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-rw-r--r--absl/copts/AbseilConfigureCopts.cmake34
-rw-r--r--absl/copts/GENERATED_AbseilCopts.cmake130
-rw-r--r--absl/copts/GENERATED_copts.bzl131
-rw-r--r--absl/copts/configure_copts.bzl42
-rw-r--r--absl/copts/copts.py156
-rw-r--r--absl/copts/generate_copts.py107
6 files changed, 600 insertions, 0 deletions
diff --git a/absl/copts/AbseilConfigureCopts.cmake b/absl/copts/AbseilConfigureCopts.cmake
new file mode 100644
index 00000000..6fde7754
--- /dev/null
+++ b/absl/copts/AbseilConfigureCopts.cmake
@@ -0,0 +1,34 @@
+# See absl/copts/copts.py and absl/copts/generate_copts.py
+include(GENERATED_AbseilCopts)
+
+if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
+ set(ABSL_DEFAULT_COPTS "${GCC_FLAGS}")
+ set(ABSL_TEST_COPTS "${GCC_FLAGS};${GCC_TEST_FLAGS}")
+ set(ABSL_EXCEPTIONS_FLAG "${GCC_EXCEPTIONS_FLAGS}")
+elseif("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
+ # MATCHES so we get both Clang and AppleClang
+ set(ABSL_DEFAULT_COPTS "${LLVM_FLAGS}")
+ set(ABSL_TEST_COPTS "${LLVM_FLAGS};${LLVM_TEST_FLAGS}")
+ set(ABSL_EXCEPTIONS_FLAG "${LLVM_EXCEPTIONS_FLAGS}")
+elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
+ set(ABSL_DEFAULT_COPTS "${MSVC_FLAGS}")
+ set(ABSL_TEST_COPTS "${MSVC_FLAGS};${MSVC_TEST_FLAGS}")
+ set(ABSL_EXCEPTIONS_FLAG "${MSVC_EXCEPTIONS_FLAGS}")
+else()
+ message(WARNING "Unknown compiler: ${CMAKE_CXX_COMPILER}. Building with no default flags")
+ set(ABSL_DEFAULT_COPTS "")
+ set(ABSL_TEST_COPTS "")
+ set(ABSL_EXCEPTIONS_FLAG "")
+endif()
+
+# This flag is used internally for Bazel builds and is kept here for consistency
+set(ABSL_EXCEPTIONS_FLAG_LINKOPTS "")
+
+if("${CMAKE_CXX_STANDARD}" EQUAL 98)
+ message(FATAL_ERROR "Abseil requires at least C++11")
+elseif(NOT "${CMAKE_CXX_STANDARD}")
+ message(STATUS "No CMAKE_CXX_STANDARD set, assuming 11")
+ set(ABSL_CXX_STANDARD 11)
+else()
+ set(ABSL_CXX_STANDARD "${CMAKE_CXX_STANDARD}")
+endif() \ No newline at end of file
diff --git a/absl/copts/GENERATED_AbseilCopts.cmake b/absl/copts/GENERATED_AbseilCopts.cmake
new file mode 100644
index 00000000..e6678a4f
--- /dev/null
+++ b/absl/copts/GENERATED_AbseilCopts.cmake
@@ -0,0 +1,130 @@
+# GENERATED! DO NOT MANUALLY EDIT THIS FILE.
+#
+# (1) Edit absl/copts/copts.py.
+# (2) Run `python <path_to_absl>/copts/generate_copts.py`.
