Build of mcpp with android toolchain

# [tuscan]
# Server = file:///var/cache/pacman/pkg/

# :: Synchronizing package databases...
# downloading tuscan.db...

# /toolchain_root/arm-linux-androideabi --> /sysroot/arm-linux-androideabi
# /toolchain_root/COPYING3.LIB --> /sysroot/COPYING3.LIB
# /toolchain_root/sysroot --> /sysroot/sysroot
# /toolchain_root/COPYING.RUNTIME --> /sysroot/COPYING.RUNTIME
# /toolchain_root/lib --> /sysroot/lib
# /toolchain_root/SOURCES --> /sysroot/SOURCES
# /toolchain_root/lib64 --> /sysroot/lib64
# /toolchain_root/share --> /sysroot/share
# /toolchain_root/bin --> /sysroot/bin
# /toolchain_root/COPYING --> /sysroot/COPYING
# /toolchain_root/COPYING3 --> /sysroot/COPYING3
# /toolchain_root/COPYING.LIB --> /sysroot/COPYING.LIB
# /toolchain_root/include --> /sysroot/include
# /toolchain_root/libexec --> /sysroot/libexec

# ==> Making package: mcpp 2.7.2-5 (Tue Apr 4 22:12:08 UTC 2017)
# ==> Checking runtime dependencies...
# ==> Checking buildtime dependencies...
# ==> WARNING: Using existing $srcdir/ tree
# ==> Starting build()...
# patching file src/mbchar.c
# patching file src/internal.H
# patching file src/main.c
# patching file src/support.c
# patching file src/system.c
# checking build system type... x86_64-unknown-linux-gnu
# checking host system type... Invalid configuration `arm-linux-androideabi': system `androideabi' not recognized
# configure: error: /bin/sh config/config.sub arm-linux-androideabi failed
# ==> ERROR: A failure occurred in build().
# Aborting...

