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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18
cmake/OpenCVModule.cmake
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@ -470,8 +470,16 @@ endmacro()
# ocv_create_module(<extra link dependencies>)
# ocv_create_module(SKIP_LINK)
macro(ocv_create_module)
# The condition we ought to be testing here is whether ocv_add_precompiled_headers will
# be called at some point in the future. We can't look into the future, though,
# so this will have to do.
if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/src/precomp.hpp")
get_native_precompiled_header(${the_module} precomp.hpp)
endif()
add_library(${the_module} ${OPENCV_MODULE_TYPE} ${OPENCV_MODULE_${the_module}_HEADERS} ${OPENCV_MODULE_${the_module}_SOURCES}
"${OPENCV_CONFIG_FILE_INCLUDE_DIR}/cvconfig.h" "${OPENCV_CONFIG_FILE_INCLUDE_DIR}/opencv2/opencv_modules.hpp")
"${OPENCV_CONFIG_FILE_INCLUDE_DIR}/cvconfig.h" "${OPENCV_CONFIG_FILE_INCLUDE_DIR}/opencv2/opencv_modules.hpp"
${${the_module}_pch})
if(NOT "${ARGN}" STREQUAL "SKIP_LINK")
target_link_libraries(${the_module} ${OPENCV_MODULE_${the_module}_DEPS} ${OPENCV_MODULE_${the_module}_DEPS_EXT} ${OPENCV_LINKER_LIBS} ${IPP_LIBS} ${ARGN})
@ -637,7 +645,9 @@ function(ocv_add_perf_tests)
set(OPENCV_PERF_${the_module}_SOURCES ${perf_srcs} ${perf_hdrs})
endif()
add_executable(${the_target} ${OPENCV_PERF_${the_module}_SOURCES})
get_native_precompiled_header(${the_target} test_precomp.hpp)
add_executable(${the_target} ${OPENCV_PERF_${the_module}_SOURCES} ${${the_target}_pch})
target_link_libraries(${the_target} ${OPENCV_MODULE_${the_module}_DEPS} ${perf_deps} ${OPENCV_LINKER_LIBS})
add_dependencies(opencv_perf_tests ${the_target})
@ -685,7 +695,9 @@ function(ocv_add_accuracy_tests)
set(OPENCV_TEST_${the_module}_SOURCES ${test_srcs} ${test_hdrs})
endif()
add_executable(${the_target} ${OPENCV_TEST_${the_module}_SOURCES})
get_native_precompiled_header(${the_target} test_precomp.hpp)
add_executable(${the_target} ${OPENCV_TEST_${the_module}_SOURCES} ${${the_target}_pch})
target_link_libraries(${the_target} ${OPENCV_MODULE_${the_module}_DEPS} ${test_deps} ${OPENCV_LINKER_LIBS})
add_dependencies(opencv_tests ${the_target})

13
cmake/OpenCVPCHSupport.cmake
View File

@ -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})