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Integrate gnulib vasnprintf().
This commit is contained in:
Matthias Clasen
296
acinclude.m4
296
acinclude.m4
@@ -43,6 +43,49 @@ fi
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])# AC_FUNC_VSNPRINTF_C99
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dnl @synopsis AC_FUNC_SNPRINTF_C99
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dnl
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dnl Check whether there is a snprintf() function with C99 semantics installed.
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dnl
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AC_DEFUN([AC_FUNC_SNPRINTF_C99],
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[AC_CACHE_CHECK(for C99 snprintf,
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ac_cv_func_snprintf_c99,
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[AC_TRY_RUN(
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[#include <stdio.h>
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#include <stdarg.h>
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int
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doit()
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{
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char buffer[32];
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va_list args;
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int r;
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r = snprintf(buffer, 5, "1234567");
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if (r != 7)
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exit(1);
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exit(0);
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}
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int
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main(void)
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{
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doit();
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exit(1);
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}], ac_cv_func_snprintf_c99=yes, ac_cv_func_snprintf_c99=no, ac_cv_func_snprintf_c99=no)])
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dnl Note that the default is to be pessimistic in the case of cross compilation.
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dnl If you know that the target has a C99 snprintf(), you can get around this
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dnl by setting ac_func_snprintf_c99 to yes, as described in the Autoconf manual.
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if test $ac_cv_func_snprintf_c99 = yes; then
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AC_DEFINE(HAVE_C99_SNPRINTF, 1,
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[Define if you have a version of the snprintf function
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with semantics as specified by the ISO C99 standard.])
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fi
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])# AC_FUNC_SNPRINTF_C99
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dnl @synopsis AC_FUNC_PRINTF_UNIX98
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dnl
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dnl Check whether the printf() family supports Unix98 %n$ positional parameters
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@@ -121,4 +164,257 @@ AC_DEFUN([JH_CHECK_XML_CATALOG],
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])
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# signed.m4 serial 1 (gettext-0.10.40)
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dnl Copyright (C) 2001-2002 Free Software Foundation, Inc.
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dnl This file is free software, distributed under the terms of the GNU
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dnl General Public License. As a special exception to the GNU General
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dnl Public License, this file may be distributed as part of a program
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dnl that contains a configuration script generated by Autoconf, under
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dnl the same distribution terms as the rest of that program.
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dnl From Bruno Haible.
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AC_DEFUN([bh_C_SIGNED],
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[
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AC_CACHE_CHECK([for signed], bh_cv_c_signed,
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[AC_TRY_COMPILE(, [signed char x;], bh_cv_c_signed=yes, bh_cv_c_signed=no)])
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if test $bh_cv_c_signed = no; then
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AC_DEFINE(signed, ,
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[Define to empty if the C compiler doesn't support this keyword.])
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fi
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])
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# longlong.m4 serial 4
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dnl Copyright (C) 1999-2003 Free Software Foundation, Inc.
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dnl This file is free software, distributed under the terms of the GNU
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dnl General Public License. As a special exception to the GNU General
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dnl Public License, this file may be distributed as part of a program
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dnl that contains a configuration script generated by Autoconf, under
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dnl the same distribution terms as the rest of that program.
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dnl From Paul Eggert.
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# Define HAVE_LONG_LONG if 'long long' works.
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AC_DEFUN([jm_AC_TYPE_LONG_LONG],
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[
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AC_CACHE_CHECK([for long long], ac_cv_type_long_long,
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[AC_TRY_LINK([long long ll = 1LL; int i = 63;],
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[long long llmax = (long long) -1;
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return ll << i | ll >> i | llmax / ll | llmax % ll;],
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ac_cv_type_long_long=yes,
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ac_cv_type_long_long=no)])
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if test $ac_cv_type_long_long = yes; then
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AC_DEFINE(HAVE_LONG_LONG, 1,
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[Define if you have the 'long long' type.])
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fi
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])
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# longdouble.m4 serial 1 (gettext-0.11.6)
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dnl Copyright (C) 2002 Free Software Foundation, Inc.
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dnl This file is free software, distributed under the terms of the GNU
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dnl General Public License. As a special exception to the GNU General
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dnl Public License, this file may be distributed as part of a program
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dnl that contains a configuration script generated by Autoconf, under
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dnl the same distribution terms as the rest of that program.
