Mercurial > gnulib
view m4/expf.m4 @ 17249:e542fd46ad6f
maint: update all copyright year number ranges
Run "make update-copyright". Compare to commit 1602f0a from last year.
Signed-off-by: Eric Blake <eblake@redhat.com>
author | Eric Blake <eblake@redhat.com> |
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date | Tue, 01 Jan 2013 00:50:58 +0000 |
parents | fdbe3125f81a |
children | 344018b6e5d7 |
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# expf.m4 serial 2 dnl Copyright (C) 2011-2013 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. AC_DEFUN([gl_FUNC_EXPF], [ AC_REQUIRE([gl_MATH_H_DEFAULTS]) AC_REQUIRE([gl_FUNC_EXP]) dnl Persuade glibc <math.h> to declare expf(). AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) dnl Test whether expf() exists. Assume that expf(), if it exists, is dnl defined in the same library as exp(). save_LIBS="$LIBS" LIBS="$LIBS $EXP_LIBM" AC_CHECK_FUNCS([expf]) LIBS="$save_LIBS" if test $ac_cv_func_expf = yes; then EXPF_LIBM="$EXP_LIBM" else HAVE_EXPF=0 EXPF_LIBM="$EXP_LIBM" fi AC_SUBST([EXPF_LIBM]) ])