Add vendored dependencies & cleanup script

third_party/abseil-cpp/CMake/install_test_project/CMakeLists.txt

@@ -0,0 +1,25 @@
+#
+# Copyright 2019 The Abseil Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# A simple CMakeLists.txt for testing cmake installation
+
+cmake_minimum_required(VERSION 3.5)
+project(absl_cmake_testing CXX)
+
+add_executable(simple simple.cc)
+
+find_package(absl REQUIRED)
+
+target_link_libraries(simple absl::strings)

third_party/abseil-cpp/CMake/install_test_project/simple.cc

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+//
+// Copyright 2019 The Abseil Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include <iostream>
+#include "absl/strings/substitute.h"
+
+int main(int argc, char** argv) {
+  for (int i = 0; i < argc; ++i) {
+    std::cout << absl::Substitute("Arg $0: $1\n", i, argv[i]);
+  }
+}

third_party/abseil-cpp/CMake/install_test_project/test.sh

@@ -0,0 +1,112 @@
+#!/bin/bash
+#
+# Copyright 2019 The Abseil Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# Unit and integration tests for Abseil LTS CMake installation
+
+# Fail on any error. Treat unset variables an error. Print commands as executed.
+set -euox pipefail
+
+absl_dir=/abseil-cpp
+absl_build_dir=/buildfs
+googletest_builddir=/googletest_builddir
+project_dir="${absl_dir}"/CMake/install_test_project
+project_build_dir=/buildfs/project-build
+
+build_shared_libs="OFF"
+if [ "${LINK_TYPE:-}" = "DYNAMIC" ]; then
+  build_shared_libs="ON"
+fi
+
+# Build and install GoogleTest
+mkdir "${googletest_builddir}"
+pushd "${googletest_builddir}"
+curl -L "${ABSL_GOOGLETEST_DOWNLOAD_URL}" --output "${ABSL_GOOGLETEST_COMMIT}".zip
+unzip "${ABSL_GOOGLETEST_COMMIT}".zip
+pushd "googletest-${ABSL_GOOGLETEST_COMMIT}"
+mkdir build
+pushd build
+cmake -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS="${build_shared_libs}" ..
+make -j $(nproc)
+make install
+ldconfig
+popd
+popd
+popd
+
+# Run the LTS transformations
+./create_lts.py 99998877
+
+# Build and install Abseil
+pushd "${absl_build_dir}"
+cmake "${absl_dir}" \
+  -DABSL_USE_EXTERNAL_GOOGLETEST=ON \
+  -DABSL_FIND_GOOGLETEST=ON  \
+  -DCMAKE_BUILD_TYPE=Release \
+  -DBUILD_TESTING=ON \
+  -DBUILD_SHARED_LIBS="${build_shared_libs}"
+make -j $(nproc)
+ctest -j $(nproc)
+make install
+ldconfig
+popd
+
+# Test the project against the installed Abseil
+mkdir -p "${project_build_dir}"
+pushd "${project_build_dir}"
+cmake "${project_dir}"
+cmake --build . --target simple
+
+output="$(${project_build_dir}/simple "printme" 2>&1)"
+if [[ "${output}" != *"Arg 1: printme"* ]]; then
+  echo "Faulty output on simple project:"
+  echo "${output}"
+  exit 1
+fi
+
+popd
+
+if ! grep absl::strings "/usr/local/lib/cmake/absl/abslTargets.cmake"; then
+  cat "/usr/local/lib/cmake/absl/abslTargets.cmake"
+  echo "CMake targets named incorrectly"
+  exit 1
+fi
+
+pushd "${HOME}"
+cat > hello-abseil.cc << EOF
+#include <cstdlib>
+
+#include "absl/strings/str_format.h"
+
+int main(int argc, char **argv) {
+  absl::PrintF("Hello Abseil!\n");
+  return EXIT_SUCCESS;
+}
+EOF
+
+if [ "${LINK_TYPE:-}" != "DYNAMIC" ]; then
+  pc_args=($(pkg-config --cflags --libs --static absl_str_format))
+  g++ -static -o hello-abseil hello-abseil.cc "${pc_args[@]}"
+else
+  pc_args=($(pkg-config --cflags --libs absl_str_format))
+  g++ -o hello-abseil hello-abseil.cc "${pc_args[@]}"
+fi
+hello="$(./hello-abseil)"
+[[ "${hello}" == "Hello Abseil!" ]]
+
+popd
+
+echo "Install test complete!"
+exit 0