X-Git-Url: https://git.draconx.ca/gitweb/liblbx.git/blobdiff_plain/cdfd126039d367b116f0e462b3583e30a7db5cd9..HEAD:/configure.ac

diff --git a/configure.ac b/configure.ac
index f772576..98cc477 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,50 +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])
-m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+AM_INIT_AUTOMAKE([-Wall -Wno-portability foreign subdir-objects])
+AM_SILENT_RULES([yes])
+DX_AUTOMAKE_COMPAT
 
 AC_PROG_CC_C99
+AM_PROG_CC_C_O
 gl_EARLY
 
 AC_HEADER_ASSERT
 LT_INIT
 gl_INIT
-PKG_PROG_PKG_CONFIG
-
-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([1.2], [have_libpng=yes], [have_libpng=no])
-fi
-if test x"$enable_lbximg" = x"yes"; then
-DX_CHECK_LIBPNG([1.2], [have_libpng=yes])
-fi
-AM_CONDITIONAL([BUILD_LBXIMG], [test x"$have_libpng" = x"yes"])
-
-# A horrible combination of bugs makes this necessary for GTK+ detection.
-unset POSIXLY_CORRECT
-
-AM_PATH_GTK_2_0([2.16.0], [have_gtk=yes], [have_gtk=no])
-AM_CONDITIONAL([BUILD_LBXGUI], [test x"$have_gtk" = x"yes"])
-
-AC_CONFIG_FILES([
-	Makefile
-	lib/Makefile
-])
 
+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], [$have_gtk])
+
+# Check for utilities used by the test suite.
+DX_PROG_MD5
+
+AC_CHECK_PROGS([PAMARITH], [pamarith], [false])
+AC_CHECK_PROGS([PAMCHANNEL], [pamchannel], [false])
+AC_SUBST([PAMCHANNEL])
+AC_SUBST([PAMARITH])
+
+AC_CONFIG_TESTDIR([.])
+DX_PROG_AUTOTEST
+AM_CONDITIONAL([HAVE_AUTOTEST], [test x"$dx_cv_autotest_works" = x"yes"])
+
+AC_CONFIG_FILES([Makefile])
 AC_OUTPUT