VERSION string should be
 # modified.
 # The string is of the form C:R:A.
 # a) If binary compatibility has been broken (eg removed or changed interfaces)
 #    change to C+1:0:0. DO NOT DO THIS! Use symbol versioning instead and
 #    do b) instead.
 # b) If interfaces have been changed or added, but binary compatibility has
 #    been preserved, change to C+1:0:A+1
 # c) If the interface is the same as the previous version, change to C:R+1:A
 LIBINPUT_LT_VERSION=15:3:5
 AC_SUBST(LIBINPUT_LT_VERSION)

 AM_SILENT_RULES([yes])
 AC_USE_SYSTEM_EXTENSIONS

 # Check for programs
 AC_PROG_CC_C99
 AC_PROG_CXX # Only used by build C++ test
 AC_PROG_GREP

 # Initialize libtool
 LT_PREREQ([2.2])
 LT_INIT

 AC_CHECK_DECL(EPOLL_CLOEXEC, [],
 	      [AC_MSG_ERROR("EPOLL_CLOEXEC is needed to compile libinput")],
 	      [[#include <sys/epoll.h>]])
 AC_CHECK_DECL(TFD_CLOEXEC,[],
 	      [AC_MSG_ERROR("TFD_CLOEXEC is needed to compile libinput")],
 	      [[#include <sys/timerfd.h>]])
 AC_CHECK_DECL(CLOCK_MONOTONIC,[],
 	      [AC_MSG_ERROR("CLOCK_MONOTONIC is needed to compile libinput")],
 	      [[#include <time.h>]])

 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_ARG_WITH(libunwind,
             AS_HELP_STRING([--without-libunwind],[Do not use libunwind]))

 AS_IF([test "x$with_libunwind" != "xno"],
 	[PKG_CHECK_MODULES(LIBUNWIND,
 		  [libunwind],
 		  [HAVE_LIBUNWIND=yes],
 		  [HAVE_LIBUNWIND=no])],
 	[HAVE_LIBUNWIND=no])

 AS_IF([test "x$HAVE_LIBUNWIND" = "xyes"],
 	[AC_DEFINE(HAVE_LIBUNWIND, 1, [Have libunwind support])],
 	[AS_IF([test "x$with_libunwind" = "xyes"],
 		[AC_MSG_ERROR([libunwind requested but not found])])])

 AM_CONDITIONAL(HAVE_LIBUNWIND, [test "x$HAVE_LIBUNWIND" = xyes])
 AC_PATH_PROG(ADDR2LINE, [addr2line])
 if test "x$ADDR2LINE" != "x"; then
 	AC_DEFINE_UNQUOTED(HAVE_ADDR2LINE, 1, [addr2line found])
 	AC_DEFINE_UNQUOTED(ADDR2LINE, ["$ADDR2LINE"], [Path to addr2line])
 fi

 AC_CHECK_LIB([m], [atan2])
 AC_CHECK_LIB([rt], [clock_gettime])

 if test "x$GCC" = "xyes"; then
 	GCC_CXXFLAGS="-Wall -Wextra -Wno-unused-parameter -g -fvisibility=hidden"
 	GCC_CFLAGS="$GCC_CXXFLAGS -Wmissing-prototypes -Wstrict-prototypes"
 fi
 AC_SUBST(GCC_CFLAGS)
 AC_SUBST(GCC_CXXFLAGS)

 udev_dir_default="$libdir/udev"
 AC_ARG_WITH(udev-dir,
             AS_HELP_STRING([--with-udev-dir=DIR],
                            [udev base directory [[default=$udev_dir_default]]]),
             [],
             [with_udev_dir="yes"])
 AS_CASE($with_udev_dir,
 	[no|""], [AC_MSG_ERROR([You must define a udev base directory])],
 	[yes], [udevdir="$udev_dir_default"],
 	[udevdir="$with_udev_dir"])
 UDEV_DIR=${udevdir}
 AC_SUBST(UDEV_DIR)

