编译32位和64位的项目中使用的CMake [英] Compiling 32-bit vs 64-bit project using CMake

问题描述

我如何指定的CMake应使用不同的 link_directories 值取决于目标是否是32位的是64位？例如，32位二进制文​​件需要32位加速链接，32位二进制文​​件需要64位加速链接。

How do I specify that CMake should use a different link_directories value depending on whether the target is 32-bit is 64-bit? For example, 32-bit binaries need to link with 32-bit Boost, 32-bit binaries need to link with 64-bit Boost.

推荐答案

您做的东西沿着这些路线

You do something along these lines

  if( CMAKE_SIZEOF_VOID_P EQUAL 8 )
    set( BOOST_LIBRARY "/boost/win64/lib" )
  else( CMAKE_SIZEOF_VOID_P EQUAL 8 )
    set( BOOST_LIBRARY "/boost/win32/lib" )
  endif( CMAKE_SIZEOF_VOID_P EQUAL 8 )
  set( CMAKE_EXE_LINKER_FLAGS ${BOOST_LIBRARY} )

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