BSD/OS (bsdi) hints update by Timur I. Bakeyev and Todd C. Miller,

[p5sagit/p5-mst-13.2.git] / hints / os390.sh

diff --git a/hints/os390.sh b/hints/os390.sh
index 1cf945d..d6f6821 100644 (file)
--- a/hints/os390.sh
+++ b/hints/os390.sh
@@ -17,6 +17,8 @@
 # To get ANSI C, we need to use c89, and ld doesn't exist
 cc='c89'
 ld='c89'
+# To link via definition side decks we need the dll option
+cccdlflags='-W 0,dll,"langlvl(extended)"'
 # c89 hides most of the useful header stuff, _ALL_SOURCE turns it on again,
 # YYDYNAMIC ensures that the OS/390 yacc generated parser is reentrant.
 # -DEBCDIC should come from Configure.
@@ -54,3 +56,54 @@ case "$archname" in
 esac
 
 archobjs=ebcdic.o
+
+# We have our own cppstdin.
+echo 'cat >.$$.c; '"$cc"' -E -Wc,NOLOC ${1+"$@"} .$$.c; rm .$$.c' > cppstdin
+
+#
+# Note that Makefile.SH employs a bare yacc to generate 
+# perly.[hc] and a2p.[hc], hence you may wish to:
+#
+#    alias yacc='myyacc'
+#
+# Then if you would like to use myyacc and skip past the
+# following warnings try invoking Configure like so: 
+#
+#    sh Configure -Dbyacc=yacc
+#
+# This trick ought to work even if your yacc is byacc.
+#
+if test "X$byacc" = "Xbyacc" ; then
+    if test -e /etc/yyparse.c ; then
+        : we should be OK - perhaps do a test -r?
+    else
+        cat <<EOWARN >&4
+
+Warning.  You do not have a copy of yyparse.c, the default 
+yacc parser template file, in place in /etc.
+EOWARN
+        if test -e /samples/yyparse.c ; then
+            cat <<EOWARN >&4
+
+There does appear to be a template file in /samples though.
+Please run:
+
+      cp /samples/yyparse.c /etc
+
+before attempting to Configure the build of $package.
+
+EOWARN
+        else
+            cat <<EOWARN >&4
+
+There does not appear to be one in /samples either.  
+If you feel you can make use of an alternate yacc-like 
+parser generator then please read the comments in the
+hints/os390.sh file carefully.
+
+EOWARN
+        fi
+        exit 1
+    fi
+fi
+