From aa67cb24a7d82b74c938e769fb1fa56794efd8e1 Mon Sep 17 00:00:00 2001 From: Eric Gribkoff Date: Fri, 30 Nov 2018 10:40:39 -0800 Subject: Allow building only the Python/Cython code in setup.py via new flag --- setup.py | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) (limited to 'setup.py') diff --git a/setup.py b/setup.py index ae86e6c9fb..7bdfc99e24 100644 --- a/setup.py +++ b/setup.py @@ -87,6 +87,7 @@ CLASSIFIERS = [ # present, then it will still attempt to use Cython. BUILD_WITH_CYTHON = os.environ.get('GRPC_PYTHON_BUILD_WITH_CYTHON', False) + # Export this variable to use the system installation of openssl. You need to # have the header files installed (in /usr/include/openssl) and during # runtime, the shared library must be installed @@ -105,6 +106,21 @@ BUILD_WITH_SYSTEM_ZLIB = os.environ.get('GRPC_PYTHON_BUILD_SYSTEM_ZLIB', BUILD_WITH_SYSTEM_CARES = os.environ.get('GRPC_PYTHON_BUILD_SYSTEM_CARES', False) +# For local development use only: This skips building gRPC Core and its +# dependencies, including protobuf and boringssl. This allows "incremental" +# compilation by first building gRPC Core using make, then building only the +# Python/Cython layers here. +# +# Note that this requires libboringssl.a in the libs/{dbg,opt}/ directory, which +# may require configuring make to not use the system openssl implementation: +# +# make HAS_SYSTEM_OPENSSL_ALPN=0 +# +# TODO(ericgribkoff) Respect the BUILD_WITH_SYSTEM_* flags alongside this option +USE_PREBUILT_GRPC_CORE = os.environ.get( + 'GRPC_PYTHON_USE_PREBUILT_GRPC_CORE', False) + + # If this environmental variable is set, GRPC will not try to be compatible with # libc versions old than the one it was compiled against. DISABLE_LIBC_COMPATIBILITY = os.environ.get('GRPC_PYTHON_DISABLE_LIBC_COMPATIBILITY', False) @@ -249,7 +265,7 @@ def cython_extensions_and_necessity(): for name in CYTHON_EXTENSION_MODULE_NAMES] config = os.environ.get('CONFIG', 'opt') prefix = 'libs/' + config + '/' - if "darwin" in sys.platform: + if "darwin" in sys.platform or USE_PREBUILT_GRPC_CORE: extra_objects = [prefix + 'libares.a', prefix + 'libboringssl.a', prefix + 'libgpr.a', -- cgit v1.2.3