gyp working

- generates valid xcode project
- generates valid Makefile
- doesn't generate ninja at all

.gitignore

@@ -13,3 +13,7 @@ results
 
 npm-debug.log
 node_modules
+deps
+build
+out
+*.xcodeproj

gyp_learnuv.py

@@ -0,0 +1,112 @@
+#!/usr/bin/env python
+
+import glob
+import platform
+import os
+import subprocess
+import sys
+
+try:
+  import multiprocessing.synchronize
+  gyp_parallel_support = True
+except ImportError:
+  gyp_parallel_support = False
+
+
+CC = os.environ.get('CC', 'cc')
+script_dir = os.path.dirname(__file__)
+learnuv_root = os.path.normpath(script_dir)
+uv_root = os.path.join(os.path.abspath(learnuv_root), 'deps', 'libuv')
+output_dir = os.path.join(os.path.abspath(learnuv_root), 'out')
+
+sys.path.insert(0, os.path.join(learnuv_root, 'build', 'gyp', 'pylib'))
+try:
+  import gyp
+except ImportError:
+  print('You need to install gyp in build/gyp first. See the README.')
+  sys.exit(42)
+
+
+def host_arch():
+  machine = platform.machine()
+  if machine == 'i386': return 'ia32'
+  if machine == 'x86_64': return 'x64'
+  if machine.startswith('arm'): return 'arm'
+  if machine.startswith('mips'): return 'mips'
+  return machine  # Return as-is and hope for the best.
+
+
+def compiler_version():
+  proc = subprocess.Popen(CC.split() + ['--version'], stdout=subprocess.PIPE)
+  is_clang = 'clang' in proc.communicate()[0].split('\n')[0]
+  proc = subprocess.Popen(CC.split() + ['-dumpversion'], stdout=subprocess.PIPE)
+  version = proc.communicate()[0].split('.')
+  version = map(int, version[:2])
+  version = tuple(version)
+  return (version, is_clang)
+
+
+def run_gyp(args):
+  rc = gyp.main(args)
+  if rc != 0:
+    print 'Error running GYP'
+    sys.exit(rc)
+
+
+if __name__ == '__main__':
+  args = sys.argv[1:]
+
+  # GYP bug.
+  # On msvs it will crash if it gets an absolute path.
+  # On Mac/make it will crash if it doesn't get an absolute path.
+  if sys.platform == 'win32':
+    args.append(os.path.join(learnuv_root, 'learnuv.gyp'))
+    common_fn  = os.path.join(uv_root, 'common.gypi')
+    options_fn = os.path.join(uv_root, 'options.gypi')
+    # we force vs 2010 over 2008 which would otherwise be the default for gyp
+    if not os.environ.get('GYP_MSVS_VERSION'):
+      os.environ['GYP_MSVS_VERSION'] = '2010'
+  else:
+    args.append(os.path.join(os.path.abspath(learnuv_root), 'learnuv.gyp'))
+    common_fn  = os.path.join(os.path.abspath(uv_root), 'common.gypi')
+    options_fn = os.path.join(os.path.abspath(uv_root), 'options.gypi')
+
+  if os.path.exists(common_fn):
+    args.extend(['-I', common_fn])
+
+  if os.path.exists(options_fn):
+    args.extend(['-I', options_fn])
+
+  args.append('--depth=' + learnuv_root)
+
+  # There's a bug with windows which doesn't allow this feature.
+  if sys.platform != 'win32':
+    if '-f' not in args:
+      args.extend('-f make'.split())
+    if 'eclipse' not in args and 'ninja' not in args:
+      args.extend(['-Goutput_dir=' + output_dir])
+      args.extend(['--generator-output', output_dir])
+    (major, minor), is_clang = compiler_version()
+    args.append('-Dgcc_version=%d' % (10 * major + minor))
+    args.append('-Dclang=%d' % int(is_clang))
+
+  if not any(a.startswith('-Dhost_arch=') for a in args):
+    args.append('-Dhost_arch=%s' % host_arch())
+
+  if not any(a.startswith('-Dtarget_arch=') for a in args):
+    args.append('-Dtarget_arch=%s' % host_arch())
+
+  if not any(a.startswith('-Duv_library=') for a in args):
+    args.append('-Duv_library=static_library')
+
+  if not any(a.startswith('-Dcomponent=') for a in args):
+    args.append('-Dcomponent=static_library')
+
+  # Some platforms (OpenBSD for example) don't have multiprocessing.synchronize
+  # so gyp must be run with --no-parallel
+  if not gyp_parallel_support:
+    args.append('--no-parallel')
+
+  gyp_args = list(args)
+  print gyp_args
+  run_gyp(gyp_args)

