build: fix PCH stub files generation optimization

8 years ago · 0e1d65d3b1
parent 125abe2fe4
commit 0e1d65d3b1
1 changed files with 2 additions and 2 deletions
--- a/cmake/OpenCVPCHSupport.cmake
+++ b/cmake/OpenCVPCHSupport.cmake
@ -97,8 +97,8 @@ MACRO(_PCH_WRITE_PCHDEP_CXX _targetName _include_file _dephelp)

    set(${_dephelp} "${CMAKE_CURRENT_BINARY_DIR}/${_targetName}_pch_dephelp.cxx")
    set(_content "")
-    if(EXISTS "${_dephelp}")
-      file(READ "${_dephelp}" _content)
+    if(EXISTS "${${_dephelp}}")
+      file(READ "${${_dephelp}}" _content)
    endif()
    set(_dummy_str
 "#include \"${_include_file}\"