Our FORTIFY_SOURCE check assumes that $cxx refers to a working C++ compiler, with the result that if you don't happen to have one then configure will spuriously print configure: line 4685: c++: command not found
Fix this by adding a 'has $cxx' check. Signed-off-by: Peter Maydell <peter.mayd...@linaro.org> --- configure | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/configure b/configure index c571ad1..a435908 100755 --- a/configure +++ b/configure @@ -4681,7 +4681,7 @@ fi if test "$fortify_source" != "no"; then if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then fortify_source="no"; - elif test -n "$cxx" && + elif test -n "$cxx" && has $cxx && echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then fortify_source="no"; else -- 2.7.4