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-rw-r--r--absl/algorithm/BUILD.bazel2
-rw-r--r--absl/base/BUILD.bazel3
-rw-r--r--absl/container/BUILD.bazel2
-rw-r--r--absl/container/inlined_vector.h76
-rw-r--r--absl/container/internal/hashtable_debug.h2
-rw-r--r--absl/container/internal/raw_hash_set.h2
-rw-r--r--absl/copts.bzl170
-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
-rw-r--r--absl/debugging/BUILD.bazel20
-rw-r--r--absl/debugging/CMakeLists.txt4
-rw-r--r--absl/hash/BUILD.bazel2
-rw-r--r--absl/memory/BUILD.bazel2
-rw-r--r--absl/meta/BUILD.bazel2
-rw-r--r--absl/meta/CMakeLists.txt58
-rw-r--r--absl/numeric/BUILD.bazel2
-rw-r--r--absl/numeric/CMakeLists.txt74
-rw-r--r--absl/numeric/int128.h4
-rw-r--r--absl/strings/BUILD.bazel2
-rw-r--r--absl/strings/internal/charconv_bigint.h14
-rw-r--r--absl/strings/internal/str_format/arg.h2
-rw-r--r--absl/strings/string_view.h8
-rw-r--r--absl/synchronization/BUILD.bazel3
-rw-r--r--absl/synchronization/internal/kernel_timeout.h4
-rw-r--r--absl/time/BUILD.bazel2
-rw-r--r--absl/time/internal/cctz/include/cctz/civil_time_detail.h10
-rw-r--r--absl/time/time.h6
-rw-r--r--absl/types/BUILD.bazel2
-rw-r--r--absl/utility/BUILD.bazel2
33 files changed, 744 insertions, 336 deletions
diff --git a/absl/algorithm/BUILD.bazel b/absl/algorithm/BUILD.bazel
index d04dc71206e8..4314ee86928d 100644
--- a/absl/algorithm/BUILD.bazel
+++ b/absl/algorithm/BUILD.bazel
@@ -15,7 +15,7 @@
 #
 
 load(
-    "//absl:copts.bzl",
+    "//absl:copts/configure_copts.bzl",
     "ABSL_DEFAULT_COPTS",
     "ABSL_TEST_COPTS",
 )
diff --git a/absl/base/BUILD.bazel b/absl/base/BUILD.bazel
index 4566c697cfdd..1c31211722c2 100644
--- a/absl/base/BUILD.bazel
+++ b/absl/base/BUILD.bazel
@@ -15,7 +15,7 @@
 #
 
 load(
-    "//absl:copts.bzl",
+    "//absl:copts/configure_copts.bzl",
     "ABSL_DEFAULT_COPTS",
     "ABSL_TEST_COPTS",
     "ABSL_EXCEPTIONS_FLAG",
@@ -230,7 +230,6 @@ cc_library(
     copts = ABSL_TEST_COPTS + ABSL_EXCEPTIONS_FLAG,
     linkopts = ABSL_EXCEPTIONS_FLAG_LINKOPTS,
     deps = [
-        ":base",
         ":config",
         ":pretty_function",
         "//absl/memory",
diff --git a/absl/container/BUILD.bazel b/absl/container/BUILD.bazel
index afc869f45aac..d0789923c34e 100644
--- a/absl/container/BUILD.bazel
+++ b/absl/container/BUILD.bazel
@@ -15,7 +15,7 @@
 #
 
 load(
-    "//absl:copts.bzl",
+    "//absl:copts/configure_copts.bzl",
     "ABSL_DEFAULT_COPTS",
     "ABSL_TEST_COPTS",
     "ABSL_EXCEPTIONS_FLAG",
diff --git a/absl/container/inlined_vector.h b/absl/container/inlined_vector.h
index 5f3f0095bca8..d044e31c25ad 100644
--- a/absl/container/inlined_vector.h
+++ b/absl/container/inlined_vector.h
@@ -774,6 +774,39 @@ class InlinedVector {
 
   bool allocated() const { return tag().allocated(); }
 
+  void ResetAllocation(Allocation new_allocation, size_type new_size) {
+    if (allocated()) {
+      Destroy(allocated_space(), allocated_space() + size());
+      assert(begin() == allocated_space());
+      allocation().Dealloc(allocator());
+      allocation() = new_allocation;
+    } else {
+      Destroy(inlined_space(), inlined_space() + size());
+      init_allocation(new_allocation);  // bug: only init once
+    }
+    tag().set_allocated_size(new_size);
+  }
+
+  template <typename... Args>
+  reference Construct(pointer p, Args&&... args) {
+    std::allocator_traits<allocator_type>::construct(
+        allocator(), p, std::forward<Args>(args)...);
+    return *p;
+  }
+
+  template <typename Iterator>
+  void UninitializedCopy(Iterator src, Iterator src_last, pointer dst) {
+    for (; src != src_last; ++dst, ++src) Construct(dst, *src);
+  }
+
+  template <typename... Args>
+  void UninitializedFill(pointer dst, pointer dst_last, const Args&... args) {
+    for (; dst != dst_last; ++dst) Construct(dst, args...);
+  }
+
+  // Destroy [`from`, `to`) in place.
+  void Destroy(pointer from, pointer to);
+
   // Enlarge the underlying representation so we can store `size_ + delta` elems
   // in allocated space. The size is not changed, and any newly added memory is
   // not initialized.
@@ -790,19 +823,6 @@ class InlinedVector {
   std::pair<iterator, iterator> ShiftRight(const_iterator position,
                                            size_type n);
 
-  void ResetAllocation(Allocation new_allocation, size_type new_size) {
-    if (allocated()) {
-      Destroy(allocated_space(), allocated_space() + size());
-      assert(begin() == allocated_space());
-      allocation().Dealloc(allocator());
-      allocation() = new_allocation;
-    } else {
-      Destroy(inlined_space(), inlined_space() + size());
-      init_allocation(new_allocation);  // bug: only init once
-    }
-    tag().set_allocated_size(new_size);
-  }
-
   template <typename... Args>
   reference GrowAndEmplaceBack(Args&&... args) {
     assert(size() == capacity());
@@ -825,25 +845,11 @@ class InlinedVector {
 
   void InitAssign(size_type n, const_reference v);
 
-  template <typename... Args>
-  reference Construct(pointer p, Args&&... args) {
-    std::allocator_traits<allocator_type>::construct(
-        allocator(), p, std::forward<Args>(args)...);
-    return *p;
-  }
-
   template <typename Iterator>
-  void UninitializedCopy(Iterator src, Iterator src_last, pointer dst) {
-    for (; src != src_last; ++dst, ++src) Construct(dst, *src);
-  }
-
-  template <typename... Args>
-  void UninitializedFill(pointer dst, pointer dst_last, const Args&... args) {
-    for (; dst != dst_last; ++dst) Construct(dst, args...);
-  }
+  void AssignRange(Iterator first, Iterator last, std::forward_iterator_tag);
 
-  // Destroy [`from`, `to`) in place.
-  void Destroy(pointer from, pointer to);
+  template <typename Iterator>
+  void AssignRange(Iterator first, Iterator last, std::input_iterator_tag);
 
   template <typename Iterator>
   void AppendRange(Iterator first, Iterator last, std::forward_iterator_tag);
@@ -851,12 +857,6 @@ class InlinedVector {
   template <typename Iterator>
   void AppendRange(Iterator first, Iterator last, std::input_iterator_tag);
 
-  template <typename Iterator>
-  void AssignRange(Iterator first, Iterator last, std::forward_iterator_tag);
-
-  template <typename Iterator>
-  void AssignRange(Iterator first, Iterator last, std::input_iterator_tag);
-
   iterator InsertWithCount(const_iterator position, size_type n,
                            const_reference v);
 
@@ -1244,7 +1244,7 @@ void InlinedVector<T, N, A>::EnlargeBy(size_type delta) {
   const size_type s = size();
   assert(s <= capacity());
 
-  size_type target = std::max(inlined_capacity(), s + delta);
+  size_type target = (std::max)(inlined_capacity(), s + delta);
 
   // Compute new capacity by repeatedly doubling current capacity
   // TODO(psrc): Check and avoid overflow?
@@ -1299,7 +1299,7 @@ auto InlinedVector<T, N, A>::ShiftRight(const_iterator position, size_type n)
     iterator pos = const_cast<iterator>(position);
     iterator raw_space = end();
     size_type slots_in_used_space = raw_space - pos;
-    size_type new_elements_in_used_space = std::min(n, slots_in_used_space);
+    size_type new_elements_in_used_space = (std::min)(n, slots_in_used_space);
     size_type new_elements_in_raw_space = n - new_elements_in_used_space;
     size_type old_elements_in_used_space =
         slots_in_used_space - new_elements_in_used_space;
diff --git a/absl/container/internal/hashtable_debug.h b/absl/container/internal/hashtable_debug.h
index c3bd65c9c4ec..38050c69f61f 100644
--- a/absl/container/internal/hashtable_debug.h
+++ b/absl/container/internal/hashtable_debug.h
@@ -60,7 +60,7 @@ std::vector<size_t> GetHashtableDebugNumProbesHistogram(const C& container) {
     size_t num_probes = GetHashtableDebugNumProbes(
         container,
         absl::container_internal::hashtable_debug_internal::GetKey<C>(*it, 0));
-    v.resize(std::max(v.size(), num_probes + 1));
+    v.resize((std::max)(v.size(), num_probes + 1));
     v[num_probes]++;
   }
   return v;
diff --git a/absl/container/internal/raw_hash_set.h b/absl/container/internal/raw_hash_set.h
index 575f1b007b44..029540d8d985 100644
--- a/absl/container/internal/raw_hash_set.h
+++ b/absl/container/internal/raw_hash_set.h
@@ -1363,7 +1363,7 @@ class raw_hash_set {
   void rehash(size_t n) {
     if (n == 0 && capacity_ == 0) return;
     if (n == 0 && size_ == 0) return destroy_slots();
-    auto m = NormalizeCapacity(std::max(n, NumSlotsFast(size())));
+    auto m = NormalizeCapacity((std::max)(n, NumSlotsFast(size())));
     // n == 0 unconditionally rehashes as per the standard.
     if (n == 0 || m > capacity_) {
       resize(m);
diff --git a/absl/copts.bzl b/absl/copts.bzl
deleted file mode 100644
index 49c4c9e0b7de..000000000000
--- a/absl/copts.bzl
+++ /dev/null
@@ -1,170 +0,0 @@
-"""absl specific copts.
-
-Flags specified here must not impact ABI. Code compiled with and without these
-opts will be linked together, and in some cases headers compiled with and
-without these options will be part of the same program.
-
-DO NOT CHANGE THIS FILE WITHOUT CHANGING THE SAME FLAG IN absl/CMake/AbseilConfigureCopts.cmake!!
-"""
-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",
-]
-
-# 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",
-]
-
-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
-    "/wd4800",  # forcing value to bool 'true' or 'false' (performance warning)
-    "/DNOMINMAX",  # Don't define min and max macros (windows.h)
-    "/DWIN32_LEAN_AND_MEAN",  # Don't bloat namespace with incompatible winsock versions.
-    "/D_CRT_SECURE_NO_WARNINGS",  # Don't warn about usage of insecure C functions.
-    "/D_SCL_SECURE_NO_WARNINGS",  # Don't warm when the compiler encounters a function or
-    # variable that is marked as deprecated (same as /wd4996).
-    "/D_ENABLE_EXTENDED_ALIGNED_STORAGE",  # Introduced in VS 2017 15.8,
-    # before the member type would non-conformingly have an alignment of only alignof(max_align_t).
-]
-
-MSVC_TEST_FLAGS = [
-    "/wd4018",  # signed/unsigned mismatch
-    "/wd4101",  # unreferenced local variable
-    "/wd4503",  # decorated name length exceeded, name was truncated
-]
-
-# /Wall with msvc includes unhelpful warnings such as C4711, C4710, ...
-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": ["/U_HAS_EXCEPTIONS", "/D_HAS_EXCEPTIONS=1", "/EHsc"],
-    "//conditions:default": ["-fexceptions"],
-})
-
-ABSL_EXCEPTIONS_FLAG_LINKOPTS = select({
-    "//conditions:default": [],
-})
diff --git a/absl/copts/AbseilConfigureCopts.cmake b/absl/copts/AbseilConfigureCopts.cmake
new file mode 100644
index 000000000000..6fde7754d109
--- /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 000000000000..e6678a4fb5aa
--- /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 000000000000..134797dad3fa
--- /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 000000000000..57cd3f62998b
--- /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 000000000000..2fbba8830978
--- /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 000000000000..5052e22ad7ce
--- /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)
diff --git a/absl/debugging/BUILD.bazel b/absl/debugging/BUILD.bazel
index a8ebaea445e0..84b994da31ee 100644
--- a/absl/debugging/BUILD.bazel
+++ b/absl/debugging/BUILD.bazel
@@ -15,7 +15,7 @@
 #
 
 load(
-    "//absl:copts.bzl",
+    "//absl:copts/configure_copts.bzl",
     "ABSL_DEFAULT_COPTS",
     "ABSL_TEST_COPTS",
 )
@@ -181,22 +181,8 @@ cc_test(
 
 cc_library(
     name = "leak_check",
-    srcs = select({
-        # The leak checking interface depends on weak function
-        # declarations that may not necessarily have definitions.
-        # Windows doesn't support this, and ios requires
-        # guaranteed definitions for weak symbols.
-        "//absl:ios": [],
-        "//absl:windows": [],
-        "//conditions:default": [
-            "leak_check.cc",
-        ],
-    }),
-    hdrs = select({
-        "//absl:ios": [],
-        "//absl:windows": [],
-        "//conditions:default": ["leak_check.h"],
-    }),
+    srcs = ["leak_check.cc"],
+    hdrs = ["leak_check.h"],
     deps = ["//absl/base:core_headers"],
 )
 
diff --git a/absl/debugging/CMakeLists.txt b/absl/debugging/CMakeLists.txt
index f66688ba5bf0..4c1fc50871b6 100644
--- a/absl/debugging/CMakeLists.txt
+++ b/absl/debugging/CMakeLists.txt
@@ -181,9 +181,9 @@ absl_cc_library(
   NAME
     leak_check
   HDRS
-    "$<$<NOT:$<CXX_COMPILER_ID:MSVC>>:leak_check.h>"
+    "leak_check.h"
   SRCS
-    "$<$<NOT:$<CXX_COMPILER_ID:MSVC>>:leak_check.cc>"
+    "leak_check.cc"
   COPTS
     ${ABSL_DEFAULT_COPTS}
   DEPS
diff --git a/absl/hash/BUILD.bazel b/absl/hash/BUILD.bazel
index 4f7c94ceb35a..5f24b99977c2 100644
--- a/absl/hash/BUILD.bazel
+++ b/absl/hash/BUILD.bazel
@@ -15,7 +15,7 @@
 #
 
 load(
-    "//absl:copts.bzl",
+    "//absl:copts/configure_copts.bzl",
     "ABSL_DEFAULT_COPTS",
     "ABSL_TEST_COPTS",
 )
diff --git a/absl/memory/BUILD.bazel b/absl/memory/BUILD.bazel
index 89a312eac4b1..c0da9ce1d843 100644
--- a/absl/memory/BUILD.bazel
+++ b/absl/memory/BUILD.bazel
@@ -15,7 +15,7 @@
 #
 
 load(
-    "//absl:copts.bzl",
+    "//absl:copts/configure_copts.bzl",
     "ABSL_DEFAULT_COPTS",
     "ABSL_TEST_COPTS",
     "ABSL_EXCEPTIONS_FLAG",
diff --git a/absl/meta/BUILD.bazel b/absl/meta/BUILD.bazel
index dbc9717ddd33..1c39fa98b635 100644
--- a/absl/meta/BUILD.bazel
+++ b/absl/meta/BUILD.bazel
@@ -1,5 +1,5 @@
 load(
-    "//absl:copts.bzl",
+    "//absl:copts/configure_copts.bzl",
     "ABSL_DEFAULT_COPTS",
     "ABSL_TEST_COPTS",
 )
diff --git a/absl/meta/CMakeLists.txt b/absl/meta/CMakeLists.txt
index adb0ceb754df..4358db578bb5 100644
--- a/absl/meta/CMakeLists.txt
+++ b/absl/meta/CMakeLists.txt
@@ -14,39 +14,37 @@
 # limitations under the License.
 #
 
-list(APPEND META_PUBLIC_HEADERS
-  "type_traits.h"
+absl_cc_library(
+  NAME
+    type_traits
+  HDRS
+    "type_traits.h"
+  COPTS
+    ${ABSL_DEFAULT_COPTS}
+  DEPS
+    absl::config
+  PUBLIC
 )
 
-
-#
-## TESTS
-#
-
-# test type_traits_test
-list(APPEND TYPE_TRAITS_TEST_SRC
-  "type_traits_test.cc"
-  ${META_PUBLIC_HEADERS}
-)
-
-absl_header_library(
-  TARGET
-    absl_meta
-  PUBLIC_LIBRARIES
-    absl::base
-  EXPORT_NAME
-    meta
- )
-
-absl_test(
-  TARGET
+absl_cc_test(
+  NAME
     type_traits_test
-  SOURCES
-    ${TYPE_TRAITS_TEST_SRC}
-  PUBLIC_LIBRARIES
+  SRCS
+    "type_traits_test.cc"
+  COPTS
+    ${ABSL_TEST_COPTS}
+  DEPS
+    absl::type_traits
     absl::base
-    absl::meta
+    absl::core_headers
+    gmock_main
 )
 
-
-
+# component target
+absl_cc_library(
+  NAME
+    meta
+  DEPS
+    absl::type_traits
+  PUBLIC
+)
diff --git a/absl/numeric/BUILD.bazel b/absl/numeric/BUILD.bazel
index 324ce6695e40..c906b8d750a5 100644
--- a/absl/numeric/BUILD.bazel
+++ b/absl/numeric/BUILD.bazel
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 load(
-    "//absl:copts.bzl",
+    "//absl:copts/configure_copts.bzl",
     "ABSL_DEFAULT_COPTS",
     "ABSL_TEST_COPTS",
 )
diff --git a/absl/numeric/CMakeLists.txt b/absl/numeric/CMakeLists.txt
index 3360b2ee726e..42468a6a6322 100644
--- a/absl/numeric/CMakeLists.txt
+++ b/absl/numeric/CMakeLists.txt
@@ -14,49 +14,45 @@
 # limitations under the License.
 #
 
-list(APPEND NUMERIC_PUBLIC_HEADERS
-  "int128.h"
-)
-
-
-# library 128
-list(APPEND INT128_SRC
-  "int128.cc"
-  ${NUMERIC_PUBLIC_HEADERS}
-)
-absl_library(
-  TARGET
-    absl_int128
-  SOURCES
-    ${INT128_SRC}
-  PUBLIC_LIBRARIES
-    ${INT128_PUBLIC_LIBRARIES}
-  EXPORT_NAME
+absl_cc_library(
+  NAME
     int128
+  HDRS
+    "int128.h"
+  SRCS
+    "int128.cc"
+    "int128_have_intrinsic.inc"
+    "int128_no_intrinsic.inc"
+  COPTS
+    ${ABSL_DEFAULT_COPTS}
+  DEPS
+    absl::config
+    absl::core_headers
+  PUBLIC
 )
 
-
-absl_header_library(
-  TARGET
-    absl_numeric
-  PUBLIC_LIBRARIES
+absl_cc_test(
+  NAME
+    int128_test
+  SRCS
+    "int128_stream_test.cc"
+    "int128_test.cc"
+  COPTS
+    ${ABSL_TEST_COPTS}
+  DEPS
     absl::int128
-  EXPORT_NAME
-    numeric
+    absl::base
+    absl::core_headers
+    absl::hash_testing
+    absl::type_traits
+    gmock_main
 )
 
-# test int128_test
-set(INT128_TEST_SRC "int128_test.cc")
-set(INT128_TEST_PUBLIC_LIBRARIES absl::numeric absl::base)
-
-absl_test(
-  TARGET
-    int128_test
-  SOURCES
-    ${INT128_TEST_SRC}
-  PUBLIC_LIBRARIES
-    ${INT128_TEST_PUBLIC_LIBRARIES}
+# component target
+absl_cc_library(
+  NAME
+    numeric
+  DEPS
+    absl::int128
+  PUBLIC
 )
-
-
-
diff --git a/absl/numeric/int128.h b/absl/numeric/int128.h
index 9c2e00f6d4a1..f9c83cafec40 100644
--- a/absl/numeric/int128.h
+++ b/absl/numeric/int128.h
@@ -271,9 +271,9 @@ class numeric_limits<absl::uint128> {
 #endif  // ABSL_HAVE_INTRINSIC_INT128
   static constexpr bool tinyness_before = false;
 
-  static constexpr absl::uint128 min() { return 0; }
+  static constexpr absl::uint128 (min)() { return 0; }
   static constexpr absl::uint128 lowest() { return 0; }
-  static constexpr absl::uint128 max() { return absl::Uint128Max(); }
+  static constexpr absl::uint128 (max)() { return absl::Uint128Max(); }
   static constexpr absl::uint128 epsilon() { return 0; }
   static constexpr absl::uint128 round_error() { return 0; }
   static constexpr absl::uint128 infinity() { return 0; }
diff --git a/absl/strings/BUILD.bazel b/absl/strings/BUILD.bazel
index 3b85f1b4624e..7635a6198abe 100644
--- a/absl/strings/BUILD.bazel
+++ b/absl/strings/BUILD.bazel
@@ -15,7 +15,7 @@
 #
 
 load(
-    "//absl:copts.bzl",
+    "//absl:copts/configure_copts.bzl",
     "ABSL_DEFAULT_COPTS",
     "ABSL_TEST_COPTS",
     "ABSL_EXCEPTIONS_FLAG",
diff --git a/absl/strings/internal/charconv_bigint.h b/absl/strings/internal/charconv_bigint.h
index 5c579437e521..9d1a1bffe175 100644
--- a/absl/strings/internal/charconv_bigint.h
+++ b/absl/strings/internal/charconv_bigint.h
@@ -103,12 +103,12 @@ class BigUnsigned {
         SetToZero();
         return;
       }
-      size_ = std::min(size_ + word_shift, max_words);
+      size_ = (std::min)(size_ + word_shift, max_words);
       count %= 32;
       if (count == 0) {
         std::copy_backward(words_, words_ + size_ - word_shift, words_ + size_);
       } else {
-        for (int i = std::min(size_, max_words - 1); i > word_shift; --i) {
+        for (int i = (std::min)(size_, max_words - 1); i > word_shift; --i) {
           words_[i] = (words_[i - word_shift] << count) |
                       (words_[i - word_shift - 1] >> (32 - count));
         }
@@ -267,7 +267,7 @@ class BigUnsigned {
   void MultiplyBy(int other_size, const uint32_t* other_words) {
     const int original_size = size_;
     const int first_step =
-        std::min(original_size + other_size - 2, max_words - 1);
+        (std::min)(original_size + other_size - 2, max_words - 1);
     for (int step = first_step; step >= 0; --step) {
       MultiplyStep(original_size, other_words, other_size, step);
     }
@@ -286,7 +286,7 @@ class BigUnsigned {
           value = 0;
         }
       }
-      size_ = std::min(max_words, std::max(index + 1, size_));
+      size_ = (std::min)(max_words, (std::max)(index + 1, size_));
     }
   }
 
@@ -309,7 +309,7 @@ class BigUnsigned {
       } else {
         // Normally 32-bit AddWithCarry() sets size_, but since we don't call
         // it when `high` is 0, do it ourselves here.
-        size_ = std::min(max_words, std::max(index + 1, size_));
+        size_ = (std::min)(max_words, (std::max)(index + 1, size_));
       }
     }
   }
@@ -348,7 +348,7 @@ class BigUnsigned {
 // Returns -1 if lhs < rhs, 0 if lhs == rhs, and 1 if lhs > rhs.
 template <int N, int M>
 int Compare(const BigUnsigned<N>& lhs, const BigUnsigned<M>& rhs) {
-  int limit = std::max(lhs.size(), rhs.size());
+  int limit = (std::max)(lhs.size(), rhs.size());
   for (int i = limit - 1; i >= 0; --i) {
     const uint32_t lhs_word = lhs.GetWord(i);
     const uint32_t rhs_word = rhs.GetWord(i);
@@ -363,7 +363,7 @@ int Compare(const BigUnsigned<N>& lhs, const BigUnsigned<M>& rhs) {
 
