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--- a/src/configure.ac
+++ b/src/configure.ac
@@ -2,6 +2,11 @@
 AC_CONFIG_HEADERS([common/autoconfig.h])
 AC_PREREQ(2.53)
 AC_CONFIG_SRCDIR(index/recollindex.cpp)
+
+AC_PROG_CXX
+if test C$CXX = C ; then
+   AC_MSG_ERROR([C++ compiler needed. Please install one (ie: gnu g++)])
+fi
 
 sys=`uname | tr / _`