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Fix build with CMake < 3.8 by replacing source_group() with stub

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dhewm3 uses source_group(TREE ...) which is only supported in
CMake 3.8 and newer.
As it's only cosmetical (so files show up in correct path in IDEs like
Visual Studio), I just replace the source_group() function with a dummy
for affected CMake versions. At least people can still compile then..

fixes #232
This commit is contained in:
Daniel Gibson 2019-04-08 00:59:31 +02:00
parent 3a763fc685
commit e33921a28a
1 changed files with 11 additions and 0 deletions
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11
neo/CMakeLists.txt
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@ -102,6 +102,17 @@ if(DHEWM3LIBS)
set(ENV{SDL2DIR} ${DHEWM3LIBS})
endif()
if(CMAKE_MAJOR_VERSION LESS 3 OR ( CMAKE_MAJOR_VERSION EQUAL 3 AND CMAKE_MINOR_VERSION LESS 8 ))
# cmake < 3.8 doesn't support source_group(TREE ...) so replace it with a dummy
# (it's only cosmetical anyway, to make source files show up properly in Visual Studio)
function(source_group)
endfunction()
message(STATUS "Using CMake < 3.8, doesn't support source_group(TREE ...), replacing it with a dummy")
message(STATUS " (this is only relevants for IDEs, doesn't matter for just compiling dhewm3)")
#else()
# message(STATUS "Using CMake >= 3.8, supports source_group(TREE ...)")
endif()
# libs
find_package(ZLIB REQUIRED)
include_directories(${ZLIB_INCLUDE_DIRS})