=> "/opt/pkg/bin/bmake" ["-C", "/data/jenkins/workspace/pkgsrc-upstream-trunk/print/mupdf", "all", "BATCH=1", "DEPENDS_TARGET=/nonexistent"]
===> Building for mupdf-1.28.5
    CC build/release/source/fitz/bbox-device.o
    CC build/release/source/fitz/barcode.o
    CC build/release/source/fitz/archive.o
    CC build/release/source/fitz/bidi-std.o
    CC build/release/source/fitz/bidi.o
    CC build/release/source/fitz/bitmap.o
    CC build/release/source/fitz/brotli.o
    CC build/release/source/fitz/buffer.o
    CC build/release/source/fitz/color-fast.o
    CC build/release/source/fitz/color-icc-create.o
    CC build/release/source/fitz/color-lcms.o
    CC build/release/source/fitz/colorspace.o
    CC build/release/source/fitz/compress.o
    CC build/release/source/fitz/compressed-buffer.o
    CC build/release/source/fitz/crypt-aes.o
    CC build/release/source/fitz/context.o
    CC build/release/source/fitz/crypt-arc4.o
    CC build/release/source/fitz/crypt-chacha20.o
    CC build/release/source/fitz/crypt-md5.o
    CC build/release/source/fitz/crypt-sha2.o
    CC build/release/source/fitz/cull-device.o
    CC build/release/source/fitz/deskew.o
    CC build/release/source/fitz/device.o
    CC build/release/source/fitz/directory.o
    CC build/release/source/fitz/document-all.o
    CC build/release/source/fitz/document.o
    CC build/release/source/fitz/draw-affine.o
    CC build/release/source/fitz/draw-blend.o
    CC build/release/source/fitz/draw-device.o
    CC build/release/source/fitz/draw-edge.o
    CC build/release/source/fitz/draw-edgebuffer.o
    CC build/release/source/fitz/draw-glyph.o
    CC build/release/source/fitz/draw-mesh.o
    CC build/release/source/fitz/draw-paint.o
    CC build/release/source/fitz/draw-path.o
    CC build/release/source/fitz/draw-rasterize.o
    CC build/release/source/fitz/draw-scale-simple.o
    CC build/release/source/fitz/draw-unpack.o
    CC build/release/source/fitz/encode-basic.o
    CC build/release/source/fitz/encode-fax.o
    CC build/release/source/fitz/encode-jpx.o
    CC build/release/source/fitz/encodings.o
    CC build/release/source/fitz/error.o
    CC build/release/source/fitz/filter-basic.o
    CC build/release/source/fitz/filter-brotli.o
    CC build/release/source/fitz/filter-dct.o
    CC build/release/source/fitz/filter-fax.o
    CC build/release/source/fitz/filter-flate.o
    CC build/release/source/fitz/filter-jbig2.o
    CC build/release/source/fitz/filter-leech.o
    CC build/release/source/fitz/filter-lzw.o
    CC build/release/source/fitz/filter-predict.o
    CC build/release/source/fitz/filter-sgi.o
    CC build/release/source/fitz/filter-thunder.o
    CC build/release/source/fitz/font.o
    CC build/release/source/fitz/ftoa.o
    CC build/release/source/fitz/geometry.o
    CC build/release/source/fitz/getopt.o
    CC build/release/source/fitz/glyph.o
    CC build/release/source/fitz/glyphbox.o
    CC build/release/source/fitz/gz-doc.o
    CC build/release/source/fitz/halftone.o
    CC build/release/source/fitz/harfbuzz.o
    CC build/release/source/fitz/hash.o
    CC build/release/source/fitz/heap.o
    CC build/release/source/fitz/hyphen.o
    CC build/release/source/fitz/image.o
    CC build/release/source/fitz/jmemcust.o
    CC build/release/source/fitz/json.o
    CC build/release/source/fitz/leptonica-wrap.o
    CC build/release/source/fitz/link.o
    CC build/release/source/fitz/list-device.o
    CC build/release/source/fitz/load-bmp.o
    CC build/release/source/fitz/load-gif.o
    CC build/release/source/fitz/load-jbig2.o
    CC build/release/source/fitz/load-jpeg.o
    CC build/release/source/fitz/load-jpx.o
    CC build/release/source/fitz/load-jxr.o
    CC build/release/source/fitz/load-png.o
    CC build/release/source/fitz/load-pnm.o
    CC build/release/source/fitz/load-psd.o
    CC build/release/source/fitz/load-tiff.o
    CC build/release/source/fitz/log.o
    CC build/release/source/fitz/memento.o
    CC build/release/source/fitz/memory.o
    CC build/release/source/fitz/noto.o
    CC build/release/source/fitz/ocr-device.o
    CC build/release/source/fitz/options.o
    CC build/release/source/fitz/outline.o
    CC build/release/source/fitz/output-cbz.o
    CC build/release/source/fitz/output-csv.o
    CC build/release/source/fitz/output-docx.o
    CC build/release/source/fitz/output-jpeg.o
    CC build/release/source/fitz/output-pcl.o
    CC build/release/source/fitz/output-pclm.o
    CC build/release/source/fitz/output-pdfocr.o
    CC build/release/source/fitz/output-png.o
    CC build/release/source/fitz/output-pnm.o
    CC build/release/source/fitz/output-ps.o
    CC build/release/source/fitz/output-psd.o
    CC build/release/source/fitz/output-pwg.o
    CC build/release/source/fitz/output-svg.o
    CC build/release/source/fitz/output.o
    CC build/release/source/fitz/path.o
    CC build/release/source/fitz/pixmap.o
    CC build/release/source/fitz/pool.o
source/fitz/pool.c: In function 'fz_pool_strndup':
source/fitz/pool.c:113:20: error: implicit declaration of function 'strnlen' [-Wimplicit-function-declaration]
  113 |         size_t l = strnlen(s, n);
      |                    ^~~~~~~
source/fitz/pool.c:113:20: warning: incompatible implicit declaration of built-in function 'strnlen' [-Wbuiltin-declaration-mismatch]
gmake: *** [Makefile:141: build/release/source/fitz/pool.o] Error 1
gmake: *** Waiting for unfinished jobs....
*** Error code 2

Stop.
bmake[1]: stopped making "all" in /data/jenkins/workspace/pkgsrc-upstream-trunk/print/mupdf
*** Error code 1

Stop.
bmake: stopped making "all" in /data/jenkins/workspace/pkgsrc-upstream-trunk/print/mupdf