+
+list(APPEND GCC_EXCEPTIONS_FLAGS
+ "-fexceptions"
+)
+
+list(APPEND GCC_FLAGS
+ "-Wall"
+ "-Wextra"
+ "-Wcast-qual"
+ "-Wconversion-null"
+ "-Wmissing-declarations"
+ "-Woverlength-strings"
+ "-Wpointer-arith"
+ "-Wunused-local-typedefs"
+ "-Wunused-result"
+ "-Wvarargs"
+ "-Wvla"
+ "-Wwrite-strings"
+ "-Wno-sign-compare"
+)
+
+list(APPEND GCC_TEST_FLAGS
+ "-Wno-conversion-null"
+ "-Wno-missing-declarations"
+ "-Wno-sign-compare"
+ "-Wno-unused-function"
+ "-Wno-unused-parameter"
+ "-Wno-unused-private-field"
+)
+
+list(APPEND LLVM_EXCEPTIONS_FLAGS
+ "-fexceptions"
+)
+
+list(APPEND LLVM_FLAGS
+ "-Wall"
+ "-Wextra"
+ "-Weverything"
+ "-Wno-c++98-compat-pedantic"
+ "-Wno-conversion"
+ "-Wno-covered-switch-default"
+ "-Wno-deprecated"
+ "-Wno-disabled-macro-expansion"
+ "-Wno-double-promotion"
+ "-Wno-comma"
+ "-Wno-extra-semi"
+ "-Wno-packed"
+ "-Wno-padded"
+ "-Wno-sign-compare"
+ "-Wno-float-conversion"
+ "-Wno-float-equal"
+ "-Wno-format-nonliteral"
+ "-Wno-gcc-compat"
+ "-Wno-global-constructors"
+ "-Wno-exit-time-destructors"
+ "-Wno-nested-anon-types"
+ "-Wno-non-modular-include-in-module"
+ "-Wno-old-style-cast"
+ "-Wno-range-loop-analysis"
+ "-Wno-reserved-id-macro"
+ "-Wno-shorten-64-to-32"
+ "-Wno-switch-enum"
+ "-Wno-thread-safety-negative"
+ "-Wno-undef"
+ "-Wno-unknown-warning-option"
+ "-Wno-unreachable-code"
+ "-Wno-unused-macros"
+ "-Wno-weak-vtables"
+ "-Wbitfield-enum-conversion"
+ "-Wbool-conversion"
+ "-Wconstant-conversion"
+ "-Wenum-conversion"
+ "-Wint-conversion"
+ "-Wliteral-conversion"
+ "-Wnon-literal-null-conversion"
+ "-Wnull-conversion"
+ "-Wobjc-literal-conversion"
+ "-Wno-sign-conversion"
+ "-Wstring-conversion"
+)
+
+list(APPEND LLVM_TEST_FLAGS
+ "-Wno-c99-extensions"
+ "-Wno-missing-noreturn"
+ "-Wno-missing-prototypes"
+ "-Wno-missing-variable-declarations"
+ "-Wno-null-conversion"
+ "-Wno-shadow"
+ "-Wno-shift-sign-overflow"
+ "-Wno-sign-compare"
+ "-Wno-unused-function"
+ "-Wno-unused-member-function"
+ "-Wno-unused-parameter"
+ "-Wno-unused-private-field"
+ "-Wno-unused-template"
+ "-Wno-used-but-marked-unused"
+ "-Wno-zero-as-null-pointer-constant"
+ "-Wno-gnu-zero-variadic-macro-arguments"
+)
+
+list(APPEND MSVC_EXCEPTIONS_FLAGS
+ "/U_HAS_EXCEPTIONS"
+ "/D_HAS_EXCEPTIONS=1"
+ "/EHsc"
+)
+
+list(APPEND MSVC_FLAGS
+ "/W3"
+ "/wd4005"
+ "/wd4068"
+ "/wd4180"
+ "/wd4244"
+ "/wd4267"
+ "/wd4800"
+ "/DNOMINMAX"
+ "/DWIN32_LEAN_AND_MEAN"
+ "/D_CRT_SECURE_NO_WARNINGS"
+ "/D_SCL_SECURE_NO_WARNINGS"
+ "/D_ENABLE_EXTENDED_ALIGNED_STORAGE"
+)
+
+list(APPEND MSVC_TEST_FLAGS
+ "/wd4018"
+ "/wd4101"
+ "/wd4503"
+)
diff --git a/absl/copts/GENERATED_copts.bzl b/absl/copts/GENERATED_copts.bzl
new file mode 100644
index 00000000..134797da
--- /dev/null
+++ b/absl/copts/GENERATED_copts.bzl
@@ -0,0 +1,131 @@
+"""GENERATED! DO NOT MANUALLY EDIT THIS FILE.
