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dpkg/m4/dpkg-arch.m4
Daniel Baumann 1879661313
Adding upstream version 1.22.20.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-20 21:21:00 +02:00

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# serial 2
# Copyright © 2005 Scott James Remnant <scott@netsplit.com>
# Copyright © 2006-2023 Guillem Jover <guillem@debian.org>
# _DPKG_ARCHITECTURE([DEB_VAR], [sh_var])
# ------------------
# Use dpkg-architecture from the source tree to set sh_var using DEB_VAR for
# the target architecture, to avoid duplicating its logic.
AC_DEFUN([_DPKG_ARCHITECTURE], [
AC_REQUIRE([DPKG_PROG_PERL])dnl
AC_REQUIRE([AC_CANONICAL_HOST])dnl
$2=$(PERL=$PERL ${CONFIG_SHELL-/bin/sh} "$srcdir/build-aux/run-script" scripts/dpkg-architecture.pl -t$host -q$1 2>/dev/null)
])# _DPKG_ARCHITECTURE
# DPKG_CPU_TYPE
# -------------
# Parse the host cpu name and check it against the cputable to determine
# the Debian name for it. Sets ARCHITECTURE_CPU.
AC_DEFUN([DPKG_CPU_TYPE], [
AC_MSG_CHECKING([dpkg cpu type])
_DPKG_ARCHITECTURE([DEB_HOST_ARCH_CPU], [cpu_type])
AS_IF([test -z "$cpu_type"], [
cpu_type=$host_cpu
AC_MSG_RESULT([$cpu_type])
AC_MSG_WARN([$host_cpu not found in cputable])
], [
AC_MSG_RESULT([$cpu_type])
])
AC_DEFINE_UNQUOTED([ARCHITECTURE_CPU], ["${cpu_type}"],
[Set this to the canonical dpkg CPU name.])
])# DPKG_CPU_TYPE
# DPKG_OS_TYPE
# ------------
# Parse the host operating system name and check it against a list of
# special cases to determine what type it is. Sets ARCHITECTURE_OS.
AC_DEFUN([DPKG_OS_TYPE], [
AC_MSG_CHECKING([dpkg operating system type])
_DPKG_ARCHITECTURE([DEB_HOST_ARCH_OS], [os_type])
AS_IF([test -z "$os_type"], [
os_type=$host_os
AC_MSG_RESULT([$os_type])
AC_MSG_WARN([$host_os not found in ostable])
], [
AC_MSG_RESULT([$os_type])
])
AC_DEFINE_UNQUOTED([ARCHITECTURE_OS], ["${os_type}"],
[Set this to the canonical dpkg system name.])
])# DPKG_OS_TYPE
# DPKG_ARCHITECTURE
# -----------------
# Determine the Debian name for the host operating system,
# sets ARCHITECTURE.
AC_DEFUN([DPKG_ARCHITECTURE], [
DPKG_CPU_TYPE
DPKG_OS_TYPE
AC_MSG_CHECKING([dpkg architecture name])
_DPKG_ARCHITECTURE([DEB_HOST_ARCH], [dpkg_arch])
AS_IF([test -z "$dpkg_arch"], [
AC_MSG_ERROR([cannot determine host dpkg architecture])
], [
AC_MSG_RESULT([$dpkg_arch])
])
AC_DEFINE_UNQUOTED([ARCHITECTURE], ["${dpkg_arch}"],
[Set this to the canonical dpkg architecture name.])
])# DPKG_ARCHITECTURE
# DPKG_ARCH_ABI
# -------------
# Determine parts of the Debian architecture ABI for the host system,
# so that it can be printed during configure.
AC_DEFUN([DPKG_ARCH_ABI], [
AC_CHECK_SIZEOF([short])
AC_CHECK_SIZEOF([int])
AC_CHECK_SIZEOF([long])
AC_CHECK_SIZEOF([long long])
AC_CHECK_SIZEOF([float])
AC_CHECK_SIZEOF([double])
AC_CHECK_SIZEOF([long double])
AC_CHECK_SIZEOF([void *])
AC_CHECK_SIZEOF([off_t], [], [[
#undef _TIME_BITS
#undef _FILE_OFFSET_BITS
#undef _LARGE_FILES
#include <sys/types.h>
]])
AC_CHECK_SIZEOF([time_t], [], [[
#undef _TIME_BITS
#include <time.h>
]])
AC_CHECK_ALIGNOF([max_align_t])
AC_C_CHAR_UNSIGNED
AS_IF([test "$ac_cv_c_char_unsigned" = yes],
[dpkg_char_sign=unsigned],
[dpkg_char_sign=signed]
)
AC_C_BIGENDIAN
AS_CASE([$ac_cv_c_bigendian],
[yes], [dpkg_arch_endian=big],
[no], [dpkg_arch_endian=little],
[dpkg_arch_endian=$ac_cv_c_bigendian]
)
AC_COMPUTE_INT([dpkg_char_bits], [CHAR_BIT], [#include <limits.h>])
dpkg_arch_bits=$((ac_cv_sizeof_void_p * dpkg_char_bits))
])# DPKG_ARCH_ABI