dnl Process this file with autoconf to produce a configure script.
AC_PREREQ([2.63])

AC_INIT([gnome-system-monitor],
        [3.28.2],
        [http://bugzilla.gnome.org/enter_bug.cgi?product=system-monitor],
        [gnome-system-monitor])

AC_CONFIG_HEADERS([config.h])
AC_CONFIG_SRCDIR([configure.ac])
AC_CONFIG_MACRO_DIR([m4])

AM_INIT_AUTOMAKE([1.11.1 no-dist-gzip dist-xz foreign])
AM_SILENT_RULES([yes])

AM_MAINTAINER_MODE([enable])

# Check For programs
AC_PROG_CC
AC_PROG_CXX
AC_LANG([C++])
AC_LANG_COMPILER_REQUIRE
AX_CXX_COMPILE_STDCXX_11([],[mandatory])

# Initialize libtool
LT_PREREQ([2.2])
LT_INIT

# Package dependencies
GLIB_REQUIRED=2.55.0
LIBWNCK_REQUIRED=2.91.0
LIBGTOP_REQUIRED=2.37.2
GTK_REQUIRED=3.22.0
GNOME_ICON_THEME_REQUIRED=2.31
GTKMM_REQUIRED=3.3.18
GIOMM_REQUIRED=2.46
GLIBMM_REQUIRED=2.46
LIBXML_REQUIRED=2.0
RSVG_REQUIRED=2.35
SYSTEMD_REQUIRED=44

PKG_CHECK_MODULES(GSM,
  glib-2.0 >= $GLIB_REQUIRED
  libgtop-2.0 >= $LIBGTOP_REQUIRED
  gtk+-3.0 >= $GTK_REQUIRED
  gtkmm-3.0 >= $GTKMM_REQUIRED
  libxml-2.0 >= $LIBXML_REQUIRED
  librsvg-2.0 >= $RSVG_REQUIRED
  glibmm-2.4 >= $GLIBMM_REQUIRED
  giomm-2.4 >= $GIOMM_REQUIRED
  gmodule-2.0
)

PKG_CHECK_MODULES(GSM_LEGACY,
  glib-2.0 >= $GLIB_REQUIRED
  libgtop-2.0 >= $LIBGTOP_REQUIRED
  gtk+-3.0 >= $GTK_REQUIRED
  libxml-2.0 >= $LIBXML_REQUIRED
  librsvg-2.0 >= $RSVG_REQUIRED
  gmodule-2.0
)

AC_PATH_PROG(APPDATA_VALIDATE, appdata-validate)
AC_PATH_PROG(DESKTOP_FILE_VALIDATE, desktop-file-validate)

AC_ARG_ENABLE(broken-wnck, AS_HELP_STRING([--enable-broken-wnck], [enable wnck support, this will likely make system-monitor segfault]),enable_wnck="$enableval",enable_wnck=no)
if test "x$enable_wnck" != "xno"; then
        PKG_CHECK_MODULES(WNCK, libwnck-3.0 >= $LIBWNCK_REQUIRED gdk-x11-3.0)
        AC_DEFINE(HAVE_WNCK, 1, [Define if libwnck is available])
fi
AM_CONDITIONAL(HAVE_WNCK, [test "enable_wnck" = "yes"])

PKG_CHECK_MODULES(SCRIPTS, glib-2.0 >= $GLIB_REQUIRED)

have_systemd=no
AC_ARG_ENABLE(systemd, AS_HELP_STRING([--disable-systemd], [disable systemd support]),,enable_systemd=no)
if test "x$enable_systemd" != "xno"; then
        PKG_CHECK_MODULES(SYSTEMD, [libsystemd], [have_systemd=yes],
                                   [PKG_CHECK_MODULES(SYSTEMD, [libsystemd-login >= $SYSTEMD_REQUIRED],
                                   [have_systemd=yes])])
        if test "x$have_systemd" = xno; then
                AC_MSG_ERROR([*** systemd support requested but libraries not found])
        else
                AC_DEFINE(HAVE_SYSTEMD, 1, [Define if systemd is available])
        fi
fi
AM_CONDITIONAL(HAVE_SYSTEMD, [test "$have_systemd" = "yes"])

# Compiler warnings
GNOME_COMPILE_WARNINGS([maximum])

AC_ARG_ENABLE(more-warnings,
[AS_HELP_STRING([--enable-more-warnings],[Maximum compiler warnings])],
set_more_warnings="$enableval",[
    set_more_warnings=yes
])
AC_MSG_CHECKING(for more warnings, including -Werror)
if test "$GCC" = "yes" -a "$set_more_warnings" != "no"; then
    AC_MSG_RESULT(yes)
    CFLAGS="\
    -Wall \
    -Winline \
    -Wchar-subscripts -Wmissing-declarations -Wmissing-prototypes \
    -Wnested-externs -Wpointer-arith \
    -Wcast-align -Wsign-compare \
    $CFLAGS"
    CXXFLAGS="-Wall $CXXFLAGS"
else
    AC_MSG_RESULT(no)
fi

dnl CXXFLAGS="-fvisibility=hidden -fvisibility-inlines-hidden $CXXFLAGS"
dnl CXXFLAGS="-fvisibility-inlines-hidden $CXXFLAGS"

GLIB_GSETTINGS

# i18n stuff
AM_GNU_GETTEXT_VERSION([0.19.8])
AM_GNU_GETTEXT([external])

GETTEXT_PACKAGE=gnome-system-monitor
AC_SUBST(GETTEXT_PACKAGE)
AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE,"$GETTEXT_PACKAGE",
                   [The gettext catalog name])

# Documentation
YELP_HELP_INIT

AC_CONFIG_FILES([
Makefile
scripts/Makefile
src/Makefile
src/legacy/Makefile
src/org.gnome.gnome-system-monitor.gschema.xml
po/Makefile.in
help/Makefile
gnome-system-monitor.desktop.in
gnome-system-monitor-kde.desktop.in
])

AC_OUTPUT

echo "

Configuration:

        Source code location:   ${srcdir}
        C Compiler:             ${CC}
        C++ Compiler:           ${CXX}
        CFLAGS:                 ${CFLAGS}
        CXXFLAGS:               ${CXXFLAGS}
        Maintainer mode:        ${USE_MAINTAINER_MODE}
        systemd support:        ${have_systemd}
        wnck support:           ${enable_wnck} (this will likely make system-monitor segfault)
"