1 files changed, 56 insertions, 0 deletions
diff --git a/src/external/platform.m4 b/src/external/platform.m4
new file mode 100644
index 0000000..7585362
--- /dev/null
+++ b/src/external/platform.m4
@@ -0,0 +1,56 @@
+AC_ARG_WITH([os],
+            [AC_HELP_STRING([--with-os=OS_TYPE], [Type of your operation system (fedora|redhat|suse|gentoo)])]
+           )
+osname=""
+if test x"$with_os" != x ; then
+    if test x"$with_os" = xfedora || \
+       test x"$with_os" = xredhat || \
+       test x"$with_os" = xsuse || \
+       test x"$with_os" = xgentoo || \
+       test x"$with_os" = xdebian ; then
+        osname=$with_os
+    else
+        AC_MSG_ERROR([Illegal value -$with_os- for option --with-os])
+    fi
+fi
+
+if test x"$osname" = x ; then
+    if test -f /etc/fedora-release ; then
+        osname="fedora"
+    elif test -f /etc/redhat-release ; then
+        osname="redhat"
+    elif test -f /etc/SuSE-release ; then
+        osname="suse"
+    elif test -f /etc/debian_version ; then
+        osname="debian"
+    elif test -f /etc/gentoo-release ; then
+        osname="gentoo"
+    fi
+
+    AC_MSG_NOTICE([Detected operating system type: $osname])
+fi
+
+AM_CONDITIONAL([HAVE_FEDORA], [test x"$osname" = xfedora])
+AM_CONDITIONAL([HAVE_REDHAT], [test x"$osname" = xredhat])
+AM_CONDITIONAL([HAVE_SUSE], [test x"$osname" = xsuse])
+AM_CONDITIONAL([HAVE_DEBIAN], [test x"$osname" = xdebian])
+AM_CONDITIONAL([HAVE_GENTOO], [test x"$osname" = xgentoo])
+
+AS_CASE([$osname],
+        [redhat], [AC_DEFINE_UNQUOTED([HAVE_REDHAT], 1, [Build with redhat config])],
+        [fedora], [AC_DEFINE_UNQUOTED([HAVE_FEDORA], 1, [Build with fedora config])],
+        [suse], [AC_DEFINE_UNQUOTED([HAVE_SUSE], 1, [Build with suse config])],
+        [gentoo], [AC_DEFINE_UNQUOTED([HAVE_GENTOO], 1, [Build with gentoo config])],
+        [debian], [AC_DEFINE_UNQUOTED([HAVE_DEBIAN], 1, [Build with debian config])],
+        [AC_MSG_NOTICE([Build with $osname config])])
+
+AC_CHECK_MEMBERS([struct ucred.pid, struct ucred.uid, struct ucred.gid], , ,
+                 [[#include <sys/socket.h>]])
+
+if test x"$ac_cv_member_struct_ucred_pid" = xyes -a \
+        x"$ac_cv_member_struct_ucred_uid" = xyes -a \
+        x"$ac_cv_member_struct_ucred_gid" = xyes ; then
+    AC_DEFINE([HAVE_UCRED], [1], [Define if struct ucred is available])
+else
+    AC_MSG_WARN([struct ucred is not available])
+fi