+
+(1) Edit absl/copts/copts.py.
+(2) Run `python <path_to_absl>/copts/generate_copts.py`.
+"""
+
+GCC_EXCEPTIONS_FLAGS = [
+ "-fexceptions",
+]
+
+GCC_FLAGS = [
+ "-Wall",
+ "-Wextra",
+ "-Wcast-qual",
+ "-Wconversion-null",
+ "-Wmissing-declarations",
+ "-Woverlength-strings",
+ "-Wpointer-arith",
+ "-Wunused-local-typedefs",
+ "-Wunused-result",
+ "-Wvarargs",
+ "-Wvla",
+ "-Wwrite-strings",
+ "-Wno-sign-compare",
+]
+
+GCC_TEST_FLAGS = [
+ "-Wno-conversion-null",
+ "-Wno-missing-declarations",
+ "-Wno-sign-compare",
+ "-Wno-unused-function",
+ "-Wno-unused-parameter",
+ "-Wno-unused-private-field",
+]
+
+LLVM_EXCEPTIONS_FLAGS = [
+ "-fexceptions",
+]
+
+LLVM_FLAGS = [
+ "-Wall",
+ "-Wextra",
+ "-Weverything",
+ "-Wno-c++98-compat-pedantic",
+ "-Wno-conversion",
+ "-Wno-covered-switch-default",
+ "-Wno-deprecated",
+ "-Wno-disabled-macro-expansion",
+ "-Wno-double-promotion",
+ "-Wno-comma",
+ "-Wno-extra-semi",
+ "-Wno-packed",
+ "-Wno-padded",
+ "-Wno-sign-compare",
+ "-Wno-float-conversion",
+ "-Wno-float-equal",
+ "-Wno-format-nonliteral",
+ "-Wno-gcc-compat",
+ "-Wno-global-constructors",
+ "-Wno-exit-time-destructors",
+ "-Wno-nested-anon-types",
+ "-Wno-non-modular-include-in-module",
+ "-Wno-old-style-cast",
+ "-Wno-range-loop-analysis",
+ "-Wno-reserved-id-macro",
+ "-Wno-shorten-64-to-32",
+ "-Wno-switch-enum",
+ "-Wno-thread-safety-negative",
+ "-Wno-undef",
+ "-Wno-unknown-warning-option",
+ "-Wno-unreachable-code",
+ "-Wno-unused-macros",
+ "-Wno-weak-vtables",
+ "-Wbitfield-enum-conversion",
+ "-Wbool-conversion",
+ "-Wconstant-conversion",
+ "-Wenum-conversion",
+ "-Wint-conversion",
+ "-Wliteral-conversion",
+ "-Wnon-literal-null-conversion",
+ "-Wnull-conversion",
+ "-Wobjc-literal-conversion",
+ "-Wno-sign-conversion",
+ "-Wstring-conversion",
+]
+
+LLVM_TEST_FLAGS = [
+ "-Wno-c99-extensions",
+ "-Wno-missing-noreturn",
+ "-Wno-missing-prototypes",
+ "-Wno-missing-variable-declarations",
+ "-Wno-null-conversion",
+ "-Wno-shadow",
+ "-Wno-shift-sign-overflow",
+ "-Wno-sign-compare",
+ "-Wno-unused-function",
+ "-Wno-unused-member-function",
+ "-Wno-unused-parameter",
+ "-Wno-unused-private-field",
+ "-Wno-unused-template",
+ "-Wno-used-but-marked-unused",
+ "-Wno-zero-as-null-pointer-constant",
+ "-Wno-gnu-zero-variadic-macro-arguments",
+]
+
+MSVC_EXCEPTIONS_FLAGS = [
+ "/U_HAS_EXCEPTIONS",
+ "/D_HAS_EXCEPTIONS=1",
+ "/EHsc",
+]
+
+MSVC_FLAGS = [
+ "/W3",
+ "/wd4005",
+ "/wd4068",
+ "/wd4180",
+ "/wd4244",
+ "/wd4267",
+ "/wd4800",
+ "/DNOMINMAX",
+ "/DWIN32_LEAN_AND_MEAN",
+ "/D_CRT_SECURE_NO_WARNINGS",
+ "/D_SCL_SECURE_NO_WARNINGS",
+ "/D_ENABLE_EXTENDED_ALIGNED_STORAGE",
+]
+
+MSVC_TEST_FLAGS = [
+ "/wd4018",
+ "/wd4101",
+ "/wd4503",
+]
diff --git a/absl/copts/configure_copts.bzl b/absl/copts/configure_copts.bzl
new file mode 100644
index 00000000..57cd3f62
--- /dev/null
+++ b/absl/copts/configure_copts.bzl
@@ -0,0 +1,42 @@
+"""absl specific copts.