learnuv.gyp

@@ -0,0 +1,11 @@
+{
+  'targets': [
+    {
+      'target_name': 'learnuv_ex01',
+      'type': 'executable',
+      'dependencies': [ './deps/libuv/uv.gyp:libuv' ], 
+      'include_dirs': [ './src/ex01' ],
+      'sources' : [ './src/ex01/ex01_main.c' ]
+    }
+  ]
+}

package.json

@@ -4,11 +4,8 @@
     "description" : " Learn uv for fun and profit, a self guided workshop to the library that powers Node.js.",
     "main" : "index.js",
     "scripts" : {
-      "test-main" :  "tap test/*.js",
-      "test-0.8"  :  "nave use 0.8 npm run test-main",
-      "test-0.10" :  "nave use 0.10 npm run test-main",
-      "test-all": "npm run test-main && npm run test-0.8 && npm run test-0.10",
-      "test"      :  "if [ -e $TRAVIS ]; then npm run test-all; else npm run test-main; fi"
+      "clean": "rm -rf build && rm -rf deps",
+      "preinstall": "python scripts/install-dependencies.py"
     },
     "repository" : {
       "type" : "git",

scripts/install-dependencies.py

@@ -0,0 +1,30 @@
+#!/usr/bin/env python
+
+from subprocess import call
+import os
+
+script_dir = os.path.dirname(__file__)
+root_dir   = os.path.join(os.path.abspath(script_dir), '..')
+deps_dir   = os.path.join(root_dir, 'deps')
+libuv_dir  = os.path.join(deps_dir, 'libuv')
+build_dir  = os.path.join(root_dir, 'build')
+gyp_dir    = os.path.join(build_dir, 'gyp')
+
+def mkdirp(dir):
+    try:
+        os.mkdir(dir)
+    except OSError:
+        pass
+
+def run(cmd):
+    print '\033[0;32mlearnuv\033[0m executing: ' + cmd
+    os.system(cmd)
+
+# libuv
+mkdirp(deps_dir)
+## todo: This may not work with older git versions (http://stackoverflow.com/questions/20280726/how-to-git-clone-a-specific-tag)
+run('git clone --depth 1 --branch v1.0.0-rc1 https://github.com/joyent/libuv.git ' + libuv_dir)
+
+# gyp
+mkdirp(build_dir)
+run('git clone https://git.chromium.org/external/gyp.git ' + gyp_dir)

src/ex01/ex01_main.c

@@ -0,0 +1,23 @@
+#include <stdio.h>
+#include "uv.h"
+
+void idle_cb(uv_idle_t* handle) {
+  static int64_t count = -1;
+  count++;
+  if ((count % 10000) == 0) fprintf(stderr, ".");
+  if (count >= 10e6) uv_idle_stop(handle);
+}
+
+int main() {
+  uv_idle_t idle_handle;
+
+  uv_loop_t *loop = uv_default_loop();
+  uv_idle_init(loop, &idle_handle);
+  uv_idle_start(&idle_handle, idle_cb);
+
+  fprintf(stderr, "\nidling ...\n");
+  uv_run(loop, UV_RUN_DEFAULT);
+
+  return 0;
+}
+