Abdelrahman Said
35 lines
1.5 KiB
CMake
35 lines
1.5 KiB
CMake
# Original source of this script:
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# https://raw.githubusercontent.com/InsightSoftwareConsortium/ITK/master/CMake/PreventInSourceBuilds.cmake
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#
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# Thanks to the ITK project!
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#
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# This function will prevent in-source builds
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function(AssureOutOfSourceBuilds)
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# make sure the user doesn't play dirty with symlinks
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get_filename_component(srcdir "${CMAKE_SOURCE_DIR}" REALPATH)
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get_filename_component(bindir "${CMAKE_BINARY_DIR}" REALPATH)
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# disallow in-source builds
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if("${srcdir}" STREQUAL "${bindir}")
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message("##########################################################################")
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message("# igraph should not be configured & built in the igraph source directory")
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message("# You must run cmake in a build directory.")
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message("#")
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message("# Example:")
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message("# mkdir build; cd build; cmake ..; make")
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message("#")
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message("# NOTE: Given that you already tried to make an in-source build")
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message("# CMake have already created several files & directories")
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message("# in your source tree. If you are using git, run 'git clean -dfx'")
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message("# to start from scratch. If you don't have git, remove")
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message("# CMakeCache.txt and the CMakeFiles/ folder from the top of")
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message("# the source tree.")
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message("#")
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message("##########################################################################")
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message("")
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message(FATAL_ERROR "Quitting configuration")
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endif()
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endfunction()
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AssureOutOfSourceBuilds()
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