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Merge 94a9cd25fd into merged_master (Bitcoin PR #20594)

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Andrew Poelstra 2021-06-14 04:24:19 +00:00
commit 6e36b6aa40
1 changed files with 4 additions and 2 deletions
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6
configure.ac
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@ -1126,18 +1126,20 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
]], [[
getauxval(AT_HWCAP);
]])],
[ AC_MSG_RESULT(yes); HAVE_STRONG_GETAUXVAL=1 ],
[ AC_MSG_RESULT(yes); HAVE_STRONG_GETAUXVAL=1; AC_DEFINE(HAVE_STRONG_GETAUXVAL, 1, [Define this symbol to build code that uses getauxval)]) ],
[ AC_MSG_RESULT(no); HAVE_STRONG_GETAUXVAL=0 ]
)
AC_MSG_CHECKING(for weak getauxval support in the compiler)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#ifdef __linux__
unsigned long getauxval(unsigned long type) __attribute__((weak));
#define AT_HWCAP 16
#endif
]], [[
getauxval(AT_HWCAP);
]])],
[ AC_MSG_RESULT(yes); HAVE_WEAK_GETAUXVAL=1 ],
[ AC_MSG_RESULT(yes); HAVE_WEAK_GETAUXVAL=1; AC_DEFINE(HAVE_WEAK_GETAUXVAL, 1, [Define this symbol to build code that uses getauxval (weak linking)]) ],
[ AC_MSG_RESULT(no); HAVE_WEAK_GETAUXVAL=0 ]
)