-check_decl(pipe2 unistd.h)
-check_decl(SOCK_NONBLOCK sys/socket.h)
-check_decl(SOCK_CLOEXEC sys/socket.h)
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/CMake")
+include(Catch)
+
+add_definitions(-D_GNU_SOURCE)
+set(CMAKE_REQUIRED_DEFINITIONS -D_GNU_SOURCE)
+check_symbol(pipe2 unistd.h)
+check_symbol(SOCK_NONBLOCK sys/socket.h)
+check_symbol(SOCK_CLOEXEC sys/socket.h)
+check_include(sys/wait.h)
+check_symbol(waitid sys/wait.h)
+if(HAVE_WAITID)
+ check_c_source("
+ #include <sys/types.h>
+ #include <sys/wait.h>
+ int main() {
+ siginfo_t s;
+ return waitid(P_ALL, 0, &s, WNOWAIT|WEXITED);
+ }"
+ HAVE_WAITID_NOWAIT
+ )
+endif()
+if(NOT HAVE_SYS_WAIT_H)
+ message(SEND_ERROR "Could not find header <sys/wait.h>")
+ set(ENV{INVALID_CONFIGURATION} 1)
+endif()
+
+# memcached(1)
+if(NOT MEMCACHED_BINARY)
+ find_package(Memcached)
+ set(MEMCACHED_BINARY ${MEMCACHED_EXECUTABLE})
+endif()
+if(NOT MEMCACHED_BINARY)
+ message(SEND_ERROR "Could not find memcached(1) binary")
+ set(ENV{INVALID_CONFIGURATION} 1)
+endif()