1--- CMakeLists.txt.orig	2018-10-19 16:12:20 UTC
2+++ CMakeLists.txt
3@@ -97,14 +97,27 @@ endif()
4 #
5 ##################################################
6
7+# FreeBSD ports: add toggles for options
8+option( WITH_PNG "Enable PNG support" ON )
9+option( WITH_JPEG "Enable JPEG support" ON )
10+option( WITH_TIFF "Enable TIFF support" ON )
11+option( WITH_FFTW "Enable FFTW support" ON )
12+
13 INCLUDE(VigraFindPackage)
14 VIGRA_FIND_PACKAGE(ZLIB)
15+if (WITH_TIFF)
16 VIGRA_FIND_PACKAGE(TIFF NAMES libtiff_i libtiff) # prefer DLL on Windows
17+endif ()
18+if (WITH_JPEG)
19 VIGRA_FIND_PACKAGE(JPEG NAMES libjpeg)
20+endif ()
21+if (WITH_PNG)
22 VIGRA_FIND_PACKAGE(PNG)
23+endif ()
24+if (WITH_FFTW)
25 VIGRA_FIND_PACKAGE(FFTW3 NAMES libfftw3-3 libfftw-3.3)
26 VIGRA_FIND_PACKAGE(FFTW3F NAMES libfftw3f-3 libfftwf-3.3)
27-
28+endif ()
29
30 IF(WITH_OPENEXR)
31     VIGRA_FIND_PACKAGE(OpenEXR)
32