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0029980: Configuration, CMake - impossible to override CMAKE_CXX_USE_RESPONSE_FILE_FOR_OBJECTS

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Variables are not assigning only if have not been previously defined.
This commit is contained in:
kgv 2018-07-23 19:13:29 +03:00 committed by bugmaster
parent 8f521168b4
commit 27a4b067ff
1 changed files with 7 additions and 2 deletions
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9
adm/cmake/occt_defs_flags.cmake
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@ -86,8 +86,13 @@ if (MSVC AND (MSVC_VERSION GREATER 1400))
endif()
# generate a single response file which enlist all of the object files
SET(CMAKE_C_USE_RESPONSE_FILE_FOR_OBJECTS 1)
SET(CMAKE_CXX_USE_RESPONSE_FILE_FOR_OBJECTS 1)
if (NOT DEFINED CMAKE_C_USE_RESPONSE_FILE_FOR_OBJECTS)
SET(CMAKE_C_USE_RESPONSE_FILE_FOR_OBJECTS 1)
endif()
if (NOT DEFINED CMAKE_CXX_USE_RESPONSE_FILE_FOR_OBJECTS)
SET(CMAKE_CXX_USE_RESPONSE_FILE_FOR_OBJECTS 1)
endif()
# increase compiler warnings level (-W4 for MSVC, -Wextra for GCC)
if (MSVC)
if (CMAKE_CXX_FLAGS MATCHES "/W[0-4]")