[chimera] Add new port

ports/chimera/CONTROL

@@ -0,0 +1,6 @@
+Source: chimera
+Version: 5.2.1
+Homepage: https://github.com/intel/hyperscan
+Description: Chimera is a software regular expression matching engine that is a hybrid of Hyperscan and PCRE. The design goals of Chimera are to fully support PCRE syntax as well as to take advantage of the high performance nature of Hyperscan.
+Build-Depends: python3, ragel, hyperscan
+Supports: windows

ports/chimera/fix-cmakelists.patch

@@ -0,0 +1,47 @@
+diff --git a/chimera/CMakeLists.txt b/chimera/CMakeLists.txt
+index 1cd66a3..9caa366 100644
+--- a/chimera/CMakeLists.txt
++++ b/chimera/CMakeLists.txt
+@@ -1,7 +1,24 @@
+ # Chimera lib
++cmake_minimum_required (VERSION 2.8.11)
++project (chimera C CXX)
+
+-include_directories(${PCRE_INCLUDE_DIRS})
++set (HS_MAJOR_VERSION 5)
++set (HS_MINOR_VERSION 3)
++set (HS_PATCH_VERSION 0)
++set (HS_VERSION ${HS_MAJOR_VERSION}.${HS_MINOR_VERSION}.${HS_PATCH_VERSION})
+
++set(HS_INTERNAL_INCLUDE_DIRS ${CMAKE_CURRENT_LIST_DIR}/../src)
++
++configure_file(${CMAKE_CURRENT_LIST_DIR}/../cmake/config.h.in ${CMAKE_BINARY_DIR}/config.h)
++configure_file(${CMAKE_CURRENT_LIST_DIR}/../src/hs_version.h.in ${CMAKE_BINARY_DIR}/hs_version.h)
++
++find_path(HS_INCLUDE_DIRS hs_common.h PATH_SUFFIXES hs)
++find_library(hs hs REQUIRED)
++find_library(hs_rt hs_runtime REQUIRED)
++
++find_path(PCRE_INCLUDE_DIRS pcre.h)
++find_library(pcre pcre REQUIRED)
++include_directories(${PCRE_INCLUDE_DIRS} ${HS_INCLUDE_DIRS} ${HS_INTERNAL_INCLUDE_DIRS} ${CMAKE_BINARY_DIR})
+ # only set these after all tests are done
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_C_FLAGS}")
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${EXTRA_CXX_FLAGS}")
+@@ -28,11 +45,14 @@ SET(chimera_SRCS
+ )
+
+ add_library(chimera STATIC ${chimera_SRCS})
+-add_dependencies(chimera hs pcre)
+-target_link_libraries(chimera hs pcre)
++target_link_libraries(chimera hs pcre hs_rt)
++target_compile_definitions(chimera PUBLIC -DUSE_INTRIN_H)
+
+ install(TARGETS chimera DESTINATION ${CMAKE_INSTALL_LIBDIR})
+
++file(GLOB CHIMERA_HEADERS ${CMAKE_CURRENT_LIST_DIR}/*.h)
++install(FILES ${CHIMERA_HEADERS} DESTINATION include)
++
+ if (NOT WIN32)
+     # expand out library names for pkgconfig static link info
+     foreach (LIB ${CMAKE_CXX_IMPLICIT_LINK_LIBRARIES})

ports/chimera/portfile.cmake

@@ -0,0 +1,31 @@
+vcpkg_check_linkage(ONLY_STATIC_LIBRARY)
+
+# checkout hyperscan source code which is required by and also contains chimera
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO intel/hyperscan
+    REF c00683d73916e39f01b0d418f686c8b5c379159c
+    SHA512 3c4d52706901acc9ef4c3d12b0e5b2956f4e6bce13f6828a4ba3b736c05ffacb1d733ef9c226988ca80220584525f9cb6dcfe4914ced6cc34ae6a0a45975afb5
+    HEAD_REF master
+    PATCHES fix-cmakelists.patch
+)
+
+vcpkg_find_acquire_program(PYTHON3)
+get_filename_component(PYTHON3_DIR ${PYTHON3} DIRECTORY)
+set(ENV{PATH} "$ENV{PATH};${PYTHON3_DIR}")
+
+vcpkg_configure_cmake(
+    SOURCE_PATH ${SOURCE_PATH}/chimera
+    PREFER_NINJA
+    OPTIONS
+        -DPYTHON_EXECUTABLE=${PYTHON3}
+)
+
+vcpkg_install_cmake()
+
+# remove debug dir
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/include")
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/share")
+
+# Handle copyright
+file(INSTALL ${SOURCE_PATH}/LICENSE DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT} RENAME copyright)

ports/chimera/usage

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+
+The package @PORT@:@TARGET_TRIPLET@ provides CMake targets:
+
+    find_library(CHIMERA_LIBRARY NAMES chimera)
+    find_library(HS_LIBRARY NAMES hs)
+    find_path(CHIMERA_INCLUDE_DIR hs)
+    find_library(PCRE_LIBRARY NAMES pcre)
+
+    target_include_directories(main PUBLIC ${CHIMERA_INCLUDE_DIR})
+    target_link_libraries(main ${CHIMERA_LIBRARY} ${HS_LIBRARY} ${PCRE_LIBRARY})