[FYI] {maint} cosmetics: use proper m4 quoting in configure.ac

[Stefano Lattarini]

* configure.ac (AC_CONFIG_SRCDIR): Use proper m4 quoting
for its arguments.
(AC_CONFIG_AUX_DIR): Likewise.
(AC_PROG_PATH): Likewise.
---
 ChangeLog    |    8 ++++++++
 configure.ac |    6 +++---
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index d97d461..ecb1495 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2011-12-22  Stefano Lattarini  <address@hidden>
+
+       cosmetics: use proper m4 quoting in configure.ac
+       * configure.ac (AC_CONFIG_SRCDIR): Use proper m4 quoting
+       for its arguments.
+       (AC_CONFIG_AUX_DIR): Likewise.
+       (AC_PROG_PATH): Likewise.
+
 2011-12-14  Stefano Lattarini  <address@hidden>
 
        tests: better handling of gettext and libtool requirements
diff --git a/configure.ac b/configure.ac
index 334fc4d..201ecb3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -23,8 +23,8 @@ AC_INIT([GNU Automake], [1.11.0a], address@hidden)
 m4_ifndef([AC_PACKAGE_URL],
          [AC_SUBST([PACKAGE_URL], [http://www.gnu.org/software/automake/])])
 
-AC_CONFIG_SRCDIR(automake.in)
-AC_CONFIG_AUX_DIR(lib)
+AC_CONFIG_SRCDIR([automake.in])
+AC_CONFIG_AUX_DIR([lib])
 
 AC_CANONICAL_BUILD
 
@@ -58,7 +58,7 @@ AC_SUBST([pkgvdatadir], ["\${datadir}/$PACKAGE-$APIVERSION"])
 ACLOCAL="perllibdir=\"`pwd`/lib$PATH_SEPARATOR./lib\" \"`pwd`/aclocal\" 
--acdir=m4 -I m4"
 AUTOMAKE="perllibdir=\"`pwd`/lib$PATH_SEPARATOR./lib\" \"`pwd`/automake\" 
--libdir=lib"
 
-AC_PATH_PROG(PERL, perl)
+AC_PATH_PROG([PERL], [perl])
 if test -z "$PERL"; then
    AC_MSG_ERROR([perl not found])
 fi
-- 
1.7.7.3