Initial commit

CMake/resolve_dependency_modules/hyperscan.cmake

@@ -0,0 +1,52 @@
+# Copyright (c) Facebook, Inc. and its affiliates.
+#
+# 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
+#
+#     http://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_guard(GLOBAL)
+
+if(DEFINED ENV{VELOX_HYPERSCAN_URL})
+  set(VELOX_HYPERSCAN_SOURCE_URL "$ENV{VELOX_HYPERSCAN_URL}")
+else()
+  set(VELOX_HYPERSCAN_VERSION v5.4.2)
+  set(VELOX_HYPERSCAN_SOURCE_URL
+      "https://github.com/intel/hyperscan/archive/refs/tags/${VELOX_HYPERSCAN_VERSION}.tar.gz"
+  )
+  set(VELOX_HYPERSCAN_BUILD_SHA256_CHECKSUM
+      32b0f24b3113bbc46b6bfaa05cf7cf45840b6b59333d078cc1f624e4c40b2b99)
+endif()
+
+message(STATUS "Building hyperscan from source")
+FetchContent_Declare(
+  hyperscan
+  URL ${VELOX_HYPERSCAN_SOURCE_URL}
+  URL_HASH SHA256=${VELOX_HYPERSCAN_BUILD_SHA256_CHECKSUM})
+
+set(CMAKE_CXX_STANDARD_BACKUP ${CMAKE_CXX_STANDARD})
+# C++ 17 is not supported.
+set(CMAKE_CXX_STANDARD 11)
+set(BUILD_EXAMPLES FALSE)
+#set(BUILD_AVX512 ON)
+FetchContent_MakeAvailable(hyperscan)
+set(CMAKE_CXX_STANDARD ${CMAKE_CXX_STANDARD_BACKUP})
+# if(ICU_SOURCE)
+#   # empty var will cause a syntax error
+#   if(${ICU_SOURCE} STREQUAL "BUNDLED")
+#     # build re2 after icu so the files are available
+#     add_dependencies(re2 ICU ICU::uc)
+#   endif()
+# endif()
+
+# set(re2_LIBRARIES ${re2_BINARY_DIR}/libre2.a)
+# set(re2_INCLUDE_DIRS ${re2_SOURCE_DIR})
+
+# set(RE2_ROOT ${re2_BINARY_DIR})
+# set(re2_ROOT ${re2_BINARY_DIR})

CMakeLists.txt

@@ -428,6 +428,9 @@ endif()
 set_source(re2)
 resolve_dependency(re2)
 
+set_source(hyperscan)
+resolve_dependency(hyperscan 5.4.2)
+
 if(${VELOX_BUILD_PYTHON_PACKAGE})
   set_source(pybind11)
   resolve_dependency(pybind11 2.10.0)