gcc - collect2：错误：ld 返回 1 退出状态 [gem5]

Question

我正在构建 gem5.opt 使用

scons build/X86/gem5.opt

我收到以下错误：

[    LINK]  -> X86/marshal
/usr/bin/ld: cannot find -lpng
collect2: error: ld returned 1 exit status
scons: *** [build/X86/marshal] Error 1
scons: building terminated because of errors.

我尝试链接 libpng.so：

sudo ln -s /usr/lib/i386-linux-gnu/libpng.so /usr/lib/libpng.so

这当然告诉我它是不兼容的：

[    LINK]  -> X86/marshal
/usr/bin/ld: skipping incompatible /usr/lib/libpng.so when searching for -lpng
/usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-linux-gnu/7/../../../../lib/libpng.so when searching for -lpng
/usr/bin/ld: skipping incompatible /usr/lib/../lib/libpng.so when searching for -lpng
/usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-linux-gnu/7/../../../libpng.so when searching for -lpng
/usr/bin/ld: skipping incompatible //usr/lib/libpng.so when searching for -lpng
/usr/bin/ld: cannot find -lpng
collect2: error: ld returned 1 exit status
 [    LINK]  -> X86/cpu/testers/memtest/lib.o.partial
 [     CXX] X86/dev/pci/device.cc -> .o
 [     CXX] X86/dev/pci/host.cc -> .o
 [     CXX] X86/dev/pci/copy_engine.cc -> .o
 [     CXX] X86/systemc/channel/sc_event_queue.cc -> .o
 [     CXX] X86/systemc/channel/sc_in_resolved.cc -> .o
 [     CXX] X86/systemc/channel/sc_inout_resolved.cc -> .o
scons: *** [build/X86/marshal] Error 1
 [     CXX] X86/systemc/channel/sc_out_resolved.cc -> .o
scons: building terminated because of errors.

那么我从哪里获得 64 位 libpng.so 呢？

git SHA: af8d107191cc69a77624e2af34f108dc9c1ff03f
OS: Ubuntu 18.04.2 LTS

编辑：我不知道这是否会有所帮助，但将其放在这里以防万一。

标签： gccgem5

Answer 1

我遇到了同样的错误。传递png lib的正确路径并不能解决问题，构建过程仍然会抛出一个错误消息，上面写着“ collect2: error: ld returned 1 exit status”我解决了这个问题只是sudo在构建命令的开头添加了！！！

sudo scons build/X86/gem5.opt --force-lto

结果：

scons: Building targets ...
 [VER TAGS]  -> X86/sim/tags.cc
 [     CXX] X86/sim/tags.cc -> .o
 [     CXX] X86/base/date.cc -> .o
 [    LINK]  -> X86/gem5.opt
scons: done building targets.