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dnl From Bruno Haible.
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dnl Test whether the compiler supports the 'long double' type.
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dnl Prerequisite: AC_PROG_CC
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AC_DEFUN([gt_TYPE_LONGDOUBLE],
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[
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AC_CACHE_CHECK([for long double], gt_cv_c_long_double,
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[if test "$GCC" = yes; then
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gt_cv_c_long_double=yes
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else
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AC_TRY_COMPILE([
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/* The Stardent Vistra knows sizeof(long double), but does not support it. */
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long double foo = 0.0;
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/* On Ultrix 4.3 cc, long double is 4 and double is 8. */
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int array [2*(sizeof(long double) >= sizeof(double)) - 1];
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], ,
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gt_cv_c_long_double=yes, gt_cv_c_long_double=no)
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fi])
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if test $gt_cv_c_long_double = yes; then
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AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if you have the 'long double' type.])
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fi
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])
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# wchar_t.m4 serial 1 (gettext-0.11.6)
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dnl Copyright (C) 2002 Free Software Foundation, Inc.
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dnl This file is free software, distributed under the terms of the GNU
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dnl General Public License. As a special exception to the GNU General
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dnl Public License, this file may be distributed as part of a program
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dnl that contains a configuration script generated by Autoconf, under
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dnl the same distribution terms as the rest of that program.
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dnl From Bruno Haible.
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dnl Test whether <stddef.h> has the 'wchar_t' type.
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dnl Prerequisite: AC_PROG_CC
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AC_DEFUN([gt_TYPE_WCHAR_T],
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[
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AC_CACHE_CHECK([for wchar_t], gt_cv_c_wchar_t,
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[AC_TRY_COMPILE([#include <stddef.h>
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wchar_t foo = (wchar_t)'\0';], ,
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gt_cv_c_wchar_t=yes, gt_cv_c_wchar_t=no)])
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if test $gt_cv_c_wchar_t = yes; then
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AC_DEFINE(HAVE_WCHAR_T, 1, [Define if you have the 'wchar_t' type.])
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fi
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])
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# wint_t.m4 serial 1
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dnl Copyright (C) 2003 Free Software Foundation, Inc.
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dnl This file is free software, distributed under the terms of the GNU
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dnl General Public License. As a special exception to the GNU General
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dnl Public License, this file may be distributed as part of a program
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dnl that contains a configuration script generated by Autoconf, under
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dnl the same distribution terms as the rest of that program.
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dnl From Bruno Haible.
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dnl Test whether <wchar.h> has the 'wint_t' type.
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dnl Prerequisite: AC_PROG_CC
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AC_DEFUN([gt_TYPE_WINT_T],
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[
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AC_CACHE_CHECK([for wint_t], gt_cv_c_wint_t,
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[AC_TRY_COMPILE([#include <wchar.h>
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wint_t foo = (wchar_t)'\0';], ,
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gt_cv_c_wint_t=yes, gt_cv_c_wint_t=no)])
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if test $gt_cv_c_wint_t = yes; then
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AC_DEFINE(HAVE_WINT_T, 1, [Define if you have the 'wint_t' type.])
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fi
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])
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# intmax_t.m4 serial 1
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dnl Copyright (C) 1997-2002 Free Software Foundation, Inc.
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dnl This file is free software, distributed under the terms of the GNU
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dnl General Public License. As a special exception to the GNU General
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dnl Public License, this file may be distributed as part of a program
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dnl that contains a configuration script generated by Autoconf, under
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dnl the same distribution terms as the rest of that program.
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dnl From Paul Eggert.
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AC_PREREQ(2.13)
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# Define intmax_t to 'long' or 'long long'
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# if it is not already defined in <stdint.h> or <inttypes.h>.
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AC_DEFUN([jm_AC_TYPE_INTMAX_T],
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[
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dnl For simplicity, we assume that a header file defines 'intmax_t' if and
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dnl only if it defines 'uintmax_t'.
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AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
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AC_REQUIRE([jm_AC_HEADER_STDINT_H])
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if test $jm_ac_cv_header_inttypes_h = no && test $jm_ac_cv_header_stdint_h = no; then
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AC_REQUIRE([jm_AC_TYPE_LONG_LONG])
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test $ac_cv_type_long_long = yes \
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&& ac_type='long long' \
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|| ac_type='long'
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AC_DEFINE_UNQUOTED(intmax_t, $ac_type,
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[Define to long or long long if <inttypes.h> and <stdint.h> don't define.])
