Status: New
Owner: ----
Labels: Type-Defect Priority-Medium
New issue 328 by [email protected]: Error linking when building a
program that calls calloc with clang-cl's address-sanitizer and -MTd
http://code.google.com/p/address-sanitizer/issues/detail?id=328
$ cat foo.cpp
#include <stdlib.h>
int f() {
calloc(1, 1);
return 1;
}
$ clang-cl -fsanitize=address -c foo.cpp -MTd
$ clang-cl -fsanitize=address foo.obj -LD
libcmtd.lib(dbgheap.obj) : error LNK2005: __calloc_dbg already defined in
clang_rt.asan_dll_thunk-i386.lib(asan_dll_thunk.obj)
libcmtd.lib(dbgheap.obj) : error LNK2005: __expand already defined in
clang_rt.asan_dll_thunk-i386.lib(asan_dll_thunk.obj)
libcmtd.lib(dbgheap.obj) : error LNK2005: __expand_dbg already defined in
clang_rt.asan_dll_thunk-i386.lib(asan_dll_thunk.obj)
libcmtd.lib(dbgheap.obj) : error LNK2005: __free_dbg already defined in
clang_rt.asan_dll_thunk-i386.lib(asan_dll_thunk.obj)
libcmtd.lib(dbgheap.obj) : error LNK2005: __malloc_dbg already defined in
clang_rt.asan_dll_thunk-i386.lib(asan_dll_thunk.obj)
libcmtd.lib(dbgheap.obj) : error LNK2005: __msize already defined in
clang_rt.asan_dll_thunk-i386.lib(asan_dll_thunk.obj)
libcmtd.lib(dbgheap.obj) : error LNK2005: __realloc_dbg already defined in
clang_rt.asan_dll_thunk-i386.lib(asan_dll_thunk.obj)
libcmtd.lib(dbgheap.obj) : error LNK2005: __recalloc already defined in
clang_rt.asan_dll_thunk-i386.lib(asan_dll_thunk.obj)
LINK : warning LNK4098: defaultlib 'LIBCMT' conflicts with use of other
libs; use /NODEFAULTLIB:library
foo.dll : fatal error LNK1169: one or more multiply defined symbols found
clang-cl.exe: error: linker command failed with exit code 1169 (use -v to
see invocation)
$ clang-cl -fsanitize=address foo.obj
libcmtd.lib(dbgheap.obj) : error LNK2005: __calloc_dbg already defined in
clang_rt.asan-i386.lib(asan_malloc_win.obj)
libcmtd.lib(dbgheap.obj) : error LNK2005: __expand already defined in
clang_rt.asan-i386.lib(asan_malloc_win.obj)
libcmtd.lib(dbgheap.obj) : error LNK2005: __expand_dbg already defined in
clang_rt.asan-i386.lib(asan_malloc_win.obj)
libcmtd.lib(dbgheap.obj) : error LNK2005: __free_dbg already defined in
clang_rt.asan-i386.lib(asan_malloc_win.obj)
libcmtd.lib(dbgheap.obj) : error LNK2005: __malloc_dbg already defined in
clang_rt.asan-i386.lib(asan_malloc_win.obj)
libcmtd.lib(dbgheap.obj) : error LNK2005: __msize already defined in
clang_rt.asan-i386.lib(asan_malloc_win.obj)
libcmtd.lib(dbgheap.obj) : error LNK2005: __realloc_dbg already defined in
clang_rt.asan-i386.lib(asan_malloc_win.obj)
libcmtd.lib(dbgheap.obj) : error LNK2005: __recalloc already defined in
clang_rt.asan-i386.lib(asan_malloc_win.obj)
Creating library foo.lib and object foo.exp
LINK : fatal error LNK1561: entry point must be defined
clang-cl.exe: error: linker command failed with exit code 1561 (use -v to
see invocation)
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