 AC_ARG_ENABLE([documentation],
 	      [AC_HELP_STRING([--enable-documentation],
 		              [Enable building the documentation (default=auto)])],
 	      [build_documentation="$enableval"],
 	      [build_documentation="auto"])

 if test "x$build_documentation" = "xyes" -o "x$build_documentation" = "xauto"; then
 	AC_PATH_PROG(DOXYGEN, doxygen)
 	if test "x$DOXYGEN" = "x"; then
 		if test "x$build_documentation" = "xyes"; then
 			AC_MSG_ERROR([Documentation build requested but doxygen not found. Install doxygen or disable the documentation using --disable-documentation])
 		fi
 	else
 		AC_MSG_CHECKING([for compatible doxygen version])
 		doxygen_version=`$DOXYGEN --version`
 		AS_VERSION_COMPARE([$doxygen_version], [1.6.0],
 		                   [AC_MSG_RESULT([no])
 		                    DOXYGEN=""],
 		                   [AC_MSG_RESULT([yes])],
 		                   [AC_MSG_RESULT([yes])])
 		if test "x$DOXYGEN" = "x" -a "x$build_documentation" = "xyes"; then
 			AC_MSG_ERROR([Doxygen $doxygen_version too old. Doxygen 1.6+ required for documentation build. Install required doxygen version or disable the documentation using --disable-documentation])
 		fi
 	fi

 	AC_PATH_PROG(DOT, dot)
 	if test "x$DOT" = "x"; then
 		if test "x$build_documentation" = "xyes"; then
 			AC_MSG_ERROR([Documentation build requested but graphviz's dot not found. Install graphviz or disable the documentation using --disable-documentation])
 		fi
 	else
 		AC_MSG_CHECKING([for compatible dot version])
 		dot_version=`$DOT -V 2>&1|$GREP -oP '(?<=version\W)@<:@0-9.@:>@*(?=\W(.*))'`
 		AS_VERSION_COMPARE([$dot_version], [2.26.0],
 		                   [AC_MSG_RESULT([no])
 		                    DOT=""],
 		                   [AC_MSG_RESULT([yes])],
 		                   [AC_MSG_RESULT([yes])])
 		if test "x$DOT" = "x" -a "x$build_documentation" = "xyes"; then
 			AC_MSG_ERROR([Graphviz dot $dot_version too old. Graphviz 2.26+ required for documentation build. Install required graphviz version or disable the documentation using --disable-documentation])
 		fi
 	fi

 	if test "x$DOXYGEN" != "x" -a "x$DOT" != "x"; then
 		build_documentation="yes"
 	else
 		build_documentation="no"
 	fi
 fi

 AC_ARG_ENABLE(event-gui,
 	      AS_HELP_STRING([--enable-event-gui], [Build the GUI event viewer (default=auto)]),
 	      [build_eventgui="$enableval"],
 	      [build_eventgui="auto"])
 PKG_CHECK_EXISTS([cairo glib-2.0 gtk+-3.0], [HAVE_GUILIBS="yes"], [HAVE_GUILIBS="no"])

 if test "x$build_eventgui" = "xauto"; then
 	build_eventgui="$HAVE_GUILIBS"
 fi
 if test "x$build_eventgui" = "xyes"; then
 	PKG_CHECK_MODULES(CAIRO, [cairo])
 	PKG_CHECK_MODULES(GTK, [glib-2.0 gtk+-3.0])
 fi
 AM_CONDITIONAL(BUILD_EVENTGUI, [test "x$build_eventgui" = "xyes"])

 AC_ARG_ENABLE(tests,
 	      AS_HELP_STRING([--enable-tests], [Build the tests (default=auto)]),
 	      [build_tests="$enableval"],
 	      [build_tests="auto"])

 PKG_CHECK_MODULES(CHECK, [check >= 0.9.10], [HAVE_CHECK="yes"], [HAVE_CHECK="no"])

 if test "x$build_tests" = "xauto"; then
 	build_tests="$HAVE_CHECK"
 fi
 if test "x$build_tests" = "xyes"; then
 	if test "x$HAVE_CHECK" = "xno"; then
 		AC_MSG_ERROR([Cannot build tests, check is missing])
 	fi

