56 lines
2.1 KiB
Diff
56 lines
2.1 KiB
Diff
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From 78a6e04ec1efc2dc839f0329dcff732940e27fd9 Mon Sep 17 00:00:00 2001
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From: Thomas Bechtold <tbechtold@suse.com>
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Date: Fri, 25 May 2018 07:08:05 +0200
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Subject: [PATCH 3/3] Allow building the python module with system cares
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When building the python module and using the new
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GRPC_PYTHON_BUILD_SYSTEM_CARES env variable, the third party cares code
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is not compiled. Instead, the cares shared library installed on the
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system is used during runtime.
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This is useful for distributions who don't want to include code copies
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but use shared libraries instead.
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---
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setup.py | 12 ++++++++++++
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1 file changed, 12 insertions(+)
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diff --git a/setup.py b/setup.py
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index 483d3ac168..43c25aafeb 100644
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--- a/setup.py
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+++ b/setup.py
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@@ -96,6 +96,12 @@ BUILD_WITH_SYSTEM_OPENSSL = os.environ.get('GRPC_PYTHON_BUILD_SYSTEM_OPENSSL',
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BUILD_WITH_SYSTEM_ZLIB = os.environ.get('GRPC_PYTHON_BUILD_SYSTEM_ZLIB',
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False)
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+# Export this variable to use the system installation of cares. You need to
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+# have the header files installed (in /usr/include/) and during
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+# runtime, the shared libary must be installed
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+BUILD_WITH_SYSTEM_CARES = os.environ.get('GRPC_PYTHON_BUILD_SYSTEM_CARES',
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+ False)
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+
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# Environment variable to determine whether or not to enable coverage analysis
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# in Cython modules.
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ENABLE_CYTHON_TRACING = os.environ.get(
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@@ -169,6 +175,10 @@ if BUILD_WITH_SYSTEM_ZLIB:
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CORE_C_FILES = filter(lambda x: 'third_party/zlib' not in x, CORE_C_FILES)
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ZLIB_INCLUDE = (os.path.join('/usr', 'include'),)
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+if BUILD_WITH_SYSTEM_CARES:
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+ CORE_C_FILES = filter(lambda x: 'third_party/cares' not in x, CORE_C_FILES)
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+ CARES_INCLUDE = (os.path.join('/usr', 'include'),)
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+
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EXTENSION_INCLUDE_DIRECTORIES = (
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(PYTHON_STEM,) + CORE_INCLUDE + SSL_INCLUDE + ZLIB_INCLUDE +
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CARES_INCLUDE + ADDRESS_SORTING_INCLUDE)
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@@ -184,6 +194,8 @@ if BUILD_WITH_SYSTEM_OPENSSL:
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EXTENSION_LIBRARIES += ('ssl', 'crypto',)
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if BUILD_WITH_SYSTEM_ZLIB:
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EXTENSION_LIBRARIES += ('z',)
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+if BUILD_WITH_SYSTEM_CARES:
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+ EXTENSION_LIBRARIES += ('cares',)
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DEFINE_MACROS = (
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('OPENSSL_NO_ASM', 1), ('_WIN32_WINNT', 0x600),
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--
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2.17.0
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