X-Git-Url: https://git.draconx.ca/gitweb/liblbx.git/blobdiff_plain/5fb804f880836324897bc519615625410720d886..cdfd126039d367b116f0e462b3583e30a7db5cd9:/configure.ac

diff --git a/configure.ac b/configure.ac
index c03b931..f772576 100644
--- a/configure.ac
+++ b/configure.ac
@@ -17,12 +17,23 @@ AC_PROG_CC_C99
 gl_EARLY
 
 AC_HEADER_ASSERT
-
 LT_INIT
-
 gl_INIT
-
-CHECK_LIBPNG([1.2], [have_libpng=yes], [have_libpng=no])
+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.