generic-library/opencv
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Made it so that a dummy .cpp is actually created when compiling with VC++.

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This commit is contained in:
Roman Donchenko
2013-08-08 16:23:20 +04:00
parent d9f71b762f
commit 6d7f29a03a
2 changed files with 18 additions and 13 deletions
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13
cmake/OpenCVPCHSupport.cmake
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@@ -272,12 +272,9 @@ ENDMACRO(ADD_PRECOMPILED_HEADER)
MACRO(GET_NATIVE_PRECOMPILED_HEADER _targetName _input)
if(CMAKE_GENERATOR MATCHES "^Visual.*$")
SET(_dummy_str "#include \"${_input}\"\n"
"// This is required to suppress LNK4221. Very annoying.\n"
"void *g_${_targetName}Dummy = 0\;\n")
set(_dummy_str "#include \"${_input}\"\n")
# Use of cxx extension for generated files (as Qt does)
SET(${_targetName}_pch ${CMAKE_CURRENT_BINARY_DIR}/${_targetName}_pch.cxx)
set(${_targetName}_pch ${CMAKE_CURRENT_BINARY_DIR}/${_targetName}_pch.cpp)
if(EXISTS ${${_targetName}_pch})
# Check if contents is the same, if not rewrite
# todo
@@ -337,11 +334,7 @@ ENDMACRO(ADD_NATIVE_PRECOMPILED_HEADER)
macro(ocv_add_precompiled_header_to_target the_target pch_header)
if(PCHSupport_FOUND AND ENABLE_PRECOMPILED_HEADERS AND EXISTS "${pch_header}")
if(CMAKE_GENERATOR MATCHES Visual)
string(REGEX REPLACE "hpp$" "cpp" ${the_target}_pch "${pch_header}")
add_native_precompiled_header(${the_target} ${pch_header})
unset(${the_target}_pch)
elseif(CMAKE_GENERATOR MATCHES Xcode)
if(CMAKE_GENERATOR MATCHES "^Visual" OR CMAKE_GENERATOR MATCHES Xcode)
add_native_precompiled_header(${the_target} ${pch_header})
elseif(CMAKE_COMPILER_IS_GNUCXX AND CMAKE_GENERATOR MATCHES "Makefiles|Ninja")
add_precompiled_header(${the_target} ${pch_header})