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Report known error when tcl_ext_lib cannot be loaded
Fixes #644 Signed-off-by: Xavier Delaruelle <xavier.delaruelle@cea.fr>
1 parent 898e471 commit f9207ca

8 files changed

Lines changed: 96 additions & 3 deletions

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‎Makefile‎

Lines changed: 6 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -79,7 +79,8 @@ TEST_PREREQ += lib/libtestutil-closedir$(SHLIB_SUFFIX) \
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lib/libtestutil-0getgroups$(SHLIB_SUFFIX) \
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lib/libtestutil-dupgetgroups$(SHLIB_SUFFIX) \
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lib/libtestutil-time$(SHLIB_SUFFIX) \
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lib/libtestutil-mktime$(SHLIB_SUFFIX)
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lib/libtestutil-mktime$(SHLIB_SUFFIX) \
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lib/libtestutil-tcl_loadfile$(SHLIB_SUFFIX)
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endif
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endif
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@@ -660,6 +661,9 @@ lib/libtestutil-time$(SHLIB_SUFFIX):
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lib/libtestutil-mktime$(SHLIB_SUFFIX):
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$(MAKE) --no-print-directory -C lib $(@F)
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lib/libtestutil-tcl_loadfile$(SHLIB_SUFFIX):
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$(MAKE) --no-print-directory -C lib $(@F)
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# example configs for test rules
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testsuite/example/.modulespath: testsuite/example/.modulespath.in
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$(translate-in-script)
@@ -1172,6 +1176,7 @@ $(V).SILENT: initdir pkgdoc doc version.inc share/rpm/environment-modules.spec \
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lib/libtestutil-getpwuid$(SHLIB_SUFFIX) lib/libtestutil-getgroups$(SHLIB_SUFFIX) \
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lib/libtestutil-0getgroups$(SHLIB_SUFFIX) lib/libtestutil-mktime$(SHLIB_SUFFIX) \
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lib/libtestutil-dupgetgroups$(SHLIB_SUFFIX) lib/libtestutil-time$(SHLIB_SUFFIX) \
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lib/libtestutil-tcl_loadfile$(SHLIB_SUFFIX) \
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testsuite/example/.modulespath testsuite/example/modulespath-wild \
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testsuite/example/modulerc testsuite/example/initrc-1 testsuite/example/initrc \
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dist-tar dist-gzip dist-bzip2 dist-win $(MODULECMDTEST) $(MODULECMDTEST)_i

‎NEWS.rst‎

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@@ -130,6 +130,8 @@ Modules 5.7.0 (not yet released)
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or :subcmd:`sh-to-mod` sub-command, does not get access to shell aliases,
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functions or completions settings only available in interactive sessions or
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defined in profile files. (fix issue #646)
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* Report a global known error when Modules Tcl extension library cannot be
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loaded. (fix issue #644)
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.. _5.6 release notes:

‎lib/.gitignore‎

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@@ -16,6 +16,7 @@
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/libtestutil-dupgetgroups.so
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/libtestutil-time.so
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/libtestutil-mktime.so
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/libtestutil-tcl_loadfile.so
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/envmodules.c.gcov
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/envmodules.gcda
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/envmodules.gcno

‎lib/Makefile.in‎

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Original file line numberDiff line numberDiff line change
@@ -60,6 +60,10 @@ libtestutil-mktime@SHLIB_SUFFIX@: testutil-mktime.c
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$(ECHO_CC)
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$(LDCC) $< -o $@
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libtestutil-tcl_loadfile@SHLIB_SUFFIX@: testutil-tcl_loadfile.c
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$(ECHO_CC)
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$(LDCC) $< -o $@
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clean:
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rm -f envmodules.o
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rm -f libtclenvmodules@TCL_SHLIB_SUFFIX@
@@ -70,6 +74,7 @@ clean:
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rm -f libtestutil-dupgetgroups@SHLIB_SUFFIX@
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rm -f libtestutil-time@SHLIB_SUFFIX@
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rm -f libtestutil-mktime@SHLIB_SUFFIX@
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rm -f libtestutil-tcl_loadfile@SHLIB_SUFFIX@
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rm -f envmodules.c.gcov envmodules.gcda envmodules.gcno
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distclean: clean
@@ -95,4 +100,4 @@ $(V).SILENT: envmodules.o libtclenvmodules@TCL_SHLIB_SUFFIX@ \
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libtestutil-closedir@SHLIB_SUFFIX@ libtestutil-getpwuid@SHLIB_SUFFIX@ \
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libtestutil-getgroups@SHLIB_SUFFIX@ libtestutil-0getgroups@SHLIB_SUFFIX@ \
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libtestutil-dupgetgroups@SHLIB_SUFFIX@ libtestutil-time@SHLIB_SUFFIX@ \
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libtestutil-mktime@SHLIB_SUFFIX@
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libtestutil-mktime@SHLIB_SUFFIX@ libtestutil-tcl_loadfile@SHLIB_SUFFIX@

