configure: check for pthreads

2 files changed, 64 insertions, 3 deletions

diff --git a/configure b/configure
index 0c00fcf..c225d62 100755
--- a/configure
+++ b/configure
@@ -3706,8 +3706,66 @@ case "x$target_os" in #(
      ;;
 esac
 
-# Checks for Lua.
+# Check for pthread library
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing pthread_create" >&5
+$as_echo_n "checking for library containing pthread_create... " >&6; }
+if ${ac_cv_search_pthread_create+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_func_search_save_LIBS=$LIBS
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char pthread_create ();
+int
+main ()
+{
+return pthread_create ();
+  ;
+  return 0;
+}
+_ACEOF
+for ac_lib in '' pthread; do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+  fi
+  if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_search_pthread_create=$ac_res
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext
+  if ${ac_cv_search_pthread_create+:} false; then :
+  break
+fi
+done
+if ${ac_cv_search_pthread_create+:} false; then :
 
+else
+  ac_cv_search_pthread_create=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pthread_create" >&5
+$as_echo "$ac_cv_search_pthread_create" >&6; }
+ac_res=$ac_cv_search_pthread_create
+if test "$ac_res" != no; then :
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+
+fi
+
+
+# Checks for Lua.
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -4668,7 +4726,7 @@ fi
 fi
 
 # Checks for header files.
-for ac_header in stddef.h stdlib.h string.h unistd.h time.h
+for ac_header in stddef.h stdlib.h string.h unistd.h sys/time.h time.h pthread.h
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
diff --git a/configure.ac b/configure.ac
index 889cdc3..f78c395 100644
--- a/configure.ac
+++ b/configure.ac
@@ -45,6 +45,9 @@ AS_CASE(["x$target_os"],
   [SHARED='-dynamiclib -Wl,-undefined,dynamic_lookup']
   [STRIP="$STRIP -x"])
 
+# Check for pthread library
+AC_SEARCH_LIBS([pthread_create], [pthread])
+
 # Checks for Lua.
 AS_CASE(["x$with_lua"],
   [xcheck],
@@ -90,7 +93,7 @@ AS_IF([test "x$with_lua" = 'xbuiltin'],
   [AS_IF([test "x$cmoddir" = 'x'], [cmoddir="\${libdir}/lua/$builtin_lua_version"])])
 
 # Checks for header files.
-AC_CHECK_HEADERS([stddef.h stdlib.h string.h unistd.h time.h])
+AC_CHECK_HEADERS([stddef.h stdlib.h string.h unistd.h sys/time.h time.h pthread.h])
 AC_CHECK_HEADERS([sys/eventfd.h sys/epoll.h sys/event.h])
 
 #  [AC_RUN_IFELSE([AC_LANG_PROGRAM([