X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/misc/blobdiff_plain/0f581568f662310ff4a32e3d43016fff268d10bd..300a556d392d9bd6ac5b98c1b4b2d0a052459053:/configure.ac

diff --git a/configure.ac b/configure.ac
index bf1b725..4724381 100644
--- a/configure.ac
+++ b/configure.ac
@@ -49,6 +49,8 @@ dnl C programming environment.
 ## Compiler.
 AC_PROG_CC
 AX_CFLAGS_WARN_ALL
+AC_PROG_CXX
+AX_CXXFLAGS_WARN_ALL
 
 ## Libraries.
 OLIBS=$LIBS