build: Import the libpng check from marksim.

[liblbx.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 8458e71ee5a900dfb3054ca8fc05406d4c4ad7bc..bbc14fbcd2f1b3957c0bccd41543f539add91160 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,8 @@
-AC_PREREQ(2.60)
+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])
 
@@ -9,15 +10,15 @@ AC_PROG_CC_C99
 AC_HEADER_ASSERT
 AC_C_BIGENDIAN
 
-dnl Dirty hack to disable useless C++/Fortran checks
-AC_DEFUN([AC_LIBTOOL_LANG_CXX_CONFIG], [:])
-AC_DEFUN([AC_LIBTOOL_LANG_F77_CONFIG], [:])
+LT_INIT
 
-AC_PROG_LIBTOOL
+CHECK_LIBPNG([1.2], [have_libpng=yes], [have_libpng=no])
+AM_CONDITIONAL([BUILD_LBXIMG], [test x"$have_libpng" = x"yes"])
 
 AC_CONFIG_FILES([
        Makefile
        src/Makefile
+       doc/man/Makefile
 ])
 
 AC_OUTPUT