--- a/configure.ac +++ b/configure.ac @@ -159,8 +159,16 @@ have_jpeg=${ac_cv_lib_jpeg_jpeg_CreateCompress:-no} # Check for libjasper. -AC_CHECK_LIB(jasper, jas_image_decode) -have_jasper=${ac_cv_lib_jasper_jas_image_decode:-no} +AC_ARG_ENABLE([jasper], + AS_HELP_STRING([--enable-jasper], [enable JPEG2000 support])) + +have_jasper=no +AS_IF([test "x$enable_jasper" = "xyes"], [ + AC_SEARCH_LIBS([jas_image_decode], [jasper], [have_jasper=yes], [ + AC_MSG_ERROR([unable to find the jas_image_decode() function]) + ]) +]) + # Check for tiff headers and library. PKG_CHECK_MODULES(LIBTIFF, libtiff-4,