如何在 NSIS 安装(CMake)中设置图标

How to set an Icon in NSIS install (CMake)

CPACK_PACKAGE_ICON 的文档在 cmake wiki page 上非常有限。

以下对我不起作用(如per):

set(CPACK_PACKAGE_ICON  "${CMAKE_CURRENT_SOURCE_DIR}/images/MyIcon.bmp")
include(CPack)

它导致:

File: "C:/proj/my_library/images/MyIcon.bmp" -> no files found.
Usage: File [/nonfatal] [/a] ([/r] [/x filespec [...]] filespec [...] |
   /oname=outfile one_file_only)
Error in macro MUI_HEADERIMAGE_INIT on macroline 24
Error in macro MUI_GUIINIT on macroline 3
Error in macro MUI_FUNCTION_GUIINIT on macroline 4
Error in macro MUI_INSERT on macroline 11
Error in macro MUI_LANGUAGE on macroline 7
Error in script "C:/proj/bin-win/_CPack_Packages/win32/NSIS/project.nsi" on line 574 -- aborting creation process

那么在 NSIS 安装程序的安装过程中如何实际设置工作图标?另外,图标实际需要什么格式?

经过反复试验,我终于找到了两个需要的技巧:

语法实际上是:

set(CPACK_PACKAGE_ICON  "${CMAKE_CURRENT_SOURCE_DIR}/images\\MyIcon.bmp")

并且 BMP 文件仅限于旧格式,这不是 imagemagick 的默认格式。例如:

$ file MyIcon.bmp
MyIcon.bmp: PC bitmap, Windows 98/2000 and newer format, 128 x 128 x 24

需要的是这个:

$ convert MyIcon.bmp BMP3:MyIcon2.bmp
$ file MyIcon2.bmp
MyIcon2.bmp: PC bitmap, Windows 3.x format, 128 x 128 x 24

第一个表示 (Windows 98/2000 and newer format) 对我不起作用。