re PR bootstrap/26161 (Configure tests for pthread.h sometimes need to use -pthread)

	PR bootstrap/26161
	* configure.ac: Remove AC_CHECK_HEADER for pthread.h. Add comment
	for the other pthread check.
	* configure: Regenerate.
	* config.h.in: Regenerate.

From-SVN: r111205

libgomp/ChangeLog

+2006-02-17  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
+
+	PR bootstrap/26161
+	* configure.ac: Remove AC_CHECK_HEADER for pthread.h. Add comment
+	for the other pthread check.
+	* configure: Regenerate.
+	* config.h.in: Regenerate.
+
 2006-02-15  Jakub Jelinek  <jakub@redhat.com>
 
 	PR libgomp/25938

libgomp/config.h.in

@@ -75,6 +75,21 @@
 /* Define to the version of this package. */
 #undef PACKAGE_VERSION
 
+/* The size of a `char', as computed by sizeof. */
+#undef SIZEOF_CHAR
+
+/* The size of a `int', as computed by sizeof. */
+#undef SIZEOF_INT
+
+/* The size of a `long', as computed by sizeof. */
+#undef SIZEOF_LONG
+
+/* The size of a `short', as computed by sizeof. */
+#undef SIZEOF_SHORT
+
+/* The size of a `void *', as computed by sizeof. */
+#undef SIZEOF_VOID_P
+
 /* Define to 1 if you have the ANSI C header files. */
 #undef STDC_HEADERS
 

libgomp/configure.ac

@@ -139,12 +139,11 @@ AC_SUBST(libtool_VERSION)
 AC_STDC_HEADERS
 AC_HEADER_TIME
 AC_CHECK_HEADERS(unistd.h semaphore.h sys/loadavg.h sys/time.h)
-AC_CHECK_HEADER([pthread.h],[],
-  [AC_MSG_ERROR([Pthreads are required to build libgomp])])
 
 GCC_HEADER_STDINT(gstdint.h)
 
 # Check to see if -pthread or -lpthread is needed.  Prefer the former.
+# In case the pthread.h system header is not found, this test will fail.
 XPCFLAGS=""
 CFLAGS="$CFLAGS -pthread"
 AC_LINK_IFELSE(