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Require c++17 support

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This commit is contained in:
Artem Pavlenko 2020-09-10 15:56:38 +01:00
parent d6d69df498
commit 5629a6fb6f
1 changed files with 13 additions and 13 deletions
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@ -56,8 +56,8 @@ ICU_LIBS_DEFAULT='/usr/'
DEFAULT_CC = "cc"
DEFAULT_CXX = "c++"
DEFAULT_CXX14_CXXFLAGS = " -std=c++14 -DU_USING_ICU_NAMESPACE=0"
DEFAULT_CXX14_LINKFLAGS = ""
DEFAULT_CXX17_CXXFLAGS = " -std=c++17 -DU_USING_ICU_NAMESPACE=0"
DEFAULT_CXX17_LINKFLAGS = ""
if sys.platform == 'darwin':
# homebrew default
ICU_INCLUDES_DEFAULT='/usr/local/opt/icu4c/include/'
@ -1227,14 +1227,14 @@ int main()
context.Result(ret)
return ret
def supports_cxx14(context,silent=False):
def supports_cxx17(context,silent=False):
if not silent:
context.Message('Checking if compiler (%s) supports -std=c++14 flag... ' % context.env.get('CXX','CXX'))
context.Message('Checking if compiler (%s) supports -std=c++17 flag... ' % context.env.get('CXX','CXX'))
ret, out = context.TryRun("""
int main()
{
#if __cplusplus >= 201402L
#if __cplusplus >= 201703L
return 0;
#else
return -1;
@ -1270,7 +1270,7 @@ conf_tests = { 'prioritize_paths' : prioritize_paths,
'harfbuzz_with_freetype_support': harfbuzz_with_freetype_support,
'boost_regex_has_icu' : boost_regex_has_icu,
'sqlite_has_rtree' : sqlite_has_rtree,
'supports_cxx14' : supports_cxx14,
'supports_cxx17' : supports_cxx17,
'CheckBoostScopedEnum' : CheckBoostScopedEnum,
}
@ -1414,13 +1414,13 @@ if not preconfigured:
# set any custom cxxflags and ldflags to come first
if sys.platform == 'darwin' and not env['HOST']:
DEFAULT_CXX14_CXXFLAGS += ' -stdlib=libc++'
DEFAULT_CXX14_LINKFLAGS = ' -stdlib=libc++'
DEFAULT_CXX17_CXXFLAGS += ' -stdlib=libc++'
DEFAULT_CXX17_LINKFLAGS = ' -stdlib=libc++'
env.Append(CPPDEFINES = env['CUSTOM_DEFINES'])
env.Append(CXXFLAGS = DEFAULT_CXX14_CXXFLAGS)
env.Append(CXXFLAGS = DEFAULT_CXX17_CXXFLAGS)
env.Append(CXXFLAGS = env['CUSTOM_CXXFLAGS'])
env.Append(CFLAGS = env['CUSTOM_CFLAGS'])
env.Append(LINKFLAGS = DEFAULT_CXX14_LINKFLAGS)
env.Append(LINKFLAGS = DEFAULT_CXX17_LINKFLAGS)
custom_ldflags = env.ParseFlags(env['CUSTOM_LDFLAGS'])
env.Append(LINKFLAGS = custom_ldflags.pop('LINKFLAGS'),
@ -1600,9 +1600,9 @@ if not preconfigured:
if env['PRIORITIZE_LINKING']:
conf.prioritize_paths(silent=True)
# test for C++14 support, which is required
if not env['HOST'] and not conf.supports_cxx14():
color_print(1,"C++ compiler does not support C++14 standard (-std=c++14), which is required. Please upgrade your compiler")
# test for C++17 support, which is required
if not env['HOST'] and not conf.supports_cxx17():
color_print(1,"C++ compiler does not support C++17 standard (-std=c++17), which is required. Please upgrade your compiler")
Exit(1)
if not env['HOST']: