[CMake] install(DIRECTORY . DESTINATION include/proj FILES_MATCHINGPATTERN "*.h")

[David Cole]

You are touching an existing header file...

What happens if you add a new header file that was not there the first time
you ran make install?


On Wed, Oct 28, 2009 at 2:26 PM, Tyler Roscoe <tyler at cryptio.net> wrote:

> On Wed, Oct 28, 2009 at 01:18:55PM -0400, David Cole wrote:
> > Except: that argument is not valid in this case. Neither file(GLOB nor
> > install(DIRECTORY will "rerun" anything if a new header file is added
> into
> > the directory...
>
> David I don't think this is correct.
>
> Here's a test using file(GLOB) + install(FILES):
>
>    [tylermr at alta:~/install-dir-vs-file-glob-test/b]$ cat ../CMakeLists.txt
>    cmake_minimum_required(VERSION 2.6)
>    project (test)
>
>    set (CMAKE_INSTALL_PREFIX "/tmp/install.test.tmr")
>
>    file (GLOB header_files "include/*.h")
>    install (FILES ${header_files} DESTINATION include)
>
>    [tylermr at alta:~/install-dir-vs-file-glob-test/b]$ cmake ..
>    -- Configuring done
>    -- Generating done
>    -- Build files have been written to:
>    /alta/tylermr/install-dir-vs-file-glob-test/b
>
>    [tylermr at alta:~/install-dir-vs-file-glob-test/b]$ make install
>    Install the project...
>    -- Install configuration: ""
>    -- Installing: /tmp/install.test.tmr/include/foo.h
>
>    [tylermr at alta:~/install-dir-vs-file-glob-test/b]$ touch
> ../include/bar.h
>
>    [tylermr at alta:~/install-dir-vs-file-glob-test/b]$ make install
>    Install the project...
>    -- Install configuration: ""
>    -- Up-to-date: /tmp/install.test.tmr/include/foo.h
>
>
> Note that CMake does not notice the addition of bar.h.
>
>
> Here's a test using install(DIRECTORY):
>
>    [tylermr at alta:~/install-dir-vs-file-glob-test/b]$ cat ../CMakeLists.txt
>    cmake_minimum_required(VERSION 2.6)
>    project (test)
>
>    set (CMAKE_INSTALL_PREFIX "/tmp/install.test.tmr")
>
>    install (DIRECTORY include DESTINATION include)
>
>    [tylermr at alta:~/install-dir-vs-file-glob-test/b]$ make install
>    Install the project...
>    -- Install configuration: ""
>    -- Installing: /tmp/install.test.tmr/include/include
>    -- Installing: /tmp/install.test.tmr/include/include/foo.h
>
>    [tylermr at alta:~/install-dir-vs-file-glob-test/b]$ touch
> ../include/bar.h
>
>    [tylermr at alta:~/install-dir-vs-file-glob-test/b]$ make install
>    Install the project...
>    -- Install configuration: ""
>    -- Installing: /tmp/install.test.tmr/include/include
>    -- Up-to-date: /tmp/install.test.tmr/include/include/foo.h
>    -- Installing: /tmp/install.test.tmr/include/include/bar.h
>
>
> Note that bar.h is noticed and installed.
>
>
> tyler
>
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