看起来我试图将64位Python库链接到32位应用程序。我希望链接器能告诉我除未解决的符号之外的其他内容。链接到32位库可以解决问题。

Looks like I was trying to link a 64-bit Python library to a 32-bit application. I wish the linker would tell me something other than "unresolved symbol." Linking to the 32-bit library fixes the problem.