‎lib/testutil-tcl_loadfile.c‎

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@@ -0,0 +1,31 @@
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/*************************************************************************
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*
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* TESTUTIL-TCL_LOADFILE.C, Superseded Tcl_LoadFile function for test purpose
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* Copyright (C) 2026 Xavier Delaruelle
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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************************************************************************/
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#include <tcl.h>
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int Tcl_LoadFile(Tcl_Interp *interp, Tcl_Obj *pathPtr,
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const char *const symbols[], int flags, void *procVPtrs,
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Tcl_LoadHandle *handlePtr)
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{
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Tcl_SetObjResult(interp, Tcl_ObjPrintf("error message"));
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return TCL_ERROR;
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}
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/* vim:set tabstop=3 shiftwidth=3 expandtab autoindent: */

‎tcl/main.tcl.in‎

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Original file line numberDiff line numberDiff line change
@@ -625,7 +625,11 @@ if {[catch {
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##nagelfar ignore +2 Too long line
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@libtclenvmodules@if {[file readable [getConf tcl_ext_lib]]} {
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@libtclenvmodules@ reportDebug "Load Tcl extension library ([getConf tcl_ext_lib])"
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@libtclenvmodules@ load [file normalize [getConf tcl_ext_lib]] Envmodules
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@libtclenvmodules@ if {[catch {
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@libtclenvmodules@ load [file normalize [getConf tcl_ext_lib]] Envmodules
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@libtclenvmodules@ } errMsg]} {
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@libtclenvmodules@ reportErrorAndExit $errMsg
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@libtclenvmodules@ }
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@libtclenvmodules@ setState tcl_ext_lib_loaded 1
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@libtclenvmodules@}
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# use fallback procs if extension library is not loaded

‎testsuite/modules.00-init/005-init_ts.exp‎

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Original file line numberDiff line numberDiff line change
@@ -168,6 +168,7 @@ if {$install_libtclenvmodules eq {y}} {
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set dupgetgroupslib_file lib/libtestutil-dupgetgroups$install_shlib_suffix
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set timelib_file lib/libtestutil-time$install_shlib_suffix
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set mktimelib_file lib/libtestutil-mktime$install_shlib_suffix
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set tcl_loadfilelib_file lib/libtestutil-tcl_loadfile$install_shlib_suffix
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}
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# check file permission capabilities

‎testsuite/modules.00-init/190-tcl_ext_lib.exp‎

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@@ -0,0 +1,44 @@
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##############################################################################
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# Modules Revision 3.0
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# Providing a flexible user environment
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#
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# File: modules.00-init/%M%
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# Revision: %I%
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# First Edition: 2026/07/17
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# Last Mod.: %U%, %G%
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#
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# Authors: Xavier Delaruelle, xavier.delaruelle@cea.fr
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#
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# Description: Testuite testsequence
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# Command: load
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# Modulefiles: bar, foo
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# Sub-Command:
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#
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# Comment: %C{
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# Test Modules Tcl extended library
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# }C%
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#
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##############################################################################
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skip_if_quick_mode
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# test error report when loading library
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# ensure we are in a specific test mode so we can play with installed files
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# no need to specifically test on Darwin system
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if {[siteconfig_isStderrTty] && $tcl_platform(os) ne "Darwin" &&\
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[info exists tclextlib_file] && [info exists tcl_loadfilelib_file] &&\
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[file exists $tcl_loadfilelib_file]} {
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setenv_var LD_PRELOAD $tcl_loadfilelib_file
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set tserr "$error_msgs: error message"
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testouterr_cmd sh {-V} ERR $tserr
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unsetenv_var LD_PRELOAD
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}
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#
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# Cleanup
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#
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reset_test_env

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