diff --git a/README.md b/README.md
index e4f1d42..82507e4 100644
--- a/README.md
+++ b/README.md
@@ -164,6 +164,8 @@ rm -rf 5.hfs MacOSX10.11.sdk
 
 You may also need to symlink `/System/Library/Frameworks/Security.framework` to `/path/to/MacOSX10.11.sdk/System/Library/Frameworks/Security.framework` to have `darwinssl` be enabled during the build.
 
+A build of clang+llvm is downloaded for Ubuntu 16.04 and extracted, a port of cctools compiled with gcc and installed alongside, and the dependencies are build using that toolchain.
+
 ```
 cd ./depends
 make HOST="x86_64-apple-darwin11" DARWIN_SDK_PATH="/path/to/MacOSX10.11.sdk"
diff --git a/depends/Makefile b/depends/Makefile
index 0efa48b..db306f2 100644
--- a/depends/Makefile
+++ b/depends/Makefile
@@ -27,13 +27,14 @@ endif
 # mac build
 DARWIN_SDK_PATH ?= "$(CURDIR)/MacOSX10.11.sdk"
 DARWIN_CFLAGS = "-target $(HOST) -isysroot $(DARWIN_SDK_PATH) -mmacosx-version-min=10.8 -mlinker-version=253.9 -pipe -I$(PREFIX_DIR)include"
+DARWIN_CXXFLAGS = "-target $(HOST) -isysroot $(DARWIN_SDK_PATH) -mmacosx-version-min=10.8 -mlinker-version=253.9 -pipe -I$(PREFIX_DIR)include"
 DARWIN_LDFLAGS="-L$(TOOLCHAIN_BUILD_DIR)lib -L$(DARWIN_SDK_PATH)/usr/lib -L$(PREFIX_DIR)lib -Wl,-syslibroot $(DARWIN_SDK_PATH)"
 
 build_SHA256SUM = sha256sum -c
 
 build_env=
 ifeq ($(host_os), darwin)
-build_env=PATH="$(TOOLCHAIN_BUILD_DIR)bin:${PATH}" CC=clang CXX=clang++ CFLAGS=$(DARWIN_CFLAGS) LDFLAGS=$(DARWIN_LDFLAGS)
+build_env=PATH="$(TOOLCHAIN_BUILD_DIR)bin:${PATH}" CC=clang CXX=clang++ CFLAGS=$(DARWIN_CFLAGS) CXXFLAGS=$(DARWIN_CXXFLAGS) LDFLAGS=$(DARWIN_LDFLAGS)
 endif
 ifeq ($(HOST), i686-pc-linux-gnu)
 build_env=CFLAGS=-m32 CXXFLAGS=-m32 LDFLAGS=-m32
@@ -101,8 +102,7 @@ endef
 
 define extract_toolchain_file_build
 	mkdir -p "$(TOOLCHAIN_BUILD_DIR)"; \
-	tar xfv "$(DOWNLOAD_DIR)$($(1)_file_name)" -C "$(TOOLCHAIN_BUILD_DIR)" --strip-components=1; \
-	rm -f $(TOOLCHAIN_BUILD_DIR)lib/libc++abi.so
+	tar xfv "$(DOWNLOAD_DIR)$($(1)_file_name)" -C "$(TOOLCHAIN_BUILD_DIR)" --strip-components=1
 endef
 
 ifeq ($(host_os), darwin)
@@ -113,7 +113,7 @@ define build_darwin_toolchain
 	$(foreach package,cctools,$(call extract_toolchain_file,$(package));)
 	cd "$(TOOLCHAIN_SOURCE_DIR)cctools/cctools" && \
 	if test -f "./autogen.sh"; then ./autogen.sh; fi && \
-	PATH="$(TOOLCHAIN_BUILD_DIR)bin:${PATH}" CC=clang CXX=clang++ ./configure --prefix="$(TOOLCHAIN_BUILD_DIR)" --target="x86_64-apple-darwin11" || exit && \
+	./configure --prefix="$(TOOLCHAIN_BUILD_DIR)" --target="x86_64-apple-darwin11" || exit && \
 	make || exit && \
 	make install || exit && \
 	cd "$(CURDIR)"
diff --git a/depends/packages/clang.mk b/depends/packages/clang.mk
index 992af6d..c20d482 100644
--- a/depends/packages/clang.mk
+++ b/depends/packages/clang.mk
@@ -1,7 +1,7 @@
 package=clang
-$(package)_version=3.9.1
-$(package)_download_path=http://releases.llvm.org/$($(package)_version)/clang+llvm-$($(package)_version)-x86_64-linux-gnu-ubuntu-16.04.tar.xz
+$(package)_version=5.0.0
+$(package)_download_path=http://releases.llvm.org/$($(package)_version)/clang%2bllvm-$($(package)_version)-linux-x86_64-ubuntu16.04.tar.xz
 $(package)_file_name=$(package)-$($(package)_version).tar.gz
-$(package)_sha256_hash=99d1ffd4be8fd3331b4d2478ada7ee6ed352729bfe4a1070450cdb9a3ce8ef9b
+$(package)_sha256_hash=171968549a12d8cf1e308004a1c31450f663359731e1524b952665f80149284b
 $(package)_config_env=
 $(package)_config_opts=
diff --git a/depends/packages/gnutls.mk b/depends/packages/gnutls.mk
index 636000a..bb71d5b 100644
--- a/depends/packages/gnutls.mk
+++ b/depends/packages/gnutls.mk
@@ -1,6 +1,6 @@
 package=gnutls
 $(package)_version=3.5.8
-$(package)_download_path=ftp://ftp.gnutls.org/gcrypt/gnutls/v3.5/gnutls-$($(package)_version).tar.xz
+$(package)_download_path=https://www.gnupg.org/ftp/gcrypt/gnutls/v3.5/gnutls-$($(package)_version).tar.xz
 $(package)_file_name=$(package)-$($(package)_version).tar.xz
 $(package)_sha256_hash=0e97f243ae72b70307d684b84c7fe679385aa7a7a0e37e5be810193dcc17d4ff
 
diff --git a/depends/packages/libuv.mk b/depends/packages/libuv.mk
index 342501c..02abea5 100644
--- a/depends/packages/libuv.mk
+++ b/depends/packages/libuv.mk
@@ -1,6 +1,6 @@
 package=libuv
 $(package)_version=1.9.1
-$(package)_download_path=http://dist.libuv.org/dist/v$($(package)_version)/libuv-v$($(package)_version).tar.gz
+$(package)_download_path=https://dist.libuv.org/dist/v$($(package)_version)/libuv-v$($(package)_version).tar.gz
 $(package)_file_name=$(package)-$($(package)_version).tar.gz
 $(package)_sha256_hash=e83953782c916d7822ef0b94e8115ce5756fab5300cca173f0de5f5b0e0ae928
 $(package)_config_env=