mirror of
https://github.com/open-source-parsers/jsoncpp.git
synced 2024-12-27 11:21:02 +08:00
46 lines
1.9 KiB
CMake
46 lines
1.9 KiB
CMake
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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("# jsoncpp should not be configured & built in the jsoncpp source directory")
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message("# You must run cmake in a build directory.")
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message("# For example:")
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message("# mkdir jsoncpp-Sandbox ; cd jsoncpp-sandbox")
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message("# git clone https://github.com/open-source-parsers/jsoncpp.git # or download & unpack the source tarball")
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message("# mkdir jsoncpp-build")
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message("# this will create the following directory structure")
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message("#")
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message("# jsoncpp-Sandbox")
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message("# +--jsoncpp")
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message("# +--jsoncpp-build")
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message("#")
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message("# Then you can proceed to configure and build")
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message("# by using the following commands")
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message("#")
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message("# cd jsoncpp-build")
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message("# cmake ../jsoncpp # or ccmake, or cmake-gui ")
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message("# 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. run 'git status' to find them and")
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message("# remove them by doing:")
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message("#")
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message("# cd jsoncpp-Sandbox/jsoncpp")
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message("# git clean -n -d")
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message("# git clean -f -d")
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message("# git checkout --")
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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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