[Webkit-unassigned] [Bug 275735] New: REGRESSION(280217 at main) CMake build failure after bump to cmake 3.20

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Jun 21 06:59:12 PDT 2024


https://bugs.webkit.org/show_bug.cgi?id=275735

            Bug ID: 275735
           Summary: REGRESSION(280217 at main) CMake build failure after bump
                    to cmake 3.20
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: CMake
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: lmoura at igalia.com

280217 at main added support for C++23 and bumped the minimum required CMake version to 3.20. This might have introduced some side effect, breaking the CMake in some conditions. For example:

cd /app/webkit && /usr/bin/cmake -E env CC=/usr/bin/cc ... /app/webkit/Source/JavaScriptCore/API/glib/JSCWrapperMap.cpp                                                                                      
/usr/lib/gcc/x86_64-unknown-linux-gnu/13.2.0/../../../../x86_64-unknown-linux-gnu/bin/ld: cannot find -lWPEWebKit-2.0: No such file or directory          
collect2: error: ld returned 1 exit status

At first, I thought it could be related to this change from 3.20:

https://cmake.org/cmake/help/latest/release/3.20.html#other-changes

> Ninja generators now transform the DEPFILE generated by an add_custom_command(). See policy CMP0116 for details.

But CMP0116 is already set to NEW in the root CMakeLists.txt (and changing to OLD does not change error).

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