Squashed 'waflib/' changes from 915dcb1..e7a29b6

e7a29b6 Upgrade to waf 2.0.15
8280f9d Add command for running executables from the build directory
8073c1a Make make_simple_dox() safe in case of exception
70d03b8 Avoid use of global counter hacks for configuration display
b7d689a Rewrite test framework
94deadf Automatically add options and move add_flags() to options context
f4259ee Reduce system include path noise
927b608 Automatically display configuration header
c44b8f3 Set line justification from a constant in the wscript
a48e26f Automatically detect if wscript has a test hook
ef66724 Save runtime variables in the environment
63bcbcd Clean up TestContext
b1d9505 Add ExecutionContext for setting runtime environment
387c1df Add show_diff() and test_file_equals() utilities
29d4d29 Fix in-tree library paths
9fde01f Add custom configuration context
6d3612f Add lib_path_name constant

git-subtree-dir: waflib
git-subtree-split: e7a29b6b9b2f842314244c23c14d8f8f560904e1

1 files changed, 24 insertions, 0 deletions

diff --git a/Tools/ar.py b/Tools/ar.py
new file mode 100644
index 0000000..b39b645
--- /dev/null
+++ b/Tools/ar.py
@@ -0,0 +1,24 @@
+#!/usr/bin/env python
+# encoding: utf-8
+# Thomas Nagy, 2006-2018 (ita)
+# Ralf Habacker, 2006 (rh)
+
+"""
+The **ar** program creates static libraries. This tool is almost always loaded
+from others (C, C++, D, etc) for static library support.
+"""
+
+from waflib.Configure import conf
+
+@conf
+def find_ar(conf):
+	"""Configuration helper used by C/C++ tools to enable the support for static libraries"""
+	conf.load('ar')
+
+def configure(conf):
+	"""Finds the ar program and sets the default flags in ``conf.env.ARFLAGS``"""
+	conf.find_program('ar', var='AR')
+	conf.add_os_flags('ARFLAGS')
+	if not conf.env.ARFLAGS:
+		conf.env.ARFLAGS = ['rcs']
+