Remove libc++ and libc++abi 8.0.0 now that we switched to version 10.0.1

in the gnu/ directory.

1 files changed, 0 insertions, 218 deletions

diff --git a/lib/libcxx/utils/google-benchmark/src/commandlineflags.cc b/lib/libcxx/utils/google-benchmark/src/commandlineflags.cc
deleted file mode 100644
index 734e88bbec6..00000000000
--- a/lib/libcxx/utils/google-benchmark/src/commandlineflags.cc
+++ /dev/null
@@ -1,218 +0,0 @@
-// Copyright 2015 Google Inc. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#include "commandlineflags.h"
-
-#include <cctype>
-#include <cstdlib>
-#include <cstring>
-#include <iostream>
-#include <limits>
-
-namespace benchmark {
-// Parses 'str' for a 32-bit signed integer.  If successful, writes
-// the result to *value and returns true; otherwise leaves *value
-// unchanged and returns false.
-bool ParseInt32(const std::string& src_text, const char* str, int32_t* value) {
-  // Parses the environment variable as a decimal integer.
-  char* end = nullptr;
-  const long long_value = strtol(str, &end, 10);  // NOLINT
-
-  // Has strtol() consumed all characters in the string?
-  if (*end != '\0') {
-    // No - an invalid character was encountered.
-    std::cerr << src_text << " is expected to be a 32-bit integer, "
-              << "but actually has value \"" << str << "\".\n";
-    return false;
-  }
-
-  // Is the parsed value in the range of an Int32?
-  const int32_t result = static_cast<int32_t>(long_value);
-  if (long_value == std::numeric_limits<long>::max() ||
-      long_value == std::numeric_limits<long>::min() ||
-      // The parsed value overflows as a long.  (strtol() returns
-      // LONG_MAX or LONG_MIN when the input overflows.)
-      result != long_value
-      // The parsed value overflows as an Int32.
-  ) {
-    std::cerr << src_text << " is expected to be a 32-bit integer, "
-              << "but actually has value \"" << str << "\", "
-              << "which overflows.\n";
-    return false;
-  }
-
-  *value = result;
-  return true;
-}
-
-// Parses 'str' for a double.  If successful, writes the result to *value and
-// returns true; otherwise leaves *value unchanged and returns false.
-bool ParseDouble(const std::string& src_text, const char* str, double* value) {
-  // Parses the environment variable as a decimal integer.
-  char* end = nullptr;
-  const double double_value = strtod(str, &end);  // NOLINT
-
-  // Has strtol() consumed all characters in the string?
-  if (*end != '\0') {
-    // No - an invalid character was encountered.
-    std::cerr << src_text << " is expected to be a double, "
-              << "but actually has value \"" << str << "\".\n";
-    return false;
-  }
-
-  *value = double_value;
-  return true;
-}
-
-// Returns the name of the environment variable corresponding to the
-// given flag.  For example, FlagToEnvVar("foo") will return
-// "BENCHMARK_FOO" in the open-source version.
-static std::string FlagToEnvVar(const char* flag) {
-  const std::string flag_str(flag);
-
-  std::string env_var;
-  for (size_t i = 0; i != flag_str.length(); ++i)
-    env_var += static_cast<char>(::toupper(flag_str.c_str()[i]));
-
-  return "BENCHMARK_" + env_var;
-}
-
-// Reads and returns the Boolean environment variable corresponding to
-// the given flag; if it's not set, returns default_value.
-//
-// The value is considered true iff it's not "0".
-bool BoolFromEnv(const char* flag, bool default_value) {
-  const std::string env_var = FlagToEnvVar(flag);
-  const char* const string_value = getenv(env_var.c_str());
-  return string_value == nullptr ? default_value
-                                 : strcmp(string_value, "0") != 0;
-}
-
-// Reads and returns a 32-bit integer stored in the environment
-// variable corresponding to the given flag; if it isn't set or
-// doesn't represent a valid 32-bit integer, returns default_value.
-int32_t Int32FromEnv(const char* flag, int32_t default_value) {
