diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 445f5d95..6777b1b5 100644 --- a/configure.ac +++ b/configure.ac @@ -682,6 +682,58 @@ AC_SUBST(CPFLAGS) AC_SUBST(CEFLAGS) AC_SUBST(LDEFLAGS) +dnl ,------------------------------------------------------------------ +dnl Check if we need TRIO +needtrio=0 +if test "$FORCE_TRIO" = "yes" ; then + needtrio=1 + ac_cv_func_vsnprintf=no + ac_cv_func_snprintf=no +fi +if test "x$ac_cv_func_snprintf" != "xyes" ; then + AC_DEFINE(snprintf, trio_snprintf, + [Define to trio_snprintf if your system lacks snprintf]) + needtrio=1 +fi +if test "x$ac_cv_func_vsnprintf" != "xyes" ; then + AC_DEFINE(vsnprintf, trio_vsnprintf, + [Define to trio_vsnprintf if your system lacks vsnprintf]) + needtrio=1 +fi +AM_CONDITIONAL(NEED_TRIO, test "$needtrio" = 1) + +dnl TRIO IEEE compiler option for Alpha +dnl +if test "$needtrio" = 1 ; then + AC_MSG_CHECKING(for IEEE compilation options) + AC_CACHE_VAL(ac_cv_ieee_option, [ + AC_TRY_COMPILE(,[ + #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && (defined(VMS) || defined(__VMS))) + # error "Option needed" + #endif + ],ac_cv_ieee_option="/IEEE_MODE=UNDERFLOW_TO_ZERO/FLOAT=IEEE", + AC_TRY_COMPILE(,[ + #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && !(defined(VMS) || defined(__VMS)) && !defined(_CFE)) + # error "Option needed" + #endif + ],ac_cv_ieee_option="-ieee", + AC_TRY_COMPILE(,[ + #if !(defined(__alpha) && (defined(__GNUC__) && (defined(__osf__) || defined(__linux__)))) + # error "Option needed" + #endif + ],ac_cv_ieee_option="-mieee", + ac_cv_ieee_option="none" + ) + ) + ) + ]) + AC_MSG_RESULT($ac_cv_ieee_option) + if test $ac_cv_ieee_option != none; then + CFLAGS="${CFLAGS} ${ac_cv_ieee_option}" + fi +fi +dnl ----------------------------------------------------------------' + AC_CONFIG_FILES([Makefile m4/Makefile po/Makefile.in intl/Makefile]) AC_OUTPUT |