Revision: 41505
http://brlcad.svn.sourceforge.net/brlcad/?rev=41505&view=rev
Author: starseeker
Date: 2010-12-06 14:27:35 +0000 (Mon, 06 Dec 2010)
Log Message:
-----------
Comment tweaks
Modified Paths:
--------------
brlcad/branches/cmake/misc/CMake/FindTCL.cmake
Modified: brlcad/branches/cmake/misc/CMake/FindTCL.cmake
===================================================================
--- brlcad/branches/cmake/misc/CMake/FindTCL.cmake 2010-12-05 06:15:18 UTC
(rev 41504)
+++ brlcad/branches/cmake/misc/CMake/FindTCL.cmake 2010-12-06 14:27:35 UTC
(rev 41505)
@@ -51,7 +51,7 @@
# matches that of the current platform. If X11_GRAPHICS
# is on, a match is reported only if the windowing system
# reports X11. If neither option is ON, the windowing
-# system is not a factor is deciding to report
+# system is not a factor in deciding to report
# FOUND or NOTFOUND. If BOTH are ON (why??) NATIVE_GRAPHICS
# will override the TK_X11_GRAPHICS setting and set it
# to OFF.
@@ -98,7 +98,7 @@
# TCL_NEED_HEADERS
#
# 9. FindTCL will also typically require the stub libraries be present
-# If that is not true, the parent CMakeLists.txt file can disable
+# If they are not needed, the parent CMakeLists.txt file can disable
# the following variable (defaults to ON)
#
# TCL_NEED_STUB_LIBS
@@ -114,17 +114,23 @@
# The following "results" variables will be set (Tk variables only
# set when TCKTK_REQUIRE_TK is ON):
#
-# TCL_FOUND = Tcl (and Tk) found (see TCKTK_REQUIRE_TK)
-# TCL_CONF_PREFIX = path to parent dir of tclConfig.sh
+# TCL_FOUND = Tcl (and Tk) found (see TCL_REQUIRE_TK)
+# TCL_CONF_PREFIX = path to parent dir of tclConfig.sh
# TCL_LIBRARY = path to Tcl library
# TCL_STUB_LIBRARY = path to Tcl stub library
# TCL_INCLUDE_PATH = path to directory containing tcl.h
-# TK_CONF_PREFIX = path to parent dir of tkConfig.sh
+# TK_CONF_PREFIX = path to parent dir of tkConfig.sh
# TK_LIBRARY = path to Tk library
# TK_STUB_LIBRARY = path to Tk stub library
# TK_INCLUDE_PATH = path to directory containing tk.h
# TCL_TCLSH = full path to tclsh binary
# TK_WISH = full path wo wish binary
+#
+# Note: In the special case where headers are not required, the *LIBRARY,
+# *CONF_PREFIX, and *_INCLUDE_PATH variables are also not required- if
+# all that is required is tclsh and/or wish, those are the only fixed
+# requirements. In most cases the other variables will also be populated
+# but it is not guaranteed.
# Tcl/Tk tends to name things using version numbers, so we need a
# list of numbers to check
@@ -241,8 +247,8 @@
# In various loops, we don't want to waste time checking for paths containing
# version numbers incompatible with restrictions imposed by the min/max/exact
# variables. Define a version to validate a given version against those
-# variables, if they are defined.
-include(CompareVersions)
+# variables, if they are defined. Requires CompareVersions.cmake
+INCLUDE(CompareVersions)
MACRO(VALIDATE_VERSION vstatus versionnum)
SET(${vstatus} "NOTFOUND")
SET(vcompare "NOTFOUND")
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