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# ===========================================================================
# https://www.gnu.org/software/autoconf-archive/ax_cpu_vendor.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_CPU_VENDOR
#
# DESCRIPTION
#
# Find your CPU's vendor by requesting cpuid and define "ax_cv_cpu_vendor"
# accordingly. This macro depends on AX_GCC_X86_CPUID.
#
# LICENSE
#
# Copyright (c) 2008 Christophe Tournayre <turn3r@users.sourceforge.net>
#
# Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice
# and this notice are preserved. This file is offered as-is, without any
# warranty.
#serial 9
AC_DEFUN([AX_CPU_VENDOR],
[
AC_REQUIRE([AX_GCC_X86_CPUID])
AX_GCC_X86_CPUID(0x0)
AC_CACHE_CHECK(for the processor vendor, ax_cv_cpu_vendor,
[
vendor=`echo $ax_cv_gcc_x86_cpuid_0x0 | cut -d ":" -f 2`
case $vendor in
756e6547*)
ax_cv_cpu_vendor="Intel"
;;
68747541*)
ax_cv_cpu_vendor="AMD"
;;
69727943*)
ax_cv_cpu_vendor="Cyrix"
;;
746e6543*)
ax_cv_cpu_vendor="IDT"
;;
646f6547*)
ax_cv_cpu_vendor="Natsemi Geode"
;;
52697365*)
ax_cv_cpu_vendor="Rise"
;;
65736952*)
ax_cv_cpu_vendor="Rise"
;;
20536953*)
ax_cv_cpu_vendor="SiS"
;;
*)
ax_cv_cpu_vendor="Unknown"
;;
esac
])
])
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