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ABI versioning macros for libc++.

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C++ macros and CMake options that specify the default ABI version of
the library, and can be overridden to pick up new ABI-changing
features.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@250254 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evgeniy Stepanov
2015-10-13 23:48:28 +00:00
parent b3b00818e5
commit 4f01aa8fb8
11 changed files with 85 additions and 12 deletions
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1
test/CMakeLists.txt
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@@ -13,6 +13,7 @@ pythonize_bool(LIBCXX_ENABLE_EXCEPTIONS)
pythonize_bool(LIBCXX_ENABLE_RTTI)
pythonize_bool(LIBCXX_ENABLE_SHARED)
pythonize_bool(LIBCXX_BUILD_32_BITS)
pythonize_bool(LIBCXX_ABI_UNSTABLE)
pythonize_bool(LIBCXX_ENABLE_GLOBAL_FILESYSTEM_NAMESPACE)
pythonize_bool(LIBCXX_ENABLE_STDIN)
pythonize_bool(LIBCXX_ENABLE_STDOUT)

10
test/libcxx/test/config.py
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@@ -387,6 +387,7 @@ class Configuration(object):
# Configure feature flags.
self.configure_compile_flags_exceptions()
self.configure_compile_flags_rtti()
self.configure_compile_flags_abi_version()
self.configure_compile_flags_no_global_filesystem_namespace()
self.configure_compile_flags_no_stdin()
self.configure_compile_flags_no_stdout()
@@ -440,6 +441,15 @@ class Configuration(object):
self.config.available_features.add('libcpp-no-rtti')
self.cxx.compile_flags += ['-fno-rtti', '-D_LIBCPP_NO_RTTI']
def configure_compile_flags_abi_version(self):
abi_version = self.get_lit_conf('abi_version', '').strip()
abi_unstable = self.get_lit_bool('abi_unstable')
if abi_version:
self.cxx.compile_flags += ['-D_LIBCPP_ABI_VERSION=' + abi_version]
if abi_unstable:
self.config.available_features.add('libcpp-abi-unstable')
self.cxx.compile_flags += ['-D_LIBCPP_ABI_UNSTABLE']
def configure_compile_flags_no_global_filesystem_namespace(self):
enable_global_filesystem_namespace = self.get_lit_bool(
'enable_global_filesystem_namespace', True)

2
test/lit.site.cfg.in
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@@ -7,6 +7,8 @@ config.enable_exceptions = "@LIBCXX_ENABLE_EXCEPTIONS@"
config.enable_rtti = "@LIBCXX_ENABLE_RTTI@"
config.enable_shared = "@LIBCXX_ENABLE_SHARED@"
config.enable_32bit = "@LIBCXX_BUILD_32_BITS@"
config.abi_version = "@LIBCXX_ABI_VERSION@"
config.abi_unstable = "@LIBCXX_ABI_UNSTABLE@"
config.enable_global_filesystem_namespace = "@LIBCXX_ENABLE_GLOBAL_FILESYSTEM_NAMESPACE@"
config.enable_stdin = "@LIBCXX_ENABLE_STDIN@"
config.enable_stdout = "@LIBCXX_ENABLE_STDOUT@"