Saluton! Ekaitz Zarraga skribis: > From 814e44cb90b1427a9af5d6a66392c5a39910e8fd Mon Sep 17 00:00:00 2001 > From: Ekaitz Zarraga > Date: Tue, 7 Apr 2020 18:56:06 +0200 > Subject: [PATCH] gnu: Add meshlab. > > * gnu/packages/engineering.scm (meshlab): New variable. Great! I added a copyright line for you, fixed up indentation (see the bit in the manual for how to do that automatically), and added a comment—patch attached. It built for me, but then I realized I had missed something: the external/ sub-directory contains lots of bundled copies of external tools, and indeed, the ‘configure’ phase shows: --8<---------------cut here---------------start------------->8--- -- Could NOT find Lib3ds (missing: LIB3DS_INCLUDE_DIR LIB3DS_LIBRARY) -- Could NOT find GMP (missing: GMP_INCLUDE_DIR GMP_LIBRARY) -- Could NOT find muparser (missing: MUPARSER_INCLUDE_DIR MUPARSER_LIBRARY) -- Could NOT find OpenCTM (missing: OPENCTM_INCLUDE_DIR OPENCTM_LIBRARY) -- Could NOT find Qhull (missing: QHULL_qhull_LIBRARY QHULL_qhull_INCLUDE_DIR qhull) -- Found OpenMP_C: -fopenmp (found version "4.5") -- Found OpenMP_CXX: -fopenmp (found version "4.5") -- Found OpenMP: TRUE (found version "4.5") -- - jhead - using bundled source -- - glew - using bundled source -- - Eigen - using bundled source -- - newuoa - using bundled source -- - levmar - using bundled source -- - lib3ds - using bundled source -- - muparser - using bundled source -- - OpenCTM - using bundled source -- - structure-synth - using bundled source -- - qhull - using bundled source --8<---------------cut here---------------end--------------->8--- Some of these are already packaged, so it should be a matter of adding them to ‘inputs’. For the remaining ones, it would be extra packaging work to do. The goal is to address all of these, but if we can address the majority of these, perhaps we can commit a first version of the package with a FIXME stating what remains to be done, if you prefer. Thanks, and apologies for overlooking it before! Ludo’.