diff -up ./CMakeLists.txt.1 ./CMakeLists.txt
--- ./CMakeLists.txt.1	2020-05-24 00:36:23.000000000 -0400
+++ ./CMakeLists.txt	2020-05-26 21:06:16.035802108 -0400
@@ -36,6 +36,8 @@ else(${PKG_CONFIG_FOUND})
 endif(${PKG_CONFIG_FOUND})
 endif(UNIX)
 
+find_package(absl)
+
 # Set default build type.
 if(NOT CMAKE_BUILD_TYPE)
   message(STATUS "Setting build type to 'RelWithDebInfo' as none was specified.")
@@ -89,7 +91,6 @@ endif(UNIX)
 
 include_directories(.)
 include_directories(src)
-include_directories(third_party/abseil-cpp)
 include_directories("${CMAKE_CURRENT_BINARY_DIR}/src")
 
 # Baseline build flags.
@@ -159,6 +160,13 @@ add_library(libbloaty
     src/macho.cc
     src/range_map.cc
     src/webassembly.cc
+)
+
+if (absl_FOUND)
+  target_link_libraries(libbloaty PUBLIC absl::base absl::strings absl::numeric)
+else()
+  include_directories(third_party/abseil-cpp)
+  target_sources(libbloaty
     # Until Abseil has a proper CMake build system
     third_party/abseil-cpp/absl/base/internal/raw_logging.cc # Grrrr...
     third_party/abseil-cpp/absl/base/internal/throw_delegate.cc
@@ -179,7 +187,8 @@ add_library(libbloaty
     third_party/abseil-cpp/absl/types/bad_optional_access.cc
     # One source file, no special build system needed.
     third_party/demumble/third_party/libcxxabi/cxa_demangle.cpp
-    )
+  )
+endif()
 
 if(UNIX)
   set(LIBBLOATY_LIBS libbloaty)
@@ -249,9 +258,8 @@ else()
     enable_testing()
 
     if(BUILD_TESTING)
-      add_subdirectory(third_party/googletest)
-      include_directories(third_party/googletest/googletest/include)
-      include_directories(third_party/googletest/googlemock/include)
+      find_package(GTest)
+      pkg_search_module(GMock gmock)
 
       set(TEST_TARGETS
           bloaty_test
@@ -261,7 +269,7 @@ else()
 
       foreach(target ${TEST_TARGETS})
         add_executable(${target} tests/${target}.cc)
-        target_link_libraries(${target} "${LIBBLOATY_LIBS}" gtest_main gmock "${CMAKE_THREAD_LIBS_INIT}")
+        target_link_libraries(${target} "${LIBBLOATY_LIBS}" GTest::Main GTest::GTest ${GMock_LIBRARIES} "${CMAKE_THREAD_LIBS_INIT}")
       endforeach(target)
 
       add_executable(fuzz_test tests/fuzz_target.cc tests/fuzz_driver.cc)