cc66a24a4e
BIND now requires POSIX thread and IPv6 support to build Add filter-AAAA plugin Remove unrecognized options Remove patch that no longer needed - 002-autoconf-ar-fix.patch Signed-off-by: Deng Qingfang <dengqf6@mail2.sysu.edu.cn>
36 lines
1.2 KiB
Diff
36 lines
1.2 KiB
Diff
--- a/config.h.in
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+++ b/config.h.in
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@@ -45,6 +45,9 @@
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/* Define to 1 if you have the `arc4random_uniform' function. */
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#undef HAVE_ARC4RANDOM_UNIFORM
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+/* Define if the ARM yield instruction is available */
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+#undef HAVE_ARM_YIELD
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+
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/* Define to 1 if the compiler supports __builtin_clz. */
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#undef HAVE_BUILTIN_CLZ
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--- a/configure.ac
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+++ b/configure.ac
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@@ -421,8 +421,8 @@ AS_CASE([$host],
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[[]],
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[[__asm__ __volatile__ ("yield")]]
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)],
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- [AC_MSG_RESULT([yes])],
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- [AC_MSG_ERROR([no, try adding -march=native or -march=armv7-a to CFLAGS (see PLATFORMS.md for more information)])])])
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+ [AC_MSG_RESULT([yes]) AC_DEFINE([HAVE_ARM_YIELD],[1],[Define if the ARM yield instruction is available])],
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+ [AC_MSG_RESULT([no])])])
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AC_CHECK_FUNCS([sysctlbyname])
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--- a/lib/isc/rwlock.c
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+++ b/lib/isc/rwlock.c
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@@ -54,7 +54,7 @@
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# define isc_rwlock_pause() __asm__ __volatile__ ("rep; nop")
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#elif defined(__ia64__)
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# define isc_rwlock_pause() __asm__ __volatile__ ("hint @pause")
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-#elif defined(__arm__)
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+#elif defined(__arm__) && HAVE_ARM_YIELD
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# define isc_rwlock_pause() __asm__ __volatile__ ("yield")
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#elif defined(sun) && (defined(__sparc) || defined(__sparc__))
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# define isc_rwlock_pause() smt_pause()
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