mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-12-04 08:47:11 +00:00
6f9a2a8f29
These are neccessary because Android's printf is missing basic format modifiers such as t. * admin/merge-gnulib (GNULIB_MODULES): Add printf-posix and vasprintf-posix. Update from gnulib. * configure.ac (CFLAGS): Add -DHAVE_CONFIG_H.
49 lines
1.7 KiB
Plaintext
49 lines
1.7 KiB
Plaintext
# printf-frexpl.m4 serial 10
|
|
dnl Copyright (C) 2007, 2009-2023 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_frexpl() without linking with libm.
|
|
|
|
AC_DEFUN([gl_FUNC_PRINTF_FREXPL],
|
|
[
|
|
AC_REQUIRE([gl_MATH_H_DEFAULTS])
|
|
AC_REQUIRE([gl_LONG_DOUBLE_VS_DOUBLE])
|
|
|
|
dnl Subset of gl_FUNC_FREXPL_NO_LIBM.
|
|
gl_CHECK_FREXPL_NO_LIBM
|
|
if test $gl_cv_func_frexpl_no_libm = yes; then
|
|
gl_FUNC_FREXPL_WORKS
|
|
case "$gl_cv_func_frexpl_works" in
|
|
*yes) gl_func_frexpl_no_libm=yes ;;
|
|
*) gl_func_frexpl_no_libm=no; REPLACE_FREXPL=1 ;;
|
|
esac
|
|
else
|
|
gl_func_frexpl_no_libm=no
|
|
dnl Set REPLACE_FREXPL here because the system may have frexpl in libm.
|
|
REPLACE_FREXPL=1
|
|
fi
|
|
if test $gl_func_frexpl_no_libm = yes; then
|
|
AC_DEFINE([HAVE_FREXPL_IN_LIBC], [1],
|
|
[Define if the frexpl function is available in libc.])
|
|
dnl Also check whether it's declared.
|
|
dnl Mac OS X 10.3 has frexpl() in libc but doesn't declare it in <math.h>.
|
|
AC_CHECK_DECL([frexpl], , [HAVE_DECL_FREXPL=0], [[#include <math.h>]])
|
|
fi
|
|
|
|
gl_CHECK_LDEXPL_NO_LIBM
|
|
if test $gl_cv_func_ldexpl_no_libm = yes; then
|
|
gl_FUNC_LDEXPL_WORKS
|
|
case "$gl_cv_func_ldexpl_works" in
|
|
*yes)
|
|
AC_DEFINE([HAVE_LDEXPL_IN_LIBC], [1],
|
|
[Define if the ldexpl function is available in libc.])
|
|
dnl Also check whether it's declared.
|
|
dnl Mac OS X 10.3 has ldexpl() in libc but doesn't declare it in <math.h>.
|
|
AC_CHECK_DECL([ldexpl], , [HAVE_DECL_LDEXPL=0], [[#include <math.h>]])
|
|
;;
|
|
esac
|
|
fi
|
|
])
|