[PATCH] allow using GNU make on BSDi

[Joe Orton]

Hi,

This copes with BSDi installations where the default make has been
replaced with GNU make:

--- configure.in        2001/02/18 15:52:12     1.228
+++ configure.in        2001/02/19 22:10:05
@@ -920,7 +920,13 @@
 dnl
 case "$host_alias" in
 *bsdi*)
-    INCLUDE_RULES=".include \"$apr_builders/rules.mk\""
+    # Check whether they've installed GNU make
+    if make --version > /dev/null 2>&1; then 
+       INCLUDE_RULES="include $apr_builders/rules.mk"
+    else
+       # BSDi make
+       INCLUDE_RULES=".include \"$apr_builders/rules.mk\""
+    fi
     ;;
 *)
     INCLUDE_RULES="include $apr_builders/rules.mk"