[Poppler-bugs] [Bug 103593] New: [PATCH] CMake: make FindLCMS.cmake cross-aware

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103593

            Bug ID: 103593
           Summary: [PATCH] CMake: make FindLCMS.cmake cross-aware
           Product: poppler
           Version: unspecified
          Hardware: Other
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: general
          Assignee: poppler-bugs at lists.freedesktop.org
          Reporter: r.hieber at pengutronix.de

Created attachment 135262
  --> https://bugs.freedesktop.org/attachment.cgi?id=135262&action=edit
CMake: make FindLCMS.cmake cross-compatible

Hi,

FindLCMS.make currently complains when being run in cross-compile mode:

  -- Checking for module 'lcms'
  --   Found lcms, version 1.19
  CMake Error: TRY_RUN() invoked in cross-compiling mode, please set the
  following cache variables appropriately:
     LCMS_VERSION (advanced)
     LCMS_VERSION__TRYRUN_OUTPUT (advanced)
  For details see [...]/poppler-0.60.1-build/TryRunResults.cmake
  -- Found lcms version P.LE, [...]/sysroot-target/usr/lib/liblcms.so

I don't know why it complains if it obviously detected the correct version :),
but here is a patch that replaces `try_run(..)` with the version parsing regex
from FindLCMS2.make which only needs to read the header file.

(Yes, I'm still building with the old lcms1... some embedded systems seem to
run forever.)

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