https://sourceware.org/bugzilla/show_bug.cgi?id=17910
Bug ID: 17910
Summary: Can't link with .lib (for dll) created by Visual
Studio 2013 any more
Product: binutils
Version: 2.25
Status: NEW
Severity: normal
Priority: P2
Component: ld
Assignee: unassigned at sourceware dot org
Reporter: ssbssa at yahoo dot de
Target: i686-w64-mingw32
Created attachment 8092
--> https://sourceware.org/bugzilla/attachment.cgi?id=8092&action=edit
.lib created by Visual Studio 2013
In 2.24 it was still possible to link with .lib files created by VS2013.
Now I get this message:
$ gcc -olib-user lib-user.c vc-dll-lib.lib
vc-dll-lib.lib: error adding symbols: File format not recognized
collect2.exe: error: ld returned 1 exit status
The vc-dll-lib.lib (32bit) is attached, and was created from this source:
#include <stdio.h>
__declspec(dllexport) int trythis(void)
{
printf("output\n");
return(1);
}
lib-user.c looks like this:
__declspec(dllimport) int trythis(void);
int main( void )
{
return( trythis() );
}
I've found out this was introduced by this commit:
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=commit;h=5a3f568b70bdfb91aacdfb66657b56d8c6d242f1
And the problem goes away if I revert a part like this:
--- bfd/coffgen.c 2014-12-23 09:47:10.000000000 +0100
+++ bfd/coffgen.c 2015-01-12 20:00:38.642229000 +0100
@@ -463,8 +463,6 @@
if (strings == NULL)
return NULL;
}
- if (sym->_n._n_n._n_offset >= obj_coff_strings_len (abfd))
- return NULL;
return strings + sym->_n._n_n._n_offset;
}
}
obj_coff_strings_len(abfd) is 0 in this example.
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