50 lines
2.1 KiB
Diff
50 lines
2.1 KiB
Diff
When checking for the location of the sigcontext struct it is not taken into
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account that a different libc than glibc could be used. It falls back to libc5
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which leads to a sigcontext redefinition error when using the musl libc. The
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patch simply removes the misleading checks since we're way beyond those
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versions anyway.
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--- libguile/gc_os_dep.c.orig 2010-12-13 18:25:01.000000000 +0100
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+++ libguile/gc_os_dep.c 2017-09-17 23:01:55.494204333 +0200
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@@ -1445,40 +1445,6 @@
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/* include assembly code to do it well. */
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# endif
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-# if defined(LINUX) && !defined(POWERPC)
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-
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-# if 0
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-# include <linux/version.h>
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-# if (LINUX_VERSION_CODE <= 0x10400)
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- /* Ugly hack to get struct sigcontext_struct definition. Required */
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- /* for some early 1.3.X releases. Will hopefully go away soon. */
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- /* in some later Linux releases, asm/sigcontext.h may have to */
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- /* be included instead. */
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-# define __KERNEL__
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-# include <asm/signal.h>
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-# undef __KERNEL__
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-# endif
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-
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-# else
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-
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- /* Kernels prior to 2.1.1 defined struct sigcontext_struct instead of */
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- /* struct sigcontext. libc6 (glibc2) uses "struct sigcontext" in */
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- /* prototypes, so we have to include the top-level sigcontext.h to */
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- /* make sure the former gets defined to be the latter if appropriate. */
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-# include <features.h>
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-# if 2 <= __GLIBC__
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-# if 2 == __GLIBC__ && 0 == __GLIBC_MINOR__
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- /* glibc 2.1 no longer has sigcontext.h. But signal.h */
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- /* has the right declaration for glibc 2.1. */
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-# include <sigcontext.h>
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-# endif /* 0 == __GLIBC_MINOR__ */
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-# else /* not 2 <= __GLIBC__ */
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- /* libc5 doesn't have <sigcontext.h>: go directly with the kernel */
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- /* one. Check LINUX_VERSION_CODE to see which we should reference. */
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-# include <asm/sigcontext.h>
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-# endif /* 2 <= __GLIBC__ */
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-# endif
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-# endif
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# if !defined(OS2) && !defined(PCR) && !defined(AMIGA) && !defined(MACOS)
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# include <sys/types.h>
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# if !defined(MSWIN32) && !defined(SUNOS4)
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