[Buildroot] [Bug 7172] New: Name collision of rpath token expansion and internal variables
bugzilla at busybox.net
bugzilla at busybox.net
Sun Jun 8 02:41:35 UTC 2014
https://bugs.busybox.net/show_bug.cgi?id=7172
Summary: Name collision of rpath token expansion and internal
variables
Product: buildroot
Version: 2014.05
Platform: PC
OS/Version: Linux
Status: NEW
Severity: major
Priority: P5
Component: Other
AssignedTo: unassigned at buildroot.uclibc.org
ReportedBy: minimod at morethan.org
CC: buildroot at uclibc.org
Estimated Hours: 0.0
Ref: man ld.so
Example:
In menu -> tool chain -> Target Linker Options (BR2_TARGET_LDFLAGS) to:
-Wl,-rpath='$ORIGIN/../lib'
(A relative path from executable to pathname of its required libraries.
The example in ld.so manual.).
Build BusyBox (which honors BR_TARGET_LDFLAGS, not everything does).
Use: readelf -dl on the resulting binary and find an entry similar to:
0x0000000f (RPATH) Library rpath: [outputRIGIN/../lib]
Where the $O of $ORIGIN has been expanded to an internal value by the time the
content of BR2_TARGET_LDFLAGS is seen by the compiler.
This was when using the Buildroot generation of a toolchain.
Other toolchain selections not tested.
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