[LLVMbugs] [Bug 4412] New: Cairo library is broken -- library cannot be linked against properly

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=4412

           Summary: Cairo library is broken -- library cannot be linked
                    against properly
           Product: clang
           Version: unspecified
          Platform: PC
        OS/Version: FreeBSD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: LLVM Codegen
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: ed at 80386.nl
                CC: llvmbugs at cs.uiuc.edu
            Blocks: 3696


I still have to figure this out in more detail. nm(1) shows no difference, but
it's still fishy.

Anyway, here it goes: some Pango libs/apps won't link against cairo properly if
cairo is compiled with Clang. Cairo uses the following code to export its
functions. It looks quite complicated if you ask me.

void 
cairo_rel_line_to(void)
{

        puts("Hi");
}
extern __typeof (cairo_rel_line_to) cairo_rel_line_to __asm__ ("_"
"INT_cairo_rel_line_to") __attribute__((__visibility__("hidden")));
extern __typeof (cairo_rel_line_to) EXT_cairo_rel_line_to __asm__("_"
"cairo_rel_line_to") __attribute__((__alias__("_" "INT_cairo_rel_line_to")));


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