diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac index fb91f34246..6647523e0b 100644 --- a/configure.ac +++ b/configure.ac @@ -394,14 +394,12 @@ AC_CHECK_FUNCS( accept4 \ backtrace \ backtrace_symbols_fd \ - clock_gettime \ eventfd \ explicit_bzero \ timingsafe_memcmp \ flock \ ftime \ getaddrinfo \ - getentropy \ getifaddrs \ getpass \ getrlimit \ @@ -438,6 +436,34 @@ AC_CHECK_FUNCS( _vscprintf ) +# Apple messed up when they added two functions functions in Sierra: they +# forgot to decorate them with appropriate AVAILABLE_MAC_OS_VERSION +# checks. So we should only probe for those functions if we are sure that we +# are not targetting OSX 10.11 or earlier. +AC_MSG_CHECKING([for a pre-Sierra OSX build target]) +AC_TRY_COMPILE([ +#ifdef __APPLE__ +# include <AvailabilityMacros.h> +# ifndef MAC_OS_VERSION_10_12 +# define MAC_OS_VERSION_10_12 101200 +# endif +# if defined(MAC_OS_X_VERSION_MIN_REQUIRED) +# if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_VERSION_10_12 +# error "Running on Mac OSX 10.11 or earlier" +# endif +# endif +#endif +], [], + [on_macos_pre_10_12=no ; AC_MSG_RESULT([no])], + [on_macos_pre_10_12=yes; AC_MSG_RESULT([yes])]) + +if test "$on_macos_pre_10_12" = "no"; then + AC_CHECK_FUNCS( + clock_gettime \ + getentropy \ + ) +fi + if test "$bwin32" != "true"; then AC_CHECK_HEADERS(pthread.h) AC_CHECK_FUNCS(pthread_create) |