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Check for memset_s availability the hard way.

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This commit is contained in:
Frank Denis 2014-05-09 13:23:15 -07:00
parent bfeec26358
commit 90d270f7c5
1 changed files with 11 additions and 1 deletions
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12
configure.ac
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@ -345,6 +345,17 @@ AS_CASE([$host_cpu],
AC_DEFINE([CPU_ALIGNED_ACCESS_REQUIRED], [1], [data alignment is required])]
)
AC_MSG_CHECKING(for memset_s)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <string.h>
]], [[
char dummy[42];
(void) memset_s(dummy, (rsize_t) sizeof dummy, 0, (rsize_t) sizeof dummy);
]])],
[AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_MEMSET_S], [1], [memset_s is available])],
[AC_MSG_RESULT(no)])
dnl Checks for functions and headers
AC_CHECK_FUNC(clock_gettime, , [AC_CHECK_LIB(rt, clock_gettime)])
@ -352,7 +363,6 @@ AC_CHECK_FUNC(fegetenv, , [AC_CHECK_LIB(m, fegetenv)])
AS_IF([test "x$EMSCRIPTEN" = "x"],[
AC_CHECK_FUNCS([arc4random arc4random_buf])
AC_CHECK_FUNCS([memset_s])
])
AC_CHECK_FUNCS([mlock VirtualLock])
AC_CHECK_FUNCS([SecureZeroMemory explicit_bzero posix_memalign])