$OpenBSD: patch-CMakeLists_txt,v 1.2 2017/12/26 06:13:38 jca Exp $
Index: CMakeLists.txt
--- CMakeLists.txt.orig
+++ CMakeLists.txt
@@ -122,7 +122,7 @@ SET(LIBSIFT_SOURCES LoweDetector.c RANSAC.c GaussianCo
 ADD_LIBRARY(libsift STATIC ${LIBSIFT_SOURCES})
 
 set(all_libs libsift ${JPEG_LIBRARIES} ${TIFF_LIBRARIES}
-    ${PNG_LIBRARIES} ${ZLIB_LIBRARIES} ${PANO13_LIBRARIES} ${LIBXML2_LIBRARIES}) 
+    ${PNG_LIBRARIES} ${ZLIB_LIBRARIES} ${PANO13_LIBRARIES} ${LIBXML2_LIBRARIES} -lm)
 
 add_executable(generatekeys GenerateKeys.c)
 TARGET_LINK_LIBRARIES(generatekeys ${all_libs})
@@ -155,8 +155,8 @@ endif (WIN32)
 # documentation
 FILE(GLOB MAN_PAGES_1 doc/*.1)
 FILE(GLOB MAN_PAGES_7 doc/*.7)
-install(FILES ${MAN_PAGES_1} DESTINATION share/man/man1) 
-install(FILES ${MAN_PAGES_7} DESTINATION share/man/man7) 
+install(FILES ${MAN_PAGES_1} DESTINATION man/man1) 
+install(FILES ${MAN_PAGES_7} DESTINATION man/man7) 
 
 ## Test exectuables.
 
