From 05440e4d62f9b0c242c1c040cb864ffe49a6908d Mon Sep 17 00:00:00 2001
From: Robert Ou <rqou@robertou.com>
Date: Wed, 15 Nov 2017 03:13:35 -0800
Subject: Fix up build system to work with emscripten

---
 config.mk | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

(limited to 'config.mk')

diff --git a/config.mk b/config.mk
index d6daca6..7b3b494 100644
--- a/config.mk
+++ b/config.mk
@@ -6,12 +6,18 @@ PKG_CONFIG ?= pkg-config
 
 C_STD ?= c99
 CXX_STD ?= c++11
+ifeq ($(EMCC),1)
+OPT_LEVEL ?= 2
+DBG_LEVEL ?=
+else
 OPT_LEVEL ?= 0
+DBG_LEVEL ?= -ggdb
+endif
 WARN_LEVEL ?= all
 
 LDLIBS = -lm -lstdc++
-CFLAGS += -MD -O$(OPT_LEVEL) -ggdb -W$(WARN_LEVEL) -std=$(C_STD) -I$(PREFIX)/include
-CXXFLAGS += -MD -O$(OPT_LEVEL) -ggdb -W$(WARN_LEVEL) -std=$(CXX_STD) -I$(PREFIX)/include
+CFLAGS += -MD -O$(OPT_LEVEL) $(DBG_LEVEL) -W$(WARN_LEVEL) -std=$(C_STD) -I$(PREFIX)/include
+CXXFLAGS += -MD -O$(OPT_LEVEL) $(DBG_LEVEL) -W$(WARN_LEVEL) -std=$(CXX_STD) -I$(PREFIX)/include
 
 DESTDIR ?=
 CHIPDB_SUBDIR ?= icebox
@@ -22,3 +28,12 @@ CXX = /usr/local/src/mxe/usr/bin/i686-w64-mingw32.static-gcc
 CC = $(CXX)
 PKG_CONFIG = /usr/local/src/mxe/usr/bin/i686-w64-mingw32.static-pkg-config
 endif
+
+ifeq ($(EMCC),1)
+EXE = .js
+CC = emcc
+CXX = emcc
+PREFIX = /
+LDFLAGS = -O2 --memory-init-file 0 -s TOTAL_MEMORY=64*1024*1024
+SUBDIRS = icebox icepack icemulti icepll icetime icebram
+endif
-- 
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