+
+This file simply selects the correct options from the generated files. To
+change Abseil copts, edit absl/copts/copts.py
+"""
+
+load(
+ "//absl:copts/GENERATED_copts.bzl",
+ "GCC_EXCEPTIONS_FLAGS",
+ "GCC_FLAGS",
+ "GCC_TEST_FLAGS",
+ "LLVM_EXCEPTIONS_FLAGS",
+ "LLVM_FLAGS",
+ "LLVM_TEST_FLAGS",
+ "MSVC_EXCEPTIONS_FLAGS",
+ "MSVC_FLAGS",
+ "MSVC_TEST_FLAGS",
+)
+
+ABSL_DEFAULT_COPTS = select({
+ "//absl:windows": MSVC_FLAGS,
+ "//absl:llvm_compiler": LLVM_FLAGS,
+ "//conditions:default": GCC_FLAGS,
+})
+
+# in absence of modules (--compiler=gcc or -c opt), cc_tests leak their copts
+# to their (included header) dependencies and fail to build outside absl
+ABSL_TEST_COPTS = ABSL_DEFAULT_COPTS + select({
+ "//absl:windows": MSVC_TEST_FLAGS,
+ "//absl:llvm_compiler": LLVM_TEST_FLAGS,
+ "//conditions:default": GCC_TEST_FLAGS,
+})
+
+ABSL_EXCEPTIONS_FLAG = select({
+ "//absl:windows": MSVC_EXCEPTIONS_FLAGS,
+ "//absl:llvm_compiler": LLVM_EXCEPTIONS_FLAGS,
+ "//conditions:default": GCC_EXCEPTIONS_FLAGS,
+})
+
+ABSL_EXCEPTIONS_FLAG_LINKOPTS = select({
+ "//conditions:default": [],
+})
diff --git a/absl/copts/copts.py b/absl/copts/copts.py
new file mode 100644
index 00000000..2fbba883
--- /dev/null
+++ b/absl/copts/copts.py
@@ -0,0 +1,156 @@
+"""Abseil compiler options.
+
+This is the source of truth for Abseil compiler options. To modify Abseil
+compilation options:
+
+ (1) Edit the appropriate list in this file.
+ (2) Run `python <path_to_absl>/copts/generate_copts.py`.
+
+The generated copts are consumed by configure_copts.bzl and
+AbseilConfigureCopts.cmake.
+"""
+
+import collections # absl:google-only(used for internal flags)
+
+COPT_VARS = {
+ "GCC_FLAGS": [
+ "-Wall",
+ "-Wextra",
+ "-Wcast-qual",
+ "-Wconversion-null",
+ "-Wmissing-declarations",
+ "-Woverlength-strings",
+ "-Wpointer-arith",
+ "-Wunused-local-typedefs",
+ "-Wunused-result",
+ "-Wvarargs",
+ "-Wvla", # variable-length array
+ "-Wwrite-strings",
+ # Google style does not use unsigned integers, though STL containers
+ # have unsigned types.
+ "-Wno-sign-compare",
+ ],
+ "GCC_TEST_FLAGS": [
+ "-Wno-conversion-null",
+ "-Wno-missing-declarations",
+ "-Wno-sign-compare",
+ "-Wno-unused-function",
+ "-Wno-unused-parameter",
+ "-Wno-unused-private-field",
+ ],
+ "GCC_EXCEPTIONS_FLAGS": ["-fexceptions"],
+
+ # Docs on single flags is preceded by a comment.
