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+dnl Copyright (c) 2002-2015
+dnl The Xfce development team. All rights reserved.
+dnl
+dnl Written for Xfce by Benedikt Meurer <benny@xfce.org>.
+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
+])
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