Build fails when using cmake

[wzdev-ci]

resolution_fixed type_patch (an actual patch, not a request for one) | by Marc0

---

Builds fail when cmake copies files from a RCS source directory (here ../warzone2100-github) to a build directory:

    $ cmake ../warzone2100-github
    $ make -j9
    ...
    [ 53%] Generating moc_qtscriptdebug.cpp
    error: No repo or cache detected.
    make[2]: *** [src/autorevision.h] Error 1
    make[2]: *** Deleting file `src/autorevision.h'
    make[2]: *** Waiting for unfinished jobs....
    make[1]: *** [src/CMakeFiles/warzone2100.dir/all] Error 2
    make: *** [all] Error 2

Without changing directory to $CMAKE_SOURCE_DIR the autorevision script is executed within the src directory of the build directory. This fails silently as there is no RCS information available. Both src/autorevision.cache and src/autorevision.h are missing during build.

See this (part of the) diff, warzone2100-build-alt without patch, warzone2100-build-neu contains the patch, /tmp/warzone2100-github is the source directory:

    diff -ruw warzone2100-build-alt/src/CMakeFiles/warzone2100.dir/build.make warzone2100-build-neu/src/CMakeFiles/warzone2100.dir/build.make
    --- warzone2100-build-alt/src/CMakeFiles/warzone2100.dir/build.make     2018-01-14 16:37:34.000000000 +0100
    +++ warzone2100-build-neu/src/CMakeFiles/warzone2100.dir/build.make     2018-01-14 16:37:52.000000000 +0100
    @@ -46,7 +46,7 @@

     ...

     src/autorevision.h:
    -       @$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --blue --bold --progress-dir=/tmp/warzone2100-build-alt/CMakeFiles --progress-num=$(CMAKE_PROGRESS_3) "Generating autorevision.h"
    -       cd /tmp/warzone2100-build-alt/src && /tmp/warzone2100-github/build_tools/autorevision -t h -o /tmp/warzone2100-build-alt/src/autorevision.cache > /tmp/warzone2100-build-alt/src/autorevision.h
    +       @$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --blue --bold --progress-dir=/tmp/warzone2100-build-neu/CMakeFiles --progress-num=$(CMAKE_PROGRESS_3) "Generating autorevision.h"
    +       cd /tmp/warzone2100-github && /tmp/warzone2100-github/build_tools/autorevision -t h -o /tmp/warzone2100-build-neu/src/autorevision.cache > /tmp/warzone2100-build-neu/src/autorevision.h

---

Issue migrated from trac:4706 at 2022-04-16 12:59:53 -0700

[wzdev-ci]

Marc0 uploaded file cmake-autorevision-fix.patch (0.8 KiB)

Patch for src/CMakeLists.txt

[wzdev-ci]

Per changed status from new to closed

[wzdev-ci]

Per changed resolution from `` to fixed

[wzdev-ci]

Per changed blocking which not transferred by tractive

[wzdev-ci]

Per changed blockedby which not transferred by tractive