From 571d5a3363f66b80d8983050168bc06d70357341 Mon Sep 17 00:00:00 2001
From: Andrew Scheller
Date: Wed, 16 Apr 2014 01:46:01 +0100
Subject: New config option MICROPY_FORCE_32BIT (defaulted to 0)

Makes it easier for 64-bit unix hosts to build 32-bit unix
binaries (for testing)
---
 unix/Makefile | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'unix/Makefile')

diff --git a/unix/Makefile b/unix/Makefile
index ac1baf3d0..07a75f7ad 100644
--- a/unix/Makefile
+++ b/unix/Makefile
@@ -20,6 +20,16 @@ else
     LDFLAGS = $(LDFLAGS_MOD) -lm -Wl,-Map=$@.map,--cref
  endif
 
+ifeq ($(MICROPY_FORCE_32BIT),1)
+CFLAGS += -m32
+LDFLAGS += -m32
+ifeq ($(MICROPY_MOD_FFI),1)
+ifeq ($(UNAME_S),Linux)
+CFLAGS_MOD += -I/usr/include/i686-linux-gnu
+endif
+endif
+endif
+
 ifeq ($(MICROPY_USE_READLINE),1)
 CFLAGS_MOD += -DMICROPY_USE_READLINE=1
 LDFLAGS_MOD += -lreadline
-- 
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