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Test reverting FindLibevent2

This commit is contained in:
Sara Dickinson 2023-06-21 11:26:42 +01:00
parent 83bbb57b00
commit c7b3f29f62
1 changed files with 35 additions and 51 deletions
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44
cmake/modules/FindLibevent2.cmake
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@ -1,22 +1,15 @@
#[=======================================================================[.rst:
FindLibevent2
-------------
Find the Libevent2 library. For now this finds the core library only.
Imported targets
^^^^^^^^^^^^^^^^
This module defines the following :prop_tgt:`IMPORTED` targets:
``Libevent2::Libevent_core``
The Libevent2 library, if found.
Result variables
^^^^^^^^^^^^^^^^
This module will set the following variables in your project:
``Libevent2_FOUND``
If false, do not try to use Libevent2.
``LIBEVENT2_INCLUDE_DIR``
@ -28,37 +21,27 @@ This module will set the following variables in your project:
#]=======================================================================]
find_package(PkgConfig QUIET)
if (PKG_CONFIG_FOUND)
pkg_check_modules(PkgLibevent IMPORTED_TARGET GLOBAL QUIET libevent>=2)
endif ()
if (PkgLibevent_FOUND)
set(LIBEVENT2_INCLUDE_DIR ${PkgLibevent_INCLUDE_DIRS} CACHE FILEPATH "libevent2 include path")
set(LIBEVENT2_LIBRARIES ${PkgLibevent_LIBRARIES} CACHE STRING "libevent2 libraries")
set(LIBEVENT2_VERSION ${PkgLibevent_VERSION})
add_library(Libevent2::Libevent_core ALIAS PkgConfig::PkgLibevent)
set(Libevent2_FOUND ON)
else ()
find_path(LIBEVENT2_INCLUDE_DIR event2/event.h
find_path(LIBEVENT2_INCLUDE_DIR event2/event.h
HINTS
"${LIBEVENT2_DIR}"
"${LIBEVENT2_DIR}/include"
)
)
find_library(LIBEVENT2_LIBRARIES NAMES event_core libevent_core
find_library(LIBEVENT2_LIBRARY NAMES event_core libevent_core
HINTS
"${LIBEVENT2_DIR}"
"${LIBEVENT2_DIR}/lib"
)
)
if (LIBEVENT2_INCLUDE_DIR AND LIBEVENT2_LIBRARIES)
set(LIBEVENT2_LIBRARIES "")
if (LIBEVENT2_INCLUDE_DIR AND LIBEVENT2_LIBRARY)
if (NOT TARGET Libevent2::Libevent_core)
add_library(Libevent2::Libevent_core UNKNOWN IMPORTED)
set_target_properties(Libevent2::Libevent_core PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${LIBEVENT2_INCLUDE_DIR}"
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
IMPORTED_LOCATION "${LIBEVENT2_LIBRARIES}"
IMPORTED_LOCATION "${LIBEVENT2_LIBRARY}"
)
endif ()
@ -66,13 +49,14 @@ else ()
file(STRINGS "${LIBEVENT2_INCLUDE_DIR}/event2/event-config.h" LIBEVENT2_H REGEX "^#define _?EVENT_+VERSION ")
string(REGEX REPLACE "^.*EVENT_+VERSION \"([^\"]+)\".*$" "\\1" LIBEVENT2_VERSION "${LIBEVENT2_H}")
endif ()
endif ()
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Libevent2
list(APPEND LIBEVENT2_LIBRARIES "${LIBEVENT2_LIBRARY}")
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Libevent2
REQUIRED_VARS LIBEVENT2_LIBRARIES LIBEVENT2_INCLUDE_DIR
VERSION_VAR LIBEVENT2_VERSION
)
endif ()
mark_as_advanced(LIBEVENT2_INCLUDE_DIR LIBEVENT2_LIBRARIES)
mark_as_advanced(LIBEVENT2_INCLUDE_DIR LIBEVENT2_LIBRARIES LIBEVENT2_LIBRARY)