port: only enable userspace callstack context on Linux

Change-Id: I55402a7058f7d0bbe11d4c59197197130fe88665
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>

diff --git a/configure.ac b/configure.ac
index fa58cbb16e385b3b455ffd4bd9a106ae153ff847..66dd016931aeabb5aefdddc7ecf5983d03fff0de 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -992,18 +992,26 @@ AS_CASE([$host_cpu],
 
 AC_SUBST(ARCHTYPE)
 
+AS_CASE([$host_os],
+       [linux*], [OSTYPE="linux"],
+       [freebsd*], [OSTYPE="freebsd"],
+       [solaris*], [OSTYPE="solaris"],
+       [cygwin*], [OSTYPE="cygwin"],
+       [mingw*], [OSTYPE="mingw"],
+       [OSTYPE="unknown"]
+)
+AC_SUBST(OSTYPE)
+AM_CONDITIONAL([IS_LINUX], [test $OSTYPE = "linux"])
+
+
+
+# Userspace callstack capture is only supported by the Linux kernel on x86.
 AH_TEMPLATE([HAVE_MODULES_USERSPACE_CALLSTACK_CONTEXT], [Define if you have LTTng-modules userspace callstack tracing support])
-AC_MSG_CHECKING([for architecture support of userspace callstack tracing from the kernel])
-AS_IF([test "x$ARCHTYPE" = "xx86"],[
-        # Userspace callstack capture is only supported by the Linux kernel on x86.
-        AC_MSG_RESULT([yes])
+AS_IF([test "x$ARCHTYPE" = "xx86" && test "x$OSTYPE" = "xlinux"],[
         have_modules_userspace_callstack_context=yes
         AC_DEFINE([HAVE_MODULES_USERSPACE_CALLSTACK_CONTEXT], [1])
-], [
-        AC_MSG_RESULT([no])
-        have_modules_userspace_callstack_context=no
 ])
-AM_CONDITIONAL([HAVE_MODULES_USERSPACE_CALLSTACK_CONTEXT], [test x$have_modules_userspace_callstack_context != xno])
+AM_CONDITIONAL([HAVE_MODULES_USERSPACE_CALLSTACK_CONTEXT], [test x$have_modules_userspace_callstack_context = xyes])
 
 # Export binaries build conditions.
 AM_CONDITIONAL([BUILD_BIN_LTTNG], [test x$enable_bin_lttng != xno])