diff options
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/jm-macros.m4 | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/m4/jm-macros.m4 b/m4/jm-macros.m4 index 79f124b01..51c533a42 100644 --- a/m4/jm-macros.m4 +++ b/m4/jm-macros.m4 @@ -165,6 +165,21 @@ AC_DEFUN([coreutils_MACROS], LIBS="$ac_seq_save_LIBS" ]) + + # See is fpsetprec() required to use extended double precision + # This is needed on 32 bit FreeBSD to give accurate conversion of: + # `numfmt 9223372036854775808` + AC_TRY_LINK([#include <ieeefp.h>], + [#ifdef __i386__ + fpsetprec(FP_PE); + #else + # error not required on 64 bit + #endif + ], [ac_have_fpsetprec=yes], [ac_have_fpsetprec=no]) + if test "$ac_have_fpsetprec" = "yes" ; then + AC_DEFINE([HAVE_FPSETPREC], 1, [whether fpsetprec is present and required]) + fi + AC_REQUIRE([AM_LANGINFO_CODESET]) # Accept configure options: --with-tty-group[=GROUP], --without-tty-group |