(AC_SUBST, AC_SUBST_FILE): Use newline as a separator, not space.

diff --git a/lib/autoconf/general.m4 b/lib/autoconf/general.m4
index 5ec5559d6e24c17c22d57bcd54b1fde6d2c08bdb..eacf86c20dd5f81bba54e0fbf6e879506b5570ad 100644 (file)
--- a/lib/autoconf/general.m4
+++ b/lib/autoconf/general.m4
@@ -1942,7 +1942,8 @@ _ACEOF
 m4_define([AC_SUBST],
 [m4_pattern_allow([^$1$])dnl
 m4_ifvaln([$2], [$1=$2])[]dnl
-m4_append_uniq([_AC_SUBST_VARS], [$1], [ ])dnl
+m4_append_uniq([_AC_SUBST_VARS], [$1], [
+])dnl
 ])# AC_SUBST
 
 
@@ -1951,7 +1952,8 @@ m4_append_uniq([_AC_SUBST_VARS], [$1], [ ])dnl
 # Read the comments of the preceding macro.
 m4_define([AC_SUBST_FILE],
 [m4_pattern_allow([^$1$])dnl
-m4_append_uniq([_AC_SUBST_FILES], [$1], [ ])])
+m4_append_uniq([_AC_SUBST_FILES], [$1], [
+])])