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[waf] Add --use-clang-cxx in prep for using clang C++ API

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This commit is contained in:
Fangrui Song 2017-12-28 21:42:33 -08:00
parent 6636617b4d
commit 5029173c8a
1 changed files with 33 additions and 1 deletions
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34
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@ -78,6 +78,8 @@ def options(opt):
grp = opt.add_option_group('Configuration options related to use of clang from the system (not recommended)')
grp.add_option('--use-system-clang', dest='use_system_clang', default=False, action='store_true',
help='enable use of clang from the system')
grp.add_option('--use-clang-cxx', dest='use_clang_cxx', default=False, action='store_true',
help='use clang C++ API')
grp.add_option('--bundled-clang', dest='bundled_clang', default='4.0.0',
help='bundled clang version, downloaded from https://releases.llvm.org/ , e.g. 4.0.0 5.0.1')
grp.add_option('--llvm-config', dest='llvm_config', default='llvm-config',
@ -145,6 +147,7 @@ def configure(ctx):
ctx.load('clang_compilation_database', tooldir='.')
ctx.env['use_system_clang'] = ctx.options.use_system_clang
ctx.env['use_clang_cxx'] = ctx.options.use_clang_cxx
ctx.env['llvm_config'] = ctx.options.llvm_config
ctx.env['bundled_clang'] = ctx.options.bundled_clang
def libname(lib):
@ -220,6 +223,8 @@ def configure(ctx):
def build(bld):
cc_files = bld.path.ant_glob(['src/*.cc', 'src/messages/*.cc'])
if bld.env['use_clang_cxx']:
cc_files += bld.path.ant_glob(['src/cxx/*.cc'])
lib = []
if sys.platform.startswith('linux'):
@ -237,6 +242,22 @@ def build(bld):
elif sys.platform == 'darwin':
lib.append('pthread')
if bld.env['use_clang_cxx']:
# -fno-rtti is required for object files using clang/llvm C++ API
# The order is derived by topological sorting LINK_LIBS in clang/lib/*/CMakeLists.txt
lib.append('clangAST')
lib.append('clangLex')
lib.append('clangBasic')
# The order is derived from llvm-config --libs core
lib.append('LLVMCore')
lib.append('LLVMBinaryFormat')
lib.append('LLVMSupport')
lib.append('LLVMDemangle')
lib.append('ncurses')
if bld.env['use_system_clang']:
if bld.env['llvm_config']:
# If --llvm-config is specified, set RPATH and use $bindir/bin/clang -###
@ -291,17 +312,28 @@ def build(bld):
pass
else:
rpath = bld.env['LIBPATH_clang']
#obj_type_printer = bld.objects(
# source='src/cxx/type_printer.cc',
# use='clang',
# cxxflags=['-fno-rtti'],
# includes=['libclang/'])
# https://waf.io/apidocs/tools/c_aliases.html#waflib.Tools.c_aliases.program
bld.program(
source=cc_files,
use='clang',
includes=[
#'libclang/',
'src/',
'third_party/',
'third_party/doctest/',
'third_party/loguru/',
'third_party/rapidjson/include/',
'third_party/sparsepp/'],
defines=['LOGURU_WITH_STREAMS=1',
defines=[#'_GLIBCXX_USE_CXX11_ABI=0', 'clang+llvm-$version-x86_64-linux-gnu-ubuntu-14.04' is pre CXX11_ABI
#'LOGURU_STACKTRACES=0',
'LOGURU_WITH_STREAMS=1',
'DEFAULT_RESOURCE_DIRECTORY="' + default_resource_directory + '"'],
lib=lib,
rpath=rpath,