From 501ad55982a8f92a7a95c76c75944d644870181d Mon Sep 17 00:00:00 2001 From: Ludovic Courtès Date: Thu, 12 Mar 2020 15:16:04 +0100 Subject: [PATCH] load: Make Guile run-time relocatable using /proc/self/exe. Import from http://git.savannah.gnu.org/cgit/guix.git/commit/?id=920f2c42ce3345dc1355a41377ebf01a33fdae51 --- libguile/load.c | 35 +++++++++++++++++++++++++++++------ 1 file changed, 29 insertions(+), 6 deletions(-) diff --git a/libguile/load.c b/libguile/load.c index c2ee5093a..128cdf95a 100644 --- a/libguile/load.c +++ b/libguile/load.c @@ -26,6 +26,7 @@ #include #include +#include #include "libguile/_scm.h" #include "libguile/alist.h" @@ -325,6 +326,32 @@ scm_init_load_path () SCM cpath = SCM_EOL; #ifdef SCM_LIBRARY_DIR + char *program, *bin_dir, *prefix, *module_dir, *ccache_dir; + + /* Determine the source and compiled module directories at run-time, + relative to the executable's location. + + Note: Use /proc/self/exe instead of argv[0] because the latter is + not necessarily an absolute, nor a valid file name. */ + + program = scm_gc_malloc_pointerless (256, "string"); + readlink ("/proc/self/exe", program, 256); + + bin_dir = dirname (strdupa (program)); + + prefix = scm_gc_malloc_pointerless (strlen (bin_dir) + 4, "string"); + strcpy (prefix, bin_dir); + strcat (prefix, "/.."); + prefix = canonicalize_file_name (prefix); + + module_dir = scm_gc_malloc_pointerless (strlen (prefix) + 50, "string"); + strcpy (module_dir, prefix); + strcat (module_dir, "/share/guile/" SCM_EFFECTIVE_VERSION); + + ccache_dir = scm_gc_malloc_pointerless (strlen (prefix) + 50, "string"); + strcpy (ccache_dir, prefix); + strcat (ccache_dir, "/lib/guile/" SCM_EFFECTIVE_VERSION "/ccache"); + env = scm_i_mirror_backslashes (getenv ("GUILE_SYSTEM_PATH")); if (env && strcmp (env, "") == 0) /* special-case interpret system-path=="" as meaning no system path instead @@ -333,10 +360,7 @@ scm_init_load_path () else if (env) path = scm_parse_path (scm_from_locale_string (env), path); else - path = scm_list_4 (scm_from_locale_string (SCM_LIBRARY_DIR), - scm_from_locale_string (SCM_SITE_DIR), - scm_from_locale_string (SCM_GLOBAL_SITE_DIR), - scm_from_locale_string (SCM_PKGDATA_DIR)); + path = scm_list_1 (scm_from_locale_string (module_dir)); env = scm_i_mirror_backslashes (getenv ("GUILE_SYSTEM_COMPILED_PATH")); if (env && strcmp (env, "") == 0) @@ -346,8 +370,7 @@ scm_init_load_path () cpath = scm_parse_path (scm_from_locale_string (env), cpath); else { - cpath = scm_list_2 (scm_from_locale_string (SCM_CCACHE_DIR), - scm_from_locale_string (SCM_SITE_CCACHE_DIR)); + cpath = scm_list_1 (scm_from_locale_string (ccache_dir)); } #endif /* SCM_LIBRARY_DIR */ -- 2.24.0 tip'>* gnu/packages/algebra.scm (fftwf, fftw-openmpi), gnu/packages/audio.scm (ztoolkit-rsvg), gnu/packages/bioinformatics.scm (python2-dendropy), gnu/packages/boost.scm (boost-with-python2), gnu/packages/check.scm (python2-mock, python2-pytest-mock), gnu/packages/cups.scm (hplip-minimal), gnu/packages/freedesktop.scm (libinput-minimal), gnu/packages/gettext.scm (gnu-gettext), gnu/packages/glib.scm (python2-pygobject), gnu/packages/gnome.scm (gdl-minimal, libsoup-minimal, python2-pyatspi), gnu/packages/groff.scm (groff-minimal), gnu/packages/jami.scm (ffmpeg-jami), gnu/packages/libcanberra.scm (libcanberra/gtk+-2), gnu/packages/lirc.scm (python2-lirc), gnu/packages/llvm.scm (clang-runtime-3.5), gnu/packages/mpi.scm (java-openmpi, openmpi-thread-multiple), gnu/packages/node.scm (libnode), gnu/packages/onc-rpc.scm (libtirpc/hurd), gnu/packages/python-compression.scm (bitshuffle-for-snappy), gnu/packages/python-crypto.scm (python2-pycrypto, python2-cryptography) (python2-cryptography, python2-m2crypto), gnu/packages/python-web.scm (python2-html2text, python2-tornado) (python2-terminado, python2-ndg-httpsclient, python2-websocket-client) (python2-rauth, python2-url, python2-s3transfer), gnu/packages/python-xyz.scm (python2-psutil, python2-serpent) (python2-humanfriendly, python2-empy, python2-parse-type, python2-polib) (python2-jsonschema, python2-pystache, python2-cython, python2-numpydoc) (python2-ipyparallel, python2-traitlets, python2-dbus) (python2-beautifulsoup4, python2-pep517, python2-flake8, python2-llfuse) (python2-tlsh, python-file, python2-notebook, python-jupyter-console-minimal) (python2-contextlib2, python2-promise, python2-anyjson, python2-amqp) (python2-kombu, python2-billiard, python2-celery, python2-whoosh) (python2-jellyfish, python-rope, ptpython-2, python2-binaryornot) (python2-setproctitle, python2-argcomplete, python2-xopen, python2-isort) (python2-radon, python2-rfc6555, python2-activepapers, python2-send2trash) (python2-cloudpickle, python2-reparser), gnu/packages/python.scm (python2-called-python), gnu/packages/qt.scm (python2-sip, python-pyqt-without-qtwebkit, python2-pyqt) (python-qscintilla, python-pyqt+qscintilla), gnu/packages/scanner.scm (sane-backends), gnu/packages/sdl.scm (guile3.0-sdl2), gnu/packages/selinux.scm (checkpolicy, libselinux, libsemanage, secilc) (python-sepolgen, policycoreutils), gnu/packages/serialization.scm (lua5.1-libmpack, lua5.2-libmpack), gnu/packages/simulation.scm (fenics), gnu/packages/statistics.scm (python2-statsmodels), gnu/packages/texinfo.scm (info-reader), gnu/packages/wxwidgets.scm (wxwidgets-gtk2, wxwidgets-gtk2-3.1), gnu/packages/xml.scm (xmlsec-nss), gnu/packages/xorg.scm (uim-gtk, uim-qt), guix/build-system/python.scm (package-with-explicit-python) (strip-python2-variant): Use PACKAGE/INHERIT. Mark H Weaver