+ # Docs on groups of flags is preceded by ###.
+ "LLVM_FLAGS": [
+ "-Wall",
+ "-Wextra",
+ "-Weverything",
+ # Abseil does not support C++98
+ "-Wno-c++98-compat-pedantic",
+ # Turns off all implicit conversion warnings. Most are re-enabled below.
+ "-Wno-conversion",
+ "-Wno-covered-switch-default",
+ "-Wno-deprecated",
+ "-Wno-disabled-macro-expansion",
+ "-Wno-double-promotion",
+ ###
+ # Turned off as they include valid C++ code.
+ "-Wno-comma",
+ "-Wno-extra-semi",
+ "-Wno-packed",
+ "-Wno-padded",
+ ###
+ # Google style does not use unsigned integers, though STL containers
+ # have unsigned types.
+ "-Wno-sign-compare",
+ ###
+ "-Wno-float-conversion",
+ "-Wno-float-equal",
+ "-Wno-format-nonliteral",
+ # Too aggressive: warns on Clang extensions enclosed in Clang-only
+ # compilation paths.
+ "-Wno-gcc-compat",
+ ###
+ # Some internal globals are necessary. Don't do this at home.
+ "-Wno-global-constructors",
+ "-Wno-exit-time-destructors",
+ ###
+ "-Wno-nested-anon-types",
+ "-Wno-non-modular-include-in-module",
+ "-Wno-old-style-cast",
+ # Warns on preferred usage of non-POD types such as string_view
+ "-Wno-range-loop-analysis",
+ "-Wno-reserved-id-macro",
+ "-Wno-shorten-64-to-32",
+ "-Wno-switch-enum",
+ "-Wno-thread-safety-negative",
+ "-Wno-undef",
+ "-Wno-unknown-warning-option",
+ "-Wno-unreachable-code",
+ # Causes warnings on include guards
+ "-Wno-unused-macros",
+ "-Wno-weak-vtables",
+ ###
+ # Implicit conversion warnings turned off by -Wno-conversion
+ # which are re-enabled below.
+ "-Wbitfield-enum-conversion",
+ "-Wbool-conversion",
+ "-Wconstant-conversion",
+ "-Wenum-conversion",
+ "-Wint-conversion",
+ "-Wliteral-conversion",
+ "-Wnon-literal-null-conversion",
+ "-Wnull-conversion",
+ "-Wobjc-literal-conversion",
+ "-Wno-sign-conversion",
+ "-Wstring-conversion",
+ ],
+ "LLVM_TEST_FLAGS": [
+ "-Wno-c99-extensions",
+ "-Wno-missing-noreturn",
+ "-Wno-missing-prototypes",
+ "-Wno-missing-variable-declarations",
+ "-Wno-null-conversion",
+ "-Wno-shadow",
+ "-Wno-shift-sign-overflow",
+ "-Wno-sign-compare",
+ "-Wno-unused-function",
+ "-Wno-unused-member-function",
+ "-Wno-unused-parameter",
+ "-Wno-unused-private-field",
+ "-Wno-unused-template",
+ "-Wno-used-but-marked-unused",
+ "-Wno-zero-as-null-pointer-constant",
+ # gtest depends on this GNU extension being offered.
+ "-Wno-gnu-zero-variadic-macro-arguments",
+ ],
+ "LLVM_EXCEPTIONS_FLAGS": ["-fexceptions"],
+ # /Wall with msvc includes unhelpful warnings such as C4711, C4710, ...
+ "MSVC_FLAGS": [
+ "/W3",
+ "/wd4005", # macro-redefinition
+ "/wd4068", # unknown pragma
+ "/wd4180", # qualifier applied to function type has no meaning; ignored
+ "/wd4244", # conversion from 'type1' to 'type2', possible loss of data
+ "/wd4267", # conversion from 'size_t' to 'type', possible loss of data
+ # forcing value to bool 'true' or 'false' (performance warning)
+ "/wd4800",
+ "/DNOMINMAX", # Don't define min and max macros (windows.h)
+ # Don't bloat namespace with incompatible winsock versions.
