Add compilation support for Tile architectures

[lttng-ust.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index a67e8f97b8eea9404281aad545b35bffecbb24c1..ba529f38f6d5d9e8ad4deb9d9dec81dfaae8c97d 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -77,6 +77,18 @@ AC_PROG_CXX
 AC_PROG_MAKE_SET
 LT_INIT
 
+# rw_PROG_CXX_WORKS
+# Check whether the C++ compiler works.
+AC_CACHE_CHECK([whether the C++ compiler works],
+               [rw_cv_prog_cxx_works],
+               [AC_LANG_PUSH([C++])
+               AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
+                               [rw_cv_prog_cxx_works=yes],
+                               [rw_cv_prog_cxx_works=no])
+               AC_LANG_POP([C++])])
+
+AM_CONDITIONAL([CXX_WORKS], [test "x$rw_cv_prog_cxx_works" = "xyes"])
+
 ## Checks for libraries.
 AC_CHECK_LIB([dl], [dlopen],
 [
@@ -189,7 +201,8 @@ changequote([,])dnl
        s390) NO_UNALIGNED_ACCESS=1 ;;
        s390x) NO_UNALIGNED_ACCESS=1 ;;
         arm*) NO_UNALIGNED_ACCESS=1 ;;
-       mips*) NO_UNALIGNED_ACCESS=1;;
+       mips*) NO_UNALIGNED_ACCESS=1 ;;
+       tile*) NO_UNALIGNED_ACCESS=1 ;;
        *) AC_MSG_ERROR([unable to detect alignment requirements (unsupported architecture ($host_cpu)?)]) ;;
 esac