From 7acf243286c74a67a0a3a80faff38572d430f160 Mon Sep 17 00:00:00 2001
From: Augustin Cavalier <waddlesplash@gmail.com>
Date: Mon, 30 Jun 2014 14:41:57 -0400
Subject: [PATCH] Make GYP work on Haiku.

---
 gyptest.py                  |  1 +
 pylib/gyp/common.py         |  7 +++++--
 pylib/gyp/generator/make.py | 13 ++++++++++++
 pylib/gyp/haiku_tool.py     | 49 +++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 68 insertions(+), 2 deletions(-)
 create mode 100644 pylib/gyp/haiku_tool.py

diff --git a/gyptest.py b/gyptest.py
index 8f3ee0f..88125b0 100755
--- a/gyptest.py
+++ b/gyptest.py
@@ -225,6 +225,7 @@ def main(argv=None):
       'linux2':   ['make', 'ninja'],
       'linux3':   ['make', 'ninja'],
       'darwin':   ['make', 'ninja', 'xcode'],
+      'haiku1':   ['make'],
     }[sys.platform]
 
   for format in format_list:
diff --git a/pylib/gyp/common.py b/pylib/gyp/common.py
index df71d97..8f2d888 100644
--- a/pylib/gyp/common.py
+++ b/pylib/gyp/common.py
@@ -420,12 +420,14 @@ def GetFlavor(params):
     return 'openbsd'
   if sys.platform.startswith('aix'):
     return 'aix'
+  if sys.platform.startswith('haiku'):
+    return 'haiku'
 
   return 'linux'
 
 
 def CopyTool(flavor, out_path):
-  """Finds (flock|mac|win)_tool.gyp in the gyp directory and copies it
+  """Finds (flock|mac|win|haiku)_tool.gyp in the gyp directory and copies it
   to |out_path|."""
   # aix and solaris just need flock emulation. mac and win use more complicated
   # support scripts.
@@ -433,7 +435,8 @@ def CopyTool(flavor, out_path):
       'aix': 'flock',
       'solaris': 'flock',
       'mac': 'mac',
-      'win': 'win'
+      'win': 'win',
+      'haiku': 'haiku',
       }.get(flavor, None)
   if not prefix:
     return
diff --git a/pylib/gyp/generator/make.py b/pylib/gyp/generator/make.py
index 8c31d10..a7db337 100644
--- a/pylib/gyp/generator/make.py
+++ b/pylib/gyp/generator/make.py
@@ -505,6 +505,13 @@ quiet_cmd_infoplist = INFOPLIST $@
 cmd_infoplist = $(CC.$(TOOLSET)) -E -P -Wno-trigraphs -x c $(INFOPLIST_DEFINES) "$<" -o "$@"
 """
 
+SHARED_HEADER_HAIKU_COMMANDS = """
+# gyp-haiku-tool is written next to the root Makefile by gyp.
+# Use $(4) for the command, since $(2) and $(3) are used as flag by do_cmd
+# already.
+quiet_cmd_haiku_tool = HAIKUTOOL $(4) $<
+cmd_haiku_tool = ./gyp-haiku-tool $(4) $< "$@"
+"""
 
 def WriteRootHeaderSuffixRules(writer):
   extensions = sorted(COMPILABLE_EXTENSIONS.keys(), key=str.lower)
@@ -2056,6 +2063,12 @@ def GenerateOutput(target_list, target_dicts, data, params):
         'flock': './gyp-flock-tool flock',
         'flock_index': 2,
     })
+  elif flavor == 'haiku':
+    header_params.update({
+        'flock': './gyp-haiku-tool flock',
+        'flock_index': 2,
+        'extra_commands': SHARED_HEADER_HAIKU_COMMANDS,
+    })
 
   header_params.update({
     'CC.target':   GetEnvironFallback(('CC_target', 'CC'), '$(CC)'),
diff --git a/pylib/gyp/haiku_tool.py b/pylib/gyp/haiku_tool.py
new file mode 100644
index 0000000..cf23ca5
--- /dev/null
+++ b/pylib/gyp/haiku_tool.py
@@ -0,0 +1,49 @@
+#!python
+# Copyright (c) 2011 Google Inc. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+"""These functions are executed via gyp-haiku-tool when using the Makefile
+generator."""
+
+import fcntl
+import os
+import struct
+import subprocess
+import sys
+
+
+def main(args):
+  executor = HaikuTool()
+  executor.Dispatch(args)
+
+
+class HaikuTool(object):
+  """This class performs all the Haiku tooling steps. The methods can either be
+  executed directly, or dispatched from an argument list."""
+
+  def Dispatch(self, args):
+    """Dispatches a string command to a method."""
+    if len(args) < 1:
+      raise Exception("Not enough arguments")
+
+    method = "Exec%s" % self._CommandifyName(args[0])
+    getattr(self, method)(*args[1:])
+
+  def _CommandifyName(self, name_string):
+    """Transforms a tool name like copy-info-plist to CopyInfoPlist"""
+    return name_string.title().replace('-', '')
+
+  def ExecFlock(self, lockfile, *cmd_list):
+    """Emulates the most basic behavior of Linux's flock(1)."""
+    # Rely on exception handling to report errors.
+    fd = os.open(lockfile, os.O_RDONLY|os.O_NOCTTY|os.O_CREAT, 0o666)
+    fcntl.flock(fd, fcntl.LOCK_EX)
+    ret = subprocess.call(cmd_list)
+    # Haiki bug -- lock is not released on file close?
+    fcntl.flock(fd, fcntl.LOCK_UN)
+    return ret
+
+
+if __name__ == '__main__':
+  sys.exit(main(sys.argv[1:]))
-- 
1.8.3.4