[commit: base] master: Fix suseconds configure test on Windows (c4db815)

[Ian Lynagh]

Repository : ssh://darcs.haskell.org//srv/darcs/packages/base

On branch  : master

http://hackage.haskell.org/trac/ghc/changeset/c4db81538def42c5fb7f485d7c99b4b296150101

>---------------------------------------------------------------

commit c4db81538def42c5fb7f485d7c99b4b296150101
Author: Ian Lynagh <igloo at earth.li>
Date:   Sun Jun 12 14:25:24 2011 +0100

    Fix suseconds configure test on Windows

>---------------------------------------------------------------

 aclocal.m4   |    9 +++++++--
 configure.ac |    1 -
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/aclocal.m4 b/aclocal.m4
index a8f5412..6e9801f 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -169,12 +169,17 @@ AC_DEFUN([FPTOOLS_CHECK_HTYPE_ELSE],[
             fi
         fi
         ])
+    if test "$AC_CV_NAME_supported" = no
+    then
+        $2
+    fi
+
+    dnl Note: evaluating dollar-2 can change the value of
+    dnl $AC_CV_NAME_supported, so we might now get a different answer
     if test "$AC_CV_NAME_supported" = yes; then
         AC_MSG_RESULT($AC_CV_NAME)
         AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME,
                            [Define to Haskell type for $1])
-    else
-        $2
     fi
     undefine([AC_TYPE_NAME])dnl
     undefine([AC_CV_NAME])dnl
diff --git a/configure.ac b/configure.ac
index 787bf66..acfd48e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -102,7 +102,6 @@ FPTOOLS_CHECK_HTYPE_ELSE(suseconds_t,
                           then
                               AC_CV_NAME=Int32
                               AC_CV_NAME_supported=yes
-                              AC_MSG_RESULT([not found...on Windows, so using Int32])
                           else
                               AC_MSG_ERROR([type not found])
                           fi])