#1902 added workaround for CMake 2.8.2 bug

13 years ago · 31723effe7
parent 57e26bde9f
commit 31723effe7
1 changed files with 5 additions and 1 deletions
--- a/cmake/OpenCVIOLibs.cmake
+++ b/cmake/OpenCVIOLibs.cmake
@ -9,7 +9,11 @@ if(BUILD_ZLIB)
  unset_all(ZLIB_FOUND)
 else()
  include(FindZLIB)
-  if(ZLIB_FOUND AND NOT ZLIB_VERSION_STRING)
+  if(ZLIB_FOUND)
+    if(ZLIB_VERSION_STRING)
+      #cmake 2.8.2 bug - it fails to determine zlib version
+      unset(ZLIB_VERSION_STRING CACHE)
+    endif()
    ocv_parse_header2(ZLIB "${ZLIB_INCLUDE_DIR}/zlib.h" ZLIB_VERSION "")
  endif()
  if(ZLIB_FOUND AND ANDROID)