Mercurial > hg > octave-lojdl > gnulib-hg
changeset 8495:eff68e94da66
Don't use the system's frexp() if it does not work (example: NetBSD 3.0).
| author | Bruno Haible <bruno@clisp.org> |
|---|---|
| date | Thu, 22 Mar 2007 11:59:06 +0000 |
| parents | b556de32ce5a |
| children | 1f851f8ed15e |
| files | ChangeLog m4/printf-frexp.m4 modules/printf-frexp |
| diffstat | 3 files changed, 15 insertions(+), 3 deletions(-) [+] |
line wrap: on
line diff
--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2007-03-22 Bruno Haible <bruno@clisp.org> + + * modules/printf-frexp (Files): Add m4/frexp.m4. + * m4/printf-frexp.m4 (gl_FUNC_PRINTF_FREXP): Define HAVE_FREXP_IN_LIBC + only if the found frexp function actually works. + 2007-03-22 Bruno Haible <bruno@clisp.org> * lib/frexp.c: Remove older implementation that uses divisions.
--- a/m4/printf-frexp.m4 +++ b/m4/printf-frexp.m4 @@ -1,4 +1,4 @@ -# printf-frexp.m4 serial 1 +# printf-frexp.m4 serial 2 dnl Copyright (C) 2007 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -19,8 +19,13 @@ [gl_cv_func_frexp_no_libm=no]) ]) if test $gl_cv_func_frexp_no_libm = yes; then - AC_DEFINE([HAVE_FREXP_IN_LIBC], 1, - [Define if the frexp function is available in libc.]) + gl_FUNC_FREXP_WORKS + case "$gl_cv_func_frexp_works" in + *yes) + AC_DEFINE([HAVE_FREXP_IN_LIBC], 1, + [Define if the frexp function is available in libc.]) + ;; + esac fi AC_CACHE_CHECK([whether ldexp can be used without linking with libm],