9112bed608
* gnu/packages/julia.scm (libunwind)[origin]<patches>: Add patch. * gnu/packages/patches/libunwind-julia-fix-GCC10-fno-common.patch: New file. * gnu/local/mk (dist_patch_DATA): Register it. Signed-off-by: Efraim Flashner <efraim@flashner.co.il>
41 lines
1.2 KiB
Diff
41 lines
1.2 KiB
Diff
Fix compilation with -fno-common.
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Borrowed from upstream 29e17d8d2ccbca07c423e3089a6d5ae8a1c9cb6e.
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Author: Yichao Yu <yyc1992@gmail.com>
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AuthorDate: Tue Mar 31 00:43:32 2020 -0400
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Commit: Dave Watson <dade.watson@gmail.com>
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CommitDate: Tue Mar 31 08:06:29 2020 -0700
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diff --git a/src/x86/Ginit.c b/src/x86/Ginit.c
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index f6b8dc2..9550efa 100644
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--- a/src/x86/Ginit.c
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+++ b/src/x86/Ginit.c
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@@ -54,13 +54,6 @@ tdep_uc_addr (ucontext_t *uc, int reg)
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# endif /* UNW_LOCAL_ONLY */
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-HIDDEN unw_dyn_info_list_t _U_dyn_info_list;
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-
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-/* XXX fix me: there is currently no way to locate the dyn-info list
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- by a remote unwinder. On ia64, this is done via a special
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- unwind-table entry. Perhaps something similar can be done with
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- DWARF2 unwind info. */
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-
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static void
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put_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg)
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{
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@@ -71,7 +64,12 @@ static int
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get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr,
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void *arg)
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{
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- *dyn_info_list_addr = (unw_word_t) &_U_dyn_info_list;
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+#ifndef UNW_LOCAL_ONLY
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+# pragma weak _U_dyn_info_list_addr
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+ if (!_U_dyn_info_list_addr)
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+ return -UNW_ENOINFO;
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+#endif
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+ *dyn_info_list_addr = _U_dyn_info_list_addr ();
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return 0;
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}
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