Reduce number of forks at startup.

* lib/m4sugar/m4sh.m4 (AS_SHELL_SANITIZE): Speed up NLS
sanitization.
* configure: Regenerate.

Signed-off-by: Eric Blake <ebb9@byu.net>

diff --git a/ChangeLog b/ChangeLog
index 91213c6a4228e2b5db801ca516b9de2fec59a023..7b4a6d76c0f13d4eb5662f3dbdd7f3aa358c89b2 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2007-10-10  Eric Blake  <ebb9@byu.net>
+       and Paul Eggert  <eggert@cs.ucla.edu>
+
+       Reduce number of forks at startup.
+       * lib/m4sugar/m4sh.m4 (AS_SHELL_SANITIZE): Speed up NLS
+       sanitization.
+       * configure: Regenerate.
+
 2007-10-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
        and Paul Eggert  <eggert@cs.ucla.edu>
 

diff --git a/configure b/configure
index f132ece546631cd3ca7b3504d9983eb2dcbefabe..97422add6a105cf29f775fd0939d758789b4e0e2 100755 (executable)
--- a/configure
+++ b/configure
@@ -128,17 +128,10 @@ PS2='> '
 PS4='+ '
 
 # NLS nuisances.
-for as_var in \
-  LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \
-  LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \
-  LC_TELEPHONE LC_TIME
-do
-  if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then
-    eval $as_var=C; export $as_var
-  else
-    ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
-  fi
-done
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
 
 # Required to use basename.
 if expr a : '\(a\)' >/dev/null 2>&1 &&
@@ -2966,6 +2959,12 @@ test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
 # take arguments), then branch to the quote section.  Otherwise,
 # look for a macro that doesn't take arguments.
 ac_script='
+:mline
+/\\$/{
+ N
+ s,\\\n,,
+ b mline
+}
 t clear
 :clear
 s/^[    ]*#[    ]*define[       ][      ]*\([^  (][^    (]*([^)]*)\)[   ]*\(.*\)/-D\1=\2/g
@@ -3146,17 +3145,10 @@ PS2='> '
 PS4='+ '
 
 # NLS nuisances.
-for as_var in \
-  LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \
-  LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \
-  LC_TELEPHONE LC_TIME
-do
-  if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then
-    eval $as_var=C; export $as_var
-  else
-    ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
-  fi
-done
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
 
 # Required to use basename.
 if expr a : '\(a\)' >/dev/null 2>&1 &&

diff --git a/lib/m4sugar/m4sh.m4 b/lib/m4sugar/m4sh.m4
index b9677bd904c6c080aa236ec8e194a0ee32c863ce..15a4ed151b7e0604e42b788e878ef9e79d5d4087 100644 (file)
--- a/lib/m4sugar/m4sh.m4
+++ b/lib/m4sugar/m4sh.m4
@@ -384,17 +384,10 @@ PS2='> '
 PS4='+ '
 
 # NLS nuisances.
-for as_var in \
-  LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \
-  LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \
-  LC_TELEPHONE LC_TIME
-do
-  if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then
-    eval $as_var=C; export $as_var
-  else
-    ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
-  fi
-done
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
 
 # Required to use basename.
 _AS_EXPR_PREPARE