Conda-build

Bug fixes:
----------

* Clean up lock files for temporary directories also

Contributors:
-------------

* msarahan

Enhancements:
-------------

* add libgcc to build dependencies for R skeleton recipes that require compilation $1969

Bug fixes:
----------

* fix entry points, test commands, test imports from top-level recipe from applying to subpackages 1933
* fix preferred_env in index.json 1941
* do not add python.app to run_reqs multiple times 1981
* Fix $ORIGIN replacement from extra trailing slash 1981
* Remove error when _license package exists in folder where ``conda index`` is called 2005
* fix STDLIB_DIR so that it is always defined (based on python version in configuration) 2006
* Clean up lock files after builds complete or fail to avoid permission errors 2007

Contributors:
-------------

* johanneskoester
* kalefranz
* mingwandroid
* msarahan

Enhancements:
-------------

* Inspect linkages will now warn when multiple packages contain the same library 1884, 1921

Bug fixes:
----------

* Fix bin/conda getting included in packages that also had entry point scripts or binaries starting with 'conda' 1923
* Fix empty create_env, for compatibility with conda 4.4 1924
* Adapt to Conda's new MatchSpec implementation 1927
* Fix unbound local variables when --no-locking option used. 1928
* Don't set language env vars (PERL, R, LUA, etc.) when packages for those languages are not installed 1930

Contributors:
-------------

* jjhelmus
* kalefranz
* msarahan

Enhancements:
-------------

* calculate checksum and simplify cran skeleton 1879
* backport usage of symlinks for speed from master branch 1881

Bug fixes:
----------

* fix import tests not being run, test this functionality 1897

Contributors:
-------------

* isuruf
* jjhelmus
* johanneskoester
* msarahan

Enhancements:
-------------

* use symlinks when copying files from files sources to improve performance 1867


Bug fixes:
----------


* reset build folder for each built package (fixes building multiple recipes in one command) 1842
* wrap copy of test/source_files so that errors don't prevent a successful build 1843
* Restore permissions when extracting from zipfiles 1855
* pass through several Windows-specific environment variables 1859, 1862
* python 2 os.environ string type compatibility fix 1861
* fix indentation breaking perl package testing 1872
* reduce scope of git try/except block so that GIT_FULL_HASH is available even if tags are not. 1873
* fix license family comparison, especially for public-domain 1875
* Remove python header being added to all run_test.* files 1876

Contributors:
-------------

* abretaud
* jjhelmus
* mingwandroid
* msarahan
* stuertz
* wulmer

Enhancements:
-------------

* pass WINDIR env var through on Windows 1837
* make long test prefix an option (default disabled) 1838


Bug fixes:
----------

* monkeypatch ensure_use_local to avoid conda-build import clobbering conda CLI arguments 1834
* Fix context conda_build attr error with older conda 1813
* Fix legacy noarch shebang replacement code to account for long prefix paths 1813
* properly initialize 'system' key in linkage inspecting 1839
* backport try mmap from master 1764
* fix wheel output not respecting --output-folder CLI argument 1838
* catch csv dialect sniffing error, try to fallback to to excel_tab. Might work? 1840


Contributors:
-------------

* kalefranz
* mcs07
* msarahan