diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 110 |
1 files changed, 110 insertions, 0 deletions
@@ -50770,6 +50770,116 @@ echo "${ECHO_T}no" >&6; } esac +{ echo "$as_me:$LINENO: checking if alignment restrictions are strictly enforced" >&5 +echo $ECHO_N "checking if alignment restrictions are strictly enforced... $ECHO_C" >&6; } +if test "$cross_compiling" = yes; then + + { echo "$as_me:$LINENO: result: unknown, assuming yes" >&5 +echo "${ECHO_T}unknown, assuming yes" >&6; } + +else + cat >conftest.$ac_ext <<_ACEOF + + /* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + + #include <stdlib.h> + #include <string.h> + + typedef struct { + size_t len; + void *p; + } hvl_t; + +#ifdef FC_DUMMY_MAIN +#ifndef FC_DUMMY_MAIN_EQ_F77 +# ifdef __cplusplus + extern "C" +# endif + int FC_DUMMY_MAIN() { return 1; } +#endif +#endif +int +main () +{ + + char *chp = "beefs"; + char **chpp = malloc (2 * sizeof (char *)); + char **chpp2; + hvl_t vl = { 12345, (void *) chp }; + hvl_t *vlp; + hvl_t *vlp2; + + memcpy ((void *) ((char *) chpp + 1), &chp, sizeof (char *)); + chpp2 = (char **) ((char *) chpp + 1); + if (strcmp (*chpp2, chp)) { + free (chpp); + return 1; + } + free (chpp); + + vlp = malloc (2 * sizeof (hvl_t)); + memcpy ((void *) ((char *) vlp + 1), &vl, sizeof (hvl_t)); + vlp2 = (hvl_t *) ((char *) vlp + 1); + if (vlp2->len != vl.len || vlp2->p != vl.p) { + free (vlp); + return 1; + } + free (vlp); + + ; + return 0; +} + +_ACEOF +rm -f 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>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { ac_try='./conftest$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 $ac_status); }; }; then + + +cat >>confdefs.h <<\_ACEOF +#define NO_ALIGNMENT_RESTRICTIONS 1 +_ACEOF + + { echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6; } + +else + echo "$as_me: program exited with status $ac_status" >&5 +echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +( exit $ac_status ) + + { echo "$as_me:$LINENO: result: yes" >&5 +echo "${ECHO_T}yes" >&6; } + +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext +fi + + + if test "X$HDF_CXX" = "Xyes"; then BUILD_CXX_CONDITIONAL_TRUE= |