+
+ dnl *****************************
+ dnl *** Checks for libnsl ***
+ dnl *****************************
+ AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl")
+
+ AC_CHECK_FUNCS(inet_pton inet_aton)
+
+ dnl ***********************************************
+ dnl *** Checks for size of sockaddr_un.sun_path ***
+ dnl ***********************************************
+ # AC_CHECK_SIZEOF can't cope with struct members :-(
+ AC_MSG_CHECKING(size of sockaddr_un.sun_path)
+ AC_CACHE_VAL(cv_mono_sizeof_sunpath,
+ [AC_TRY_RUN([
+ #include <sys/types.h>
+ #include <stdio.h>
+ #include <sys/un.h>
+
+ int main(void) {
+ struct sockaddr_un sock_un;
+ FILE *f=fopen("conftestval", "w");
+ if(!f) exit(1);
+ fprintf(f, "%d\n", sizeof(sock_un.sun_path));
+ exit(0);
+ }
+ ], cv_mono_sizeof_sunpath=`cat conftestval`,
+ cv_mono_sizeof_sunpath=0,
+ cv_mono_sizeof_sunpath=0)])dnl
+ AC_MSG_RESULT($cv_mono_sizeof_sunpath)
+ AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $cv_mono_sizeof_sunpath)
+
+ dnl *****************************
+ dnl *** Checks for libpthread ***
+ dnl *****************************
+ AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
+ AC_CHECK_FUNCS(pthread_mutex_timedlock)
+ AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
+ AC_TRY_COMPILE([ #include <pthread.h>], [
+ pthread_mutexattr_t attr;
+ pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
+ ], [
+ AC_MSG_RESULT(ok)
+ ], [
+ AC_MSG_RESULT(no)
+ AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
+ AC_DEFINE(USE_MONO_MUTEX)
+ ])
+
+ dnl ********************************
+ dnl *** Checks for semaphore lib ***
+ dnl ********************************
+ AC_CHECK_LIB(rt, sem_init, LIBS="$LIBS -lrt")
+
+ dnl ********************************
+ dnl *** Checks for timezone stuff **
+ dnl ********************************
+ AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
+ AC_TRY_COMPILE([
+ #include <time.h>
+ ], [
+ timezone = 1;
+ ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
+ if test $ac_cv_var_timezone = yes; then
+ AC_DEFINE(HAVE_TIMEZONE)
+ else
+ AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
+ AC_TRY_COMPILE([
+ #include <time.h>
+ ], [
+ struct tm tm;
+ tm.tm_gmtoff = 1;
+ ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
+ if test $ac_cv_struct_tm_gmtoff = yes; then
+ AC_DEFINE(HAVE_TM_GMTOFF)
+ else
+ AC_ERROR(unable to find a way to determine timezone)
+ fi
+ fi
+else
+ AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))