CPack NSIS，为Windows生成安装程序 [英] CPack NSIS, generate installer for Windows

问题描述

我正在尝试在VS项目中运行数据包生成器，由于在安装目标和文件时使用了绝对路径，因此在编译时会崩溃。

I´m trying to run packet generator within a VS project, it crashes while compiling because of the use of absolute path on installation from Targets and Files.

 ABSOLUTE path INSTALL DESTINATION forbidden (by caller): ...

我检查了两次，所有安装目录都是相对的。我将很多变量设置为$ {PROJECT_BINARY_DIR}（应该是相对的）的子文件夹，例如：

I checked twice and all installation directories are relative. I set quite a lot of variables as sub-folders of ${PROJECT_BINARY_DIR} (which should be relative) such as:

set(INSTALL_DIR ${PROJECT_BINARY_DIR}/bin)
set(LIB_DIR ${PROJECT_BINARY_DIR}/bin/lib)
set(EXT_DIR ${PROJECT_BINARY_DIR}/bin/ext)
...

CMAKE / CPACK会将这些变量解释为绝对路径吗？
如果可以，是否有办法使CPack与这些变量一起正常工作？
当涉及子相对路径时，如何使用CPack？

does CMAKE/CPACK interpret those variables as absolute paths? If so, is there a way to make CPack working properly with those variables? How do I use CPack when sub-relative path are involved?

谢谢

推荐答案

好的，我知道，$ {PROJECT_BINARY_DIR}被解释为绝对路径，从该路径开始，所有子文件夹将被拒绝。

Ok I see, the ${PROJECT_BINARY_DIR} is interpreted as an ABSOLUTE path, from there all sub-folder of it will be rejected.

为避免此问题，我将安装变量放在if else块中，如果是打包的情况，则将使用相对文件夹，如下所示：

To avoid this problem I surrounded the install variables in if else blocks, and if it is the case of packaging then a relative folder will be used as follows:

if(PACK)
   set(INSTALL_DIR bin)
   set(LIB_DIR bin/lib)
   set(EXT_DIR /bin/ext)
   ...
else(PACK)
   set(INSTALL_DIR ${PROJECT_BINARY_DIR}/bin)
   set(LIB_DIR ${PROJECT_BINARY_DIR}/bin/lib)
   set(EXT_DIR ${PROJECT_BINARY_DIR}/bin/ext)
   ...
endif(PACK)

这可以解决它，但是它确实很脏，正在等待新的CPack版本上更好的功能。

this solves it, but it is really dirty, waiting for a better function on new CPack version.

ciao

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