diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/configure.ac b/configure.ac index 668234d..180a421 100644 --- a/configure.ac +++ b/configure.ac @@ -5111,11 +5111,11 @@ AC_LINK_IFELSE( #include <sys/syscall.h> int main() { - const int flags = 0; char buffer[1]; - int n; + const size_t buflen = sizeof(buffer); + const int flags = 0; /* ignore the result, Python checks for ENOSYS at runtime */ - (void)syscall(SYS_getrandom, buffer, sizeof(buffer), flags); + (void)syscall(SYS_getrandom, buffer, buflen, flags); return 0; } ]]) @@ -5127,6 +5127,31 @@ if test "$have_getrandom_syscall" = yes; then [Define to 1 if the Linux getrandom() syscall is available]) fi +# check if the getrandom() function is available +# the test was written for the Solaris function of <sys/random.h> +AC_MSG_CHECKING(for the getrandom() function) +AC_LINK_IFELSE( +[ + AC_LANG_SOURCE([[ + #include <sys/random.h> + + int main() { + char buffer[1]; + const size_t buflen = sizeof(buffer); + const int flags = 0; + /* ignore the result, Python checks for ENOSYS at runtime */ + (void)getrandom(buffer, buflen, flags); + return 0; + } + ]]) +],[have_getrandom=yes],[have_getrandom=no]) +AC_MSG_RESULT($have_getrandom) + +if test "$have_getrandom" = yes; then + AC_DEFINE(HAVE_GETRANDOM, 1, + [Define to 1 if the getrandom() function is available]) +fi + # generate output files AC_CONFIG_FILES(Makefile.pre Modules/Setup.config Misc/python.pc Misc/python-config.sh) AC_CONFIG_FILES([Modules/ld_so_aix], [chmod +x Modules/ld_so_aix]) |