From 2e8de3ff85a596a2d06ac59244658c1a9d84d7db Mon Sep 17 00:00:00 2001
From: Gabriel Scherer <gabriel.scherer@gmail.com>
Date: Thu, 10 Dec 2015 08:27:20 +0100
Subject: Makefile: a 'runtop' target to build and run the toplevel

Pass the content of the TOPFLAGS variable as additional arguments, eg.

  TOPFLAGS="-dparsetree" make runtop
---
 Makefile | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index 4899629ed0..0b62733671 100644
--- a/Makefile
+++ b/Makefile
@@ -334,6 +334,14 @@ ocaml: compilerlibs/ocamlcommon.cma compilerlibs/ocamlbytecomp.cma \
 partialclean::
 	rm -f ocaml
 
+RUNTOP=./byterun/ocamlrun ./ocaml -nostdlib -I stdlib -noinit $(TOPFLAGS)
+
+runtop:
+	$(MAKE) runtime
+	$(MAKE) coreall
+	$(MAKE) ocaml
+	@rlwrap --help 2>/dev/null && rlwrap $(RUNTOP) || $(RUNTOP)
+
 # The native toplevel
 
 ocamlnat: ocamlopt otherlibs/dynlink/dynlink.cmxa $(NATTOPOBJS:.cmo=.cmx)
-- 
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