fc43fdd427
And fix the unit test for INCLUDE. This should make the test pass on case insensitive file systems like the one of MacOS X. (Who uses that anyway? ;))
30 lines
999 B
CMake
30 lines
999 B
CMake
#
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# Module to check whether the file system is case sensitive or not
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#
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# Sets the following variable:
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#
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# HAVE_CASE_SENSITIVE_FILESYSTEM True if the file system honors the case of files
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message(STATUS "Checking whether the file system is case-sensitive")
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# create a file containing uppercase characters
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file(WRITE "${CMAKE_BINARY_DIR}/UPPER" "Foo")
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# check if the all-lowercase file with the same name can be opened
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set(FooContents "")
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if (EXISTS "${CMAKE_BINARY_DIR}/upper")
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file(READ "${CMAKE_BINARY_DIR}/upper" FooContents)
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endif()
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# remove the file again in order not to have it dangling around...
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file(REMOVE "${CMAKE_BINARY_DIR}/UPPER")
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# check the contents of the file opened with lower-case. If it is
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# empty, the file system is case sensitive.
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if ("${FooContents}" STREQUAL "Foo")
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message(STATUS "File system is not case-sensitive")
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set(HAVE_CASE_SENSITIVE_FILESYSTEM 0)
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else()
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message(STATUS "File system is case-sensitive")
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set(HAVE_CASE_SENSITIVE_FILESYSTEM 1)
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endif()
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