diff options
Diffstat (limited to 'erts/configure.in')
| -rw-r--r-- | erts/configure.in | 63 |
1 files changed, 61 insertions, 2 deletions
diff --git a/erts/configure.in b/erts/configure.in index e576bd7755..8d70a1b74a 100644 --- a/erts/configure.in +++ b/erts/configure.in @@ -1882,9 +1882,10 @@ AC_CHECK_FUNCS([ieee_handler fpsetmask finite isnan isinf res_gethostbyname dlop pread pwrite writev memmove strerror strerror_r strncasecmp \ gethrtime localtime_r gmtime_r inet_pton mmap mremap memcpy mallopt \ sbrk _sbrk __sbrk brk _brk __brk \ - flockfile fstat strlcpy strlcat setsid posix2time setlocale nl_langinfo poll]) + flockfile fstat strlcpy strlcat setsid posix2time time2posix \ + setlocale nl_langinfo poll]) -AC_CHECK_DECLS([posix2time],,,[#include <time.h>]) +AC_CHECK_DECLS([posix2time, time2posix],,,[#include <time.h>]) disable_vfork=false if test "x$EMU_THR_LIB_NAME" != "x"; then @@ -1944,6 +1945,64 @@ AC_CHECK_FUNCS([openpty]) AC_CHECK_HEADERS(net/if_dl.h ifaddrs.h netpacket/packet.h) AC_CHECK_FUNCS([getifaddrs]) +dnl Checks for variables in6addr_any and in6addr_loopback, +dnl +dnl They normally declared by netinet/in.h, according to POSIX, +dnl but not on Windows 7 (Windows SDK 7.1). I would have liked +dnl to just write AC_CHECK_DECL([in6addr_any], ...) but if doing so, +dnl the configure check fails erroneously on Linux with the error +dnl "cannot convert to a pointer type", on a line looking like +dnl "char *p = (char *) in6addr_any;", so work around that +dnl with some more code. +AC_CACHE_CHECK( + [whether in6addr_any is declared], + [erts_cv_have_in6addr_any], + [AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[ + #include <sys/types.h> + #include <sys/socket.h> + #include <netinet/in.h> + ]], + [[printf("%d", in6addr_any.s6_addr[16]);]] + )], + [erts_cv_have_in6addr_any=yes], + [erts_cv_have_in6addr_any=no] + )] +) + +case "$erts_cv_have_in6addr_any" in + yes) + AC_DEFINE([HAVE_IN6ADDR_ANY], [1], + [Define to 1 if you have the variable in6addr_any declared.]) +esac + +AC_CACHE_CHECK( + [whether in6addr_loopback is declared], + [erts_cv_have_in6addr_loopback], + [AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[ + #include <sys/types.h> + #include <sys/socket.h> + #include <netinet/in.h> + ]], + [[printf("%d", in6addr_loopback.s6_addr[16]);]] + )], + [erts_cv_have_in6addr_loopback=yes], + [erts_cv_have_in6addr_loopback=no] + )] +) + +case "$erts_cv_have_in6addr_loopback" in + yes) + AC_DEFINE([HAVE_IN6ADDR_LOOPBACK], [1], + [Define to 1 if you have the variable in6addr_loopback declared.]) +esac + +AC_CHECK_DECLS([IN6ADDR_ANY_INIT, IN6ADDR_LOOPBACK_INIT], [], [], + [#include <netinet/in.h>]) + dnl ---------------------------------------------------------------------- dnl Checks for features/quirks in the system that affects Erlang. dnl ---------------------------------------------------------------------- |