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| author | Pieter Wuille <pieter.wuille@gmail.com> | 2019-10-28 10:42:25 -0700 |
|---|---|---|
| committer | Pieter Wuille <pieter.wuille@gmail.com> | 2019-11-12 15:35:22 -0800 |
| commit | a81c494b4c9a8c2f1a319a03375826f12863706f (patch) | |
| tree | 89c230f261ae7c7ab3125d53b61ae69d945e77e3 /configure.ac | |
| parent | 2554c1b81bb8c40e1989025c6f18e7935720b156 (diff) | |
| download | bitcoin-a81c494b4c9a8c2f1a319a03375826f12863706f.tar.xz | |
Use sysctl for seeding on MacOS/BSD
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 8bde6d9bc4..e1db71a7bf 100644 --- a/configure.ac +++ b/configure.ac @@ -788,7 +788,7 @@ if test x$TARGET_OS = xdarwin; then AX_CHECK_LINK_FLAG([[-Wl,-dead_strip]], [LDFLAGS="$LDFLAGS -Wl,-dead_strip"]) fi -AC_CHECK_HEADERS([endian.h sys/endian.h byteswap.h stdio.h stdlib.h unistd.h strings.h sys/types.h sys/stat.h sys/select.h sys/prctl.h]) +AC_CHECK_HEADERS([endian.h sys/endian.h byteswap.h stdio.h stdlib.h unistd.h strings.h sys/types.h sys/stat.h sys/select.h sys/prctl.h sys/sysctl.h vm/vm_param.h sys/vmmeter.h sys/resources.h]) # FD_ZERO may be dependent on a declaration of memcpy, e.g. in SmartOS # check that it fails to build without memcpy, then that it builds with @@ -948,6 +948,18 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h> [ AC_MSG_RESULT(no)] ) +AC_MSG_CHECKING(for sysctl) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h> + #include <sys/sysctl.h>]], + [[ static const int name[2] = {CTL_KERN, KERN_VERSION}; + #ifdef __linux__ + #error "Don't use sysctl on Linux, it's deprecated even when it works" + #endif + sysctl(name, 2, nullptr, nullptr, nullptr, 0); ]])], + [ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_SYSCTL, 1,[Define this symbol if the BSD sysctl() is available]) ], + [ AC_MSG_RESULT(no)] +) + AC_MSG_CHECKING(for sysctl KERN_ARND) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h> #include <sys/sysctl.h>]], |