lbximg: Add support for Netpbm output.

[liblbx.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 9d6b209ac7fd054f5cfced57b8f92ac1ebd8f304..9ba3d42a008c495b04bbb9ea7667b609a0fb3aeb 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,35 +1,62 @@
+dnl Copyright (C) 2009 Nick Bowler
+dnl Copying and distribution of this file, with or without modification,
+dnl are permitted in any medium without royalty provided the copyright
+dnl notice and this notice are preserved.  This file is offered as-is,
+dnl without any warranty.
+
 AC_PREREQ([2.62])
 AC_INIT([liblbx], [0.1], [toom-devel@lists.sourceforge.net])
 AC_CONFIG_SRCDIR([src/lbx.c])
 AC_CONFIG_HEADER([config.h])
 AC_CONFIG_MACRO_DIR([m4])
 
-AM_INIT_AUTOMAKE([-Wall -Werror foreign])
+AM_INIT_AUTOMAKE([-Wall -Wno-portability foreign subdir-objects])
+AM_SILENT_RULES([yes])
 
 AC_PROG_CC_C99
+AM_PROG_CC_C_O
+gl_EARLY
+
 AC_HEADER_ASSERT
-AC_C_BIGENDIAN
+LT_INIT
+gl_INIT
 
-# pkg-config
-PKG_INIT
-if test x"$PKG_CONFIG" = x""; then
-       AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
-fi
+m4_include([lib/gnulib.mk])
 
-LT_INIT
+PKG_PROG_PKG_CONFIG
 
-# libpng
-PKG_CHECK(libpng, yes, [PNG], [libpng-config], [png.h], png,
-          png_create_write_struct, libpng, [http://www.libpng.org/])
-AC_SUBST(PNG_CFLAGS)
-AC_SUBST(PNG_LIBS)
+AC_ARG_ENABLE([lbximg],
+       [AS_HELP_STRING([--enable-lbximg],
+               [build the lbximg tool (requires libpng) [default=auto]])],
+       [enable_lbximg=$enableval],
+       [enable_lbximg=auto])
 
+have_libpng=no
+if test x"$enable_lbximg" = x"auto"; then
+DX_CHECK_LIBPNG([1.5], [have_libpng=yes], [have_libpng=no])
+fi
+if test x"$enable_lbximg" = x"yes"; then
+DX_CHECK_LIBPNG([1.5], [have_libpng=yes])
+fi
 AM_CONDITIONAL([BUILD_LBXIMG], [test x"$have_libpng" = x"yes"])
 
+AC_ARG_ENABLE([lbxgui],
+       [AS_HELP_STRING([--enable-lbxgui],
+               [build the lbxgui tool (requires GTK+) [default=auto]])],
+       [enable_lbxgui=$enableval],
+       [enable_lbxgui=auto])
+
+have_gtk=no
+if test x"$enable_lbxgui" = x"auto"; then
+DX_CHECK_GTK2([2.16], [have_gtk=yes], [have_gtk=no])
+fi
+if test x"$enable_lbxgui" = x"yes"; then
+DX_CHECK_GTK2([2.16], [have_gtk=yes])
+fi
+AM_CONDITIONAL([BUILD_LBXGUI], [test x"$have_gtk" = x"yes"])
+
 AC_CONFIG_FILES([
        Makefile
-       src/Makefile
-       doc/man/Makefile
 ])
 
 AC_OUTPUT