+ "/DWIN32_LEAN_AND_MEAN",
+ # Don't warn about usage of insecure C functions.
+ "/D_CRT_SECURE_NO_WARNINGS",
+ "/D_SCL_SECURE_NO_WARNINGS",
+ # Introduced in VS 2017 15.8, allow overaligned types in aligned_storage
+ "/D_ENABLE_EXTENDED_ALIGNED_STORAGE",
+ ],
+ "MSVC_TEST_FLAGS": [
+ "/wd4018", # signed/unsigned mismatch
+ "/wd4101", # unreferenced local variable
+ "/wd4503", # decorated name length exceeded, name was truncated
+ ],
+ "MSVC_EXCEPTIONS_FLAGS": [
+ "/U_HAS_EXCEPTIONS", "/D_HAS_EXCEPTIONS=1", "/EHsc"
+ ]
+}
diff --git a/absl/copts/generate_copts.py b/absl/copts/generate_copts.py
new file mode 100644
index 00000000..5052e22a
--- /dev/null
+++ b/absl/copts/generate_copts.py
@@ -0,0 +1,107 @@
+"""Generate Abseil compile compile option configs.
+
+Usage: python absl/generate_copts.py
+
+The configs are generated from copts.py.
+"""
+
+from os import path
+import sys
+from copts import COPT_VARS
+
+
+# Helper functions
+def file_header_lines():
+ return [
+ "GENERATED! DO NOT MANUALLY EDIT THIS FILE.", "",
+ "(1) Edit absl/copts/copts.py.",
+ "(2) Run `python <path_to_absl>/copts/generate_copts.py`."
+ ]
+
+
+def flatten(*lists):
+ return [item for sublist in lists for item in sublist]
+
+
+def relative_filename(filename):
+ return path.join(path.dirname(__file__), filename)
+
+
+# Style classes. These contain all the syntactic styling needed to generate a
+# copt file for different build tools.
+class CMakeStyle(object):
+ """Style object for CMake copts file."""
+
+ def separator(self):
+ return ""
+
+ def list_introducer(self, name):
+ return "list(APPEND " + name
+
+ def list_closer(self):
+ return ")\n"
+
+ def docstring(self):
+ return "\n".join((("# " + line).strip() for line in file_header_lines()))
+
+ def filename(self):
+ return "GENERATED_AbseilCopts.cmake"
+
+
+class StarlarkStyle(object):
+ """Style object for Starlark copts file."""
+
+ def separator(self):
+ return ","
+
+ def list_introducer(self, name):
+ return name + " = ["
+
+ def list_closer(self):
+ return "]\n"
+
+ def docstring(self):
+ docstring_quotes = "\"\"\""
+ return docstring_quotes + "\n".join(
+ flatten(file_header_lines(), [docstring_quotes]))
+
+ def filename(self):
+ return "GENERATED_copts.bzl"
+
+
+# Copt file generation
+def copt_list(name, arg_list, style):
+ make_line = lambda s: " \"" + s + "\"" + style.separator()
+ external_str_list = [make_line(s) for s in arg_list]
+
+ return "\n".join(
+ flatten(
+ [style.list_introducer(name)],
+ external_str_list,
+ [style.list_closer()]))
+
+
+def generate_copt_file(style):
+ """Creates a generated copt file using the given style object.
+
+ Args:
+ style: either StarlarkStyle() or CMakeStyle()
+ """
+ with open(relative_filename(style.filename()), "w") as f:
+ f.write(style.docstring())
+ f.write("\n")
+ for var_name, arg_list in sorted(COPT_VARS.items()):
+ f.write("\n")
+ f.write(copt_list(var_name, arg_list, style))
+
+
+def main(argv):
+ if len(argv) > 1:
+ raise RuntimeError("generate_copts needs no command line args")
+
+ generate_copt_file(StarlarkStyle())
+ generate_copt_file(CMakeStyle())
+
+
+if __name__ == "__main__":
+ main(sys.argv)
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-07 00:24:56 +0000