2010-09-21 04:08:53 +08:00
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# config/tcl.m4
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2000-09-26 06:23:01 +08:00
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# Autoconf macros to check for Tcl related things
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AC_DEFUN([PGAC_PATH_TCLSH],
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Further improve consistency of configure's program searching.
Peter Eisentraut noted that commit 40b9f1921 had broken a configure
behavior that some people might rely on: AC_CHECK_PROGS(FOO,...) will
allow the search to be overridden by specifying a value for FOO on
configure's command line or in its environment, but AC_PATH_PROGS(FOO,...)
accepts such an override only if it's an absolute path. We had worked
around that behavior for some, but not all, of the pre-existing uses
of AC_PATH_PROGS by just skipping the macro altogether when FOO is
already set. Let's standardize on that workaround for all uses of
AC_PATH_PROGS, new and pre-existing, by wrapping AC_PATH_PROGS in a
new macro PGAC_PATH_PROGS. While at it, fix a deficiency of the old
workaround code by making sure we report the setting to configure's log.
Eventually I'd like to improve PGAC_PATH_PROGS so that it converts
non-absolute override inputs to absolute form, eg "PYTHON=python3"
becomes, say, PYTHON = /usr/bin/python3. But that will take some
nontrivial coding so it doesn't seem like a thing to do in late beta.
Discussion: https://postgr.es/m/90a92a7d-938e-507a-3bd7-ecd2b4004689@2ndquadrant.com
2017-08-01 23:40:00 +08:00
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[PGAC_PATH_PROGS(TCLSH, [tclsh tcl tclsh8.6 tclsh86 tclsh8.5 tclsh85 tclsh8.4 tclsh84])
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2008-07-24 01:07:50 +08:00
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if test x"$TCLSH" = x""; then
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AC_MSG_ERROR([Tcl shell not found])
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fi
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])
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2000-09-26 06:23:01 +08:00
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# PGAC_PATH_TCLCONFIGSH([SEARCH-PATH])
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# ------------------------------------
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2018-09-26 01:23:29 +08:00
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# If the user doesn't specify $TCL_CONFIG_SH directly, search for it in
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# the list of directories passed as parameter (from --with-tclconfig).
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# If no list is given, try the Tcl shell's $auto_path.
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2000-09-26 06:23:01 +08:00
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AC_DEFUN([PGAC_PATH_TCLCONFIGSH],
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[AC_REQUIRE([PGAC_PATH_TCLSH])[]dnl
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AC_BEFORE([$0], [PGAC_PATH_TKCONFIGSH])[]dnl
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AC_MSG_CHECKING([for tclConfig.sh])
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# Let user override test
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if test -z "$TCL_CONFIG_SH"; then
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pgac_test_dirs="$1"
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set X $pgac_test_dirs; shift
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if test $[#] -eq 0; then
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test -z "$TCLSH" && AC_MSG_ERROR([unable to locate tclConfig.sh because no Tcl shell was found])
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2018-09-26 01:23:29 +08:00
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pgac_test_dirs=`echo 'puts $auto_path' | $TCLSH`
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# On newer macOS, $auto_path frequently doesn't include the place
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# where tclConfig.sh actually lives. Append that to the end, so as not
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# to break cases where a non-default Tcl installation is being used.
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if test -d "$PG_SYSROOT/System/Library/Frameworks/Tcl.framework" ; then
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pgac_test_dirs="$pgac_test_dirs $PG_SYSROOT/System/Library/Frameworks/Tcl.framework"
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fi
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set X $pgac_test_dirs; shift
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2000-09-26 06:23:01 +08:00
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fi
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2000-09-30 18:45:17 +08:00
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for pgac_dir do
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2000-09-26 06:23:01 +08:00
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if test -r "$pgac_dir/tclConfig.sh"; then
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TCL_CONFIG_SH=$pgac_dir/tclConfig.sh
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break
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fi
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done
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fi
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if test -z "$TCL_CONFIG_SH"; then
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AC_MSG_RESULT(no)
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2002-03-30 01:32:55 +08:00
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AC_MSG_ERROR([file 'tclConfig.sh' is required for Tcl])
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2000-09-26 06:23:01 +08:00
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else
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AC_MSG_RESULT([$TCL_CONFIG_SH])
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fi
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AC_SUBST([TCL_CONFIG_SH])
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])# PGAC_PATH_TCLCONFIGSH
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# PGAC_PATH_TKCONFIGSH([SEARCH-PATH])
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# ------------------------------------
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AC_DEFUN([PGAC_PATH_TKCONFIGSH],
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[AC_REQUIRE([PGAC_PATH_TCLSH])[]dnl
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AC_MSG_CHECKING([for tkConfig.sh])
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# Let user override test
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if test -z "$TK_CONFIG_SH"; then
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pgac_test_dirs="$1"
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set X $pgac_test_dirs; shift
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if test $[#] -eq 0; then
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test -z "$TCLSH" && AC_MSG_ERROR([unable to locate tkConfig.sh because no Tcl shell was found])
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set X `echo 'puts $auto_path' | $TCLSH`; shift
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fi
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2000-09-30 18:45:17 +08:00
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for pgac_dir do
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2000-09-26 06:23:01 +08:00
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if test -r "$pgac_dir/tkConfig.sh"; then
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TK_CONFIG_SH=$pgac_dir/tkConfig.sh
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break
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fi
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done
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fi
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if test -z "$TK_CONFIG_SH"; then
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AC_MSG_RESULT(no)
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2002-03-30 01:32:55 +08:00
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AC_MSG_ERROR([file 'tkConfig.sh' is required for Tk])
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2000-09-26 06:23:01 +08:00
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else
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AC_MSG_RESULT([$TK_CONFIG_SH])
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fi
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AC_SUBST([TK_CONFIG_SH])
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])# PGAC_PATH_TKCONFIGSH
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2002-05-25 02:10:17 +08:00
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# PGAC_EVAL_TCLCONFIGSH(FILE, WANTED-VARS)
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# ----------------------------------------
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# Assigns variables listed in WANTED-VARS by reading FILE and
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# evaluating it according to the quoting scheme of tclConfig.sh and
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# tkConfig.sh. Calls AC_SUBST for each variable.
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AC_DEFUN([PGAC_EVAL_TCLCONFIGSH],
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[. "$1"
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m4_foreach([pgac_item], [$2],
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[eval pgac_item=\"[$]pgac_item\"
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AC_SUBST(pgac_item)])])
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