SCons: Refactor and cleanup warnings definition

(cherry picked from commits 97f116d36b
and 56f3aba7b2)
This commit is contained in:
Rémi Verschelde 2020-10-08 10:49:33 +02:00
parent 1a25a301db
commit f33ca5444a
No known key found for this signature in database
GPG key ID: C3336907360768E1
3 changed files with 15 additions and 13 deletions

View file

@ -362,7 +362,7 @@ if selected_platform in platform_list:
env.Prepend(CCFLAGS=["/std:c++14"])
# Configure compiler warnings
if env.msvc:
if env.msvc: # MSVC
# Truncations, narrowing conversions, signed/unsigned comparisons...
disable_nonessential_warnings = ["/wd4267", "/wd4244", "/wd4305", "/wd4018", "/wd4800"]
if env["warnings"] == "extra":
@ -375,25 +375,23 @@ if selected_platform in platform_list:
env.Append(CCFLAGS=["/w"])
# Set exception handling model to avoid warnings caused by Windows system headers.
env.Append(CCFLAGS=["/EHsc"])
if env["werror"]:
env.Append(CCFLAGS=["/WX"])
# Force to use Unicode encoding
env.Append(MSVC_FLAGS=["/utf8"])
else: # Rest of the world
else: # GCC, Clang
version = methods.get_compiler_version(env) or [-1, -1]
shadow_local_warning = []
all_plus_warnings = ["-Wwrite-strings"]
gcc_common_warnings = []
if methods.using_gcc(env):
env.Append(CCFLAGS=["-Wno-misleading-indentation"])
gcc_common_warnings += ["-Wno-misleading-indentation"]
if version[0] >= 7:
shadow_local_warning = ["-Wshadow-local"]
gcc_common_warnings += ["-Wshadow-local"]
if env["warnings"] == "extra":
# Note: enable -Wimplicit-fallthrough for Clang (already part of -Wextra for GCC)
# once we switch to C++11 or later (necessary for our FALLTHROUGH macro).
env.Append(CCFLAGS=["-Wall", "-Wextra", "-Wno-unused-parameter"] + all_plus_warnings + shadow_local_warning)
env.Append(CCFLAGS=["-Wall", "-Wextra", "-Wwrite-strings", "-Wno-unused-parameter"] + gcc_common_warnings)
env.Append(CXXFLAGS=["-Wctor-dtor-privacy", "-Wnon-virtual-dtor"])
if methods.using_gcc(env):
env.Append(
@ -409,11 +407,12 @@ if selected_platform in platform_list:
if version[0] >= 9:
env.Append(CCFLAGS=["-Wattribute-alias=2"])
elif env["warnings"] == "all":
env.Append(CCFLAGS=["-Wall"] + shadow_local_warning)
env.Append(CCFLAGS=["-Wall"] + gcc_common_warnings)
elif env["warnings"] == "moderate":
env.Append(CCFLAGS=["-Wall", "-Wno-unused"] + shadow_local_warning)
env.Append(CCFLAGS=["-Wall", "-Wno-unused"] + gcc_common_warnings)
else: # 'no'
env.Append(CCFLAGS=["-w"])
if env["werror"]:
env.Append(CCFLAGS=["-Werror"])
else: # always enable those errors

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@ -78,6 +78,9 @@ def configure(env):
env["ENV"] = os.environ
vc_base_path = os.environ["VCTOOLSINSTALLDIR"] if "VCTOOLSINSTALLDIR" in os.environ else os.environ["VCINSTALLDIR"]
# Force to use Unicode encoding
env.AppendUnique(CCFLAGS=["/utf-8"])
# ANGLE
angle_root = os.getenv("ANGLE_SRC_PATH")
env.Prepend(CPPPATH=[angle_root + "/include"])

View file

@ -209,8 +209,8 @@ def configure_msvc(env, manual_msvc_config):
## Compile/link flags
env.AppendUnique(CCFLAGS=["/MT", "/Gd", "/GR", "/nologo"])
if int(env["MSVC_VERSION"].split(".")[0]) >= 14: # vs2015 and later
env.AppendUnique(CCFLAGS=["/utf-8"])
# Force to use Unicode encoding
env.AppendUnique(CCFLAGS=["/utf-8"])
env.AppendUnique(CXXFLAGS=["/TP"]) # assume all sources are C++
if manual_msvc_config: # should be automatic if SCons found it
if os.getenv("WindowsSdkDir") is not None: