Squashed 'third_party/abseil/' changes from ddf8e52a2..384af0e91

384af0e91 Export of internal Abseil changes
e7ca23aca Export of internal Abseil changes
4611a601a Export of internal Abseil changes
8a9ef3c5d Export of internal Abseil changes
9f8b87b71 Add missing word 'library' in the 'status' description (#868)
e2b1bab19 Export of internal Abseil changes
1bae23e32 Export of internal Abseil changes
6df644c56 Include the status library into the main README. (#863)
68f1ad932 Export of internal Abseil changes
52acfe6fc Export of internal Abseil changes
1918ad2ae Export of internal Abseil changes
938fd0f4e Export of internal Abseil changes
fbdff6f3a Export of internal Abseil changes
acf3390ca Export of internal Abseil changes
592924480 Export of internal Abseil changes
e80c0b353 Export of internal Abseil changes
5d8fc9192 Export of internal Abseil changes
e19260fd7 Export of internal Abseil changes
4fd9a1ec5 Export of internal Abseil changes
4ae673067 Export of internal Abseil changes
1b465af3b Export of internal Abseil changes
6b03bf543 fix build dll (#797)
0bbebc85c Export of internal Abseil changes
0453e1653 Export of internal Abseil changes
a4798817e Export of internal Abseil changes
e96d49687 Export of internal Abseil changes
731852f10 Fix stacktrace on aarch64 architecture. Fixes #805 (#827)
2e5f2bcfd moved deleted functions to public for better compiler errors. (#828)
e9e9b9fc7 Export of internal Abseil changes
b8e890f95 Export of internal Abseil changes
c9894d1dc Export of internal Abseil changes
e9b9e38f6 Export of internal Abseil changes
962b06754 Export of internal Abseil changes
5bf048b84 Export of internal Abseil changes
1e3d25b26 Export of internal Abseil changes
eb317a701 Export of internal Abseil changes
4b915e709 Export of internal Abseil changes
8f1c34a77 Export of internal Abseil changes
60d00a582 Export of internal Abseil changes
f3f785ab5 Export of internal Abseil changes
4b2fbb4ad Export of internal Abseil changes
e493d6acb fix compile fails with asan and -Wredundant-decls (#801)
e63a5a610 Export of internal Abseil changes
c678d6c6b Export of internal Abseil changes
4b4f9aae7 Export of internal Abseil changes
887d0eee6 Export of internal Abseil changes
b978fc02f Export of internal Abseil changes
093cc2760 Export of internal Abseil changes
40fdb59d3 btree: fix sign-compare warnings (#800)
1fd58b69c Export of internal Abseil changes
d1de75bf5 Export of internal Abseil changes
cad3f30b4 Export of internal Abseil changes
9927a0989 Export of internal Abseil changes
7680a5f8e Added missing asserts for seq.index() < capacity_ and unified their usage based on has_element(). (#781)
d3614de61 Export of internal Abseil changes
20feb1cdb Export of internal Abseil changes
c1ae0a497 Export of internal Abseil changes
6af91b351 Export of internal Abseil changes
f2c9c663d Export of internal Abseil changes
3c8b5d758 Export of internal Abseil changes
7ba8cdb56 Export of internal Abseil changes
930fbec75 Export of internal Abseil changes
0e9921b75 Export of internal Abseil changes
a4cbb5f69 Export of internal Abseil changes
4d2ff381a Export of internal Abseil changes
c03c18e7f Export of internal Abseil changes
b321ad86c Export of internal Abseil changes
fbf0fdab6 Export of internal Abseil changes
dc969f34a Export of internal Abseil changes
d0c433455 Export of internal Abseil changes
c6b3f2cf5 Export of internal Abseil changes
1beb3191c Export of internal Abseil changes
1b7e751e5 Export of internal Abseil changes
ce4bc9277 Export of internal Abseil changes
f72cc3516 Export of internal Abseil changes
f66bc7492 Export of internal Abseil changes
1995c6a3c Export of internal Abseil changes
184cf2524 Export of internal Abseil changes
82302f1e0 Export of internal Abseil changes
dea76486c Export of internal Abseil changes
d39fe6cd6 Export of internal Abseil changes
2c8a5b0d8 Export of internal Abseil changes
41a6263fd Export of internal Abseil changes
3c2bed2e7 Export of internal Abseil changes
ea8a689cf fix build on P9 (#739)
672d9e0ae Export of internal Abseil changes
f624790b7 Export of internal Abseil changes
55c04eb92 Export of internal Abseil changes
302b250e1 Disable pthread for standalone wasm build support (#721)
61d8bc057 Merge branch 'master' of https://github.com/abseil/abseil-cpp into master
4b5b25a28 cmake: remove unneeded enable_testing() cmd (#736)
63f2c695e cmake: flag conformance_testing as TESTONLY (#737)
d5269a8b6 Export of internal Abseil changes
23f1f9cf6 Typo in comment (#733)
259301a52 Fix CMake path for INSTALL_INCLUDEDIR (#723)
dc464c1dc Allow overriding Abseil IDE folder (#724)
bf655de09 Export of internal Abseil changes
38db52adb Export of internal Abseil changes
81f34df83 Export of internal Abseil changes
b86fff162 Export of internal Abseil changes
10cb35e45 Export of internal Abseil changes
4ccc0fce0 Export of internal Abseil changes
4a851046a Export of internal Abseil changes
ccdbb5941 Export of internal Abseil changes
01f5f81f9 Export of internal Abseil changes
2c92bdc7c Export of internal Abseil changes
e7ebf9803 Export of internal Abseil changes
2eba343b5 Export of internal Abseil changes
a8b03d90e Export of internal Abseil changes
1d31b5c36 Export of internal Abseil changes
da3a87690 Export of internal Abseil changes
8faf20461 Exclude empty directories (#697)
2069dc796 Export of internal Abseil changes
4832bf6bf Added a BUILD file in root to expose license. (#695)
af8f994af Export of internal Abseil changes
33caf1097 Export of internal Abseil changes
cf1a02e2d Export of internal Abseil changes
768eb2ca2 Export of internal Abseil changes
3f347c462 Fix build on riscv32 (#675)
62cf6a704 Export of internal Abseil changes
d118d4bb1 Export of internal Abseil changes
f2bc9d11e Fix public target name of the random library (#684)
0fecf0e63 Export of internal Abseil changes
cbfd0f0fe Export of internal Abseil changes
c45d1c09d Export of internal Abseil changes
a35ef8a62 Export of internal Abseil changes
bd317cae3 Export of internal Abseil changes
b11574465 fix MSVC warning 4245: conversion signed => unsigned during initialization (#678)
d85783fd0 Export of internal Abseil changes
a1d668990 Export of internal Abseil changes
ca9856cab Export of internal Abseil changes
6e18c7115 Export of internal Abseil changes
3f48ce1c4 init (#673)
cde2e2410 Export of internal Abseil changes
68494aae9 Fix CMake Threads dependency issue
902909a43 Export of internal Abseil changes
cb52b05ea Export of internal Abseil changes
1a02b7a20 Use "-lrt" instead of the resolved find_library result when linking librt (#665)
df60c82df Export of internal Abseil changes
b35973e3e Export of internal Abseil changes
db5773a72 Export of internal Abseil changes
71079e42c Export of internal Abseil changes
2946ac0de Use base_internal::AtomicHook instead of std::atomic (#661)
567bee2f7 Fix ABSL_RANDOM_RANDEN_COPTS setting on FreeBSD (#664)
bf6166a63 Export of internal Abseil changes
111260963 Export of internal Abseil changes
73ea9a957 Export of internal Abseil changes
c01b9916e  Add option to use an externally provided GoogleTest target (for usage of abseil as add_subdirectory target) (#647)
d43b7997c Export of internal Abseil changes
62f05b1f5 Export of internal Abseil changes
fba8a316c Export of internal Abseil changes
79e0dc115 Export of internal Abseil changes
132d791b4 bazel: Add missing load statements for cc_binary (#645)
518f17501 Export of internal Abseil changes
092ed9793 Export of internal Abseil changes
2d2a8aea2 Export of internal Abseil changes
7853a7586 Export of internal Abseil changes
c6954897f Export of internal Abseil changes
b92f35f65 Fix CompressedTuple move constructor on MSVC (#637)
a877af1f2 Export of internal Abseil changes
d936052d3 Export of internal Abseil changes
238b9a59c Skip the .exe suffix in the helpshort filter on Windows (#629)
417ea99cb UWP doesn't allow reading regkeys (#594)
40a0e58eb Export of internal Abseil changes
cf3a1998e Export of internal Abseil changes
b19ba9676 Export of internal Abseil changes
06f0e767d BuildBreak: UWP apps can't call GetModuleHandle (#596)
bcefbdcdf Export of internal Abseil changes
0033c9ea9 Fix build on FreeBSD/powerpc (#616)
0d5ce2797 Export of internal Abseil changes
b69c7d880 Export of internal Abseil changes
2a5633fc0 Merge "Export of internal Abseil changes"
f9b3d6e49 Add RISCV support to GetProgramCounter() (#621)
914ff4451 Export of internal Abseil changes
0232c87f2 Add missing ABSL_HAVE_VDSO_SUPPORT conditional (#622)
3c8141051 Export of internal Abseil changes
c44657f55 Export of internal Abseil changes
98eb410c9 Export of internal Abseil changes
bf78e9773 Export of internal Abseil changes
d95d15671 Export of internal Abseil changes
24713a703 Export of internal Abseil changes
72382c21f Export of internal Abseil changes
08a7e7bf9 Export of internal Abseil changes
36bcd9599 Fix pointer format specifier in documentation (#614)
0f86336b6 Export of internal Abseil changes
c512f118d Export of internal Abseil changes
37dd2562e Export of internal Abseil changes
444277026 fix: Add support for more ARM processors detection (#608)
159bf2bf6 Export of internal Abseil changes
a2e6adecc Use https links. (#586)
564001ae5 Export of internal Abseil changes
b3aaac8a3 Export of internal Abseil changes
63ee2f887 Export of internal Abseil changes
a048203a8 Export of internal Abseil changes
1de016636 Export of internal Abseil changes
ad904b6cd Export of internal Abseil changes
7bd1935dc cmake: Fix x86_64 check on Windows for random copts (#518)
292351391 Export of internal Abseil changes
bf86cfe16 Export of internal Abseil changes
12bc53e03 Export of internal Abseil changes
1e39f8626 Export of internal Abseil changes
77f87009a Export of internal Abseil changes
d659fe54b Export of internal Abseil changes
a4b757b5d Export of internal Abseil changes
0514227d2 Export of internal Abseil changes
7f4fe64af Export of internal Abseil changes
16d9fd58a Export of internal Abseil changes
bcaae6009 Export of internal Abseil changes
8ba96a824 Export of internal Abseil changes
2103fd9ac Export of internal Abseil changes
3df7b52a6 Export of internal Abseil changes
fa8c75182 Export of internal Abseil changes
85092b4b6 Fix Conan builds (#400)
e96ae2203 Export of internal Abseil changes
20de2db74 Export of internal Abseil changes
846e5dbed Export of internal Abseil changes
83880e3d8 Merge branch 'master' of https://github.com/abseil/abseil-cpp
8207907f4 Export of internal Abseil changes
39d68a422 docs: fix typo (#397)
078b89b3c Export of internal Abseil changes
19b021cb3 Export of internal Abseil changes
ecc0033b5 Always enable proper symbolize implementation on Windows (#257)
2796d500a Export of internal Abseil changes
e4c8d0eb8 Export of internal Abseil changes
a15364ce4 Export of internal Abseil changes
ab3552a18 Export of internal Abseil changes
e9f9000c7 Fix ABSL_WAITER_MODE detection for mingw (#342)
abea769b5 Fix ABSL_HAVE_ALARM check on mingw (#341)
25597bdfc Export of internal Abseil changes
aad33fefa Export of internal Abseil changes
8fe7214fe Export of internal Abseil changes
debac94cf Export of internal Abseil changes
882b3501a Fix spelling errors (#384)
502efe6d7 Export of internal Abseil changes
ccdd1d57b Export of internal Abseil changes

Change-Id: I59864a0053f6e03d88cc9d5e2a92757039a05484
git-subtree-dir: third_party/abseil
git-subtree-split: 384af0e9141283172e2bff3210dae79fb7130d9c
diff --git a/CMake/AbseilDll.cmake b/CMake/AbseilDll.cmake
new file mode 100644
index 0000000..7c98b21
--- /dev/null
+++ b/CMake/AbseilDll.cmake
@@ -0,0 +1,519 @@
+include(CMakeParseArguments)
+
+set(ABSL_INTERNAL_DLL_FILES
+  "algorithm/algorithm.h"
+  "algorithm/container.h"
+  "base/attributes.h"
+  "base/call_once.h"
+  "base/casts.h"
+  "base/config.h"
+  "base/const_init.h"
+  "base/dynamic_annotations.h"
+  "base/internal/atomic_hook.h"
+  "base/internal/cycleclock.cc"
+  "base/internal/cycleclock.h"
+  "base/internal/direct_mmap.h"
+  "base/internal/dynamic_annotations.h"
+  "base/internal/endian.h"
+  "base/internal/errno_saver.h"
+  "base/internal/exponential_biased.cc"
+  "base/internal/exponential_biased.h"
+  "base/internal/fast_type_id.h"
+  "base/internal/hide_ptr.h"
+  "base/internal/identity.h"
+  "base/internal/invoke.h"
+  "base/internal/inline_variable.h"
+  "base/internal/low_level_alloc.cc"
+  "base/internal/low_level_alloc.h"
+  "base/internal/low_level_scheduling.h"
+  "base/internal/per_thread_tls.h"
+  "base/internal/periodic_sampler.cc"
+  "base/internal/periodic_sampler.h"
+  "base/internal/pretty_function.h"
+  "base/internal/raw_logging.cc"
+  "base/internal/raw_logging.h"
+  "base/internal/scheduling_mode.h"
+  "base/internal/scoped_set_env.cc"
+  "base/internal/scoped_set_env.h"
+  "base/internal/strerror.h"
+  "base/internal/strerror.cc"
+  "base/internal/spinlock.cc"
+  "base/internal/spinlock.h"
+  "base/internal/spinlock_wait.cc"
+  "base/internal/spinlock_wait.h"
+  "base/internal/sysinfo.cc"
+  "base/internal/sysinfo.h"
+  "base/internal/thread_annotations.h"
+  "base/internal/thread_identity.cc"
+  "base/internal/thread_identity.h"
+  "base/internal/throw_delegate.cc"
+  "base/internal/throw_delegate.h"
+  "base/internal/tsan_mutex_interface.h"
+  "base/internal/unaligned_access.h"
+  "base/internal/unscaledcycleclock.cc"
+  "base/internal/unscaledcycleclock.h"
+  "base/log_severity.cc"
+  "base/log_severity.h"
+  "base/macros.h"
+  "base/optimization.h"
+  "base/options.h"
+  "base/policy_checks.h"
+  "base/port.h"
+  "base/thread_annotations.h"
+  "container/btree_map.h"
+  "container/btree_set.h"
+  "container/fixed_array.h"
+  "container/flat_hash_map.h"
+  "container/flat_hash_set.h"
+  "container/inlined_vector.h"
+  "container/internal/btree.h"
+  "container/internal/btree_container.h"
+  "container/internal/common.h"
+  "container/internal/compressed_tuple.h"
+  "container/internal/container_memory.h"
+  "container/internal/counting_allocator.h"
+  "container/internal/hash_function_defaults.h"
+  "container/internal/hash_policy_traits.h"
+  "container/internal/hashtable_debug.h"
+  "container/internal/hashtable_debug_hooks.h"
+  "container/internal/hashtablez_sampler.cc"
+  "container/internal/hashtablez_sampler.h"
+  "container/internal/hashtablez_sampler_force_weak_definition.cc"
+  "container/internal/have_sse.h"
+  "container/internal/inlined_vector.h"
+  "container/internal/layout.h"
+  "container/internal/node_hash_policy.h"
+  "container/internal/raw_hash_map.h"
+  "container/internal/raw_hash_set.cc"
+  "container/internal/raw_hash_set.h"
+  "container/internal/tracked.h"
+  "container/node_hash_map.h"
+  "container/node_hash_set.h"
+  "debugging/failure_signal_handler.cc"
+  "debugging/failure_signal_handler.h"
+  "debugging/leak_check.h"
+  "debugging/leak_check_disable.cc"
+  "debugging/stacktrace.cc"
+  "debugging/stacktrace.h"
+  "debugging/symbolize.cc"
+  "debugging/symbolize.h"
+  "debugging/internal/address_is_readable.cc"
+  "debugging/internal/address_is_readable.h"
+  "debugging/internal/demangle.cc"
+  "debugging/internal/demangle.h"
+  "debugging/internal/elf_mem_image.cc"
+  "debugging/internal/elf_mem_image.h"
+  "debugging/internal/examine_stack.cc"
+  "debugging/internal/examine_stack.h"
+  "debugging/internal/stack_consumption.cc"
+  "debugging/internal/stack_consumption.h"
+  "debugging/internal/stacktrace_config.h"
+  "debugging/internal/symbolize.h"
+  "debugging/internal/vdso_support.cc"
+  "debugging/internal/vdso_support.h"
+  "functional/internal/front_binder.h"
+  "functional/bind_front.h"
+  "functional/function_ref.h"
+  "functional/internal/function_ref.h"
+  "hash/hash.h"
+  "hash/internal/city.h"
+  "hash/internal/city.cc"
+  "hash/internal/hash.h"
+  "hash/internal/hash.cc"
+  "hash/internal/spy_hash_state.h"
+  "hash/internal/wyhash.h"
+  "hash/internal/wyhash.cc"
+  "memory/memory.h"
+  "meta/type_traits.h"
+  "numeric/bits.h"
+  "numeric/int128.cc"
+  "numeric/int128.h"
+  "numeric/internal/bits.h"
+  "random/bernoulli_distribution.h"
+  "random/beta_distribution.h"
+  "random/bit_gen_ref.h"
+  "random/discrete_distribution.cc"
+  "random/discrete_distribution.h"
+  "random/distributions.h"
+  "random/exponential_distribution.h"
+  "random/gaussian_distribution.cc"
+  "random/gaussian_distribution.h"
+  "random/internal/distribution_caller.h"
+  "random/internal/fastmath.h"
+  "random/internal/fast_uniform_bits.h"
+  "random/internal/generate_real.h"
+  "random/internal/iostream_state_saver.h"
+  "random/internal/mock_helpers.h"
+  "random/internal/nonsecure_base.h"
+  "random/internal/pcg_engine.h"
+  "random/internal/platform.h"
+  "random/internal/pool_urbg.cc"
+  "random/internal/pool_urbg.h"
+  "random/internal/randen.cc"
+  "random/internal/randen.h"
+  "random/internal/randen_detect.cc"
+  "random/internal/randen_detect.h"
+  "random/internal/randen_engine.h"
+  "random/internal/randen_hwaes.cc"
+  "random/internal/randen_hwaes.h"
+  "random/internal/randen_round_keys.cc"
+  "random/internal/randen_slow.cc"
+  "random/internal/randen_slow.h"
+  "random/internal/randen_traits.h"
+  "random/internal/salted_seed_seq.h"
+  "random/internal/seed_material.cc"
+  "random/internal/seed_material.h"
+  "random/internal/sequence_urbg.h"
+  "random/internal/traits.h"
+  "random/internal/uniform_helper.h"
+  "random/internal/wide_multiply.h"
+  "random/log_uniform_int_distribution.h"
+  "random/poisson_distribution.h"
+  "random/random.h"
+  "random/seed_gen_exception.cc"
+  "random/seed_gen_exception.h"
+  "random/seed_sequences.cc"
+  "random/seed_sequences.h"
+  "random/uniform_int_distribution.h"
+  "random/uniform_real_distribution.h"
+  "random/zipf_distribution.h"
+  "status/internal/status_internal.h"
+  "status/internal/statusor_internal.h"
+  "status/status.h"
+  "status/status.cc"
+  "status/statusor.h"
+  "status/statusor.cc"
+  "status/status_payload_printer.h"
+  "status/status_payload_printer.cc"
+  "strings/ascii.cc"
+  "strings/ascii.h"
+  "strings/charconv.cc"
+  "strings/charconv.h"
+  "strings/cord.cc"
+  "strings/cord.h"
+  "strings/escaping.cc"
+  "strings/escaping.h"
+  "strings/internal/cord_internal.cc"
+  "strings/internal/cord_internal.h"
+  "strings/internal/cord_rep_flat.h"
+  "strings/internal/charconv_bigint.cc"
+  "strings/internal/charconv_bigint.h"
+  "strings/internal/charconv_parse.cc"
+  "strings/internal/charconv_parse.h"
+  "strings/internal/stl_type_traits.h"
+  "strings/internal/string_constant.h"
+  "strings/match.cc"
+  "strings/match.h"
+  "strings/numbers.cc"
+  "strings/numbers.h"
+  "strings/str_format.h"
+  "strings/str_cat.cc"
+  "strings/str_cat.h"
+  "strings/str_join.h"
+  "strings/str_replace.cc"
+  "strings/str_replace.h"
+  "strings/str_split.cc"
+  "strings/str_split.h"
+  "strings/string_view.cc"
+  "strings/string_view.h"
+  "strings/strip.h"
+  "strings/substitute.cc"
+  "strings/substitute.h"
+  "strings/internal/char_map.h"
+  "strings/internal/escaping.h"
+  "strings/internal/escaping.cc"
+  "strings/internal/memutil.cc"
+  "strings/internal/memutil.h"
+  "strings/internal/ostringstream.cc"
+  "strings/internal/ostringstream.h"
+  "strings/internal/pow10_helper.cc"
+  "strings/internal/pow10_helper.h"
+  "strings/internal/resize_uninitialized.h"
+  "strings/internal/str_format/arg.cc"
+  "strings/internal/str_format/arg.h"
+  "strings/internal/str_format/bind.cc"
+  "strings/internal/str_format/bind.h"
+  "strings/internal/str_format/checker.h"
+  "strings/internal/str_format/extension.cc"
+  "strings/internal/str_format/extension.h"
+  "strings/internal/str_format/float_conversion.cc"
+  "strings/internal/str_format/float_conversion.h"
+  "strings/internal/str_format/output.cc"
+  "strings/internal/str_format/output.h"
+  "strings/internal/str_format/parser.cc"
+  "strings/internal/str_format/parser.h"
+  "strings/internal/str_join_internal.h"
+  "strings/internal/str_split_internal.h"
+  "strings/internal/utf8.cc"
+  "strings/internal/utf8.h"
+  "synchronization/barrier.cc"
+  "synchronization/barrier.h"
+  "synchronization/blocking_counter.cc"
+  "synchronization/blocking_counter.h"
+  "synchronization/mutex.cc"
+  "synchronization/mutex.h"
+  "synchronization/notification.cc"
+  "synchronization/notification.h"
+  "synchronization/internal/create_thread_identity.cc"
+  "synchronization/internal/create_thread_identity.h"
+  "synchronization/internal/futex.h"
+  "synchronization/internal/graphcycles.cc"
+  "synchronization/internal/graphcycles.h"
+  "synchronization/internal/kernel_timeout.h"
+  "synchronization/internal/per_thread_sem.cc"
+  "synchronization/internal/per_thread_sem.h"
+  "synchronization/internal/thread_pool.h"
+  "synchronization/internal/waiter.cc"
+  "synchronization/internal/waiter.h"
+  "time/civil_time.cc"
+  "time/civil_time.h"
+  "time/clock.cc"
+  "time/clock.h"
+  "time/duration.cc"
+  "time/format.cc"
+  "time/time.cc"
+  "time/time.h"
+  "time/internal/cctz/include/cctz/civil_time.h"
+  "time/internal/cctz/include/cctz/civil_time_detail.h"
+  "time/internal/cctz/include/cctz/time_zone.h"
+  "time/internal/cctz/include/cctz/zone_info_source.h"
+  "time/internal/cctz/src/civil_time_detail.cc"
+  "time/internal/cctz/src/time_zone_fixed.cc"
+  "time/internal/cctz/src/time_zone_fixed.h"
+  "time/internal/cctz/src/time_zone_format.cc"
+  "time/internal/cctz/src/time_zone_if.cc"
+  "time/internal/cctz/src/time_zone_if.h"
+  "time/internal/cctz/src/time_zone_impl.cc"
+  "time/internal/cctz/src/time_zone_impl.h"
+  "time/internal/cctz/src/time_zone_info.cc"
+  "time/internal/cctz/src/time_zone_info.h"
+  "time/internal/cctz/src/time_zone_libc.cc"
+  "time/internal/cctz/src/time_zone_libc.h"
+  "time/internal/cctz/src/time_zone_lookup.cc"
+  "time/internal/cctz/src/time_zone_posix.cc"
+  "time/internal/cctz/src/time_zone_posix.h"
+  "time/internal/cctz/src/tzfile.h"
+  "time/internal/cctz/src/zone_info_source.cc"
+  "types/any.h"
+  "types/bad_any_cast.cc"
+  "types/bad_any_cast.h"
+  "types/bad_optional_access.cc"
+  "types/bad_optional_access.h"
+  "types/bad_variant_access.cc"
+  "types/bad_variant_access.h"
+  "types/compare.h"
+  "types/internal/conformance_aliases.h"
+  "types/internal/conformance_archetype.h"
+  "types/internal/conformance_profile.h"
+  "types/internal/parentheses.h"
+  "types/internal/transform_args.h"
+  "types/internal/variant.h"
+  "types/optional.h"
+  "types/internal/optional.h"
+  "types/span.h"
+  "types/internal/span.h"
+  "types/variant.h"
+  "utility/utility.h"
+)
+
+set(ABSL_INTERNAL_DLL_TARGETS
+  "stacktrace"
+  "symbolize"
+  "examine_stack"
+  "failure_signal_handler"
+  "debugging_internal"
+  "demangle_internal"
+  "leak_check"
+  "leak_check_disable"
+  "stack_consumption"
+  "debugging"
+  "hash"
+  "spy_hash_state"
+  "city"
+  "memory"
+  "strings"
+  "strings_internal"
+  "cord"
+  "str_format"
+  "str_format_internal"
+  "pow10_helper"
+  "int128"
+  "numeric"
+  "utility"
+  "any"
+  "bad_any_cast"
+  "bad_any_cast_impl"
+  "span"
+  "optional"
+  "bad_optional_access"
+  "bad_variant_access"
+  "variant"
+  "compare"
+  "algorithm"
+  "algorithm_container"
+  "graphcycles_internal"
+  "kernel_timeout_internal"
+  "synchronization"
+  "thread_pool"
+  "bind_front"
+  "function_ref"
+  "atomic_hook"
+  "log_severity"
+  "raw_logging_internal"
+  "spinlock_wait"
+  "config"
+  "dynamic_annotations"
+  "core_headers"
+  "malloc_internal"
+  "base_internal"
+  "base"
+  "throw_delegate"
+  "pretty_function"
+  "endian"
+  "bits"
+  "exponential_biased"
+  "periodic_sampler"
+  "scoped_set_env"
+  "type_traits"
+  "meta"
+  "random_random"
+  "random_bit_gen_ref"
+  "random_distributions"
+  "random_seed_gen_exception"
+  "random_seed_sequences"
+  "random_internal_traits"
+  "random_internal_distribution_caller"
+  "random_internal_distributions"
+  "random_internal_fast_uniform_bits"
+  "random_internal_seed_material"
+  "random_internal_pool_urbg"
+  "random_internal_explicit_seed_seq"
+  "random_internal_sequence_urbg"
+  "random_internal_salted_seed_seq"
+  "random_internal_iostream_state_saver"
+  "random_internal_generate_real"
+  "random_internal_wide_multiply"
+  "random_internal_fastmath"
+  "random_internal_nonsecure_base"
+  "random_internal_pcg_engine"
+  "random_internal_randen_engine"
+  "random_internal_platform"
+  "random_internal_randen"
+  "random_internal_randen_slow"
+  "random_internal_randen_hwaes"
+  "random_internal_randen_hwaes_impl"
+  "random_internal_uniform_helper"
+  "status"
+  "time"
+  "civil_time"
+  "time_zone"
+  "container"
+  "btree"
+  "compressed_tuple"
+  "fixed_array"
+  "inlined_vector_internal"
+  "inlined_vector"
+  "counting_allocator"
+  "flat_hash_map"
+  "flat_hash_set"
+  "node_hash_map"
+  "node_hash_set"
+  "container_memory"
+  "hash_function_defaults"
+  "hash_policy_traits"
+  "hashtablez_sampler"
+  "hashtable_debug"
+  "hashtable_debug_hooks"
+  "have_sse"
+  "node_hash_policy"
+  "raw_hash_map"
+  "container_common"
+  "raw_hash_set"
+  "layout"
+  "tracked"
+)
+
+function(absl_internal_dll_contains)
+  cmake_parse_arguments(ABSL_INTERNAL_DLL
+    ""
+    "OUTPUT;TARGET"
+    ""
+    ${ARGN}
+  )
+
+  STRING(REGEX REPLACE "^absl::" "" _target ${ABSL_INTERNAL_DLL_TARGET})
+
+  list(FIND
+    ABSL_INTERNAL_DLL_TARGETS
+    "${_target}"
+    _index)
+
+  if (${_index} GREATER -1)
+    set(${ABSL_INTERNAL_DLL_OUTPUT} 1 PARENT_SCOPE)
+  else()
+    set(${ABSL_INTERNAL_DLL_OUTPUT} 0 PARENT_SCOPE)
+  endif()
+endfunction()
+
+function(absl_internal_dll_targets)
+  cmake_parse_arguments(ABSL_INTERNAL_DLL
+  ""
+  "OUTPUT"
+  "DEPS"
+  ${ARGN}
+  )
+
+  set(_deps "")
+  foreach(dep IN LISTS ABSL_INTERNAL_DLL_DEPS)
+    absl_internal_dll_contains(TARGET ${dep} OUTPUT _contains)
+    if (_contains)
+      list(APPEND _deps abseil_dll)
+    else()
+      list(APPEND _deps ${dep})
+    endif()
+  endforeach()
+
+  # Because we may have added the DLL multiple times
+  list(REMOVE_DUPLICATES _deps)
+  set(${ABSL_INTERNAL_DLL_OUTPUT} "${_deps}" PARENT_SCOPE)
+endfunction()
+
+function(absl_make_dll)
+  add_library(
+    abseil_dll
+    SHARED
+      "${ABSL_INTERNAL_DLL_FILES}"
+  )
+  target_link_libraries(
+    abseil_dll
+    PRIVATE
+      ${ABSL_DEFAULT_LINKOPTS}
+  )
+  set_property(TARGET abseil_dll PROPERTY LINKER_LANGUAGE "CXX")
+  target_include_directories(
+    abseil_dll
+    PUBLIC
+      "$<BUILD_INTERFACE:${ABSL_COMMON_INCLUDE_DIRS}>"
+      $<INSTALL_INTERFACE:${ABSL_INSTALL_INCLUDEDIR}>
+  )
+
+  target_compile_options(
+    abseil_dll
+    PRIVATE
+      ${ABSL_DEFAULT_COPTS}
+  )
+
+  target_compile_definitions(
+    abseil_dll
+    PRIVATE
+      ABSL_BUILD_DLL
+      NOMINMAX
+    INTERFACE
+      ${ABSL_CC_LIB_DEFINES}
+  )
+  install(TARGETS abseil_dll EXPORT ${PROJECT_NAME}Targets
+        RUNTIME DESTINATION ${ABSL_INSTALL_BINDIR}
+        LIBRARY DESTINATION ${ABSL_INSTALL_LIBDIR}
+        ARCHIVE DESTINATION ${ABSL_INSTALL_LIBDIR}
+  )
+endfunction()
diff --git a/CMake/AbseilHelpers.cmake b/CMake/AbseilHelpers.cmake
index 67b97fe..e88507d 100644
--- a/CMake/AbseilHelpers.cmake
+++ b/CMake/AbseilHelpers.cmake
@@ -16,13 +16,16 @@
 
 include(CMakeParseArguments)
 include(AbseilConfigureCopts)
+include(AbseilDll)
 include(AbseilInstallDirs)
 
 # The IDE folder for Abseil that will be used if Abseil is included in a CMake
 # project that sets
 #    set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 # For example, Visual Studio supports folders.
-set(ABSL_IDE_FOLDER Abseil)
+if(NOT DEFINED ABSL_IDE_FOLDER)
+  set(ABSL_IDE_FOLDER Abseil)
+endif()
 
 # absl_cc_library()
 #
@@ -80,95 +83,220 @@
     ${ARGN}
   )
 
-  if(NOT ABSL_CC_LIB_TESTONLY OR ABSL_RUN_TESTS)
-    if(ABSL_ENABLE_INSTALL)
-      set(_NAME "${ABSL_CC_LIB_NAME}")
-    else()
-      set(_NAME "absl_${ABSL_CC_LIB_NAME}")
-    endif()
+  if(ABSL_CC_LIB_TESTONLY AND NOT ABSL_RUN_TESTS)
+    return()
+  endif()
 
-    # Check if this is a header-only library
-    # Note that as of February 2019, many popular OS's (for example, Ubuntu
-    # 16.04 LTS) only come with cmake 3.5 by default.  For this reason, we can't
-    # use list(FILTER...)
-    set(ABSL_CC_SRCS "${ABSL_CC_LIB_SRCS}")
-    foreach(src_file IN LISTS ABSL_CC_SRCS)
-      if(${src_file} MATCHES ".*\\.(h|inc)")
-        list(REMOVE_ITEM ABSL_CC_SRCS "${src_file}")
-      endif()
-    endforeach()
-    if("${ABSL_CC_SRCS}" STREQUAL "")
+  if(ABSL_ENABLE_INSTALL)
+    set(_NAME "${ABSL_CC_LIB_NAME}")
+  else()
+    set(_NAME "absl_${ABSL_CC_LIB_NAME}")
+  endif()
+
+  # Check if this is a header-only library
+  # Note that as of February 2019, many popular OS's (for example, Ubuntu
+  # 16.04 LTS) only come with cmake 3.5 by default.  For this reason, we can't
+  # use list(FILTER...)
+  set(ABSL_CC_SRCS "${ABSL_CC_LIB_SRCS}")
+  foreach(src_file IN LISTS ABSL_CC_SRCS)
+    if(${src_file} MATCHES ".*\\.(h|inc)")
+      list(REMOVE_ITEM ABSL_CC_SRCS "${src_file}")
+    endif()
+  endforeach()
+
+  if("${ABSL_CC_SRCS}" STREQUAL "")
+    set(ABSL_CC_LIB_IS_INTERFACE 1)
+  else()
+    set(ABSL_CC_LIB_IS_INTERFACE 0)
+  endif()
+
+  # Determine this build target's relationship to the DLL. It's one of four things:
+  # 1. "dll"     -- This target is part of the DLL
+  # 2. "dll_dep" -- This target is not part of the DLL, but depends on the DLL.
+  #                 Note that we assume any target not in the DLL depends on the
+  #                 DLL. This is not a technical necessity but a convenience
+  #                 which happens to be true, because nearly every target is
+  #                 part of the DLL.
+  # 3. "shared"  -- This is a shared library, perhaps on a non-windows platform
+  #                 where DLL doesn't make sense.
+  # 4. "static"  -- This target does not depend on the DLL and should be built
+  #                 statically.
+  if (${ABSL_BUILD_DLL})
+    if(ABSL_ENABLE_INSTALL)
+      absl_internal_dll_contains(TARGET ${_NAME} OUTPUT _in_dll)
+    else()
+      absl_internal_dll_contains(TARGET ${ABSL_CC_LIB_NAME} OUTPUT _in_dll)
+    endif()
+    if (${_in_dll})
+      # This target should be replaced by the DLL
+      set(_build_type "dll")
       set(ABSL_CC_LIB_IS_INTERFACE 1)
     else()
-      set(ABSL_CC_LIB_IS_INTERFACE 0)
+      # Building a DLL, but this target is not part of the DLL
+      set(_build_type "dll_dep")
     endif()
+  elseif(BUILD_SHARED_LIBS)
+    set(_build_type "shared")
+  else()
+    set(_build_type "static")
+  endif()
 
-    if(NOT ABSL_CC_LIB_IS_INTERFACE)
+  # Generate a pkg-config file for every library:
+  if(${_build_type} STREQUAL "static" OR ${_build_type} STREQUAL "shared")
+    if(NOT ABSL_CC_LIB_TESTONLY)
+      if(absl_VERSION)
+        set(PC_VERSION "${absl_VERSION}")
+      else()
+        set(PC_VERSION "head")
+      endif()
+      foreach(dep ${ABSL_CC_LIB_DEPS})
+        if(${dep} MATCHES "^absl::(.*)")
+          set(PC_DEPS "${PC_DEPS} absl_${CMAKE_MATCH_1} = ${PC_VERSION}")
+        endif()
+      endforeach()
+      foreach(cflag ${ABSL_CC_LIB_COPTS})
+        if(${cflag} MATCHES "^(-Wno|/wd)")
+          # These flags are needed to suppress warnings that might fire in our headers.
+          set(PC_CFLAGS "${PC_CFLAGS} ${cflag}")
+        elseif(${cflag} MATCHES "^(-W|/w[1234eo])")
+          # Don't impose our warnings on others.
+        else()
+          set(PC_CFLAGS "${PC_CFLAGS} ${cflag}")
+        endif()
+      endforeach()
+      FILE(GENERATE OUTPUT "${CMAKE_BINARY_DIR}/lib/pkgconfig/absl_${_NAME}.pc" CONTENT "\
+prefix=${CMAKE_INSTALL_PREFIX}\n\
+exec_prefix=\${prefix}\n\
+libdir=\${prefix}/lib\n\
+includedir=\${prefix}/include\n\
+\n\
+Name: absl_${_NAME}\n\
+Description: Abseil ${_NAME} library\n\
+URL: https://abseil.io/\n\
+Version: ${PC_VERSION}\n\
+Requires.private:${PC_DEPS}\n\
+Libs: -L\${libdir} $<JOIN:${ABSL_CC_LIB_LINKOPTS}, > $<$<NOT:$<BOOL:${ABSL_CC_LIB_IS_INTERFACE}>>:-labsl_${_NAME}>\n\
+Cflags: -I\${includedir}${PC_CFLAGS}\n")
+      INSTALL(FILES "${CMAKE_BINARY_DIR}/lib/pkgconfig/absl_${_NAME}.pc"
+              DESTINATION "${CMAKE_INSTALL_PREFIX}/lib/pkgconfig")
+    endif()
+  endif()
+
+  if(NOT ABSL_CC_LIB_IS_INTERFACE)
+    if(${_build_type} STREQUAL "dll_dep")
+      # This target depends on the DLL. When adding dependencies to this target,
+      # any depended-on-target which is contained inside the DLL is replaced
+      # with a dependency on the DLL.
       add_library(${_NAME} STATIC "")
       target_sources(${_NAME} PRIVATE ${ABSL_CC_LIB_SRCS} ${ABSL_CC_LIB_HDRS})
-      target_include_directories(${_NAME}
-        PUBLIC
-          "$<BUILD_INTERFACE:${ABSL_COMMON_INCLUDE_DIRS}>"
-          $<INSTALL_INTERFACE:${ABSL_INSTALL_INCLUDEDIR}>
+      absl_internal_dll_targets(
+        DEPS ${ABSL_CC_LIB_DEPS}
+        OUTPUT _dll_deps
       )
-      target_compile_options(${_NAME}
-        PRIVATE ${ABSL_CC_LIB_COPTS})
       target_link_libraries(${_NAME}
-        PUBLIC ${ABSL_CC_LIB_DEPS}
+        PUBLIC ${_dll_deps}
         PRIVATE
           ${ABSL_CC_LIB_LINKOPTS}
           ${ABSL_DEFAULT_LINKOPTS}
       )
-      target_compile_definitions(${_NAME} PUBLIC ${ABSL_CC_LIB_DEFINES})
 
-      # Add all Abseil targets to a a folder in the IDE for organization.
-      if(ABSL_CC_LIB_PUBLIC)
-        set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER})
-      elseif(ABSL_CC_LIB_TESTONLY)
-        set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER}/test)
+      if (ABSL_CC_LIB_TESTONLY)
+        set(_gtest_link_define "GTEST_LINKED_AS_SHARED_LIBRARY=1")
       else()
-        set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER}/internal)
+        set(_gtest_link_define)
       endif()
 
-      # INTERFACE libraries can't have the CXX_STANDARD property set
-      set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD ${ABSL_CXX_STANDARD})
-      set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD_REQUIRED ON)
+      target_compile_definitions(${_NAME}
+        PUBLIC
+          ABSL_CONSUME_DLL
+          "${_gtest_link_define}"
+      )
 
-      # When being installed, we lose the absl_ prefix.  We want to put it back
-      # to have properly named lib files.  This is a no-op when we are not being
-      # installed.
-      set_target_properties(${_NAME} PROPERTIES
-        OUTPUT_NAME "absl_${_NAME}"
+    elseif(${_build_type} STREQUAL "static" OR ${_build_type} STREQUAL "shared")
+      add_library(${_NAME} "")
+      target_sources(${_NAME} PRIVATE ${ABSL_CC_LIB_SRCS} ${ABSL_CC_LIB_HDRS})
+      target_link_libraries(${_NAME}
+      PUBLIC ${ABSL_CC_LIB_DEPS}
+      PRIVATE
+        ${ABSL_CC_LIB_LINKOPTS}
+        ${ABSL_DEFAULT_LINKOPTS}
       )
     else()
-      # Generating header-only library
-      add_library(${_NAME} INTERFACE)
-      target_include_directories(${_NAME}
-        INTERFACE
-          "$<BUILD_INTERFACE:${ABSL_COMMON_INCLUDE_DIRS}>"
-          $<INSTALL_INTERFACE:${ABSL_INSTALL_INCLUDEDIR}>
-        )
-      target_link_libraries(${_NAME}
-        INTERFACE
-          ${ABSL_CC_LIB_DEPS}
-          ${ABSL_CC_LIB_LINKOPTS}
-          ${ABSL_DEFAULT_LINKOPTS}
-      )
-      target_compile_definitions(${_NAME} INTERFACE ${ABSL_CC_LIB_DEFINES})
+      message(FATAL_ERROR "Invalid build type: ${_build_type}")
     endif()
 
-    # TODO currently we don't install googletest alongside abseil sources, so
-    # installed abseil can't be tested.
-    if(NOT ABSL_CC_LIB_TESTONLY AND ABSL_ENABLE_INSTALL)
-      install(TARGETS ${_NAME} EXPORT ${PROJECT_NAME}Targets
-            RUNTIME DESTINATION ${ABSL_INSTALL_BINDIR}
-            LIBRARY DESTINATION ${ABSL_INSTALL_LIBDIR}
-            ARCHIVE DESTINATION ${ABSL_INSTALL_LIBDIR}
+    # Linker language can be inferred from sources, but in the case of DLLs we
+    # don't have any .cc files so it would be ambiguous. We could set it
+    # explicitly only in the case of DLLs but, because "CXX" is always the
+    # correct linker language for static or for shared libraries, we set it
+    # unconditionally.
+    set_property(TARGET ${_NAME} PROPERTY LINKER_LANGUAGE "CXX")
+
+    target_include_directories(${_NAME}
+      PUBLIC
+        "$<BUILD_INTERFACE:${ABSL_COMMON_INCLUDE_DIRS}>"
+        $<INSTALL_INTERFACE:${ABSL_INSTALL_INCLUDEDIR}>
+    )
+    target_compile_options(${_NAME}
+      PRIVATE ${ABSL_CC_LIB_COPTS})
+    target_compile_definitions(${_NAME} PUBLIC ${ABSL_CC_LIB_DEFINES})
+
+    # Add all Abseil targets to a a folder in the IDE for organization.
+    if(ABSL_CC_LIB_PUBLIC)
+      set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER})
+    elseif(ABSL_CC_LIB_TESTONLY)
+      set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER}/test)
+    else()
+      set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER}/internal)
+    endif()
+
+    # INTERFACE libraries can't have the CXX_STANDARD property set
+    set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD ${ABSL_CXX_STANDARD})
+    set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD_REQUIRED ON)
+
+    # When being installed, we lose the absl_ prefix.  We want to put it back
+    # to have properly named lib files.  This is a no-op when we are not being
+    # installed.
+    if(ABSL_ENABLE_INSTALL)
+      set_target_properties(${_NAME} PROPERTIES
+        OUTPUT_NAME "absl_${_NAME}"
+        # TODO(b/173696973): Figure out how to set SOVERSION for LTS releases.
+        SOVERSION 0
       )
     endif()
+  else()
+    # Generating header-only library
+    add_library(${_NAME} INTERFACE)
+    target_include_directories(${_NAME}
+      INTERFACE
+        "$<BUILD_INTERFACE:${ABSL_COMMON_INCLUDE_DIRS}>"
+        $<INSTALL_INTERFACE:${ABSL_INSTALL_INCLUDEDIR}>
+      )
+
+    if (${_build_type} STREQUAL "dll")
+        set(ABSL_CC_LIB_DEPS abseil_dll)
+    endif()
+
+    target_link_libraries(${_NAME}
+      INTERFACE
+        ${ABSL_CC_LIB_DEPS}
+        ${ABSL_CC_LIB_LINKOPTS}
+        ${ABSL_DEFAULT_LINKOPTS}
+    )
+    target_compile_definitions(${_NAME} INTERFACE ${ABSL_CC_LIB_DEFINES})
+  endif()
+
+  # TODO currently we don't install googletest alongside abseil sources, so
+  # installed abseil can't be tested.
+  if(NOT ABSL_CC_LIB_TESTONLY AND ABSL_ENABLE_INSTALL)
+    install(TARGETS ${_NAME} EXPORT ${PROJECT_NAME}Targets
+          RUNTIME DESTINATION ${ABSL_INSTALL_BINDIR}
+          LIBRARY DESTINATION ${ABSL_INSTALL_LIBDIR}
+          ARCHIVE DESTINATION ${ABSL_INSTALL_LIBDIR}
+    )
+  endif()
 
     add_library(absl::${ABSL_CC_LIB_NAME} ALIAS ${_NAME})
-  endif()
 endfunction()
 
 # absl_cc_test()
@@ -221,23 +349,42 @@
   )
 
   set(_NAME "absl_${ABSL_CC_TEST_NAME}")
+
   add_executable(${_NAME} "")
   target_sources(${_NAME} PRIVATE ${ABSL_CC_TEST_SRCS})
   target_include_directories(${_NAME}
     PUBLIC ${ABSL_COMMON_INCLUDE_DIRS}
     PRIVATE ${GMOCK_INCLUDE_DIRS} ${GTEST_INCLUDE_DIRS}
   )
-  target_compile_definitions(${_NAME}
-    PUBLIC ${ABSL_CC_TEST_DEFINES}
-  )
+
+  if (${ABSL_BUILD_DLL})
+    target_compile_definitions(${_NAME}
+      PUBLIC
+        ${ABSL_CC_TEST_DEFINES}
+        ABSL_CONSUME_DLL
+        GTEST_LINKED_AS_SHARED_LIBRARY=1
+    )
+
+    # Replace dependencies on targets inside the DLL with abseil_dll itself.
+    absl_internal_dll_targets(
+      DEPS ${ABSL_CC_TEST_DEPS}
+      OUTPUT ABSL_CC_TEST_DEPS
+    )
+  else()
+    target_compile_definitions(${_NAME}
+      PUBLIC
+        ${ABSL_CC_TEST_DEFINES}
+    )
+  endif()
   target_compile_options(${_NAME}
     PRIVATE ${ABSL_CC_TEST_COPTS}
   )
+
   target_link_libraries(${_NAME}
     PUBLIC ${ABSL_CC_TEST_DEPS}
     PRIVATE ${ABSL_CC_TEST_LINKOPTS}
   )
-  # Add all Abseil targets to a a folder in the IDE for organization.
+  # Add all Abseil targets to a folder in the IDE for organization.
   set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER}/test)
 
   set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD ${ABSL_CXX_STANDARD})
diff --git a/CMake/AbseilInstallDirs.cmake b/CMake/AbseilInstallDirs.cmake
index b67272f..6fc914b 100644
--- a/CMake/AbseilInstallDirs.cmake
+++ b/CMake/AbseilInstallDirs.cmake
@@ -10,11 +10,11 @@
   set(ABSL_SUBDIR "${PROJECT_NAME}_${PROJECT_VERSION}")
   set(ABSL_INSTALL_BINDIR "${CMAKE_INSTALL_BINDIR}/${ABSL_SUBDIR}")
   set(ABSL_INSTALL_CONFIGDIR "${CMAKE_INSTALL_LIBDIR}/cmake/${ABSL_SUBDIR}")
-  set(ABSL_INSTALL_INCLUDEDIR "${CMAKE_INSTALL_INCLUDEDIR}/{ABSL_SUBDIR}")
+  set(ABSL_INSTALL_INCLUDEDIR "${CMAKE_INSTALL_INCLUDEDIR}/${ABSL_SUBDIR}")
   set(ABSL_INSTALL_LIBDIR "${CMAKE_INSTALL_LIBDIR}/${ABSL_SUBDIR}")
 else()
   set(ABSL_INSTALL_BINDIR "${CMAKE_INSTALL_BINDIR}")
   set(ABSL_INSTALL_CONFIGDIR "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}")
   set(ABSL_INSTALL_INCLUDEDIR "${CMAKE_INSTALL_INCLUDEDIR}")
   set(ABSL_INSTALL_LIBDIR "${CMAKE_INSTALL_LIBDIR}")
-endif()
\ No newline at end of file
+endif()
diff --git a/CMake/Googletest/CMakeLists.txt.in b/CMake/Googletest/CMakeLists.txt.in
index d60a33e..5769e3a 100644
--- a/CMake/Googletest/CMakeLists.txt.in
+++ b/CMake/Googletest/CMakeLists.txt.in
@@ -1,15 +1,14 @@
 cmake_minimum_required(VERSION 2.8.2)
 
-project(googletest-download NONE)
+project(googletest-external NONE)
 
 include(ExternalProject)
 ExternalProject_Add(googletest
-  GIT_REPOSITORY    https://github.com/google/googletest.git
-  GIT_TAG           master
-  SOURCE_DIR        "${CMAKE_BINARY_DIR}/googletest-src"
-  BINARY_DIR        "${CMAKE_BINARY_DIR}/googletest-build"
+  URL               "${absl_gtest_download_url}"  # May be empty
+  SOURCE_DIR        "${absl_gtest_src_dir}"
+  BINARY_DIR        "${absl_gtest_build_dir}"
   CONFIGURE_COMMAND ""
   BUILD_COMMAND     ""
   INSTALL_COMMAND   ""
   TEST_COMMAND      ""
-)
\ No newline at end of file
+)
diff --git a/CMake/Googletest/DownloadGTest.cmake b/CMake/Googletest/DownloadGTest.cmake
index 3c682ae..9d071c9 100644
--- a/CMake/Googletest/DownloadGTest.cmake
+++ b/CMake/Googletest/DownloadGTest.cmake
@@ -1,32 +1,41 @@
-# Downloads and unpacks googletest at configure time.  Based on the instructions
-# at https://github.com/google/googletest/tree/master/googletest#incorporating-into-an-existing-cmake-project
+# Integrates googletest at configure time.  Based on the instructions at
+# https://github.com/google/googletest/tree/master/googletest#incorporating-into-an-existing-cmake-project
 
-# Download the latest googletest from Github master
+# Set up the external googletest project, downloading the latest from Github
+# master if requested.
 configure_file(
   ${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt.in
-  ${CMAKE_BINARY_DIR}/googletest-download/CMakeLists.txt
+  ${CMAKE_BINARY_DIR}/googletest-external/CMakeLists.txt
 )
 
-# Configure and build the downloaded googletest source
+set(ABSL_SAVE_CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
+set(ABSL_SAVE_CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_RUNTIME_OUTPUT_DIRECTORY})
+if (BUILD_SHARED_LIBS)
+  set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DGTEST_CREATE_SHARED_LIBRARY=1")
+endif()
+
+# Configure and build the googletest source.
 execute_process(COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" .
   RESULT_VARIABLE result
-  WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/googletest-download )
+  WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/googletest-external )
 if(result)
   message(FATAL_ERROR "CMake step for googletest failed: ${result}")
 endif()
 
 execute_process(COMMAND ${CMAKE_COMMAND} --build .
   RESULT_VARIABLE result
-  WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/googletest-download)
+  WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/googletest-external)
 if(result)
   message(FATAL_ERROR "Build step for googletest failed: ${result}")
 endif()
 
+set(CMAKE_CXX_FLAGS ${ABSL_SAVE_CMAKE_CXX_FLAGS})
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${ABSL_SAVE_CMAKE_RUNTIME_OUTPUT_DIRECTORY})
+
 # Prevent overriding the parent project's compiler/linker settings on Windows
 set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
 
 # Add googletest directly to our build. This defines the gtest and gtest_main
 # targets.
-add_subdirectory(${CMAKE_BINARY_DIR}/googletest-src
-                 ${CMAKE_BINARY_DIR}/googletest-build
-                 EXCLUDE_FROM_ALL)
+add_subdirectory(${absl_gtest_src_dir} ${absl_gtest_build_dir} EXCLUDE_FROM_ALL)
diff --git a/CMake/README.md b/CMake/README.md
index 04d5df3..8f73475 100644
--- a/CMake/README.md
+++ b/CMake/README.md
@@ -93,7 +93,7 @@
 absl::memory
 absl::meta
 absl::numeric
-absl::random
+absl::random_random
 absl::strings
 absl::synchronization
 absl::time
diff --git a/CMake/abslConfig.cmake.in b/CMake/abslConfig.cmake.in
index 60847fa..62d246d 100644
--- a/CMake/abslConfig.cmake.in
+++ b/CMake/abslConfig.cmake.in
@@ -1,7 +1,8 @@
 # absl CMake configuration file.
 
-include(FindThreads)
+include(CMakeFindDependencyMacro)
+find_dependency(Threads)
 
 @PACKAGE_INIT@
 
-include ("${CMAKE_CURRENT_LIST_DIR}/@PROJECT_NAME@Targets.cmake")
\ No newline at end of file
+include ("${CMAKE_CURRENT_LIST_DIR}/@PROJECT_NAME@Targets.cmake")
diff --git a/CMake/install_test_project/test.sh b/CMake/install_test_project/test.sh
index 99989b0..ddc7726 100755
--- a/CMake/install_test_project/test.sh
+++ b/CMake/install_test_project/test.sh
@@ -118,6 +118,24 @@
   exit 1
 fi
 
+pushd "${HOME}"
+cat > hello-abseil.cc << EOF
+#include <cstdlib>
+
+#include "absl/strings/str_format.h"
+
+int main(int argc, char **argv) {
+  absl::PrintF("Hello Abseil!\n");
+  return EXIT_SUCCESS;
+}
+EOF
+export PKG_CONFIG_PATH="${install_dir}/${libdir}/pkgconfig"
+pc_args=($(pkg-config --cflags --libs --static absl_str_format))
+g++ -static -o hello-abseil hello-abseil.cc "${pc_args[@]}"
+hello="$(./hello-abseil)"
+[[ "${hello}" == "Hello Abseil!" ]]
+popd
+
 uninstall_absl
 popd