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-rwxr-xr-xrun_project_tests.py15
1 files changed, 15 insertions, 0 deletions
diff --git a/run_project_tests.py b/run_project_tests.py
index f28744f..2bc7660 100755
--- a/run_project_tests.py
+++ b/run_project_tests.py
@@ -512,6 +512,21 @@ if __name__ == '__main__':
options = parser.parse_args()
setup_commands(options.backend)
+ # Appveyor sets the `platform` environment variable which completely messes
+ # up building with the vs2010 and vs2015 backends.
+ #
+ # Specifically, MSBuild reads the `platform` environment variable to set
+ # the configured value for the platform (Win32/x64/arm), which breaks x86
+ # builds.
+ #
+ # Appveyor setting this also breaks our 'native build arch' detection for
+ # Windows in environment.py:detect_windows_arch() by overwriting the value
+ # of `platform` set by vcvarsall.bat.
+ #
+ # While building for x86, `platform` should be unset.
+ if 'APPVEYOR' in os.environ and os.environ['arch'] == 'x86':
+ os.environ.pop('platform')
+
script_dir = os.path.split(__file__)[0]
if script_dir != '':
os.chdir(script_dir)