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author | Mike McGreevy <mamcgree@hdfgroup.org> | 2007-06-14 13:55:49 (GMT) |
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committer | Mike McGreevy <mamcgree@hdfgroup.org> | 2007-06-14 13:55:49 (GMT) |
commit | 840bdc0a00639d30640b6597b4ac0ecc470a4bed (patch) | |
tree | 84e6b6ca5208fc99e8f6ed83155ff687d62ab9b0 /configure | |
parent | 7a9d2d7b43370e6588ce89afb24e9fa8a9e110b2 (diff) | |
download | hdf5-840bdc0a00639d30640b6597b4ac0ecc470a4bed.zip hdf5-840bdc0a00639d30640b6597b4ac0ecc470a4bed.tar.gz hdf5-840bdc0a00639d30640b6597b4ac0ecc470a4bed.tar.bz2 |
[svn-r13864] 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')
-rwxr-xr-x | configure | 53 |
1 files changed, 52 insertions, 1 deletions
@@ -1,5 +1,5 @@ #! /bin/sh -# From configure.in Id: configure.in 13812 2007-05-29 19:48:53Z koziol . +# From configure.in Id: configure.in 13828 2007-06-01 19:28:10Z slu . # Guess values for system-dependent variables and create Makefiles. # Generated by GNU Autoconf 2.61 for HDF5 1.6.6-snap21. # @@ -34067,6 +34067,57 @@ fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +{ echo "$as_me:$LINENO: checking for __offsetof__ extension" >&5 +echo $ECHO_N "checking for __offsetof__ extension... $ECHO_C" >&6; } +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ +size_t __offsetof__(unused) + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (ac_try="$ac_compile" +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_compile") 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 $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then + +cat >>confdefs.h <<\_ACEOF +#define HAVE_OFFSETOF 1 +_ACEOF + + { echo "$as_me:$LINENO: result: yes" >&5 +echo "${ECHO_T}yes" >&6; } +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6; } +fi + +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + { echo "$as_me:$LINENO: checking how to print long long" >&5 echo $ECHO_N "checking how to print long long... $ECHO_C" >&6; } if test "${hdf5_cv_printf_ll+set}" = set; then |