[Buildroot] [Bug 10026] New: [PATCH] lua-5.3.4: fix lua linker error in swupdate
bugzilla at busybox.net
bugzilla at busybox.net
Tue Jul 11 11:28:50 UTC 2017
https://bugs.busybox.net/show_bug.cgi?id=10026
Bug ID: 10026
Summary: [PATCH] lua-5.3.4: fix lua linker error in swupdate
Product: buildroot
Version: unspecified
Hardware: All
OS: Linux
Status: NEW
Severity: normal
Priority: P5
Component: Other
Assignee: unassigned at buildroot.uclibc.org
Reporter: chemobejk at gmail.com
CC: buildroot at uclibc.org
Target Milestone: ---
Created attachment 7101
--> https://bugs.busybox.net/attachment.cgi?id=7101&action=edit
add missing -ldl to lua.pc
When I updated my existing buildroot configuration to 2017.05 or newer I get
build errors in the package "swupdate":
Trying libraries: pthread lua m z ubootenv
Failed: -Wl,--start-group -lpthread -llua -lm -lz -lubootenv -Wl,--end-group
...
==========
.../output/host/arm-buildroot-linux-gnueabihf/sysroot/lib/liblua.so:
undefined reference to `dlopen'
.../output/host/arm-buildroot-linux-gnueabihf/sysroot/lib/liblua.so:
undefined reference to `dlclose'
.../output/host/arm-buildroot-linux-gnueabihf/sysroot/lib/liblua.so:
undefined reference to `dlerror'
.../output/host/arm-buildroot-linux-gnueabihf/sysroot/lib/liblua.so:
undefined reference to `dlsym'
collect2: error: ld returned 1 exit status
make[1]: *** [swupdate_unstripped] Error 1
The root cause is a missing "-ldl" in etc/lua.pc.
This is probably wrong for all lua patches that add etc/lua.pc, although I
personally only tested lua-5.3.4. The patch should apply to them too.
I'm attaching the patch that I added to my buildroot external directory to fix
the build problem.
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