configure: Add checks for <sys/uio.h> and writev().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124769 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index 0cc3d3ef506b5b4752722c4a219755b02e390df9..260b4b46a2f3f3e4b27e145404dfada93da5cecc 100644 (file)
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -1328,7 +1328,7 @@ AC_HEADER_TIME
 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
 AC_CHECK_HEADERS([utime.h windows.h])
-AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
+AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
 AC_CHECK_HEADERS([valgrind/valgrind.h])
 AC_CHECK_HEADERS([fenv.h])
@@ -1393,7 +1393,7 @@ AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ])
 AC_CHECK_FUNCS([strerror strerror_r strerror_s setenv ])
 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
-AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
+AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
 AC_C_PRINTF_A
 AC_FUNC_RAND48