issue8746   os.chflags() and os.lchflags() are not built when they should be

            Fix buggy configure detection of os support (BSD and OS X).
            Also correct unmatched quote marks in message.

APPLIES     py3k, 3.1, 2.7

NOTE        issue8746-py3k.patch    for py3k (3.2a2+)
            issue8746-27.patch      for release-27-maint (2.7+)
            issue8746-31.patch      for release-31-maint (3.1.2+)  [this file]

diff -r 393957408f87 configure.in
--- configure.in	Thu Sep 09 22:33:43 2010 +0200
+++ configure.in	Thu Sep 09 18:08:17 2010 -0700
@@ -2688,7 +2688,7 @@
 # On Tru64, chflags seems to be present, but calling it will
 # exit Python
 AC_CACHE_CHECK([for chflags], [ac_cv_have_chflags], [dnl
-AC_TRY_RUN([[
+AC_TRY_RUN([
 #include <sys/stat.h>
 #include <unistd.h>
 int main(int argc, char*argv[])
@@ -2697,7 +2697,7 @@
     return 1;
   return 0;
 }
-]], ac_cv_have_chflags=yes,
+], ac_cv_have_chflags=yes,
    ac_cv_have_chflags=no,
    ac_cv_have_chflags=cross)
 ])
@@ -2705,11 +2705,11 @@
   AC_CHECK_FUNC([chflags], [ac_cv_have_chflags="yes"], [ac_cv_have_chflags="no"])
 fi
 if test "$ac_cv_have_chflags" = yes ; then
-  AC_DEFINE(HAVE_CHFLAGS, 1, Define to 1 if you have the `chflags' function.)
+  AC_DEFINE(HAVE_CHFLAGS, 1, Define to 1 if you have the 'chflags' function.)
 fi
 
 AC_CACHE_CHECK([for lchflags], [ac_cv_have_lchflags], [dnl
-AC_TRY_RUN([[
+AC_TRY_RUN([
 #include <sys/stat.h>
 #include <unistd.h>
 int main(int argc, char*argv[])
@@ -2718,7 +2718,7 @@
     return 1;
   return 0;
 }
-]], ac_cv_have_lchflags=yes,
+], ac_cv_have_lchflags=yes,
    ac_cv_have_lchflags=no,
    ac_cv_have_lchflags=cross)
 ])
@@ -2726,7 +2726,7 @@
   AC_CHECK_FUNC([lchflags], [ac_cv_have_lchflags="yes"], [ac_cv_have_lchflags="no"])
 fi
 if test "$ac_cv_have_lchflags" = yes ; then
-  AC_DEFINE(HAVE_LCHFLAGS, 1, Define to 1 if you have the `lchflags' function.)
+  AC_DEFINE(HAVE_LCHFLAGS, 1, Define to 1 if you have the 'lchflags' function.)
 fi
 
 dnl Check if system zlib has *Copy() functions