http://sourceware.org/bugzilla/show_bug.cgi?id=12893
Summary: gold reports duplicated symbols when symbols have
version both in script and in source
Product: binutils
Version: 2.22 (HEAD)
Status: NEW
Severity: normal
Priority: P2
Component: gold
AssignedTo: i...@airs.com
ReportedBy: flamee...@gmail.com
This is arguably a bug in the developers' code itself, but at least bfd/ld
seems to let it through so it could possibly be of interest to look at.
The reduced testcase is as follows:
# cat test-lib.c
void a() {
}
__asm__ (".symver a,a@TEST");
# cat test.ver
TEST {
global:
a;
local:
*;
};
# gcc -Wl,--version-script=test.ver -fPIC -shared test-lib.c -o libtest.so
/usr/lib/gcc/i686-pc-linux-gnu/4.6.0/../../../../i686-pc-linux-gnu/bin/ld:
error: /tmp/ccPGK7Km.o: multiple definition of 'a'
/usr/lib/gcc/i686-pc-linux-gnu/4.6.0/../../../../i686-pc-linux-gnu/bin/ld:
/tmp/ccPGK7Km.o: previous definition here
collect2: ld returned 1 exit status
This is the code used by at least libdebian-installer, and it makes (some)
sense if the static library also has to be usable (it would version the symbols
in there as well).
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