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| author | Mike McGreevy <mamcgree@hdfgroup.org> | 2007-06-14 14:18:46 (GMT) |
|---|---|---|
| committer | Mike McGreevy <mamcgree@hdfgroup.org> | 2007-06-14 14:18:46 (GMT) |
| commit | 9238d327a330f7e25404f580780b752f11bb0de8 (patch) | |
| tree | c443f6105cc8133f83160c0f3c83f957fd3c558b /configure.in | |
| parent | d05df8434b2eb7f1282615f701dbf7cbf9f1ac6e (diff) | |
| download | hdf5-9238d327a330f7e25404f580780b752f11bb0de8.zip hdf5-9238d327a330f7e25404f580780b752f11bb0de8.tar.gz hdf5-9238d327a330f7e25404f580780b752f11bb0de8.tar.bz2 | |
[svn-r13865] Purpose: Adding a new macro, H5_HAVE_OFFSETOF.
Description: When the compiler has the __offsetof__ extension, the
H5_HAVE_OFFSETOF macro will be defined. When the compiler
does not have the extension, the macro will remain undefined.
Tested: kagiso
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/configure.in b/configure.in index b7caccd..71fd657 100644 --- a/configure.in +++ b/configure.in @@ -1932,6 +1932,13 @@ AC_TRY_COMPILE(,[(void)__FUNCTION__], AC_MSG_RESULT([yes]), AC_MSG_RESULT([no])) +AC_MSG_CHECKING([for __offsetof__ extension]) +AC_TRY_COMPILE(,[size_t __offsetof__(unused)], + AC_DEFINE([HAVE_OFFSETOF], [1], + [Define if the __offsetof__ extension is present]) + AC_MSG_RESULT([yes]), + AC_MSG_RESULT([no])) + dnl ---------------------------------------------------------------------- dnl Try to figure out how to print `long long'. Some machines use `%lld' dnl and others use `%qd'. There may be more! The final `l' is a |