Initial implementation of the lbximg tool.

[liblbx.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index b3bd60caffb67aa956562f30f00819a686c3f92b..48c392c08f517130c255b7852e95fe8af43a8b24 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -5,11 +5,30 @@ AC_CONFIG_HEADER([config.h])
 
 AM_INIT_AUTOMAKE([-Wall -Werror foreign])
 
-AC_PROG_CC
+AC_PROG_CC_C99
+AC_HEADER_ASSERT
 AC_C_BIGENDIAN
 
+# pkg-config
+PKG_INIT
+if test x"$PKG_CONFIG" = x""; then
+       AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
+fi
+
+dnl Dirty hack to disable useless C++/Fortran checks
+AC_DEFUN([AC_LIBTOOL_LANG_CXX_CONFIG], [:])
+AC_DEFUN([AC_LIBTOOL_LANG_F77_CONFIG], [:])
+
 AC_PROG_LIBTOOL
 
+# 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)
+
+AM_CONDITIONAL([BUILD_LBXIMG], [test x"$have_libpng" = x"yes"])
+
 AC_CONFIG_FILES([
        Makefile
        src/Makefile