http://llvm.org/bugs/show_bug.cgi?id=10993
Summary: llvm-ld -native fails with .a archive produced by
llvm-ar
Product: tools
Version: 2.9
Platform: Macintosh
OS/Version: MacOS X
Status: NEW
Severity: normal
Priority: P
Component: llvm-ld
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Created an attachment (id=7332)
--> (http://llvm.org/bugs/attachment.cgi?id=7332)
test case; a directory with 3 C++ files and a makefile.
I've attached a small example with makefile that reproduces the problem. I'm
doing this on 10.7 with the latest XCode installed, and llvm-2.9 installed in
/usr/local.
Two C++ files are compiled with clang++ -O4, a lib.a archive created of them
using llvm-ar, and llvm-ld used to link them. I'm hoping to get LTO from this
model of compilation archiving and linking, and perhaps to specialize llvm-ld
for some particular linking work. Unfortunately when -native is given to
llvm-ld it seems to misread the archive file (?)
llvm-ld without -native completes without reporting an error, although I
haven't tried executing the result (I need native code).
the example works fine if I use libtool for the archiving and clang++ for the
final link step. I've included commented-out lines in the Makefile to test
this case.
Best regards,
-Luddy
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