1 files changed, 110 insertions, 0 deletions
diff --git a/external/libevent/AddEventLibrary.cmake b/external/libevent/AddEventLibrary.cmake
new file mode 100644
index 00000000..673c5220
--- /dev/null
+++ b/external/libevent/AddEventLibrary.cmake
@@ -0,0 +1,110 @@
+include(CMakeParseArguments)
+
+#set(LIBEVENT_SHARED_LIBRARIES "")
+set(LIBEVENT_STATIC_LIBRARIES "")
+
+macro(set_event_lib_properties LIB_NAME)
+    set_target_properties("${LIB_NAME}_static" PROPERTIES ${ARGN})
+    set_target_properties("${LIB_NAME}_shared" PROPERTIES ${ARGN})
+endmacro()
+
+macro(set_event_shared_lib_flags LIB_NAME)
+    set_target_properties("${LIB_NAME}_shared" PROPERTIES
+        COMPILE_FLAGS ${ARGN})
+    set_target_properties("${LIB_NAME}_shared" PROPERTIES
+        LINK_FLAGS ${ARGN})
+endmacro()
+
+macro(generate_pkgconfig LIB_NAME)
+    set(prefix      ${CMAKE_INSTALL_PREFIX})
+    set(exec_prefix ${CMAKE_INSTALL_PREFIX})
+    set(libdir      ${CMAKE_INSTALL_PREFIX}/lib)
+    set(includedir  ${CMAKE_INSTALL_PREFIX}/include)
+
+    set(VERSION ${EVENT_ABI_LIBVERSION})
+
+    set(LIBS         "")
+    foreach (LIB ${LIB_PLATFORM})
+        set(LIBS "${LIBS} -L${LIB}")
+    endforeach()
+
+    set(OPENSSL_LIBS "")
+    foreach(LIB ${OPENSSL_LIBRARIES})
+        set(OPENSSL_LIBS "${OPENSSL_LIBS} -L${LIB}")
+    endforeach()
+
+    configure_file("lib${LIB_NAME}.pc.in" "lib${LIB_NAME}.pc" @ONLY)
+    install(
+        FILES "${CMAKE_CURRENT_BINARY_DIR}/lib${LIB_NAME}.pc"
+        DESTINATION "${CMAKE_INSTALL_PREFIX}/lib/pkgconfig"
+    )
+endmacro()
+
+
+# Global variables that it uses:
+# - EVENT_ABI_LIBVERSION
+# - CMAKE_THREAD_LIBS_INIT LIB_PLATFORM
+# - OPENSSL_LIBRARIES
+# - HDR_PUBLIC
+# - EVENT_INSTALL_INCLUDE_DIR
+# - EVENT_SHARED_FLAGS
+#
+# Exported variables:
+# - LIBEVENT_SHARED_LIBRARIES
+# - LIBEVENT_STATIC_LIBRARIES
+macro(add_event_library LIB_NAME)
+    cmake_parse_arguments(LIB
+        "" # Options
+        "VERSION" # One val
+        "SOURCES;LIBRARIES" # Multi val
+        ${ARGN}
+    )
+
+    add_library("${LIB_NAME}_static" STATIC ${LIB_SOURCES})
+    add_library("${LIB_NAME}_shared" SHARED ${LIB_SOURCES})
+
+    target_link_libraries("${LIB_NAME}_shared"
+        ${CMAKE_THREAD_LIBS_INIT}
+        ${LIB_PLATFORM}
+        ${LIB_LIBRARIES})
+
+    if (EVENT_SHARED_FLAGS)
+        set_event_shared_lib_flags("${LIB_NAME}" "${EVENT_SHARED_FLAGS}")
+    endif()
+
+    set_event_lib_properties("${LIB_NAME}"
+        OUTPUT_NAME "${LIB_NAME}"
+        CLEAN_DIRECT_OUTPUT 1
+    )
+
+    set_target_properties(
+        "${LIB_NAME}_shared" PROPERTIES
+        PUBLIC_HEADER "${HDR_PUBLIC}")
+    set_target_properties(
+        "${LIB_NAME}_static" PROPERTIES
+        PUBLIC_HEADER "${HDR_PUBLIC}")
+
+    set_target_properties(
+        "${LIB_NAME}_shared" PROPERTIES
+        SOVERSION ${EVENT_ABI_LIBVERSION}
+    )
+
+    export(TARGETS "${LIB_NAME}_static" #"${LIB_NAME}_shared"
+       FILE "${PROJECT_BINARY_DIR}/LibeventTargets.cmake"
+       APPEND
+    )
+
+    install(TARGETS "${LIB_NAME}_static" #"${LIB_NAME}_shared"
+        EXPORT LibeventTargets
+        LIBRARY DESTINATION "lib" COMPONENT lib
+        ARCHIVE DESTINATION "lib" COMPONENT lib
+        PUBLIC_HEADER DESTINATION "include/event2"
+        COMPONENT dev
+    )
+
+    #list(APPEND LIBEVENT_SHARED_LIBRARIES "${LIB_NAME}_shared")
+    list(APPEND LIBEVENT_STATIC_LIBRARIES "${LIB_NAME}_static")
+
+    generate_pkgconfig("${LIB_NAME}")
+endmacro()
+