no atomic?

configure

@@ -1474,13 +1474,13 @@ Some influential environment variables:
   DEBUG       Build a debug version of the application
   LT_SYS_LIBRARY_PATH
               User-defined run-time library search path.
-  CCP4        The location where CCP4 is installed. This is only required if
+  CCP4        The location where CCP4 is installed. CCP4 is only required if
               you want to rebuild the symmetry operations table.
   MRC         Specify a location for the mrc executable
   DATA_LIB_DIR
-              The location where to store packaged dictionary files
+              The location where to store packaged dictionary and CCD files
   DATA_CACHE_DIR
-              The location where to store cached dictionary files
+              The location where to store cached dictionary and CCD files
 
 Use these variables to override the choices made by `configure' or to help
 it to find libraries and programs with nonstandard names/locations.
@@ -18662,51 +18662,6 @@ rm -f core conftest.err conftest.$ac_objext \
 	fi
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for atomic_flag_clear in -latomic" >&5
-$as_echo_n "checking for atomic_flag_clear in -latomic... " >&6; }
-if ${ac_cv_lib_atomic_atomic_flag_clear+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-latomic  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$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 atomic_flag_clear ();
-int
-main ()
-{
-return atomic_flag_clear ();
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
-  ac_cv_lib_atomic_atomic_flag_clear=yes
-else
-  ac_cv_lib_atomic_atomic_flag_clear=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_atomic_atomic_flag_clear" >&5
-$as_echo "$ac_cv_lib_atomic_atomic_flag_clear" >&6; }
-if test "x$ac_cv_lib_atomic_atomic_flag_clear" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_LIBATOMIC 1
-_ACEOF
-
-  LIBS="-latomic $LIBS"
-
-fi
-
 
 
 

configure.ac

@@ -85,7 +85,7 @@ AX_BOOST_REGEX
 AX_IOSTREAMS_Z
 AX_IOSTREAMS_BZ2
 
-AC_CHECK_LIB([atomic], [atomic_flag_clear])
+dnl AC_CHECK_LIB([atomic], [atomic_flag_clear])
 
 dnl Set output variables for the various directories
 AC_ARG_VAR([DATA_LIB_DIR], [The location where to store packaged dictionary and CCD files])

src/Config.hpp.in

@@ -24,9 +24,6 @@
 /* Define to 1 if you have the <inttypes.h> header file. */
 #undef HAVE_INTTYPES_H
 
-/* Define to 1 if you have the `atomic' library (-latomic). */
-#undef HAVE_LIBATOMIC
-
 /* Define to 1 if you have the <memory.h> header file. */
 #undef HAVE_MEMORY_H