 	AC_PATH_PROG(VALGRIND, [valgrind])
 fi

 AM_CONDITIONAL(HAVE_VALGRIND, [test "x$VALGRIND" != "x"])
 AM_CONDITIONAL(BUILD_TESTS, [test "x$build_tests" = "xyes"])
 AM_CONDITIONAL(BUILD_DOCS, [test "x$build_documentation" = "xyes"])

 # Used by the udev rules so we can use callouts during testing without
 # installing everything first. Default is the empty string so the installed
 # rule will use udev's default path. Override is in udev/Makefile.am
 AC_SUBST(UDEV_TEST_PATH, "")
 AC_PATH_PROG(SED, [sed])

 AC_CONFIG_FILES([Makefile
 		 doc/Makefile
 		 doc/libinput.doxygen
 		 src/Makefile
 		 src/libinput.pc
 		 src/libinput-version.h
 		 test/Makefile
 		 tools/Makefile
 		 udev/Makefile
 		 udev/80-libinput-device-groups.rules
 		 udev/90-libinput-model-quirks.rules])
 AC_CONFIG_FILES([test/symbols-leak-test],
 		[chmod +x test/symbols-leak-test])
 AC_OUTPUT

 AC_MSG_RESULT([
 	Prefix			${prefix}
 	udev base dir		${UDEV_DIR}

 	Build documentation	${build_documentation}
 	Build tests		${build_tests}
 	Tests use valgrind	${VALGRIND}
 	Tests use libunwind	${HAVE_LIBUNWIND}
 	Build GUI event tool	${build_eventgui}
 	])
	AC_PREREQ([2.64])

	m4_define([libinput_major_version], [1])
	m4_define([libinput_minor_version], [0])
	m4_define([libinput_micro_version], [2])
	m4_define([libinput_version],
	[libinput_major_version.libinput_minor_version.libinput_micro_version])

	AC_INIT([libinput],
	[libinput_version],
	[https://bugs.freedesktop.org/enter_bug.cgi?product=Wayland&component=libinput&version=libinput_version],
	[libinput],
	[http://www.freedesktop.org/wiki/Software/libinput/])

	AC_SUBST([LIBINPUT_VERSION_MAJOR], [libinput_major_version])
	AC_SUBST([LIBINPUT_VERSION_MINOR], [libinput_minor_version])
	AC_SUBST([LIBINPUT_VERSION_MICRO], [libinput_micro_version])
	AC_SUBST([LIBINPUT_VERSION], [libinput_version])

	AC_CONFIG_HEADERS([config.h])
	AC_CONFIG_MACRO_DIR([m4])

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

	# Before making a release, the LIBINPUT_LT_VERSION string should be
	# modified.
	# The string is of the form C:R:A.
	# a) If binary compatibility has been broken (eg removed or changed interfaces)
	# change to C+1:0:0. DO NOT DO THIS! Use symbol versioning instead and
	# do b) instead.
	# b) If interfaces have been changed or added, but binary compatibility has
	# been preserved, change to C+1:0:A+1
	# c) If the interface is the same as the previous version, change to C:R+1:A
	LIBINPUT_LT_VERSION=15:3:5
	AC_SUBST(LIBINPUT_LT_VERSION)

	AM_SILENT_RULES([yes])
	AC_USE_SYSTEM_EXTENSIONS

	# Check for programs
	AC_PROG_CC_C99
	AC_PROG_CXX # Only used by build C++ test
	AC_PROG_GREP

	# Initialize libtool
	LT_PREREQ([2.2])
	LT_INIT

	AC_CHECK_DECL(EPOLL_CLOEXEC, [],
	[AC_MSG_ERROR("EPOLL_CLOEXEC is needed to compile libinput")],
	[[#include <sys/epoll.h>]])
	AC_CHECK_DECL(TFD_CLOEXEC,[],
	[AC_MSG_ERROR("TFD_CLOEXEC is needed to compile libinput")],
	[[#include <sys/timerfd.h>]])
	AC_CHECK_DECL(CLOCK_MONOTONIC,[],
	[AC_MSG_ERROR("CLOCK_MONOTONIC is needed to compile libinput")],
	[[#include <time.h>]])

