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authordgp <dgp@users.sourceforge.net>2013-09-07 21:36:37 (GMT)
committerdgp <dgp@users.sourceforge.net>2013-09-07 21:36:37 (GMT)
commit53c609c3aa4042d00194dc6d3d2bea553ad9d605 (patch)
tree3ffb9f188177b98d4c9194e4d44a147af6c4443a /library
parent43be762ef2c9161d87dcddea3d78084c7c077903 (diff)
parent7d65b0f9b214a041c9007cf45220fe7c8a5c88f0 (diff)
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[86ceb4e2b6] Improve reaction when multiple *tm files purport to offer the
same version of the same package. Prefer the file that comes first on the tm path. Makes TCL*_TM_PATH variables more useful. Thanks to Gustaf Neumann for the suggestion.
Diffstat (limited to 'library')
-rw-r--r--library/tm.tcl9
1 files changed, 9 insertions, 0 deletions
diff --git a/library/tm.tcl b/library/tm.tcl
index baa268d..7b9cafe 100644
--- a/library/tm.tcl
+++ b/library/tm.tcl
@@ -248,6 +248,15 @@ proc ::tcl::tm::UnknownHandler {original name args} {
continue
}
+ if {[package ifneeded $pkgname $pkgversion] ne {}} {
+ # There's already a provide script registered for
+ # this version of this package. Since all units of
+ # code claiming to be the same version of the same
+ # package ought to be identical, just stick with
+ # the one we already have.
+ continue
+ }
+
# We have found a candidate, generate a "provide
# script" for it, and remember it. Note that we
# are using ::list to do this; locally [list]