Rely on C89 headers in U/perl/need_va_copy.U

diff --git a/U/perl/need_va_copy.U b/U/perl/need_va_copy.U
index 3c59949..51e6574 100644 (file)
--- a/U/perl/need_va_copy.U
+++ b/U/perl/need_va_copy.U
@@ -8,7 +8,7 @@
 ?RCS: that same Artistic License; a copy of which may be found at the root
 ?RCS: of the source tree for dist 3.0.
 ?RCS:
-?MAKE:need_va_copy: rm_try cat Compile i_stdarg i_stdlib run
+?MAKE:need_va_copy: rm_try cat Compile run
 ?MAKE: -pick add $@ %<
 ?S:need_va_copy:
 ?S:    This symbol, if defined, indicates that the system stores
@@ -34,15 +34,10 @@
 ?F:!try
 : see if we need va_copy
 echo " "
-case "$i_stdarg" in
-"$define")
-       $cat >try.c <<EOCP
+$cat >try.c <<EOCP
 #include <stdarg.h>
 #include <stdio.h>
-#$i_stdlib I_STDLIB
-#ifdef I_STDLIB
 #include <stdlib.h>
-#endif
 #include <signal.h>
 
 int
@@ -74,26 +69,21 @@ main(int ac, char **av)
   exit(0);
 }
 EOCP
-       set try
-       if eval $compile && $run ./try 2>&1 >/dev/null; then
-               case "`$run ./try`" in
-               "that's all right, then")
-                       okay=yes
-                       ;;
-               esac
-       fi
-       case "$okay" in
-       yes)    echo "It seems that you don't need va_copy()." >&4
-               need_va_copy="$undef"
-               ;;
-       *)      echo "It seems that va_copy() or similar will be needed." >&4
-               need_va_copy="$define"
+set try
+if eval $compile && $run ./try 2>&1 >/dev/null; then
+       case "`$run ./try`" in
+       "that's all right, then")
+               okay=yes
                ;;
        esac
-       $rm_try
-       ;;
-*)     echo "You don't have <stdarg.h>, not checking for va_copy()." >&4
+fi
+case "$okay" in
+yes)   echo "It seems that you don't need va_copy()." >&4
        need_va_copy="$undef"
        ;;
+*)     echo "It seems that va_copy() or similar will be needed." >&4
+       need_va_copy="$define"
+       ;;
 esac
+$rm_try