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没有make clean,做了少许修改，直接重新编译还是很慢，一些编译过的库，不是应该不用再重新编译了。是不是要做什么设置？
如果每次改一点东西都要两个小时，那也太夸张了吧？
2025-12-21T08:22:40 >>> glibc 2.38-44-gd37c2b20a4787463d192b32041c3406c2bd91de0 Installing to target
2025-12-21T08:22:41 >>> host-gcc-final 12.4.0 Extracting
2025-12-21T08:22:51 >>> host-gcc-final 12.4.0 Patching
2025-12-21T08:22:52 >>> host-gcc-final 12.4.0 Updating config.sub and config.guess
2025-12-21T08:22:52 >>> host-gcc-final 12.4.0 Patching libtool
2025-12-21T08:22:52 >>> host-gcc-final 12.4.0 Configuring
2025-12-21T08:22:56 >>> host-gcc-final 12.4.0 Building
2025-12-21T08:40:55 >>> host-gcc-final 12.4.0 Installing to host directory
2025-12-21T08:41:07 >>> gcc-final 12.4.0 Extracting
2025-12-21T08:41:18 >>> gcc-final 12.4.0 Patching
2025-12-21T08:41:18 >>> gcc-final 12.4.0 Configuring
2025-12-21T08:41:18 >>> gcc-final 12.4.0 Building
。。。。
025-12-21T08:44:30 >>> freetype 2.13.2 Installing to target
2025-12-21T08:44:30 >>> host-cmake 3.28.1 Extracting
2025-12-21T08:44:31 >>> host-cmake 3.28.1 Patching
2025-12-21T08:44:32 >>> host-cmake 3.28.1 Configuring
2025-12-21T08:49:42 >>> host-cmake 3.28.1 Building
2025-12-21T09:01:00 >>> host-cmake 3.28.1 Installing to host directory
2025-12-21T09:01:02 >>> host-ninja 1.11.1.g95dee.kitware.jobserver-1 Extracting
2025-12-21T09:01:02 >>> host-ninja 1.11.1.g95dee.kitware.jobserver-1 Patching
2025-12-21T09:01:02 >>> host-ninja 1.11.1.g95dee.kitware.jobserver-1 Configuring
。。。。
2025-12-21T09:57:29 >>> Generating filesystem image from extra target rootfs.ubifs
2025-12-21T09:57:47 >>> Generating filesystem image from extra target rootfs.ubi
Done in 2h 08min 31s
Log saved on /home/nh/xh/output/sessions/2025-12-21_07-49-14/br-rockchip_rk3506_luckfox_2025-12-21_07-49-18.log
Generated images:

如果想要添加buildroot一些库可以参考我们的教程，执行过 make clean 后肯定是要重新编译的，正常添加不需要clean。
https://wiki.luckfox.com/zh/Luckfox-Lyr ... figuration