The -Bstatic / -Bdynamic switches should be compatible with GNU ld

[llvmbot]

Bugzilla Link	20976
Resolution	FIXED
Resolved on	Oct 12, 2015 17:28
Version	unspecified
OS	Linux
Blocks	#23588
Reporter	LLVM Bugzilla Contributor
CC	@emaste

Extended Description

There is a discrepancy in how the -Bstatic switch (disable linking against shared libs) is treated by lld and GNU ld.

According to the GNU ld docs, the switch affects library searching for -l options which follow it. This means -Bstatic can be used multiple times in the command line to disable dynamic linking for particular -l options. For example:

ld -Bstatic -lslib1 -lslib2 -Bdynamic -ldlib1 -Bstatic -lslib3...

Even though the GNU linker won't search for so-files for slib1, slib2 and slib3, so-file for dlib1 will still be considered as it is preceded by -Bdynamic.

Lld behaves differently.
-Bdynamic is not recognized at all, whereas -Bstatic applies static linkage on the output file level. The output file is considered static and it's no longer possible to link against any shared lib. Lld looks for static archives only if -Bstatic is met in the command line.

[emaste]

http://reviews.llvm.org/D13238

[llvmbot]

Fixed in ELF2.

[emaste]

mentioned in issue #23588