clock_time.m4, euidaccess.m4: tiny changes

[Jim Meyering]

FYI, I've just checked these in:

        * m4/clock_time.m4 (gl_CLOCK_TIME): Quote AC_SUBST argument.
        * m4/euidaccess.m4 (gl_PREREQ_EUIDACCESS): Likewise.

Index: m4/clock_time.m4
===================================================================
RCS file: /sources/gnulib/gnulib/m4/clock_time.m4,v
retrieving revision 1.7
diff -u -p -r1.7 clock_time.m4
--- m4/clock_time.m4    2 Mar 2006 07:36:41 -0000       1.7
+++ m4/clock_time.m4    22 Nov 2006 13:38:19 -0000
@@ -1,10 +1,14 @@
-# clock_time.m4 serial 7
-dnl Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+# clock_time.m4 serial 8
+dnl Copyright (C) 2002-2006 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.

-# Check for clock_gettime and clock_settime, and sets LIB_CLOCK_GETTIME.
+# Check for clock_gettime and clock_settime, and set LIB_CLOCK_GETTIME.
+# For a program named, say foo, you should add a line like the following
+# in the corresponding Makefile.am file:
+# foo_LDADD = $(LDADD) $(LIB_CLOCK_GETTIME)
+
 AC_DEFUN([gl_CLOCK_TIME],
 [
   dnl Persuade glibc and Solaris <time.h> to declare these functions.
@@ -20,7 +24,7 @@ AC_DEFUN([gl_CLOCK_TIME],
     AC_SEARCH_LIBS(clock_gettime, [rt posix4],
                    [test "$ac_cv_search_clock_gettime" = "none required" ||
                     LIB_CLOCK_GETTIME=$ac_cv_search_clock_gettime])
-    AC_SUBST(LIB_CLOCK_GETTIME)
+    AC_SUBST([LIB_CLOCK_GETTIME])
     AC_CHECK_FUNCS(clock_gettime clock_settime)
   LIBS=$gl_saved_libs
 ])
Index: m4/euidaccess.m4
===================================================================
RCS file: /sources/gnulib/gnulib/m4/euidaccess.m4,v
retrieving revision 1.5
diff -u -p -r1.5 euidaccess.m4
--- m4/euidaccess.m4    2 May 2005 07:00:50 -0000       1.5
+++ m4/euidaccess.m4    22 Nov 2006 13:38:19 -0000
@@ -1,5 +1,5 @@
-# euidaccess.m4 serial 6
-dnl Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+# euidaccess.m4 serial 7
+dnl Copyright (C) 2002-2006 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -41,7 +41,7 @@ AC_DEFUN([gl_PREREQ_EUIDACCESS], [
     AC_SEARCH_LIBS(eaccess, [gen],
                    [test "$ac_cv_search_eaccess" = "none required" ||
                     LIB_EACCESS=$ac_cv_search_eaccess])
-    AC_SUBST(LIB_EACCESS)
+    AC_SUBST([LIB_EACCESS])
     AC_CHECK_FUNCS(eaccess)
   LIBS=$gl_saved_libs
 ])