为什么我得到 cc1plus: 错误:无法识别的命令行选项“-arch"? [英] Why do I get cc1plus: error: unrecognized command line option "-arch"?

问题描述

/usr/bin/make -f nbproject/Makefile-Debug.mk SUBPROJECTS= .build-conf
/usr/bin/make  -f nbproject/Makefile-Debug.mk dist/Debug/GNU-MacOSX/cppapplication_1
mkdir -p build/Debug/GNU-MacOSX
rm -f build/Debug/GNU-MacOSX/main.o.d
g++ -arch i386   -c -g -MMD -MP -MF build/Debug/GNU-MacOSX/main.o.d -o build/Debug/GNU-MacOSX/main.o main.cpp
cc1plus: error: unrecognized command line option "-arch"
make[2]: *** [build/Debug/GNU-MacOSX/main.o] Error 1
make[1]: *** [.build-conf] Error 2
make: *** [.build-impl] Error 2
BUILD FAILED (exit value 2, total time: 311ms)

simpatico$ g++ -v
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/opt/local/libexec/gcc/x86_64-apple-darwin10/4.5.1/lto-wrapper
Target: x86_64-apple-darwin10
Configured with: ../gcc-4.5.1/configure --prefix=/opt/local --build=x86_64-apple-darwin10 --enable-languages=c,c++,objc,obj-c++,fortran,java --libdir=/opt/local/lib/gcc45 --includedir=/opt/local/include/gcc45 --infodir=/opt/local/share/info --mandir=/opt/local/share/man --datarootdir=/opt/local/share/gcc-4.5 --with-local-prefix=/opt/local --with-system-zlib --disable-nls --program-suffix=-mp-4.5 --with-gxx-include-dir=/opt/local/include/gcc45/c++/ --with-gmp=/opt/local --with-mpfr=/opt/local --with-mpc=/opt/local --enable-stage1-checking --disable-multilib --enable-fully-dynamic-string
Thread model: posix
gcc version 4.5.1 (GCC) 

这个简单的文件:

#include <stdlib.h>

int main(int argc, char** argv) {

    return (EXIT_SUCCESS);
}

推荐答案

-arch 选项是 Apple 对 gcc 扩展的一部分.您需要使用 Apple 的开发者工具 Xcode 提供的 gcc.

The -arch option is part of the Apple extensions to gcc. You need to use the gcc supplied by Apple's Developer Tools, Xcode.

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