	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_ARG_WITH(libunwind,
	AS_HELP_STRING([--without-libunwind],[Do not use libunwind]))

	AS_IF([test "x$with_libunwind" != "xno"],
	[PKG_CHECK_MODULES(LIBUNWIND,
	[libunwind],
	[HAVE_LIBUNWIND=yes],
	[HAVE_LIBUNWIND=no])],
	[HAVE_LIBUNWIND=no])

	AS_IF([test "x$HAVE_LIBUNWIND" = "xyes"],
	[AC_DEFINE(HAVE_LIBUNWIND, 1, [Have libunwind support])],
	[AS_IF([test "x$with_libunwind" = "xyes"],
	[AC_MSG_ERROR([libunwind requested but not found])])])

	AM_CONDITIONAL(HAVE_LIBUNWIND, [test "x$HAVE_LIBUNWIND" = xyes])
	AC_PATH_PROG(ADDR2LINE, [addr2line])
	if test "x$ADDR2LINE" != "x"; then
	AC_DEFINE_UNQUOTED(HAVE_ADDR2LINE, 1, [addr2line found])
	AC_DEFINE_UNQUOTED(ADDR2LINE, ["$ADDR2LINE"], [Path to addr2line])
	fi

	AC_CHECK_LIB([m], [atan2])
	AC_CHECK_LIB([rt], [clock_gettime])

	if test "x$GCC" = "xyes"; then
	GCC_CXXFLAGS="-Wall -Wextra -Wno-unused-parameter -g -fvisibility=hidden"
	GCC_CFLAGS="$GCC_CXXFLAGS -Wmissing-prototypes -Wstrict-prototypes"
	fi
	AC_SUBST(GCC_CFLAGS)
	AC_SUBST(GCC_CXXFLAGS)

	udev_dir_default="$libdir/udev"
	AC_ARG_WITH(udev-dir,
	AS_HELP_STRING([--with-udev-dir=DIR],
	[udev base directory [[default=$udev_dir_default]]]),
	[],
	[with_udev_dir="yes"])
	AS_CASE($with_udev_dir,
	[no\|""], [AC_MSG_ERROR([You must define a udev base directory])],
	[yes], [udevdir="$udev_dir_default"],
	[udevdir="$with_udev_dir"])
	UDEV_DIR=${udevdir}
	AC_SUBST(UDEV_DIR)

	AC_ARG_ENABLE([documentation],
	[AC_HELP_STRING([--enable-documentation],
	[Enable building the documentation (default=auto)])],
	[build_documentation="$enableval"],
	[build_documentation="auto"])

	if test "x$build_documentation" = "xyes" -o "x$build_documentation" = "xauto"; then
	AC_PATH_PROG(DOXYGEN, doxygen)
	if test "x$DOXYGEN" = "x"; then
	if test "x$build_documentation" = "xyes"; then
	AC_MSG_ERROR([Documentation build requested but doxygen not found. Install doxygen or disable the documentation using --disable-documentation])
	fi
	else
	AC_MSG_CHECKING([for compatible doxygen version])
	doxygen_version=`$DOXYGEN --version`
	AS_VERSION_COMPARE([$doxygen_version], [1.6.0],
	[AC_MSG_RESULT([no])
	DOXYGEN=""],
	[AC_MSG_RESULT([yes])],
	[AC_MSG_RESULT([yes])])
	if test "x$DOXYGEN" = "x" -a "x$build_documentation" = "xyes"; then
	AC_MSG_ERROR([Doxygen $doxygen_version too old. Doxygen 1.6+ required for documentation build. Install required doxygen version or disable the documentation using --disable-documentation])
	fi
	fi

