dnl Copyright (c) 2002-2015 dnl The Xfce development team. All rights reserved. dnl dnl Written for Xfce by Benedikt Meurer . dnl dnl This program is free software; you can redistribute it and/or modify dnl it under the terms of the GNU General Public License as published by dnl the Free Software Foundation; either version 2 of the License, or dnl (at your option) any later version. dnl dnl This program is distributed in the hope that it will be useful, dnl but WITHOUT ANY WARRANTY; without even the implied warranty of dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the dnl GNU General Public License for more details. dnl dnl You should have received a copy of the GNU General Public License along dnl with this program; if not, write to the Free Software Foundation, Inc., dnl 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. dnl dnl xdt-depends dnl ----------- dnl Contains M4 macros to check for software dependencies. dnl Partly based on prior work of the XDG contributors. dnl dnl We need recent a autoconf version AC_PREREQ([2.60]) dnl XDT_PROG_PKG_CONFIG() dnl dnl Checks for the freedesktop.org pkg-config dnl utility and sets the PKG_CONFIG environment dnl variable to the full path if found. dnl AC_DEFUN([XDT_PROG_PKG_CONFIG], [ # minimum supported version of pkg-config xdt_cv_PKG_CONFIG_MIN_VERSION=0.9.0 m4_ifdef([PKG_PROG_PKG_CONFIG], [ PKG_PROG_PKG_CONFIG([$xdt_cv_PKG_CONFIG_MIN_VERSION]) if test x"$PKG_CONFIG" = x""; then echo echo "*** Your version of pkg-config is too old. You need atleast" echo "*** pkg-config $xdt_cv_PKG_CONFIG_MIN_VERSION or newer. You can download pkg-config" echo "*** from the freedesktop.org software repository at" echo "***" echo "*** http://www.freedesktop.org/software/pkgconfig" echo "***" exit 1; fi ], [ echo echo "*** The pkg-config utility could not be found on your system." echo "*** Make sure it is in your path, or set the PKG_CONFIG" echo "*** environment variable to the full path to pkg-config." echo "*** You can download pkg-config from the freedesktop.org" echo "*** software repository at" echo "***" echo "*** http://www.freedesktop.org/software/pkgconfig" echo "***" exit 1 ]) ]) dnl XDT_CHECK_PACKAGE(varname, package, version, [action-if], [action-if-not]) dnl dnl Checks if "package" >= "version" is installed on the dnl target system, using the pkg-config utility. If the dnl dependency is met, "varname"_CFLAGS, "varname"_LIBS, dnl "varname"_VERSION and "varname"_REQUIRED_VERSION dnl will be set and marked for substition. dnl dnl "varname"_REQUIRED_VERSION will be set to the value of dnl "version". This is mostly useful to automatically dnl place the correct version information into the RPM dnl .spec file. dnl dnl In addition, if the dependency is met, "action-if" will dnl be executed if given. dnl dnl If the package check fails, "action-if-not" will be dnl executed. If this parameter isn't specified, a diagnostic dnl message will be printed and the configure script will dnl be terminated with exit code 1. dnl AC_DEFUN([XDT_CHECK_PACKAGE], [ XDT_PROG_PKG_CONFIG() AC_MSG_CHECKING([for $2 >= $3]) if $PKG_CONFIG "--atleast-version=$3" "$2" >/dev/null 2>&1; then $1_VERSION=`$PKG_CONFIG --modversion "$2"` AC_MSG_RESULT([$$1_VERSION]) AC_MSG_CHECKING([$1_CFLAGS]) $1_CFLAGS=`$PKG_CONFIG --cflags "$2"` AC_MSG_RESULT([$$1_CFLAGS]) AC_MSG_CHECKING([$1_LIBS]) $1_LIBS=`$PKG_CONFIG --libs "$2"` AC_MSG_RESULT([$$1_LIBS]) $1_REQUIRED_VERSION=$3 AC_SUBST([$1_VERSION]) AC_SUBST([$1_CFLAGS]) AC_SUBST([$1_LIBS]) AC_SUBST([$1_REQUIRED_VERSION]) ifelse([$4], , , [$4]) elif $PKG_CONFIG --exists "$2" >/dev/null 2>&1; then xdt_cv_version=`$PKG_CONFIG --modversion "$2"` AC_MSG_RESULT([found, but $xdt_cv_version]) ifelse([$5], , [ echo "*** The required package $2 was found on your system," echo "*** but the installed version ($xdt_cv_version) is too old." echo "*** Please upgrade $2 to atleast version $3, or adjust" echo "*** the PKG_CONFIG_PATH environment variable if you installed" echo "*** the new version of the package in a nonstandard prefix so" echo "*** pkg-config is able to find it." exit 1 ], [$5]) else AC_MSG_RESULT([not found]) ifelse([$5], , [ echo "*** The required package $2 was not found on your system." echo "*** Please install $2 (atleast version $3) or adjust" echo "*** the PKG_CONFIG_PATH environment variable if you" echo "*** installed the package in a nonstandard prefix so that" echo "*** pkg-config is able to find it." exit 1 ], [$5]) fi ]) dnl XDT_CHECK_OPTIONAL_PACKAGE(varname, package, version, optionname, helpstring, [default]) dnl dnl Checks for an optional dependency on "package" >= "version". "default" dnl can be "yes" or "no" (defaults to "yes" if not specified) and controls dnl whether configure should check this dependency by default, or only if dnl the user explicitly enables it using a command line switch. dnl dnl This macro automatically adds a commandline switch based on the "optionname" dnl parameter (--enable-optionname/--disable-optionname), which allows the dnl user to explicitly control whether this optional dependency should be dnl enabled or not. The "helpstring" parameter gives a brief(!) description dnl about this dependency. dnl dnl If the user chose to enable this dependency and the required package dnl was found, this macro defines the variable "varname"_FOUND and sets it dnl to the string "yes", in addition to the 4 variables set by XDT_CHECK_PACKAGE. dnl But "varname"_FOUND will not be marked for substition. Furthermore, dnl a CPP define HAVE_"varname" will be placed in config.h (or added to dnl the cc command line, depending on your configure.ac) and set to dnl 1. dnl AC_DEFUN([XDT_CHECK_OPTIONAL_PACKAGE], [ AC_REQUIRE([XDT_PROG_PKG_CONFIG]) AC_ARG_ENABLE([$4], AC_HELP_STRING([--enable-$4], [Enable checking for $5 (default=m4_default([$6], [yes]))]) AC_HELP_STRING([--disable-$4], [Disable checking for $5]), [xdt_cv_$1_check=$enableval], [xdt_cv_$1_check=m4_default([$6], [yes])]) if test x"$xdt_cv_$1_check" = x"yes"; then if $PKG_CONFIG --exists "$2 >= $3" >/dev/null 2>&1; then XDT_CHECK_PACKAGE([$1], [$2], [$3], [ AC_DEFINE([HAVE_$1], [1], [Define if $2 >= $3 present]) $1_FOUND="yes" ]) else AC_MSG_CHECKING([for optional package $2 >= $3]) AC_MSG_RESULT([not found]) fi else AC_MSG_CHECKING([for optional package $2]) AC_MSG_RESULT([disabled]) fi AM_CONDITIONAL([HAVE_$1], [test x"$$1_FOUND" = x"yes"]) ]) dnl XDT_CHECK_LIBX11() dnl dnl Executes various checks for X11. Sets LIBX11_CFLAGS, LIBX11_LDFLAGS dnl and