Temporarily revert 185601 as it caused cmake build regressions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185603 91177308-0d34-0410-b5e6-96231b3b80d8

autoconf/configure.ac

@@ -1619,7 +1619,6 @@ AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit strdup ])
 AC_CHECK_FUNCS([strerror strerror_r setenv arc4random ])
 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
-AC_CHECK_FUNCS([futimes futimens])
 AC_C_PRINTF_A
 AC_FUNC_RAND48
 

cmake/config-ix.cmake

@@ -136,8 +136,6 @@ check_symbol_exists(log10 math.h HAVE_LOG10)
 check_symbol_exists(exp math.h HAVE_EXP)
 check_symbol_exists(exp2 math.h HAVE_EXP2)
 check_symbol_exists(exp10 math.h HAVE_EXP10)
-check_symbol_exists(futimens sys/stat.h HAVE_FUTIMENS)
-check_symbol_exists(futimes sys/time.h HAVE_FUTIMES)
 if( HAVE_SETJMP_H )
   check_symbol_exists(longjmp setjmp.h HAVE_LONGJMP)
   check_symbol_exists(setjmp setjmp.h HAVE_SETJMP)

configure

@@ -10546,7 +10546,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<EOF
-#line 10549 "configure"
+#line 10542 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -19064,117 +19064,6 @@ _ACEOF
 fi
 done
 
-
-
-for ac_func in futimes futimens
-do
-as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-{ echo "$as_me:$LINENO: checking for $ac_func" >&5
-echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6; }
-if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define $ac_func innocuous_$ac_func
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $ac_func (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef $ac_func
-
-/* 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 $ac_func ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined __stub_$ac_func || defined __stub___$ac_func
-choke me
-#endif
-
-int
-main ()
-{
-return $ac_func ();
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  eval "$as_ac_var=yes"
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	eval "$as_ac_var=no"
-fi
-
-rm -f core conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
-fi
-ac_res=`eval echo '${'$as_ac_var'}'`
-	       { echo "$as_me:$LINENO: result: $ac_res" >&5
-echo "${ECHO_T}$ac_res" >&6; }
-if test `eval echo '${'$as_ac_var'}'` = yes; then
-  cat >>confdefs.h <<_ACEOF
-#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-_ACEOF
-
-fi
-done
-
 { echo "$as_me:$LINENO: checking if printf has the %a format character" >&5
 echo $ECHO_N "checking if printf has the %a format character... $ECHO_C" >&6; }
 if test "${llvm_cv_c_printf_a+set}" = set; then

include/llvm/Config/config.h.in

@@ -166,12 +166,6 @@
 /* Define to 1 if you have the `fmodf' function. */
 #undef HAVE_FMODF
 
-/* Define to 1 if you have the `futimens' function. */
-#undef HAVE_FUTIMENS
-
-/* Define to 1 if you have the `futimes' function. */
-#undef HAVE_FUTIMES
-
 /* Define to 1 if you have the `getcwd' function. */
 #undef HAVE_GETCWD
 

lib/Support/Unix/Path.inc

@@ -626,21 +626,11 @@ error_code permissions(const Twine &path, perms prms) {
 }
 
 error_code setLastModificationAndAccessTime(int FD, TimeValue Time) {
-#if HAVE_FUTIMENS
-  timespec Times[2];
-  Times[0].tv_sec = Time.toPosixTime();
-  Times[0].tv_nsec = 0;
-  Times[1] = Times[0];
-  if (::futimens(FD, Times))
-#elif HAVE_FUTIMES
   timeval Times[2];
   Times[0].tv_sec = Time.toPosixTime();
   Times[0].tv_usec = 0;
   Times[1] = Times[0];
   if (::futimes(FD, Times))
-#else
-#error Missing futimes() and futimens()
-#endif
     return error_code(errno, system_category());
   return error_code::success();
 }