 template <int N, int M>
 bool operator==(const BigUnsigned<N>& lhs, const BigUnsigned<M>& rhs) {
-  int limit = std::max(lhs.size(), rhs.size());
+  int limit = (std::max)(lhs.size(), rhs.size());
   for (int i = 0; i < limit; ++i) {
     if (lhs.GetWord(i) != rhs.GetWord(i)) {
       return false;
diff --git a/absl/strings/internal/str_format/arg.h b/absl/strings/internal/str_format/arg.h
index ec9e6f0063b1..ebd40adcd987 100644
--- a/absl/strings/internal/str_format/arg.h
+++ b/absl/strings/internal/str_format/arg.h
@@ -80,7 +80,7 @@ ConvertResult<Conv::s> FormatConvertImpl(const AbslCord& value,
 
   int precision = conv.precision();
   if (precision >= 0)
-    to_write = std::min(to_write, static_cast<size_t>(precision));
+    to_write = (std::min)(to_write, static_cast<size_t>(precision));
 
   space_remaining = Excess(to_write, space_remaining);
 
diff --git a/absl/strings/string_view.h b/absl/strings/string_view.h
index 2cc10f522e13..8cd4fa24e2bc 100644
--- a/absl/strings/string_view.h
+++ b/absl/strings/string_view.h
@@ -355,7 +355,7 @@ class string_view {
   string_view substr(size_type pos, size_type n = npos) const {
     if (ABSL_PREDICT_FALSE(pos > length_))
       base_internal::ThrowStdOutOfRange("absl::string_view::substr");
-    n = std::min(n, length_ - pos);
+    n = (std::min)(n, length_ - pos);
     return string_view(ptr_ + pos, n);
   }
 
@@ -368,7 +368,7 @@ class string_view {
   // on the respective sizes of the two `string_view`s to determine which is
   // smaller, equal, or greater.
   int compare(string_view x) const noexcept {
-    auto min_length = std::min(length_, x.length_);
+    auto min_length = (std::min)(length_, x.length_);
     if (min_length > 0) {
       int r = memcmp(ptr_, x.ptr_, min_length);
       if (r < 0) return -1;
@@ -517,7 +517,7 @@ inline bool operator!=(string_view x, string_view y) noexcept {
 }
 
 inline bool operator<(string_view x, string_view y) noexcept {
-  auto min_size = std::min(x.size(), y.size());
+  auto min_size = (std::min)(x.size(), y.size());
   const int r = min_size == 0 ? 0 : memcmp(x.data(), y.data(), min_size);
   return (r < 0) || (r == 0 && x.size() < y.size());
 }
@@ -547,7 +547,7 @@ namespace absl {
 // Provided because std::string_view::substr throws if `pos > size()`
 inline string_view ClippedSubstr(string_view s, size_t pos,
                                  size_t n = string_view::npos) {
-  pos = std::min(pos, static_cast<size_t>(s.size()));
+  pos = (std::min)(pos, static_cast<size_t>(s.size()));
   return s.substr(pos, n);
 }
 
diff --git a/absl/synchronization/BUILD.bazel b/absl/synchronization/BUILD.bazel
index e63b1d168ff9..53e7988457e9 100644
--- a/absl/synchronization/BUILD.bazel
+++ b/absl/synchronization/BUILD.bazel
@@ -15,7 +15,7 @@
 #
 
 load(
-    "//absl:copts.bzl",
+    "//absl:copts/configure_copts.bzl",
     "ABSL_DEFAULT_COPTS",
     "ABSL_TEST_COPTS",
 )
@@ -182,7 +182,6 @@ cc_library(
         ":synchronization",
         ":thread_pool",
         "//absl/base",
-        "//absl/base:base_internal",
         "@com_github_google_benchmark//:benchmark_main",
     ],
     alwayslink = 1,
diff --git a/absl/synchronization/internal/kernel_timeout.h b/absl/synchronization/internal/kernel_timeout.h
index 76e7983ae06c..9e1eed75d3aa 100644
--- a/absl/synchronization/internal/kernel_timeout.h
+++ b/absl/synchronization/internal/kernel_timeout.h
@@ -100,8 +100,8 @@ class KernelTimeout {
     if (n < 0) n = 0;
 
     struct timespec abstime;
-    int64_t seconds = std::min(n / kNanosPerSecond,
-                             int64_t{(std::numeric_limits<time_t>::max)()});
+    int64_t seconds = (std::min)(n / kNanosPerSecond,
+                               int64_t{(std::numeric_limits<time_t>::max)()});
     abstime.tv_sec = static_cast<time_t>(seconds);
     abstime.tv_nsec =
         static_cast<decltype(abstime.tv_nsec)>(n % kNanosPerSecond);
diff --git a/absl/time/BUILD.bazel b/absl/time/BUILD.bazel
index 4d9c01c40a6c..2082f52c17a9 100644
--- a/absl/time/BUILD.bazel
+++ b/absl/time/BUILD.bazel
@@ -15,7 +15,7 @@
 #
 
