early-access version 2853

externals/vcpkg/ports/metrohash/CMakeLists.txt

@@ -0,0 +1,69 @@
+cmake_minimum_required(VERSION 3.5)
+project(metrohash LANGUAGES CXX)
+set(CMAKE_CXX_STANDARD 11)
+
+add_library(metrohash
+            src/metrohash64.cpp
+            src/metrohash128.cpp
+            )
+list(APPEND metro_headers src/metrohash.h src/metrohash64.h src/metrohash128.h)
+
+include(CheckCXXSourceCompiles)
+include(CheckCXXCompilerFlag)
+
+if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+    check_cxx_compiler_flag("-msse4.2" HAS_MSSE42)
+    if(HAS_MSSE42)
+        target_compile_options(metrohash PRIVATE -msse4.2)
+        string(APPEND CMAKE_REQUIRED_FLAGS " -msse4.2")
+    endif()
+endif()
+
+check_cxx_source_compiles(
+"#include <nmmintrin.h>
+int main() {
+    _mm_crc32_u64(0, 0);
+    return 0;
+}"
+HAS_mm_crc32_u64)
+
+if(HAS_mm_crc32_u64)
+    list(APPEND metro_headers src/metrohash128crc.h)
+    target_sources(metrohash PRIVATE src/metrohash128crc.cpp)
+endif()
+if(CMAKE_CXX_COMPILER_ID MATCHES GNU)
+    target_compile_options(metrohash PRIVATE -march=native)
+endif()
+
+set_target_properties(metrohash PROPERTIES
+                      PUBLIC_HEADER "${metro_headers}"
+                      )
+
+include(CMakePackageConfigHelpers)
+
+set(generated_dir "${CMAKE_CURRENT_BINARY_DIR}/generated")
+set(project_config "${generated_dir}/${PROJECT_NAME}Config.cmake")
+set(config_install_dir "lib/cmake/${PROJECT_NAME}")
+set(TARGETS_EXPORT_NAME "${PROJECT_NAME}Targets")
+set(namespace "${PROJECT_NAME}::")
+
+configure_package_config_file(
+        "${CMAKE_SOURCE_DIR}/cmake/Config.cmake.in"
+        "${project_config}"
+        INSTALL_DESTINATION "${config_install_dir}"
+)
+#Installation
+install(TARGETS metrohash
+        EXPORT "${TARGETS_EXPORT_NAME}"
+        LIBRARY DESTINATION "lib"
+        ARCHIVE DESTINATION "lib"
+        PUBLIC_HEADER DESTINATION "include")
+
+install(
+        FILES "${project_config}"
+        DESTINATION "${config_install_dir}"
+)
+install(EXPORT "${TARGETS_EXPORT_NAME}"
+        NAMESPACE "${namespace}"
+        DESTINATION "${config_install_dir}"
+        )