diff --git a/.gitignore b/.gitignore
index 4ecc081..e0bddba 100644
--- a/.gitignore
+++ b/.gitignore
@@ -78,3 +78,4 @@ venv/
 .project
 .tags*
 targets/*/docs/
+main
diff --git a/Makefile b/Makefile
index 296a268..c01b08f 100644
--- a/Makefile
+++ b/Makefile
@@ -16,9 +16,14 @@ src = $(wildcard pc/*.c) $(wildcard fido2/*.c) $(wildcard crypto/sha256/*.c) cry
 obj = $(src:.c=.o) uECC.o
 
 LIBCBOR = tinycbor/lib/libtinycbor.a
-LDFLAGS = -Wl,--gc-sections $(LIBCBOR)
-CFLAGS = -O2 -fdata-sections -ffunction-sections
-CFLAGS += -Wall -Werror
+
+ifeq ($(shell uname -s),Darwin)
+  export LDFLAGS = -Wl,-dead_strip
+else
+  export LDFLAGS = -Wl,--gc-sections
+endif
+LDFLAGS += $(LIBCBOR)
+CFLAGS = -O2 -fdata-sections -ffunction-sections 
 
 INCLUDES = -I./tinycbor/src -I./crypto/sha256 -I./crypto/micro-ecc/ -Icrypto/tiny-AES-c/ -I./fido2/ -I./pc -I./fido2/extensions
 
diff --git a/README.md b/README.md
index 1fdcdeb..2465d31 100644
--- a/README.md
+++ b/README.md
@@ -53,8 +53,11 @@ Clone solo and build it
 ```bash
 git clone --recurse-submodules https://github.com/SoloKeysSec/solo
 cd solo/
-make all
 
+git submodules init
+git submodules update
+
+make all
 ```
 
 This builds our FIDO 2.0 and the U2F authenticator, as well as making a virtualenv in venv/