# This file contains any messages produced by compilers while
# running configure, to aid debugging if configure makes a mistake.
#
# It was created by mcpp configure 2.7.2, which was
# generated by GNU Autoconf 2.61. Invocation command line was
#
# $ ./configure --build=x86_64-unknown-linux --host=arm-linux-androideabi --prefix=/usr --enable-mcpplib --disable-static
#
# ## --------- ##
# ## Platform. ##
# ## --------- ##
#
# hostname = a653cbf7dfb8
# uname -m = x86_64
# uname -r = 4.10.6-1-ARCH
# uname -s = Linux
# uname -v = #1 SMP PREEMPT Mon Mar 27 08:28:22 CEST 2017
#
# /usr/bin/uname -p = unknown
# /bin/uname -X = unknown
#
# /bin/arch = unknown
# /usr/bin/arch -k = unknown
# /usr/convex/getsysinfo = unknown
# /usr/bin/hostinfo = unknown
# /bin/machine = unknown
# /usr/bin/oslevel = unknown
# /bin/universe = unknown
#
# PATH: /sysroot/bin
# PATH: /sysroot/libexec/gcc/arm-linux-androideabi/4.8
# PATH: /usr/local/sbin
# PATH: /usr/local/bin
# PATH: /usr/sbin
# PATH: /usr/bin
# PATH: /sbin
# PATH: /bin
#
#
# ## ----------- ##
# ## Core tests. ##
# ## ----------- ##
#
# configure:2021: checking build system type
# configure:2039: result: x86_64-unknown-linux-gnu
# configure:2061: checking host system type
# configure:2070: error: /bin/sh config/config.sub arm-linux-androideabi failed
#
# ## ---------------- ##
# ## Cache variables. ##
# ## ---------------- ##
#
# ac_cv_build=x86_64-unknown-linux-gnu
# ac_cv_env_CCC_set=
# ac_cv_env_CCC_value=
# ac_cv_env_CC_set=set
# ac_cv_env_CC_value=arm-linux-androideabi-gcc
# ac_cv_env_CFLAGS_set=set
# ac_cv_env_CFLAGS_value=
# ac_cv_env_CPPFLAGS_set=set
# ac_cv_env_CPPFLAGS_value=
# ac_cv_env_CPP_set=
# ac_cv_env_CPP_value=
# ac_cv_env_CXXCPP_set=
# ac_cv_env_CXXCPP_value=
# ac_cv_env_CXXFLAGS_set=set
# ac_cv_env_CXXFLAGS_value=
# ac_cv_env_CXX_set=set
# ac_cv_env_CXX_value=arm-linux-androideabi-g++
# ac_cv_env_F77_set=
# ac_cv_env_F77_value=
# ac_cv_env_FFLAGS_set=
# ac_cv_env_FFLAGS_value=
# ac_cv_env_LDFLAGS_set=set
# ac_cv_env_LDFLAGS_value=
# ac_cv_env_LIBS_set=
# ac_cv_env_LIBS_value=
# ac_cv_env_build_alias_set=set
# ac_cv_env_build_alias_value=x86_64-unknown-linux
# ac_cv_env_host_alias_set=set
# ac_cv_env_host_alias_value=arm-linux-androideabi
# ac_cv_env_target_alias_set=
# ac_cv_env_target_alias_value=
# ac_cv_host=
#
# ## ----------------- ##
# ## Output variables. ##
# ## ----------------- ##
#
# ACLOCAL=''
# AMTAR=''
# AR=''
# AS=''
# AUTOCONF=''
# AUTOHEADER=''
# AUTOMAKE=''
# AWK=''
# CC='arm-linux-androideabi-gcc'
# CFLAGS=''
# CPP=''
# CPPFLAGS=''
# CXX='arm-linux-androideabi-g++'
# CXXCPP=''
# CXXFLAGS=''
# CYGPATH_W=''
# DEFS=''
# DLLTOOL=''
# ECHO='echo'
# ECHO_C=''
# ECHO_N='-n'
# ECHO_T=''
# EGREP=''
# EXEEXT=''
# F77=''
# FFLAGS=''
# GNUC_FALSE=''
# GNUC_TRUE=''
# GREP=''
# INSTALL_DATA=''
# INSTALL_PROGRAM=''
# INSTALL_SCRIPT=''
# INSTALL_STRIP_PROGRAM=''
# LDFLAGS=''
# LIBOBJS=''
# LIBS=''
# LIBTOOL=''
# LN_S=''
# LTLIBOBJS=''
# MAKEINFO=''
# MCPP_LIB_FALSE=''
# MCPP_LIB_TRUE=''
# MINGW_FALSE=''
# MINGW_TRUE=''
# OBJDUMP=''
# OBJEXT=''
# PACKAGE=''
# PACKAGE_BUGREPORT='kmatsui@t3.rim.or.jp'
# PACKAGE_NAME='mcpp'
# PACKAGE_STRING='mcpp 2.7.2'
# PACKAGE_TARNAME='mcpp'
# PACKAGE_VERSION='2.7.2'
# PATH_SEPARATOR=':'
# RANLIB=''
# REPLACE_CPP_FALSE=''
# REPLACE_CPP_TRUE=''
# SET_MAKE=''
# SHELL='/bin/sh'
# STRIP=''
# Target_Cpu=''
# VERSION=''
# ac_ct_CC=''
# ac_ct_CXX=''
# ac_ct_F77=''
# am__isrc=''
# am__leading_dot=''
# am__tar=''
# am__untar=''
# bindir='${exec_prefix}/bin'
# build='x86_64-unknown-linux-gnu'
# build_alias='x86_64-unknown-linux'
# build_cpu='x86_64'
# build_os='linux-gnu'
# build_vendor='unknown'
# cpp_call=''
# datadir='${datarootdir}'
# datarootdir='${prefix}/share'
# docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
# dvidir='${docdir}'
# exec_prefix='NONE'
# gcc_maj_ver=''
# gcc_min_ver=''
# gcc_path=''
# gcc_testsuite_dir=''
# host='arm-linux-androideabi'
# host_alias='arm-linux-androideabi'
# host_cpu=''
# host_os=''
# host_system=''
# host_vendor=''
# htmldir='${docdir}'
# inc_dir=''
# includedir='${prefix}/include'
# infodir='${datarootdir}/info'
# install_sh=''
# libdir='${exec_prefix}/lib'
# libexecdir='${exec_prefix}/libexec'
# localedir='${datarootdir}/locale'
# localstatedir='${prefix}/var'
# mandir='${datarootdir}/man'
# mkdir_p=''
# oldincludedir='/usr/include'
# pdfdir='${docdir}'
# prefix='/usr'
# program_transform_name='s,x,x,'
# psdir='${docdir}'
# sbindir='${exec_prefix}/sbin'
# sharedstatedir='${prefix}/com'
# sysconfdir='${prefix}/etc'
# target=''
# target_alias=''
# target_cc=''
# target_cpu=''
# target_os=''
# target_vendor=''
#
# ## ----------- ##
# ## confdefs.h. ##
# ## ----------- ##
#
# #define PACKAGE_NAME "mcpp"
# #define PACKAGE_TARNAME "mcpp"
# #define PACKAGE_VERSION "2.7.2"
# #define PACKAGE_STRING "mcpp 2.7.2"
# #define PACKAGE_BUGREPORT "kmatsui@t3.rim.or.jp"
#
# configure: exit 1