diff options
Diffstat (limited to 'newlib/libm/configure.in')
| -rw-r--r-- | newlib/libm/configure.in | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/newlib/libm/configure.in b/newlib/libm/configure.in index 2750e14d3..4ac7edb30 100644 --- a/newlib/libm/configure.in +++ b/newlib/libm/configure.in @@ -14,6 +14,16 @@ AC_ARG_ENABLE(newlib_hw_fp, esac],[newlib_hw_fp=false]) AM_CONDITIONAL(NEWLIB_HW_FP, test x$newlib_hw_fp = xtrue) +dnl Autoconf 2.59 doesn't support the AC_TYPE_LONG_DOUBLE macro. Instead of: +dnl AC_TYPE_LONG_DOUBLE +dnl AM_CONDITIONAL(HAVE_LONG_DOUBLE, test x"$ac_cv_type_long_double" = x"yes") +dnl we specify our own long double test. +AC_CACHE_CHECK([Checking long double support], [acnewlib_cv_type_long_double], + [AC_TRY_COMPILE([], [long double foo = 0.0L;], + [acnewlib_cv_type_long_double = yes;], + [acnewlib_cv_type_long_double = no;])]) +AM_CONDITIONAL(HAVE_LONG_DOUBLE, test x"$acnewlib_cv_type_long_double" = x"yes") + dnl Can't be done in NEWLIB_CONFIGURE because that confuses automake. AC_CONFIG_AUX_DIR(../..) |