	AC_PATH_PROG(DOT, dot)
	if test "x$DOT" = "x"; then
	if test "x$build_documentation" = "xyes"; then
	AC_MSG_ERROR([Documentation build requested but graphviz's dot not found. Install graphviz or disable the documentation using --disable-documentation])
	fi
	else
	AC_MSG_CHECKING([for compatible dot version])
	dot_version=`$DOT -V 2>&1\|$GREP -oP '(?<=version\W)@<:@0-9.@:>@(?=\W(.))'`
	AS_VERSION_COMPARE([$dot_version], [2.26.0],
	[AC_MSG_RESULT([no])
	DOT=""],
	[AC_MSG_RESULT([yes])],
	[AC_MSG_RESULT([yes])])
	if test "x$DOT" = "x" -a "x$build_documentation" = "xyes"; then
	AC_MSG_ERROR([Graphviz dot $dot_version too old. Graphviz 2.26+ required for documentation build. Install required graphviz version or disable the documentation using --disable-documentation])
	fi
	fi

	if test "x$DOXYGEN" != "x" -a "x$DOT" != "x"; then
	build_documentation="yes"
	else
	build_documentation="no"
	fi
	fi

	AC_ARG_ENABLE(event-gui,
	AS_HELP_STRING([--enable-event-gui], [Build the GUI event viewer (default=auto)]),
	[build_eventgui="$enableval"],
	[build_eventgui="auto"])
	PKG_CHECK_EXISTS([cairo glib-2.0 gtk+-3.0], [HAVE_GUILIBS="yes"], [HAVE_GUILIBS="no"])

	if test "x$build_eventgui" = "xauto"; then
	build_eventgui="$HAVE_GUILIBS"
	fi
	if test "x$build_eventgui" = "xyes"; then
	PKG_CHECK_MODULES(CAIRO, [cairo])
	PKG_CHECK_MODULES(GTK, [glib-2.0 gtk+-3.0])
	fi
	AM_CONDITIONAL(BUILD_EVENTGUI, [test "x$build_eventgui" = "xyes"])

	AC_ARG_ENABLE(tests,
	AS_HELP_STRING([--enable-tests], [Build the tests (default=auto)]),
	[build_tests="$enableval"],
	[build_tests="auto"])

	PKG_CHECK_MODULES(CHECK, [check >= 0.9.10], [HAVE_CHECK="yes"], [HAVE_CHECK="no"])

	if test "x$build_tests" = "xauto"; then
	build_tests="$HAVE_CHECK"
	fi
	if test "x$build_tests" = "xyes"; then
	if test "x$HAVE_CHECK" = "xno"; then
	AC_MSG_ERROR([Cannot build tests, check is missing])
	fi

	AC_PATH_PROG(VALGRIND, [valgrind])
	fi

	AM_CONDITIONAL(HAVE_VALGRIND, [test "x$VALGRIND" != "x"])
	AM_CONDITIONAL(BUILD_TESTS, [test "x$build_tests" = "xyes"])
	AM_CONDITIONAL(BUILD_DOCS, [test "x$build_documentation" = "xyes"])

	# Used by the udev rules so we can use callouts during testing without
	# installing everything first. Default is the empty string so the installed
	# rule will use udev's default path. Override is in udev/Makefile.am
	AC_SUBST(UDEV_TEST_PATH, "")
	AC_PATH_PROG(SED, [sed])

	AC_CONFIG_FILES([Makefile
	doc/Makefile
	doc/libinput.doxygen
	src/Makefile
	src/libinput.pc
	src/libinput-version.h
	test/Makefile
	tools/Makefile
	udev/Makefile
	udev/80-libinput-device-groups.rules
	udev/90-libinput-model-quirks.rules])
	AC_CONFIG_FILES([test/symbols-leak-test],
	[chmod +x test/symbols-leak-test])
	AC_OUTPUT

	AC_MSG_RESULT([
	Prefix ${prefix}
	udev base dir ${UDEV_DIR}

	Build documentation ${build_documentation}
	Build tests ${build_tests}
	Tests use valgrind ${VALGRIND}
	Tests use libunwind ${HAVE_LIBUNWIND}
	Build GUI event tool ${build_eventgui}
	])