-  const std::string env_var = FlagToEnvVar(flag);
-  const char* const string_value = getenv(env_var.c_str());
-  if (string_value == nullptr) {
-    // The environment variable is not set.
-    return default_value;
-  }
-
-  int32_t result = default_value;
-  if (!ParseInt32(std::string("Environment variable ") + env_var, string_value,
-                  &result)) {
-    std::cout << "The default value " << default_value << " is used.\n";
-    return default_value;
-  }
-
-  return result;
-}
-
-// Reads and returns the string environment variable corresponding to
-// the given flag; if it's not set, returns default_value.
-const char* StringFromEnv(const char* flag, const char* default_value) {
-  const std::string env_var = FlagToEnvVar(flag);
-  const char* const value = getenv(env_var.c_str());
-  return value == nullptr ? default_value : value;
-}
-
-// Parses a string as a command line flag.  The string should have
-// the format "--flag=value".  When def_optional is true, the "=value"
-// part can be omitted.
-//
-// Returns the value of the flag, or nullptr if the parsing failed.
-const char* ParseFlagValue(const char* str, const char* flag,
-                           bool def_optional) {
-  // str and flag must not be nullptr.
-  if (str == nullptr || flag == nullptr) return nullptr;
-
-  // The flag must start with "--".
-  const std::string flag_str = std::string("--") + std::string(flag);
-  const size_t flag_len = flag_str.length();
-  if (strncmp(str, flag_str.c_str(), flag_len) != 0) return nullptr;
-
-  // Skips the flag name.
-  const char* flag_end = str + flag_len;
-
-  // When def_optional is true, it's OK to not have a "=value" part.
-  if (def_optional && (flag_end[0] == '\0')) return flag_end;
-
-  // If def_optional is true and there are more characters after the
-  // flag name, or if def_optional is false, there must be a '=' after
-  // the flag name.
-  if (flag_end[0] != '=') return nullptr;
-
-  // Returns the string after "=".
-  return flag_end + 1;
-}
-
-bool ParseBoolFlag(const char* str, const char* flag, bool* value) {
-  // Gets the value of the flag as a string.
-  const char* const value_str = ParseFlagValue(str, flag, true);
-
-  // Aborts if the parsing failed.
-  if (value_str == nullptr) return false;
-
-  // Converts the string value to a bool.
-  *value = IsTruthyFlagValue(value_str);
-  return true;
-}
-
-bool ParseInt32Flag(const char* str, const char* flag, int32_t* value) {
-  // Gets the value of the flag as a string.
-  const char* const value_str = ParseFlagValue(str, flag, false);
-
-  // Aborts if the parsing failed.
-  if (value_str == nullptr) return false;
-
-  // Sets *value to the value of the flag.
-  return ParseInt32(std::string("The value of flag --") + flag, value_str,
-                    value);
-}
-
-bool ParseDoubleFlag(const char* str, const char* flag, double* value) {
-  // Gets the value of the flag as a string.
-  const char* const value_str = ParseFlagValue(str, flag, false);
-
-  // Aborts if the parsing failed.
-  if (value_str == nullptr) return false;
-
-  // Sets *value to the value of the flag.
-  return ParseDouble(std::string("The value of flag --") + flag, value_str,
-                     value);
-}
-
-bool ParseStringFlag(const char* str, const char* flag, std::string* value) {
-  // Gets the value of the flag as a string.
-  const char* const value_str = ParseFlagValue(str, flag, false);
-
-  // Aborts if the parsing failed.
-  if (value_str == nullptr) return false;
-
-  *value = value_str;
-  return true;
-}
-
-bool IsFlag(const char* str, const char* flag) {
-  return (ParseFlagValue(str, flag, true) != nullptr);
-}
-
-bool IsTruthyFlagValue(const std::string& value) {
-  if (value.empty()) return true;
-  char ch = value[0];
-  return isalnum(ch) &&
-         !(ch == '0' || ch == 'f' || ch == 'F' || ch == 'n' || ch == 'N');
-}
-}  // end namespace benchmark