title: Why do I get cc1plus: error: unrecognized command line option "-arch"?
body: <pre><code>/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) 
  </code></pre>
  
  <p>This simple of a file:</p>
  
  <pre><code>#include &lt;stdlib.h&gt;
  
  int main(int argc, char** argv) {
  
      return (EXIT_SUCCESS);
  }
  </code></pre>