--- configure.ac | 23 +++++++++++++++++------ 1 file changed, 17 insertions(+), 6 deletions(-) diff --git a/configure.ac b/configure.ac index 4ca956b7..75e90629 100644 --- a/configure.ac +++ b/configure.ac @@ -242,12 +242,23 @@ esac AC_CHECK_HEADER(syslog.h, [AC_DEFINE(HAVE_SYSLOG)]) AC_CHECK_HEADER(alloca.h, [AC_DEFINE(HAVE_ALLOCA_H)]) AC_MSG_CHECKING(whether 'struct sockaddr' has sa_len) -AC_TRY_COMPILE([#include <sys/types.h> - #include <sys/socket.h> - ], [static struct sockaddr sa; int i = sizeof(sa.sa_len);], - [AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_SIN_LEN,,sin_len)], - AC_MSG_RESULT(no)) +AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM( + [[ + #include <sys/types.h> + #include <sys/socket.h> + ]], + [[ + static struct sockaddr sa; + int i = sizeof(sa.sa_len); + ]] + )], + [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_SIN_LEN,,sin_len) + ], + [AC_MSG_RESULT(no)] +) AC_C_BIGENDIAN([AC_DEFINE(CPU_BIG_ENDIAN)], [AC_DEFINE(CPU_LITTLE_ENDIAN)], [AC_MSG_ERROR([Cannot determine CPU endianity.])]) -- 2.12.0