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brettw@chromium.org authored
This is a reland of 236542 and 238454 (runs GN in GYP mode before actually running GYP), plus some additions Move GYP_DEFINES parsing to Python for GN. I pass in a GN-compatible list of variable sets on the command line from Python. This allows us to parse chromium.gyp_env and src/*/supplemental.gypi in Python like normal without having to duplicate Python dictionary parsing in GN. Currently, GN does not produce any files used by the build, these will be added in a second step. BUG=321352 TBR=bradnelson@google.com Review URL: https://codereview.chromium.org/101573004 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@238475 0039d316-1c4b-4281-b951-d872f2087c98
58775bc4
