From a0046f2799e0665eec4393d45b8e18aada6b7b5c Mon Sep 17 00:00:00 2001
From: Michael Droettboom <mdboom@gmail.com>
Date: Wed, 18 Jul 2018 18:45:20 -0400
Subject: [PATCH 1/3] Fix #80: Delete emsdk if rerunning make

---
 emsdk/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/emsdk/Makefile b/emsdk/Makefile
index 28eae6d96..0f6eeeb99 100644
--- a/emsdk/Makefile
+++ b/emsdk/Makefile
@@ -4,6 +4,7 @@ all: emsdk/emsdk
 # run out of memory
 
 emsdk/emsdk:
+	if [ -d emsdk ]; then rm -rf emsdk; fi
 	git clone https://github.com/juj/emsdk.git
 	sed -i -e "s#CPU_CORES = max(multiprocessing.cpu_count()-1, 1)#CPU_CORES = 3#g" emsdk/emsdk
 	( \

From 6c2d77979fa6141417c6325289c57e75ad13811f Mon Sep 17 00:00:00 2001
From: Michael Droettboom <mdboom@gmail.com>
Date: Thu, 19 Jul 2018 07:53:37 -0400
Subject: [PATCH 2/3] Use a file, rather than a directory as the target for OSX
 compat

---
 Makefile       | 2 +-
 emsdk/Makefile | 7 ++++---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/Makefile b/Makefile
index b46055b4e..6e21db1cf 100644
--- a/Makefile
+++ b/Makefile
@@ -173,5 +173,5 @@ build/packages.json: $(CPYTHONLIB)
 	make -C packages
 
 
-emsdk/emsdk/emsdk:
+emsdk/emsdk/.complete:
 	make -C emsdk
diff --git a/emsdk/Makefile b/emsdk/Makefile
index 0f6eeeb99..594ecfcfe 100644
--- a/emsdk/Makefile
+++ b/emsdk/Makefile
@@ -1,9 +1,9 @@
-all: emsdk/emsdk
+all: emsdk/emsdk/.complete
 
 # We hack the CPU_CORES, because if you use all of the cores on Circle-CI, you
 # run out of memory
 
-emsdk/emsdk:
+emsdk/emsdk/.complete:
 	if [ -d emsdk ]; then rm -rf emsdk; fi
 	git clone https://github.com/juj/emsdk.git
 	sed -i -e "s#CPU_CORES = max(multiprocessing.cpu_count()-1, 1)#CPU_CORES = 3#g" emsdk/emsdk
@@ -17,7 +17,8 @@ emsdk/emsdk:
     make ; \
 	  cd ../.. ; \
     cp binaryen/tag-1.38.4/bin/binaryen.js binaryen/tag-1.38.4_64bit_binaryen/bin ; \
-		./emsdk activate --embedded --build=Release sdk-tag-1.38.4-64bit binaryen-tag-1.38.4-64bit \
+		./emsdk activate --embedded --build=Release sdk-tag-1.38.4-64bit binaryen-tag-1.38.4-64bit ; \
+    touch .complete \
 	)
 
 clean:

From e4f3ad147e00a52108f9e12f252c0fbe862212d9 Mon Sep 17 00:00:00 2001
From: Michael Droettboom <mdboom@gmail.com>
Date: Thu, 19 Jul 2018 11:24:36 -0400
Subject: [PATCH 3/3] Fix main Makefile

---
 Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 6e21db1cf..730eb5896 100644
--- a/Makefile
+++ b/Makefile
@@ -161,7 +161,7 @@ root/.built: \
 	touch root/.built
 
 
-$(CPYTHONLIB): emsdk/emsdk/emsdk
+$(CPYTHONLIB): emsdk/emsdk/emsdk/.complete
 	make -C $(CPYTHONROOT)
 
 
@@ -173,5 +173,5 @@ build/packages.json: $(CPYTHONLIB)
 	make -C packages
 
 
-emsdk/emsdk/.complete:
+emsdk/emsdk/emsdk/.complete:
 	make -C emsdk