configure.ac

   1 dnl Configure script for the Unix GTK build of puzzles.
   2
   3 AC_INIT([puzzles], [20170606.272beef], [anakin@pobox.com])
   4 AC_CONFIG_SRCDIR([midend.c])
   5 AM_INIT_AUTOMAKE([foreign])
   6 AC_PROG_CC
   7
   8 AC_ARG_WITH([gtk],
   9   [AS_HELP_STRING([--with-gtk=VER],
  10                   [specify GTK version to use (`2' or `3')])],
  11   [gtk_version_desired="$withval"],
  12   [gtk_version_desired="any"])
  13
  14 case "$gtk_version_desired" in
  15   2 | 3 | any) ;;
  16   yes) gtk_version_desired="any" ;;
  17   *) AC_ERROR([Invalid GTK version specified])
  18 esac
  19
  20 gtk=none
  21
  22 case "$gtk_version_desired:$gtk" in
  23   3:none | any:none)
  24     ifdef([AM_PATH_GTK_3_0],[
  25     AM_PATH_GTK_3_0([3.0.0], [gtk=3], [])
  26     ],[AC_WARNING([generating configure script without GTK 3 autodetection])])
  27     ;;
  28 esac
  29
  30 case "$gtk_version_desired:$gtk" in
  31   2:none | any:none)
  32     ifdef([AM_PATH_GTK_2_0],[
  33     AM_PATH_GTK_2_0([2.0.0], [gtk=2], [])
  34     ],[AC_WARNING([generating configure script without GTK 2 autodetection])])
  35     ;;
  36 esac
  37
  38 if test "$gtk" = "none"; then
  39    AC_MSG_ERROR([cannot build without GTK 2 or GTK 3])
  40 fi
  41
  42 if test "x$GCC" = "xyes"; then
  43   AC_MSG_CHECKING([for usable gcc warning flags])
  44   gccwarningflags=
  45   for flag in -Wall -Werror -std=c89 -pedantic; do
  46     ac_save_CFLAGS="$CFLAGS"
  47     ac_save_LIBS="$LIBS"
  48     CFLAGS="$CFLAGS$gccwarningflags $flag $GTK_CFLAGS"
  49     LIBS="$GTK_LIBS $LIBS"
  50     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
  51         #include <stdio.h>
  52         #include <assert.h>
  53         #include <stdlib.h>
  54         #include <time.h>
  55         #include <stdarg.h>
  56         #include <string.h>
  57         #include <errno.h>
  58         #include <math.h>
  59
  60         #include <sys/time.h>
  61         #include <sys/resource.h>
  62
  63         #include <gtk/gtk.h>
  64         #include <gdk/gdkkeysyms.h>
  65
  66         #include <gdk-pixbuf/gdk-pixbuf.h>
  67
  68         #include <gdk/gdkx.h>
  69         #include <X11/Xlib.h>
  70         #include <X11/Xutil.h>
  71         #include <X11/Xatom.h>
  72     ],[
  73         return 0;
  74     ])], [gccwarningflags="$gccwarningflags $flag"], [])
  75     CFLAGS="$ac_save_CFLAGS"
  76     LIBS="$ac_save_LIBS"
  77   done
  78   AC_MSG_RESULT($gccwarningflags)
  79   CFLAGS="$CFLAGS$gccwarningflags"
  80 fi
  81
  82 AC_PROG_RANLIB
  83 AC_PROG_INSTALL
  84 AC_CONFIG_FILES([Makefile])
  85 AC_OUTPUT