1 dnl Copyright © 2010, 2014 Nick Bowler
3 dnl License WTFPL2: Do What The Fuck You Want To Public License, version 2.
4 dnl This is free software: you are free to do what the fuck you want to.
5 dnl There is NO WARRANTY, to the extent permitted by law.
7 dnl DX_LIB_GTK2([min-version], [action-if-ok], [action-if-failed])
9 dnl Search for a working GTK+-2 installation. If such a library is found,
10 dnl appropriate compiler and linker flags are stored in GTK_CFLAGS and
11 dnl GTK_LIBS, respectively, and the action-if-ok is performed (may be empty).
12 dnl If no suitable library is found, then action-if-failed is performed if
13 dnl non-empty, oherwise configure will stop with a fatal error.
14 AC_DEFUN([DX_LIB_GTK2], [dnl
15 DX_LIB_SETUP([gtk], [GTK+])dnl
16 DX_LIB_PKGCONFIG_FLAGS([gtk], [gtk+-2.0])
17 AC_MSG_CHECKING([for GTK+ at least version m4_default([$1], [2.0])])
18 DX_LIB_SEARCH_LINK([gtk],
19 [m4_apply([_DX_LIB_GTK2_TEST], m4_split([$1], [\.]))],
21 [[$GTK_CFLAGS], [$GTK_LIBS]],
22 [[$dx_cv_gtk_pkg_cflags], [$dx_cv_gtk_pkg_libs],
23 [test x"$dx_cv_gtk_pkg_found" = x"yes"]],
25 AS_IF([test x"$dx_cv_gtk_lib_found" = x"yes"], [$2],
26 [m4_default([$3], [AC_MSG_FAILURE([dnl
27 GTK+ version m4_default([$1], [2.0]) or newer is required. The latest
28 version may be found at <ftp://ftk.gtk.org/>.
29 m4_newline([DX_LIB_USERFLAG_BLURB([gtk], [GTK+])])
30 m4_newline([DX_LIB_PKGCONFIG_BLURB([gtk], [GTK+])])
33 dnl Internal test program for GTK+. Check that the version numbers in the
34 dnl header are sufficient and that some important functions are defined.
35 m4_define([_DX_LIB_GTK2_TEST], [AC_LANG_PROGRAM([dnl
37 @%:@if !GTK_CHECK_VERSION(m4_do(
38 [m4_default([$1], [2]), ],
39 [m4_default([$2], [0]), ],
40 [m4_default([$3], [0]))])
41 DX_LIB_COMPILE_ERROR([insufficient GTK version])
47 gtk_init(&argc, &argv);