fail to compile on ubuntu 18.04 about nos HOT 4 CLOSED

e=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-libmpx --enable-plugin --enable-default-pie --with-system-zlib --with-target-system-zlib --enable-objc-gc=auto --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
gcc version 8.3.0 (Ubuntu 8.3.0-6ubuntu1~18.10.1)
configure:3201: $? = 0
configure:3190: g++ -V >&5
g++: error: unrecognized command line option '-V'
g++: fatal error: no input files
compilation terminated.
configure:3201: $? = 1
configure:3190: g++ -qversion >&5
g++: error: unrecognized command line option '-qversion'; did you mean '--version'?
g++: fatal error: no input files
compilation terminated.
configure:3201: $? = 1
configure:3221: checking whether the C++ compiler works
configure:3243: g++ -mcmodel=kernel -mno-red-zone -mgeneral-regs-only -O2 -ffreestanding -fno-leading-underscore -Wall -Wextra -Wpedantic -fno-rtti -fno-exceptions -std=c++17 -Wl,-z -Wl,max-page-size=0x1000 -nostartfiles -nostdlib -fno-rtti -fno-exceptions conftest.cpp >&5
cc1plus: error: code model kernel does not support PIC mode
configure:3247: $? = 1
configure:3285: result: no
configure: failed program was:
| /* confdefs.h */
| #define PACKAGE_NAME "NOS"
| #define PACKAGE_TARNAME "nos"
| #define PACKAGE_VERSION "0.1"
| #define PACKAGE_STRING "NOS 0.1"

from nos.

The correct format to specify a target triplet is to use --host=<target-triplet>. This has been clarified in the compile instructions in the readme file.

from nos.

thank you so much. my bad. after I use --host=, I still suffer the same error.

wayne@ubuntu:~/NOS$ sudo ./configure --host=x86_64-pc-elf
[sudo] password for wayne:
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-elf
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for x86_64-pc-elf-strip... no
checking for strip... strip
checking for a thread-safe mkdir -p... /bin/mkdir -p
checking for gawk... no
checking for mawk... mawk
checking whether make sets $(MAKE)... yes
checking whether make supports nested variables... yes
checking for x86_64-pc-elf-g++... no
checking for x86_64-pc-elf-c++... no
checking for x86_64-pc-elf-gpp... no
checking for x86_64-pc-elf-aCC... no
checking for x86_64-pc-elf-CC... no
checking for x86_64-pc-elf-cxx... no
checking for x86_64-pc-elf-cc++... no
checking for x86_64-pc-elf-cl.exe... no
checking for x86_64-pc-elf-FCC... no
checking for x86_64-pc-elf-KCC... no
checking for x86_64-pc-elf-RCC... no
checking for x86_64-pc-elf-xlC_r... no
checking for x86_64-pc-elf-xlC... no
checking for g++... g++
checking whether the C++ compiler works... no
configure: error: in /home/wayne/NOS': configure: error: C++ compiler cannot create executables See config.log' for more details

from nos.

It appears that configure cannot find your cross compiler. Make sure that it is present in your system's PATH.

from nos.