libuhttpd/cmake/Modules/FindLibev.cmake

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# - Try to find libev
# Once done this will define
# LIBEV_FOUND - System has libev
# LIBEV_INCLUDE_DIR - The libev include directories
# LIBEV_LIBRARY - The libraries needed to use libev
find_path(LIBEV_INCLUDE_DIR ev.h PATH_SUFFIXES libev)
find_library(LIBEV_LIBRARY ev PATH_SUFFIXES lib64)
if(LIBEV_INCLUDE_DIR)
file(STRINGS "${LIBEV_INCLUDE_DIR}/ev.h"
LIBEV_VERSION_MAJOR REGEX "^#define[ \t]+EV_VERSION_MAJOR[ \t]+[0-9]+")
file(STRINGS "${LIBEV_INCLUDE_DIR}/ev.h"
LIBEV_VERSION_MINOR REGEX "^#define[ \t]+EV_VERSION_MINOR[ \t]+[0-9]+")
string(REGEX REPLACE "[^0-9]+" "" LIBEV_VERSION_MAJOR "${LIBEV_VERSION_MAJOR}")
string(REGEX REPLACE "[^0-9]+" "" LIBEV_VERSION_MINOR "${LIBEV_VERSION_MINOR}")
set(LIBEV_VERSION "${LIBEV_VERSION_MAJOR}.${LIBEV_VERSION_MINOR}")
unset(LIBEV_VERSION_MINOR)
unset(LIBEV_VERSION_MAJOR)
endif()
include(FindPackageHandleStandardArgs)
# handle the QUIETLY and REQUIRED arguments and set LIBEV_FOUND to TRUE
# if all listed variables are TRUE and the requested version matches.
find_package_handle_standard_args(Libev REQUIRED_VARS
LIBEV_LIBRARY LIBEV_INCLUDE_DIR
VERSION_VAR LIBEV_VERSION)
mark_as_advanced(LIBEV_INCLUDE_DIR LIBEV_LIBRARY)