1#
2# The i686 CPU family was introduced with the Intel Pentium Pro in 1995.
3# It has as required feature flags: fpu tsc cx8 cmov.
4#
5# It is the minimum CPU required by the Debian i386 port.
6# https://lists.debian.org/debian-devel-announce/2016/05/msg00001.html
7#
8#
9
10DEFAULTTUNE ?= "i686"
11
12# Set x86 target arch to i686, so that glibc enables SSE optimised memcpy, etc.
13X86ARCH32 ?= "i686"
14
15# Include the previous tune to pull in PACKAGE_EXTRA_ARCHS
16require conf/machine/include/x86/tune-i586.inc
17
18# Extra tune features
19TUNEVALID[i686] = "Enable i686 specific processor optimizations"
20TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'i686', ' -march=i686', '', d)}"
21
22# Extra tune selections
23AVAILTUNES += "i686"
24TUNE_FEATURES:tune-i686 = "${TUNE_FEATURES:tune-x86} i686"
25BASE_LIB:tune-i686 = "lib"
26TUNE_PKGARCH:tune-i686 = "i686"
27PACKAGE_EXTRA_ARCHS:tune-i686 = "${PACKAGE_EXTRA_ARCHS:tune-i586} i686"
28