configure.in: Check for alloca.h (for regex.c and putenv.c).

* configure.in: Check for alloca.h (for regex.c and putenv.c).
* configure: Regenerate.
* config.h: Add HAVE_ALLOCA_H.

From-SVN: r47352

libiberty/ChangeLog

+2001-11-26  DJ Delorie  <dj@redhat.com>
+
+	* configure.in: Check for alloca.h (for regex.c and putenv.c).
+	* configure: Regenerate.
+	* config.h: Add HAVE_ALLOCA_H.
+
 2001-11-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	* regex.c: Check defined(__STDC__) || defined(ALMOST_STDC) ||

libiberty/config.in

@@ -183,6 +183,9 @@
 /* Define if you have the <fcntl.h> header file.  */
 #undef HAVE_FCNTL_H
 
+/* Define if you have the <alloca.h> header file.  */
+#undef HAVE_ALLOCA_H
+
 /* Define if you have the <limits.h> header file.  */
 #undef HAVE_LIMITS_H
 

libiberty/configure

@@ -1275,7 +1275,7 @@ else
 fi
 echo "$ac_t""$CPP" 1>&6
 
-for ac_hdr in sys/file.h sys/param.h limits.h stdlib.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h
+for ac_hdr in sys/file.h sys/param.h limits.h stdlib.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h alloca.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6

libiberty/configure.in

@@ -120,7 +120,7 @@ AC_SUBST_FILE(host_makefile_frag)
 # It's OK to check for header files.  Although the compiler may not be
 # able to link anything, it had better be able to at least compile
 # something.
-AC_CHECK_HEADERS(sys/file.h sys/param.h limits.h stdlib.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h)
+AC_CHECK_HEADERS(sys/file.h sys/param.h limits.h stdlib.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h alloca.h)
 AC_HEADER_SYS_WAIT
 AC_HEADER_TIME