isapipe: Move AC_LIBOBJ invocations to module description.

* m4/isapipe.m4 (gl_ISAPIPE): Set HAVE_ISAPIPE. Move AC_LIBOBJ and
gl_PREREQ_ISAPIPE invocations from here...
* modules/isapipe (configure.ac): ... to here.
(Depends-on): Update condition.

diff --git a/ChangeLog b/ChangeLog
index 9eec8fb..e8faac1 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,13 @@
 2011-05-08  Bruno Haible  <bruno@clisp.org>
 
+       isapipe: Move AC_LIBOBJ invocations to module description.
+       * m4/isapipe.m4 (gl_ISAPIPE): Set HAVE_ISAPIPE. Move AC_LIBOBJ and
+       gl_PREREQ_ISAPIPE invocations from here...
+       * modules/isapipe (configure.ac): ... to here.
+       (Depends-on): Update condition.
+
+2011-05-08  Bruno Haible  <bruno@clisp.org>
+
        ioctl: Move AC_LIBOBJ invocations to module description.
        * m4/ioctl.m4 (gl_FUNC_IOCTL): Set HAVE_IOCTL. Move AC_LIBOBJ
        invocations from here...

diff --git a/m4/isapipe.m4 b/m4/isapipe.m4
index 76402ff..3f6ff91 100644 (file)
--- a/m4/isapipe.m4
+++ b/m4/isapipe.m4
@@ -11,9 +11,11 @@ dnl Written by Paul Eggert.
 AC_DEFUN([gl_ISAPIPE],
 [
   # OpenVMS has isapipe already, so check for it.
-  AC_REPLACE_FUNCS([isapipe])
-  if test $ac_cv_func_isapipe = no; then
-    gl_PREREQ_ISAPIPE
+  AC_CHECK_FUNCS([isapipe])
+  if test $ac_cv_func_isapipe = yes; then
+    HAVE_ISAPIPE=1
+  else
+    HAVE_ISAPIPE=0
   fi
 ])
 

diff --git a/modules/isapipe b/modules/isapipe
index ee1c220..cc62ea8 100644 (file)
--- a/modules/isapipe
+++ b/modules/isapipe
@@ -7,12 +7,16 @@ lib/isapipe.h
 m4/isapipe.m4
 
 Depends-on:
-stdbool         [test $ac_cv_func_isapipe = no]
-sys_stat        [test $ac_cv_func_isapipe = no]
-unistd          [test $ac_cv_func_isapipe = no]
+stdbool         [test $HAVE_ISAPIPE = 0]
+sys_stat        [test $HAVE_ISAPIPE = 0]
+unistd          [test $HAVE_ISAPIPE = 0]
 
 configure.ac:
 gl_ISAPIPE
+if test $HAVE_ISAPIPE = 0; then
+  AC_LIBOBJ([isapipe])
+  gl_PREREQ_ISAPIPE
+fi
 
 Makefile.am: