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-rw-r--r--configure.ac10
1 files changed, 10 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index fb6b196..b9185a6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -27,6 +27,16 @@ AC_SUBST(LIBXML2_VERSION)
# Checks for programs.
AC_PROG_CC
AC_PROG_CXX
+
+# AC_PROG_CXX will return "g++" even if no c++ compiler is installed
+AC_LANG_PUSH([C++])
+AC_MSG_CHECKING([whether $CXX is available and compiles a program])
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],
+ [AC_MSG_RESULT([yes])],
+ [AC_MSG_RESULT([no])
+ AC_MSG_ERROR([C++ compiler not available or unable to compile])])
+AC_LANG_POP
+
AM_PROG_CC_C_O
AC_PROG_LIBTOOL