The GNU ld linker requires the user to specify libraries after any object
files which use them. For example:
$ cat main.c
void sub();
main() {
sub();
}
$ gcc -c sub.c
$ ar rv libsub.a sub.o
ar: creating libsub.a
a - sub.o
$ gcc -L . -lsub main.c ### FAILS !!!
/tmp/cccN9Qxp.o: In function `main':
main.c:(.text+0xa): undefined reference to `sub'
collect2: ld returned 1 exit status
$ gcc main.c -L . -lsub ### WORKS !!!
$
The linking order requirement is not needed by AIX, so this has been an issue
for users migrating from an AIX system to Linux. This enhancement bug is being
submitted for the benefit of these users.
---------------------
I am aware of the following workaround:
$ gcc -Wl,--start -lsub -L. main.c -Wl,--end
$
--
Summary: A "relaxed" link order of libraries is requested for
improved compatibilty
Product: binutils
Version: 2.16
Status: NEW
Severity: enhancement
Priority: P2
Component: ld
AssignedTo: unassigned at sources dot redhat dot com
ReportedBy: geir at cray dot com
CC: bug-binutils at gnu dot org
http://sourceware.org/bugzilla/show_bug.cgi?id=11006
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