From ccb0306506bf5bf400ddbb60a9ddc7bd507e8d1e Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Fri, 22 Feb 2019 12:46:26 +1100
Subject: [PATCH] initial import

---
 .gitignore |  2 ++
 init.py    | 57 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 59 insertions(+)
 create mode 100644 .gitignore
 create mode 100755 init.py

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..70a618f
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+/debug
+/release
diff --git a/init.py b/init.py
new file mode 100755
index 0000000..31b9f9a
--- /dev/null
+++ b/init.py
@@ -0,0 +1,57 @@
+#!/usr/bin/env python3
+
+import sys
+import os
+import itertools
+
+
+OPTIONS = {
+    # compiler
+    'gcc':   {'vars': {'CMAKE_CXX_COMPILER': 'g++',     'CMAKE_C_COMPILER': 'gcc'}},
+    'clang': {'vars': {'CMAKE_CXX_COMPILER': 'clang++', 'CMAKE_C_COMPILER': 'clang'}},
+
+    # profile
+    'debug':   {'vars': {'CMAKE_BUILD_TYPE': 'Debug',   'LTO': 'OFF'}, 'args': ['-G', '"Unix Makefiles"']},
+    'release': {'vars': {'CMAKE_BUILD_TYPE': 'Release', 'LTO': 'ON'}},
+
+    # sanitizer
+    'sanitizer': {'vars': {'SANITIZER': 'ON'}, 'require': {'PROFILE': 'release'}},
+
+    # Default parameters
+    '': {
+        'vars': {
+            "CMAKE_EXPORT_COMPILE_COMMANDS": "ON",
+            "TESTS": "ON",
+        },
+
+        'args': ['-G', 'Ninja'],
+    },
+}
+
+
+def split_all_path(path):
+    parts = []
+
+    while len(path) > 1:
+        head,tail = os.path.split(path)
+        yield tail
+        path = head
+
+
+if __name__ == '__main__':
+    accumulated = []
+
+    components = ['']
+    components += sys.argv[1:]
+    components += itertools.takewhile(lambda x: x in OPTIONS, split_all_path(os.getcwd()))
+
+    for key in components:
+        obj = OPTIONS[key]
+
+        vars = obj.get('vars', {})
+        args = obj.get('args', [])
+
+        accumulated += [f"-D{key}={val}" for key, val in vars.items()]
+        accumulated += args
+
+    print("cmake ../../../ " + " ".join(accumulated))