LIBX11_LIBS (and marks them for substitution). In addition dnl HAVE_LIBX11 is set to 1 in config.h, if the X window system and dnl the development files are detected on the target system. dnl AC_DEFUN([XDT_CHECK_LIBX11], [ AC_REQUIRE([AC_PATH_XTRA]) LIBX11_CFLAGS= LIBX11_LDFLAGS= LIBX11_LIBS= if test x"$no_x" != x"yes"; then AC_CHECK_LIB([X11], [main], [ AC_DEFINE([HAVE_LIBX11], [1], [Define if libX11 is available]) LIBX11_CFLAGS="$X_CFLAGS" for option in $X_PRE_LIBS $X_EXTRA_LIBS $X_LIBS; do case "$option" in -L*) path=`echo $option | sed 's/^-L//'` if test x"$path" != x""; then LIBX11_LDFLAGS="$LIBX11_LDFLAGS -L$path" fi ;; *) LIBX11_LIBS="$LIBX11_LIBS $option" ;; esac done if ! echo $LIBX11_LIBS | grep -- '-lX11' >/dev/null; then LIBX11_LIBS="$LIBX11_LIBS -lX11" fi ], [], [$X_CFLAGS $X_PRE_LIBS $X_EXTRA_LIBS $X_LIBS]) fi AC_SUBST([LIBX11_CFLAGS]) AC_SUBST([LIBX11_LDFLAGS]) AC_SUBST([LIBX11_LIBS]) ]) dnl XDT_CHECK_LIBX11_REQUIRE() dnl dnl Similar to XDT_CHECK_LIBX11(), but terminates with an error if dnl the X window system and development files aren't detected on the dnl target system. dnl AC_DEFUN([XDT_CHECK_LIBX11_REQUIRE], [ AC_REQUIRE([XDT_CHECK_LIBX11]) if test x"$no_x" = x"yes"; then AC_MSG_ERROR([X Window system libraries and header files are required]) fi ]) dnl XDT_CHECK_LIBSM() dnl dnl Checks whether the session management library is present on the dnl target system, and sets LIBSM_CFLAGS, LIBSM_LDFLAGS and LIBSM_LIBS dnl properly. In addition, HAVE_LIBSM will be set to 1 in config.h dnl if libSM is detected. dnl AC_DEFUN([XDT_CHECK_LIBSM], [ AC_REQUIRE([XDT_CHECK_LIBX11]) LIBSM_CFLAGS= LIBSM_LDFLAGS= LIBSM_LIBS= if test x"$no_x" != x"yes"; then AC_CHECK_LIB([SM], [SmcSaveYourselfDone], [ AC_DEFINE([HAVE_LIBSM], [1], [Define if libSM is available]) LIBSM_CFLAGS="$LIBX11_CFLAGS" LIBSM_LDFLAGS="$LIBX11_LDFLAGS" LIBSM_LIBS="$LIBX11_LIBS" if ! echo $LIBSM_LIBS | grep -- '-lSM' >/dev/null; then LIBSM_LIBS="$LIBSM_LIBS -lSM -lICE" fi ], [], [$LIBX11_CFLAGS $LIBX11_LDFLAGS $LIBX11_LIBS -lICE]) fi AC_SUBST([LIBSM_CFLAGS]) AC_SUBST([LIBSM_LDFLAGS]) AC_SUBST([LIBSM_LIBS]) ]) dnl XDT_CHECK_LIBXPM() dnl dnl Checks if the Xpm library is present on the target system, and dnl sets LIBXPM_CFLAGS, LIBXPM_LDFLAGS and LIBXPM_LIBS. In addition, dnl HAVE_LIBXPM will be set to 1 in config.h if libXpm is detected. dnl AC_DEFUN([XDT_CHECK_LIBXPM], [ AC_REQUIRE([XDT_CHECK_LIBX11]) LIBXPM_CFLAGS= LIBXPM_LDFLAGS= LIBXPM_LIBS= if test "$no_x" != "yes"; then AC_CHECK_LIB([Xpm], [main], [ AC_DEFINE([HAVE_LIBXPM], [1], [Define if libXpm is available]) LIBXPM_CFLAGS="$LIBX11_CFLAGS" LIBXPM_LDFLAGS="$LIBX11_LDFLAGS" LIBXPM_LIBS="$LIBX11_LIBS" if ! echo $LIBXPM_LIBS | grep -- '-lXpm' >/dev/null; then LIBXPM_LIBS="$LIBXPM_LIBS -lXpm" fi ], [], [$LIBX11_CFLAGS $LIBX11_LDFLAGS $LIBX11_LIBS -lXpm]) fi AC_SUBST([LIBXPM_CFLAGS]) AC_SUBST([LIBXPM_LDFLAGS]) AC_SUBST([LIBXPM_LIBS]) ]) dnl XDT_CHECK_LIBXPM_REQUIRE() dnl dnl Similar to XDT_CHECK_LIBXPM(), but fails if the Xpm library isn't dnl present on the target system. dnl AC_DEFUN([XDT_CHECK_LIBXPM_REQUIRE], [ AC_REQUIRE([XDT_CHECK_LIBX11_REQUIRE]) AC_REQUIRE([XDT_CHECK_LIBXPM]) if test x"$LIBXPM_LIBS" = x""; then AC_MSG_ERROR([The Xpm library was not found on your system]) fi ])