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-rw-r--r--macros/prog-cxx.m432
1 files changed, 32 insertions, 0 deletions
diff --git a/macros/prog-cxx.m4 b/macros/prog-cxx.m4
new file mode 100644
index 0000000000..72d3a20957
--- /dev/null
+++ b/macros/prog-cxx.m4
@@ -0,0 +1,32 @@
+dnl
+dnl $Id$
+dnl
+dnl Check for target g++
+dnl
+
+AC_DEFUN(RTEMS_PROG_CXX,
+[
+AC_BEFORE([$0], [AC_PROG_CXXCPP])dnl
+AC_BEFORE([$0], [RTEMS_CANONICALIZE_TOOLS])dnl
+AC_REQUIRE([RTEMS_TOOL_PREFIX])dnl
+AC_REQUIRE([RTEMS_ENABLE_LIBCDIR])dnl
+
+dnl Only accept g++
+dnl NOTE: This might be too restrictive
+AC_CHECK_TOOL(CXX,g++)
+AC_PROG_CXX
+test -z "$CXX" \
+ && AC_MSG_ERROR([no acceptable c++ found in \$PATH])
+])
+
+AC_DEFUN(RTEMS_PROG_CXX_FOR_TARGET,
+[
+ RTEMS_PROG_CXX
+ if test "$ac_cv_prog_cc_cross" != "$ac_cv_prog_cxx_cross"; then
+ AC_MSG_ERROR([***]
+ [Inconsistency in compiler configuration:]
+ [Target C compiler and target C++ compiler]
+ [must both either be cross compilers or native compilers]
+ [Hint: If building a posix bsp: LD_LIBRARY_PATH?] )
+ fi
+])