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Diffstat (limited to 'gl/m4/printf-frexp.m4')
| -rw-r--r-- | gl/m4/printf-frexp.m4 | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/gl/m4/printf-frexp.m4 b/gl/m4/printf-frexp.m4 deleted file mode 100644 index 8b373b1910..0000000000 --- a/gl/m4/printf-frexp.m4 +++ /dev/null @@ -1,38 +0,0 @@ -# printf-frexp.m4 serial 5 -dnl Copyright (C) 2007, 2009-2013 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. - -dnl Check how to define printf_frexp() without linking with libm. - -AC_DEFUN([gl_FUNC_PRINTF_FREXP], -[ - AC_REQUIRE([gl_CHECK_FREXP_NO_LIBM]) - if test $gl_cv_func_frexp_no_libm = yes; then - gl_FUNC_FREXP_WORKS - case "$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], - [gl_cv_func_ldexp_no_libm], - [ - AC_LINK_IFELSE( - [AC_LANG_PROGRAM( - [[#include <math.h> - double x; - int y;]], - [[return ldexp (x, y) < 1;]])], - [gl_cv_func_ldexp_no_libm=yes], - [gl_cv_func_ldexp_no_libm=no]) - ]) - if test $gl_cv_func_ldexp_no_libm = yes; then - AC_DEFINE([HAVE_LDEXP_IN_LIBC], [1], - [Define if the ldexp function is available in libc.]) - fi -]) |