Trivial manual fixes.

[liblbx.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index d3d35c5b6e1c1f37855b6c858456f83039f31848..98cc477b38c3d0746ce46e2ef9c3074a131653d6 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,28 +1,70 @@
-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])
+dnl Copyright © 2009, 2013-2014, 2021, 2023 Nick Bowler
+dnl
+dnl License WTFPL2: Do What The Fuck You Want To Public License, version 2.
+dnl This is free software: you are free to do what the fuck you want to.
+dnl There is NO WARRANTY, to the extent permitted by law.
+
+DX_PATCH_GNULIB
+
+AC_PREREQ([2.68])
+AC_INIT([liblbx], [0.1], [nbowler@draconx.ca])
 AC_CONFIG_SRCDIR([src/lbx.c])
-AC_CONFIG_HEADER([config.h])
-AC_CONFIG_MACRO_DIR([m4])
+AC_CONFIG_HEADERS([config.h])
 
-AM_INIT_AUTOMAKE([-Wall -Werror foreign subdir-objects])
+AM_INIT_AUTOMAKE([-Wall -Wno-portability foreign subdir-objects])
+AM_SILENT_RULES([yes])
+DX_AUTOMAKE_COMPAT
 
 AC_PROG_CC_C99
-AC_HEADER_ASSERT
-AC_C_BIGENDIAN
+AM_PROG_CC_C_O
+gl_EARLY
 
+AC_HEADER_ASSERT
 LT_INIT
+gl_INIT
+
+AC_C_FLEXIBLE_ARRAY_MEMBER
+
+m4_include([lib/gnulib.mk])
+
+AC_ARG_WITH([libpng],
+  [AS_HELP_STRING([--with-libpng],
+    [build support for PNG output using libpng. [default=auto]])],
+  [with_libpng=$withval], [with_libpng=auto])
+
+AS_CASE([$with_libpng],
+  [no], [have_libpng=false],
+  [yes], [DX_LIB_LIBPNG([1.5], [have_libpng=true])],
+  [DX_LIB_LIBPNG([1.5], [have_libpng=true], [have_libpng=false])])
+
+AM_CONDITIONAL([HAVE_LIBPNG], [$have_libpng])
+AS_IF([$have_libpng], [AC_DEFINE([HAVE_LIBPNG], [1],
+  [Define to 1 if libpng support is available])])
+
+AC_ARG_ENABLE([lbxgui],
+  [AS_HELP_STRING([--enable-lbxgui],
+    [build the lbxgui tool (requires GTK+) [default=auto]])],
+  [enable_lbxgui=$enableval],
+  [enable_lbxgui=auto])
+
+AS_CASE([$enable_lbxgui],
+  [no], [have_gtk=false],
+  [yes], [DX_LIB_GTK2([2.16], [have_gtk=true])],
+  [DX_LIB_GTK2([2.16], [have_gtk=true], [have_gtk=false])])
+
+AM_CONDITIONAL([BUILD_LBXGUI], [$have_gtk])
+
+# Check for utilities used by the test suite.
+DX_PROG_MD5
 
-CHECK_LIBPNG([1.2], [have_libpng=yes], [have_libpng=no])
-AM_CONDITIONAL([BUILD_LBXIMG], [test x"$have_libpng" = x"yes"])
+AC_CHECK_PROGS([PAMARITH], [pamarith], [false])
+AC_CHECK_PROGS([PAMCHANNEL], [pamchannel], [false])
+AC_SUBST([PAMCHANNEL])
+AC_SUBST([PAMARITH])
 
-AC_CONFIG_FILES([
-       Makefile
-])
+AC_CONFIG_TESTDIR([.])
+DX_PROG_AUTOTEST
+AM_CONDITIONAL([HAVE_AUTOTEST], [test x"$dx_cv_autotest_works" = x"yes"])
 
+AC_CONFIG_FILES([Makefile])
 AC_OUTPUT