Mercurial > gnulib
view m4/powf.m4 @ 40196:e63f5d3edab5
relocatable-prog: Update documentation.
* doc/relocatable-maint.texi (Supporting Relocation): Update to match
the recent changes.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sun, 24 Feb 2019 01:49:15 +0100 |
parents | b06060465f09 |
children |
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# powf.m4 serial 2 dnl Copyright (C) 2011-2019 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_POWF], [ AC_REQUIRE([gl_MATH_H_DEFAULTS]) AC_REQUIRE([gl_FUNC_POW]) dnl Persuade glibc <math.h> to declare powf(). AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) dnl Test whether powf() exists. Assume that powf(), if it exists, is dnl defined in the same library as pow(). save_LIBS="$LIBS" LIBS="$LIBS $POW_LIBM" AC_CHECK_FUNCS([powf]) LIBS="$save_LIBS" if test $ac_cv_func_powf = yes; then POWF_LIBM="$POW_LIBM" else HAVE_POWF=0 POWF_LIBM="$POW_LIBM" fi AC_SUBST([POWF_LIBM]) ])