diff --git a/base/cmake_package.py b/base/cmake_package.py
index ad83dfbfe..853c85b95 100644
--- a/base/cmake_package.py
+++ b/base/cmake_package.py
@@ -34,6 +34,9 @@ def configure(ctx, stage_args):
     else:
         conf_lines.append('-DCMAKE_BUILD_TYPE:STRING=Release')
 
+    if ctx.parameters['platform'] == 'Darwin':
+        conf_lines.append('-DCMAKE_OSX_DEPLOYMENT_TARGET:STRING=""')
+
     #cmake needs to be given all the dependency dirs as prefix paths
     #so that we search the hashdist directories before the system directories
     #CMake doesn't use the CPPFLAGS implicitly to find libraries
diff --git a/pkgs/cmake.yaml b/pkgs/cmake.yaml
index 4da397372..92d0a0620 100644
--- a/pkgs/cmake.yaml
+++ b/pkgs/cmake.yaml
@@ -1,12 +1,30 @@
 extends: [autotools_package]
 
+dependencies:
+  build: [curl]
+
 sources:
-- key: tar.gz:kcrzjtzo7wnjfxkbctv6fgmurgmezzxg
-  url: http://www.cmake.org/files/v3.2/cmake-3.2.0-rc1.tar.gz
+- key: tar.gz:vxuu43rwaodxivs7flwyqzsbkrbuit5x
+  url: http://www.cmake.org/files/v3.2/cmake-3.2.2.tar.gz
 
 build_stages:
+- when: platform == 'Darwin'
+  name: fix_deployment_target
+  after: prologue
+  before: configure
+  handler: bash
+  bash: |
+    unset MACOSX_DEPLOYMENT_TARGET
+
 - name: configure
-  extra: ['--parallel=${HASHDIST_CPU_COUNT}']
+  extra: ['--parallel=${HASHDIST_CPU_COUNT}',
+          #'--system-bzip2',
+          '--system-curl',
+          #'--system-expat',
+          #'--system-jsoncpp',
+          #'--system-libarchive',
+          #'--system-zlib',
+          ]
 
 when_build_dependency:
 - set: CMAKE
diff --git a/pkgs/csympy.yaml b/pkgs/csympy.yaml
index 5caa5577f..d12c127c1 100644
--- a/pkgs/csympy.yaml
+++ b/pkgs/csympy.yaml
@@ -12,6 +12,12 @@ defaults:
   relocatable: false
 
 build_stages:
+- name: cxx_flags
+  before: configure
+  handler: bash
+  bash: |
+    export CXXFLAGS="-Wa,-q"
+
 - name: configure
   extra: ['-D WITH_PYTHON:BOOL=ON',
           '-D PYTHON_INSTALL_PATH:PATH=$ARTIFACT/{{python_site_packages_rel}}']
diff --git a/pkgs/gcc/gcc.yaml b/pkgs/gcc/gcc.yaml
index 8710ab881..dd87891a9 100644
--- a/pkgs/gcc/gcc.yaml
+++ b/pkgs/gcc/gcc.yaml
@@ -22,6 +22,14 @@ build_stages:
       patch -up1 < _hashdist/rpath.patch
       sed -i "s|@@ARTIFACT@@|${ARTIFACT}|g" gcc/config/i386/gnu-user.h gcc/config/i386/gnu-user64.h
 
+  - when: platform == 'Darwin'
+    name: fix_object_h
+    before: configure
+    handler: bash
+    bash: |
+      mkdir -p "$ARTIFACT/include/dispatch"
+      sed 's+typedef void (\^dispatch_block_t)(void)+typedef void* dispatch_block_t+' /usr/include/dispatch/object.h > "$ARTIFACT/include/dispatch/object.h"
+
   - name: link_lib64_to_lib
     after: install
     handler: bash
diff --git a/pkgs/git.yaml b/pkgs/git.yaml
index 4e7be7d35..eb74dc449 100644
--- a/pkgs/git.yaml
+++ b/pkgs/git.yaml
@@ -4,12 +4,13 @@ dependencies:
   build: [curl, pcre, openssl, libiconv, gettext, expat, zlib, perl]
 
 sources:
-- key: tar.gz:xix6qfhhbgs5b4bu5pucba74477o2cez
-  url: http://www.kernel.org/pub/software/scm/git/git-2.3.0.tar.gz
+- key: tar.gz:2wghm2ua3bvf4gcgybghiymotc76yfmh
+  url: https://www.kernel.org/pub/software/scm/git/git-2.4.0.tar.gz
 
 defaults:
   # /bin/git contains hard-coded path
   relocatable: false
+  disable_crypto: false
 
 build_stages:
 
@@ -19,6 +20,13 @@ build_stages:
   bash: |
     export PERL_PATH="/usr/bin/env perl"
 
+- when: platform == 'Darwin' and disable_crypto
+  name: fix_crypto_compile_failure
+  before: configure
+  handler: bash
+  bash: |
+    export NO_APPLE_COMMON_CRYPTO=1
+
 - name: configure
   mode: override
   extra: ['--with-libpcre=${PCRE_DIR}', '--with-zlib=${ZLIB_DIR}', '--with-iconv=${LIBICONV_DIR}', '--with-expat=${EXPAT_DIR}', '--with-curl=${CURL_DIR}']
diff --git a/pkgs/ncurses/ncurses.yaml b/pkgs/ncurses/ncurses.yaml
index f1ad68afd..f12240d83 100644
--- a/pkgs/ncurses/ncurses.yaml
+++ b/pkgs/ncurses/ncurses.yaml
@@ -1,8 +1,8 @@
 extends: [autotools_package]
 
 sources:
-  - url: http://ftp.gnu.org/pub/gnu/ncurses/ncurses-5.9.tar.gz
-    key: tar.gz:sbdctd5uiazezhkbgxwou6dz77wykrw5
+  - key: git:690232d93fc4ac57f0c9a484cc5781e8d1fe1fae
+    url: https://github.com/certik/ncurses
 
 defaults:
   relocatable: false