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else
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AC_DEFINE(HAVE_INTMAX_T, 1,
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[Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.])
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fi
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])
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dnl An alternative would be to explicitly test for 'intmax_t'.
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AC_DEFUN([gt_AC_TYPE_INTMAX_T],
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[
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AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
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AC_REQUIRE([jm_AC_HEADER_STDINT_H])
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AC_CACHE_CHECK(for intmax_t, gt_cv_c_intmax_t,
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[AC_TRY_COMPILE([
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#include <stddef.h>
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#include <stdlib.h>
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#if HAVE_STDINT_H_WITH_UINTMAX
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#include <stdint.h>
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#endif
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#if HAVE_INTTYPES_H_WITH_UINTMAX
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#include <inttypes.h>
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#endif
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], [intmax_t x = -1;], gt_cv_c_intmax_t=yes, gt_cv_c_intmax_t=no)])
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if test $gt_cv_c_intmax_t = yes; then
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AC_DEFINE(HAVE_INTMAX_T, 1,
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[Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.])
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else
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AC_REQUIRE([jm_AC_TYPE_LONG_LONG])
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test $ac_cv_type_long_long = yes \
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&& ac_type='long long' \
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|| ac_type='long'
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AC_DEFINE_UNQUOTED(intmax_t, $ac_type,
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[Define to long or long long if <stdint.h> and <inttypes.h> don't define.])
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fi
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])
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# stdint_h.m4 serial 3 (gettext-0.11.6)
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dnl Copyright (C) 1997-2002 Free Software Foundation, Inc.
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dnl This file is free software, distributed under the terms of the GNU
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dnl General Public License. As a special exception to the GNU General
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dnl Public License, this file may be distributed as part of a program
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dnl that contains a configuration script generated by Autoconf, under
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dnl the same distribution terms as the rest of that program.
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dnl From Paul Eggert.
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# Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
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# doesn't clash with <sys/types.h>, and declares uintmax_t.
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AC_DEFUN([jm_AC_HEADER_STDINT_H],
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[
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AC_CACHE_CHECK([for stdint.h], jm_ac_cv_header_stdint_h,
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[AC_TRY_COMPILE(
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[#include <sys/types.h>
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#include <stdint.h>],
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[uintmax_t i = (uintmax_t) -1;],
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jm_ac_cv_header_stdint_h=yes,
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jm_ac_cv_header_stdint_h=no)])
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if test $jm_ac_cv_header_stdint_h = yes; then
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AC_DEFINE_UNQUOTED(HAVE_STDINT_H_WITH_UINTMAX, 1,
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[Define if <stdint.h> exists, doesn't clash with <sys/types.h>,
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and declares uintmax_t. ])
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fi
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])
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# inttypes_h.m4 serial 5 (gettext-0.11.6)
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dnl Copyright (C) 1997-2002 Free Software Foundation, Inc.
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dnl This file is free software, distributed under the terms of the GNU
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dnl General Public License. As a special exception to the GNU General
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dnl Public License, this file may be distributed as part of a program
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dnl that contains a configuration script generated by Autoconf, under
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dnl the same distribution terms as the rest of that program.
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dnl From Paul Eggert.
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# Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,
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# doesn't clash with <sys/types.h>, and declares uintmax_t.
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AC_DEFUN([jm_AC_HEADER_INTTYPES_H],
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[
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AC_CACHE_CHECK([for inttypes.h], jm_ac_cv_header_inttypes_h,
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[AC_TRY_COMPILE(
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[#include <sys/types.h>
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#include <inttypes.h>],
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[uintmax_t i = (uintmax_t) -1;],
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jm_ac_cv_header_inttypes_h=yes,
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jm_ac_cv_header_inttypes_h=no)])
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if test $jm_ac_cv_header_inttypes_h = yes; then
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AC_DEFINE_UNQUOTED(HAVE_INTTYPES_H_WITH_UINTMAX, 1,
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[Define if <inttypes.h> exists, doesn't clash with <sys/types.h>,
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and declares uintmax_t. ])
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fi
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])
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