[Bug 51951] New: configure says that libsane development files are not found even though they are present

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=51951

Bug ID: 51951
           Summary: configure says that libsane development files are not
                    found even though they are present
           Product: Wine
           Version: 6.20
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: build-env
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Created attachment 70930
  --> https://bugs.winehq.org/attachment.cgi?id=70930
Config log at cf5bad0ecc8976c66ecf73d987b870d917e625ba

Commit cf5bad0ecc8976c66ecf73d987b870d917e625ba added the following warning to
the configure process.

configure: libsane 64-bit development files not found, scanners won't be
supported.

This warning wasn't shown before this commit. My system is Ubuntu 20.04.

dpkg -l | grep libsane-dev shows

ii  libsane-dev:amd64                          1.0.29-0ubuntu5.2               
     amd64        API development library for scanners [development files]
ii  libsane-dev:i386                           1.0.29-0ubuntu5.2               
     i386         API development library for scanners [development files]

A gziped config.log for running configure at
cf5bad0ecc8976c66ecf73d987b870d917e625ba is attached.