diff -ru mariadb-10.1.12.orig/configure.cmake mariadb-10.1.12/configure.cmake
--- mariadb-10.1.12.orig/configure.cmake	2016-02-24 16:25:21.000000000 +0200
+++ mariadb-10.1.12/configure.cmake	2016-03-08 21:11:52.767533395 +0200
@@ -1087,9 +1087,12 @@
 CHECK_STRUCT_HAS_MEMBER("struct dirent" d_ino "dirent.h"  STRUCT_DIRENT_HAS_D_INO)
 CHECK_STRUCT_HAS_MEMBER("struct dirent" d_namlen "dirent.h"  STRUCT_DIRENT_HAS_D_NAMLEN)
 SET(SPRINTF_RETURNS_INT 1)
-CHECK_INCLUDE_FILE(ucontext.h HAVE_UCONTEXT_H)
-IF(NOT HAVE_UCONTEXT_H)
-  CHECK_INCLUDE_FILE(sys/ucontext.h HAVE_UCONTEXT_H)
+CHECK_INCLUDE_FILE(ucontext.h HAVE_UCONTEXT_HEADER)
+IF(NOT HAVE_UCONTEXT_HEADER)
+  CHECK_INCLUDE_FILE(sys/ucontext.h HAVE_UCONTEXT_HEADER)
+ENDIF()
+IF(HAVE_UCONTEXT_HEADER)
+  CHECK_FUNCTION_EXISTS(makecontext HAVE_UCONTEXT_H)
 ENDIF()
 
 CHECK_STRUCT_HAS_MEMBER("struct timespec" tv_sec "time.h" STRUCT_TIMESPEC_HAS_TV_SEC)