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-rw-r--r--library/auto.tcl66
1 files changed, 47 insertions, 19 deletions
diff --git a/library/auto.tcl b/library/auto.tcl
index 9df91f4..c80e1ea 100644
--- a/library/auto.tcl
+++ b/library/auto.tcl
@@ -3,7 +3,7 @@
# utility procs formerly in init.tcl dealing with auto execution
# of commands and can be auto loaded themselves.
#
-# RCS: @(#) $Id: auto.tcl,v 1.17 2004/07/30 16:54:04 dgp Exp $
+# RCS: @(#) $Id: auto.tcl,v 1.18 2004/08/23 17:40:27 dgp Exp $
#
# Copyright (c) 1991-1993 The Regents of the University of California.
# Copyright (c) 1994-1998 Sun Microsystems, Inc.
@@ -57,29 +57,51 @@ proc tcl_findLibrary {basename version patch initScript enVarName varName} {
set errors {}
# The C application may have hardwired a path, which we honor
-
+
set variableSet [info exists the_library]
- if {$variableSet && [string compare $the_library {}]} {
+ if {$variableSet && $the_library ne ""} {
lappend dirs $the_library
} else {
# Do the canonical search
- # 1. From an environment variable, if it exists
+ # 1. From an environment variable, if it exists.
+ # Placing this first gives the end-user ultimate control
+ # to work-around any bugs, or to customize.
if {[info exists env($enVarName)]} {
lappend dirs $env($enVarName)
}
- # 2. Relative to the Tcl library
+ # 2. In the package script directory registered within
+ # the configuration of the package itself.
+
+ if {[catch {
+ ::${basename}::pkgconfig get scriptdir,runtime
+ } value] == 0} {
+ lappend dirs $value
+ }
- lappend dirs [file join [file dirname [info library]] \
- $basename$version]
+ # 3. Relative to auto_path directories. This checks relative to the
+ # Tcl library as well as allowing loading of libraries added to the
+ # auto_path that is not relative to the core library or binary paths.
+ foreach d $::auto_path {
+ lappend dirs [file join $d $basename$version]
+ if {$::tcl_platform(platform) eq "unix"
+ && $::tcl_platform(os) eq "Darwin"} {
+ # 4. On MacOSX, check the Resources/Scripts subdir too
+ lappend dirs [file join $d $basename$version Resources Scripts]
+ }
+ }
# 3. Various locations relative to the executable
# ../lib/foo1.0 (From bin directory in install hierarchy)
# ../../lib/foo1.0 (From bin/arch directory in install hierarchy)
# ../library (From unix directory in build hierarchy)
+ #
+ # Remaining locations are out of date (when relevant, they ought
+ # to be covered by the $::auto_path seach above) and disabled.
+ #
# ../../library (From unix/arch directory in build hierarchy)
# ../../foo1.0.1/library
# (From unix directory in parallel build hierarchy)
@@ -91,20 +113,26 @@ proc tcl_findLibrary {basename version patch initScript enVarName varName} {
lappend dirs [file join $parentDir lib $basename$version]
lappend dirs [file join $grandParentDir lib $basename$version]
lappend dirs [file join $parentDir library]
- lappend dirs [file join $grandParentDir library]
- lappend dirs [file join $grandParentDir $basename$patch library]
- lappend dirs [file join [file dirname $grandParentDir] \
- $basename$patch library]
-
- # 4. On MacOSX, check the directories in the tcl_pkgPath
- if {[string equal $::tcl_platform(platform) "unix"] && \
- [string equal $::tcl_platform(os) "Darwin"]} {
- foreach d $::tcl_pkgPath {
- lappend dirs [file join $d $basename$version]
- lappend dirs [file join $d $basename$version Resources Scripts]
- }
+ if {0} {
+ lappend dirs [file join $grandParentDir library]
+ lappend dirs [file join $grandParentDir $basename$patch library]
+ lappend dirs [file join [file dirname $grandParentDir] \
+ $basename$patch library]
+ }
+ }
+ # uniquify $dirs in order
+ array set seen {}
+ foreach i $dirs {
+ if {[interp issafe]} {
+ set norm $i
+ } else {
+ set norm [file normalize $i]
}
+ if {[info exists seen($norm)]} { continue }
+ set seen($norm) ""
+ lappend uniqdirs $norm
}
+ set dirs $uniqdirs
foreach i $dirs {
set the_library $i
set file [file join $i $initScript]