* update_web_docs_old: Copy from update_web_docs. Add comment

[pf3gnuchains/gcc-fork.git] / libiberty / configure.in

diff --git a/libiberty/configure.in b/libiberty/configure.in
index 7fc4856..c35624e 100644 (file)
--- a/libiberty/configure.in
+++ b/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
 
@@ -132,7 +132,7 @@ AC_EGREP_HEADER(uintptr_t, sys/types.h,
 
 if test $libiberty_cv_uintptr_t = yes
 then
-  AC_DEFINE(HAVE_UINTPTR_T)
+  AC_DEFINE(HAVE_UINTPTR_T, 1, [Define if you have the \`uintptr_t' type.])
   AC_MSG_RESULT(yes)
 else
   AC_MSG_RESULT(no)
@@ -254,9 +254,9 @@ fi
 AC_SUBST(CHECK)
 
 case "${host}" in
-  *-*-cygwin*) 
-    AC_DEFINE(HAVE_SYS_ERRLIST)
-    AC_DEFINE(HAVE_SYS_NERR)
+  *-*-cygwin*)
+    AC_DEFINE_NOAUTOHEADER(HAVE_SYS_ERRLIST)
+    AC_DEFINE_NOAUTOHEADER(HAVE_SYS_NERR)
     ;;
 esac
 
@@ -340,6 +340,13 @@ if test -z "${setobjs}"; then
     libiberty_cv_var_sys_errlist=yes
     ;;
 
+  *-*-*vms*)
+    # Under VMS, vfork works very different than on Unix. The standard test 
+    # won't work, and it isn't easily adaptable. It makes more sense to
+    # just force it.
+    ac_cv_func_vfork_works=yes
+    ;;
+
   esac
 
   # We haven't set the list of objects yet.  Use the standard autoconf
@@ -351,6 +358,13 @@ if test -z "${setobjs}"; then
   if test $ac_cv_func_vfork_works = no; then
     LIBOBJS="$LIBOBJS vfork.o"
   fi
+  # We only need _doprnt if we might use it to implement v*printf.
+  if test $ac_cv_func_vprintf != yes \
+     || test $ac_cv_func_vfprintf != yes \
+     || test $ac_cv_func_vsprintf != yes; then
+    AC_REPLACE_FUNCS(_doprnt)
+  fi
+
   for v in $vars; do
     AC_MSG_CHECKING([for $v])
     AC_CACHE_VAL(libiberty_cv_var_$v,