 load(
-    "//absl:copts.bzl",
+    "//absl:copts/configure_copts.bzl",
     "ABSL_DEFAULT_COPTS",
     "ABSL_TEST_COPTS",
 )
diff --git a/absl/time/internal/cctz/include/cctz/civil_time_detail.h b/absl/time/internal/cctz/include/cctz/civil_time_detail.h
index 0cf27ddbc817..1c5d09708278 100644
--- a/absl/time/internal/cctz/include/cctz/civil_time_detail.h
+++ b/absl/time/internal/cctz/include/cctz/civil_time_detail.h
@@ -386,12 +386,12 @@ class civil_time {
       : civil_time(ct.f_) {}
 
   // Factories for the maximum/minimum representable civil_time.
-  static CONSTEXPR_F civil_time max() {
-    const auto max_year = std::numeric_limits<std::int_least64_t>::max();
+  static CONSTEXPR_F civil_time (max)() {
+    const auto max_year = (std::numeric_limits<std::int_least64_t>::max)();
     return civil_time(max_year, 12, 31, 23, 59, 59);
   }
-  static CONSTEXPR_F civil_time min() {
-    const auto min_year = std::numeric_limits<std::int_least64_t>::min();
+  static CONSTEXPR_F civil_time (min)() {
+    const auto min_year = (std::numeric_limits<std::int_least64_t>::min)();
     return civil_time(min_year, 1, 1, 0, 0, 0);
   }
 
@@ -409,7 +409,7 @@ class civil_time {
     return *this;
   }
   CONSTEXPR_M civil_time& operator-=(diff_t n) noexcept {
-    if (n != std::numeric_limits<diff_t>::min()) {
+    if (n != (std::numeric_limits<diff_t>::min)()) {
       f_ = step(T{}, f_, -n);
     } else {
       f_ = step(T{}, step(T{}, f_, -(n + 1)), 1);
diff --git a/absl/time/time.h b/absl/time/time.h
index b86abf27b045..ae3b3fad853b 100644
--- a/absl/time/time.h
+++ b/absl/time/time.h
@@ -1441,10 +1441,10 @@ T ToChronoDuration(Duration d) {
   using Period = typename T::period;
   static_assert(IsValidRep64<Rep>(0), "duration::rep is invalid");
   if (time_internal::IsInfiniteDuration(d))
-    return d < ZeroDuration() ? T::min() : T::max();
+    return d < ZeroDuration() ? (T::min)() : (T::max)();
   const auto v = ToInt64(d, Period{});
-  if (v > (std::numeric_limits<Rep>::max)()) return T::max();
-  if (v < (std::numeric_limits<Rep>::min)()) return T::min();
+  if (v > (std::numeric_limits<Rep>::max)()) return (T::max)();
+  if (v < (std::numeric_limits<Rep>::min)()) return (T::min)();
   return T{v};
 }
 
diff --git a/absl/types/BUILD.bazel b/absl/types/BUILD.bazel
index d56fea6e90db..2e490009c392 100644
--- a/absl/types/BUILD.bazel
+++ b/absl/types/BUILD.bazel
@@ -15,7 +15,7 @@
 #
 
 load(
-    "//absl:copts.bzl",
+    "//absl:copts/configure_copts.bzl",
     "ABSL_DEFAULT_COPTS",
     "ABSL_TEST_COPTS",
     "ABSL_EXCEPTIONS_FLAG",
diff --git a/absl/utility/BUILD.bazel b/absl/utility/BUILD.bazel
index c01b49bc97dd..5185ccd8421b 100644
--- a/absl/utility/BUILD.bazel
+++ b/absl/utility/BUILD.bazel
@@ -1,5 +1,5 @@
 load(
-    "//absl:copts.bzl",
+    "//absl:copts/configure_copts.bzl",
     "ABSL_DEFAULT_COPTS",
     "ABSL_TEST_COPTS",
 )