X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fisnanl.m4;h=be5d12f8b50587dbb6b01eec36f838a054dafc59;hb=a3a70ebafd7f2fdc069d43e8a26fc246dd7fe5bb;hp=d035c07cbdc88388599083cb4650e79387277685;hpb=aecb65d22ea2a79b4f171eeac3031b6db43a49fb;p=gnulib.git diff --git a/m4/isnanl.m4 b/m4/isnanl.m4 index d035c07cb..be5d12f8b 100644 --- a/m4/isnanl.m4 +++ b/m4/isnanl.m4 @@ -1,4 +1,4 @@ -# isnanl.m4 serial 2 +# isnanl.m4 serial 3 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, @@ -6,60 +6,54 @@ dnl with or without modifications, as long as this notice is preserved. AC_DEFUN([gl_FUNC_ISNANL], [ - AC_REQUIRE([gt_TYPE_LONGDOUBLE]) ISNANL_LIBM= - if test $gt_cv_c_long_double = yes; then - gl_HAVE_ISNANL_NO_LIBM - if test $gl_cv_func_isnanl_no_libm = no; then - gl_HAVE_ISNANL_IN_LIBM - if test $gl_cv_func_isnanl_in_libm = yes; then - ISNANL_LIBM=-lm - fi - fi - if test $gl_cv_func_isnanl_no_libm = yes \ - || test $gl_cv_func_isnanl_in_libm = yes; then - save_LIBS="$LIBS" - LIBS="$LIBS $ISNANL_LIBM" - gl_FUNC_ISNANL_WORKS - LIBS="$save_LIBS" - case "$gl_cv_func_isnanl_works" in - *yes) gl_func_isnanl=yes ;; - *) gl_func_isnanl=no; ISNANL_LIBM= ;; - esac - else - gl_func_isnanl=no - fi - if test $gl_func_isnanl = yes; then - AC_DEFINE([HAVE_ISNANL], 1, - [Define if the isnan(long double) function is available.]) - else - AC_LIBOBJ([isnanl]) - gl_LONG_DOUBLE_EXPONENT_LOCATION + gl_HAVE_ISNANL_NO_LIBM + if test $gl_cv_func_isnanl_no_libm = no; then + gl_HAVE_ISNANL_IN_LIBM + if test $gl_cv_func_isnanl_in_libm = yes; then + ISNANL_LIBM=-lm fi fi + if test $gl_cv_func_isnanl_no_libm = yes \ + || test $gl_cv_func_isnanl_in_libm = yes; then + save_LIBS="$LIBS" + LIBS="$LIBS $ISNANL_LIBM" + gl_FUNC_ISNANL_WORKS + LIBS="$save_LIBS" + case "$gl_cv_func_isnanl_works" in + *yes) gl_func_isnanl=yes ;; + *) gl_func_isnanl=no; ISNANL_LIBM= ;; + esac + else + gl_func_isnanl=no + fi + if test $gl_func_isnanl = yes; then + AC_DEFINE([HAVE_ISNANL], 1, + [Define if the isnan(long double) function is available.]) + else + AC_LIBOBJ([isnanl]) + gl_LONG_DOUBLE_EXPONENT_LOCATION + fi AC_SUBST([ISNANL_LIBM]) ]) AC_DEFUN([gl_FUNC_ISNANL_NO_LIBM], [ - AC_REQUIRE([gt_TYPE_LONGDOUBLE]) - if test $gt_cv_c_long_double = yes; then - gl_HAVE_ISNANL_NO_LIBM - gl_func_isnanl_no_libm=$gl_cv_func_isnanl_no_libm - if test $gl_func_isnanl_no_libm = yes; then - gl_FUNC_ISNANL_WORKS - case "$gl_cv_func_isnanl_works" in - *yes) ;; - *) gl_func_isnanl_no_libm=no ;; - esac - fi - if test $gl_func_isnanl_no_libm = yes; then - AC_DEFINE([HAVE_ISNANL_IN_LIBC], 1, - [Define if the isnan(long double) function is available in libc.]) - else - AC_LIBOBJ([isnanl]) - gl_LONG_DOUBLE_EXPONENT_LOCATION - fi + gl_HAVE_ISNANL_NO_LIBM + gl_func_isnanl_no_libm=$gl_cv_func_isnanl_no_libm + if test $gl_func_isnanl_no_libm = yes; then + gl_FUNC_ISNANL_WORKS + case "$gl_cv_func_isnanl_works" in + *yes) ;; + *) gl_func_isnanl_no_libm=no ;; + esac + fi + if test $gl_func_isnanl_no_libm = yes; then + AC_DEFINE([HAVE_ISNANL_IN_LIBC], 1, + [Define if the isnan(long double) function is available in libc.]) + else + AC_LIBOBJ([isnanl]) + gl_LONG_DOUBLE_EXPONENT_LOCATION fi ]) @@ -107,7 +101,6 @@ dnl infinite. This test fails e.g. on NetBSD/i386. AC_DEFUN([gl_FUNC_ISNANL_WORKS], [ AC_REQUIRE([AC_PROG_CC]) - AC_REQUIRE([gt_TYPE_LONGDOUBLE]) AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles AC_CACHE_CHECK([whether isnanl works], [gl_cv_func_isnanl_works], [