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#!/usr/bin/env bash
# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
#
# Openssl doesn't play along nicely with cross-compiling
# like autotools based projects, so let's teach it new tricks.
#
# Review the bundled 'config' script to see why kind of targets
# we can pass to the 'Configure' script.
# Testing routines
if [[ $1 == "test" ]] ; then
for c in \
"arm-gentoo-linux-uclibc |linux-generic32 -DL_ENDIAN" \
"armv5b-linux-gnu |linux-armv4 -DB_ENDIAN" \
"x86_64-pc-linux-gnu |linux-x86_64" \
"alpha-linux-gnu |linux-alpha-gcc" \
"alphaev56-unknown-linux-gnu |linux-alpha+bwx-gcc" \
"i686-pc-linux-gnu |linux-elf" \
"whatever-gentoo-freebsdX.Y |BSD-generic32" \
"i686-gentoo-freebsdX.Y |BSD-x86-elf" \
"sparc64-alpha-freebsdX.Y |BSD-sparc64" \
"ia64-gentoo-freebsd5.99234 |BSD-ia64" \
"x86_64-gentoo-freebsdX.Y |BSD-x86_64" \
"hppa64-aldsF-linux-gnu5.3 |linux-generic32 -DB_ENDIAN" \
"powerpc-gentOO-linux-uclibc |linux-ppc" \
"powerpc64-unk-linux-gnu |linux-ppc64" \
"powerpc64le-linux-gnu |linux-ppc64le" \
"x86_64-apple-darwinX |darwin64-x86_64-cc" \
"powerpc64-apple-darwinX |darwin64-ppc-cc" \
"i686-apple-darwinX |darwin-i386-cc" \
"i386-apple-darwinX |darwin-i386-cc" \
"powerpc-apple-darwinX |darwin-ppc-cc" \
"i586-pc-winnt |winnt-parity" \
"s390-ibm-linux-gnu |linux-generic32 -DB_ENDIAN" \
"s390x-linux-gnu |linux64-s390x" \
;do
CHOST=${c/|*}
ret_want=${c/*|}
ret_got=$(CHOST=${CHOST} "$0")
if [[ ${ret_want} == "${ret_got}" ]] ; then
echo "PASS: ${CHOST}"
else
echo "FAIL: ${CHOST}"
echo -e "\twanted: ${ret_want}"
echo -e "\twe got: ${ret_got}"
fi
done
exit 0
fi
[[ -z ${CHOST} && -n $1 ]] && CHOST=$1
# Detect the operating system
case ${CHOST} in
*-aix*) system="aix";;
*-darwin*) system="darwin";;
*-freebsd*) system="BSD";;
*-hpux*) system="hpux";;
*-linux*) system="linux";;
*-solaris*) system="solaris";;
*-winnt*) system="winnt";;
x86_64-*-mingw*) system="mingw64";;
*mingw*) system="mingw";;
*) exit 0;;
esac
# Compiler munging
compiler="gcc"
if [[ ${CC} == "ccc" ]] ; then
compiler=${CC}
fi
# Detect target arch
machine=""
submachine=""
chost_machine=${CHOST%%-*}
[[ ${CC} == *clang* ]] && submachine="-clang"
case ${system} in
linux)
case ${chost_machine}:${ABI} in
aarch64*be*) machine="aarch64 -DB_ENDIAN";;
aarch64*) machine="aarch64 -DL_ENDIAN";;
alphaev56*|\
alphaev[678]*)machine=alpha+bwx-${compiler};;
alpha*) machine=alpha-${compiler};;
armv[4-9]*b*) machine="armv4 -DB_ENDIAN";;
armv[4-9]*) machine="armv4 -DL_ENDIAN";;
arm*b*) machine="generic32 -DB_ENDIAN";;
arm*) machine="generic32 -DL_ENDIAN";;
avr*) machine="generic32 -DL_ENDIAN";;
bfin*) machine="generic32 -DL_ENDIAN";;
# hppa64*) machine=parisc64;;
hppa*) machine="generic32 -DB_ENDIAN";;
i[0-9]86*|\
x86_64*:x86) machine=x86${submachine};;
ia64*) machine=ia64;;
loongarch64*) machine="loongarch64 -DL_ENDIAN" system=linux64;;
m68*) machine="latomic -DB_ENDIAN";;
mips*el*:o32) machine="mips32 -DL_ENDIAN";;
mips*:o32) machine="mips32 -DB_ENDIAN";;
mips*el*:n32) machine="mips64 -DL_ENDIAN";;
mips*:n32) machine="mips64 -DB_ENDIAN";;
mips*el*:n64) machine="mips64 -DL_ENDIAN" system=linux64;;
mips*:n64) machine="mips64 -DB_ENDIAN" system=linux64;;
powerpc64*le*)machine=ppc64le;;
powerpc64*) machine=ppc64;;
powerpc*le*) machine="generic32 -DL_ENDIAN";;
powerpc*) machine=ppc;;
riscv32*) machine="generic32 -DL_ENDIAN";;
riscv64*) machine="riscv64 -DL_ENDIAN" system=linux64;;
# sh64*) machine=elf;;
sh*b*) machine="generic32 -DB_ENDIAN";;
sh*) machine="generic32 -DL_ENDIAN";;
# TODO: Might want to do -mcpu probing like glibc to determine a
# better default for sparc-linux-gnu targets. This logic will
# break v7 and older systems when they use it.
sparc*v7*) machine="generic32 -DB_ENDIAN";;
sparc64*) machine=sparcv9 system=linux64;;
sparc*v9*) machine=sparcv9;;
sparc*v8*) machine=sparcv8;;
sparc*) machine=sparcv8;;
s390x*) machine=s390x system=linux64;;
s390*) machine="generic32 -DB_ENDIAN";;
x86_64*:x32) machine=x32;;
x86_64*) machine=x86_64${submachine};;
esac
;;
BSD)
case ${chost_machine} in
alpha*) machine=generic64;;
i[6-9]86*) machine=x86-elf;;
ia64*) machine=ia64;;
sparc64*) machine=sparc64;;
x86_64*) machine=x86_64;;
*) machine=generic32;;
esac
;;
aix)
machine=${compiler}
;;
darwin)
case ${chost_machine} in
powerpc64) machine=ppc-cc; system=${system}64;;
powerpc) machine=ppc-cc;;
i?86*) machine=i386-cc;;
x86_64) machine=x86_64-cc; system=${system}64;;
esac
;;
hpux)
case ${chost_machine} in
ia64) machine=ia64-${compiler} ;;
esac
;;
solaris)
case ${chost_machine} in
i386) machine=x86-${compiler} ;;
x86_64*) machine=x86_64-${compiler}; system=${system}64;;
sparcv9*) machine=sparcv9-${compiler}; system=${system}64;;
sparc*) machine=sparcv8-${compiler};;
esac
;;
winnt)
machine=parity
;;
mingw*)
# special case ... no xxx-yyy style name
echo ${system}
;;
esac
# If we have something, show it
[[ -n ${machine} ]] && echo ${system}-${machine}
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