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