Hi! It looks like that flann ships broken .pc file. With this installed graphics/hugin fails to build with "undefined reference to LZ4_compress_HC_continue" error.
Should we fix flann itself as done in FreeBSD: Index: Makefile =================================================================== RCS file: /cvs/ports/math/flann/Makefile,v diff -u -p -u -r1.1.1.1 Makefile --- Makefile 27 Dec 2024 16:13:10 -0000 1.1.1.1 +++ Makefile 13 Jan 2025 05:51:07 -0000 @@ -1,4 +1,5 @@ COMMENT = fast library for approximate nearest neighbors +REVISION = 0 DIST_TUPLE += github flann-lib flann 1.9.2 . @@ -30,5 +31,8 @@ CONFIGURE_ARGS = -DBUILD_C_BINDINGS=ON \ -DBUILD_DOC=OFF \ -DUSE_OPENMP=OFF \ -DUSE_MPI=OFF +post-install: + # workaround for https://github.com/mariusmuja/flann/issues/466 + sed -i -e 's/lib;-llz4/lib -llz4/' ${PREFIX}/lib/pkgconfig/flann.pc .include <bsd.port.mk> or add -llz4 to LGFLAGS in graphics/hugin?