gnu: sane-backends-minimal: Respect backend search paths.

SANE's dynamic loading mechanism looks for configs in SANE_CONFIG_DIR,
and the libraries are expected to be either in LD_LIBRARY_PATH or in the
LIBDIR, which is set during the build to $PREFIX/lib/sane. A small patch
is necessary to make SANE respect backend search paths set by Guix.

* gnu/local.mk: Register sane-look-for-plugins-in-SANE_BACKEND_LIB_PATH.patch
* gnu/packages/scanner.scm (sane-backends-minimal): Patch dynamic
loading mechanism to look for libraries in SANE_BACKEND_LIB_PATH.

Change-Id: I132a709d171331d249acfe2fd1242dae43867ae8
This commit is contained in:
Sergey Trofimov 2025-06-12 12:30:35 +02:00 committed by Andreas Enge
parent bd97719e15
commit a407474891
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@ -2266,6 +2266,7 @@ dist_patch_DATA = \
%D%/packages/patches/sage-safeguard-sage-getargspec-cython.patch \
%D%/packages/patches/sajson-for-gemmi-numbers-as-strings.patch \
%D%/packages/patches/sajson-build-with-gcc10.patch \
%D%/packages/patches/sane-look-for-plugins-in-SANE_BACKEND_LIB_PATH.patch \
%D%/packages/patches/sbc-fix-build-non-x86.patch \
%D%/packages/patches/sbcl-fix-arm64-shared-lib.patch \
%D%/packages/patches/sbcl-aserve-add-HTML-5-elements.patch \