+CHECK_INCLUDE_FILES(machine/endian.h HAVE_MACHINE_ENDIAN_H)
+CHECK_INCLUDE_FILES(sys/endian.h HAVE_SYS_ENDIAN_H)
+CHECK_INCLUDE_FILES(endian.h HAVE_ENDIAN_H)
+if (NOT HAVE_ENDIAN_H)
+ if (HAVE_MACHINE_ENDIAN_H OR HAVE_SYS_ENDIAN_H)
+ configure_file(CMake/endian.h.in ${PROJECT_BINARY_DIR}/include/endian.h)
+ else()
+ message(FATAL_ERROR "Cannot find endian.h")
+ endif()
+endif()
+
+
+include(CheckTypeSize)
+set(CMAKE_EXTRA_INCLUDE_FILES "signal.h")
+check_type_size("sig_t" SIG_T LANGUAGE "CXX")
+check_type_size("sighandler_t" SIGHANDLER_T LANGUAGE "CXX")
+set(CMAKE_EXTRA_INCLUDE_FILES)
+if (NOT HAVE_SIGHANDLER_T)
+ if (HAVE_SIG_T)
+ add_definitions(-Dsighandler_t=sig_t)
+ else()
+ message(FATAL_ERROR "Platform defines neither sig_t nor sighandler_t")
+ endif()
+endif()
+
+# Handle resolving
+check_function_exists(res_init HAVE_LIBC_RESOLV)
+if(HAVE_LIBC_RESOLV)
+ set(RESOLV_LIBRARIES)
+else()
+ set(RESOLV_LIBRARIES -lresolv)
+endif()
+