Provide a --no-locale option for pg_regress and a corresponding NOLOCALE=1
setting for the regression makefile, allowing Windows users to force locale
settings since Windows does not get its locale from the environment.

Per Petr Jelinek.

src/test/regress/GNUmakefile

@@ -6,7 +6,7 @@
 # Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
 # Portions Copyright (c) 1994, Regents of the University of California
 #
-# $PostgreSQL: pgsql/src/test/regress/GNUmakefile,v 1.52 2005/07/28 04:32:32 tgl Exp $
+# $PostgreSQL: pgsql/src/test/regress/GNUmakefile,v 1.53 2005/11/01 15:09:11 adunstan Exp $
 #
 #-------------------------------------------------------------------------
 
@@ -28,6 +28,11 @@ ifdef MAX_CONNECTIONS
 MAXCONNOPT += --max-connections=$(MAX_CONNECTIONS)
 endif
 
+# locale
+NOLOCALE :=
+ifdef NO_LOCALE
+NOLOCALE += --no-locale
+endif
 
 ##
 ## Prepare for tests
@@ -132,17 +137,17 @@ all-spi:
 check: all
 	-rm -rf ./testtablespace
 	mkdir ./testtablespace
-	$(SHELL) ./pg_regress --temp-install --top-builddir=$(top_builddir) --temp-port=$(TEMP_PORT) --schedule=$(srcdir)/parallel_schedule --multibyte=$(MULTIBYTE) --load-language=plpgsql $(MAXCONNOPT)
+	$(SHELL) ./pg_regress --temp-install --top-builddir=$(top_builddir) --temp-port=$(TEMP_PORT) --schedule=$(srcdir)/parallel_schedule --multibyte=$(MULTIBYTE) --load-language=plpgsql $(MAXCONNOPT) $(NOLOCALE)
 
 installcheck: all
 	-rm -rf ./testtablespace
 	mkdir ./testtablespace
-	$(SHELL) ./pg_regress --schedule=$(srcdir)/serial_schedule --multibyte=$(MULTIBYTE) --load-language=plpgsql 
+	$(SHELL) ./pg_regress --schedule=$(srcdir)/serial_schedule --multibyte=$(MULTIBYTE) --load-language=plpgsql $(NOLOCALE)
 
 installcheck-parallel: all
 	-rm -rf ./testtablespace
 	mkdir ./testtablespace
-	$(SHELL) ./pg_regress --schedule=$(srcdir)/parallel_schedule --multibyte=$(MULTIBYTE) --load-language=plpgsql $(MAXCONNOPT)
+	$(SHELL) ./pg_regress --schedule=$(srcdir)/parallel_schedule --multibyte=$(MULTIBYTE) --load-language=plpgsql $(MAXCONNOPT) $(NOLOCALE)
 
 
 # old interfaces follow...
@@ -152,10 +157,10 @@ runtest: installcheck
 runtest-parallel: installcheck-parallel
 
 bigtest:
-	$(SHELL) ./pg_regress --schedule=$(srcdir)/serial_schedule --multibyte=$(MULTIBYTE) --load-language=plpgsql numeric_big
+	$(SHELL) ./pg_regress --schedule=$(srcdir)/serial_schedule --multibyte=$(MULTIBYTE) --load-language=plpgsql $(NOLOCALE) numeric_big 
 
 bigcheck:
-	$(SHELL) ./pg_regress --temp-install --top-builddir=$(top_builddir) --temp-port=$(TEMP_PORT) --schedule=$(srcdir)/parallel_schedule --multibyte=$(MULTIBYTE) --load-language=plpgsql $(MAXCONNOPT) numeric_big
+	$(SHELL) ./pg_regress --temp-install --top-builddir=$(top_builddir) --temp-port=$(TEMP_PORT) --schedule=$(srcdir)/parallel_schedule --multibyte=$(MULTIBYTE) --load-language=plpgsql $(MAXCONNOPT) $(NOLOCALE) numeric_big
 
 
 ##

src/test/regress/pg_regress.sh

 #! /bin/sh
-# $PostgreSQL: pgsql/src/test/regress/pg_regress.sh,v 1.60 2005/09/05 23:50:49 tgl Exp $
+# $PostgreSQL: pgsql/src/test/regress/pg_regress.sh,v 1.61 2005/11/01 15:09:11 adunstan Exp $
 
 me=`basename $0`
 : ${TMPDIR=/tmp}
@@ -24,6 +24,7 @@ Options:
   --schedule=FILE           use test ordering schedule from FILE
                             (may be used multiple times to concatenate)
   --temp-install[=DIR]      create a temporary installation (in DIR)
+  --no-locale               use C locale
 
 Options for \`temp-install' mode:
   --top-builddir=DIR        (relative) path to top level build directory
@@ -99,6 +100,7 @@ fi
 unset mode
 unset schedule
 unset debug
+unset nolocale
 unset top_builddir
 unset temp_install
 unset multibyte
@@ -142,6 +144,9 @@ do
         --multibyte=*)
                 multibyte=`expr "x$1" : "x--multibyte=\(.*\)"`
                 shift;;
+        --no-locale)
+                nolocale=yes
+                shift;;
         --temp-install)
                 temp_install=./tmp_check
                 shift;;
@@ -403,7 +408,8 @@ then
     fi
 
     message "initializing database system"
-    [ "$debug" = yes ] && initdb_options='--debug'
+    [ "$debug" = yes ] && initdb_options="--debug"
+    [ "$nolocale" = yes ] && initdb_options="$initdb_options --no-locale"
     "$bindir/initdb" -D "$PGDATA" -L "$datadir" --noclean $initdb_options >"$LOGDIR/initdb.log" 2>&1
 
     if [ $? -ne 0 ]