scpi/usbtmc: Minor debug output changes.

[libsigrok.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index a60450cd1cc2c599d4e6389364bdd3ff3534f1da..798128efe6ae176551136a882ebe27d1de5635c7 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -386,6 +386,19 @@ PKG_CHECK_MODULES([glibmm], [glibmm-2.4 >= 2.32.0],
        CXXLIBS="$CXXLIBS $glibmm_LIBS"],
        [BINDINGS_CXX="no"; cxx_msg="glibmm required"])
 
+# C++ bindings want stoi and stod
+if test "x$BINDINGS_CXX" == "xyes"; then
+       AC_LANG_PUSH([C++])
+       AC_MSG_CHECKING([for stoi and stod])
+       AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <string>],
+                                          [{ return std::stoi("1")+std::stod("1.0"); }])],
+              [AC_MSG_RESULT([yes]);
+               AC_DEFINE_UNQUOTED(HAVE_STOI_STOD, [1],
+               [Specifies whether we have the stoi and stod functions.])],
+              [AC_MSG_RESULT([no])])
+       AC_LANG_POP([C++])
+fi
+
 # PyGObject is needed for the Python bindings.
 PKG_CHECK_MODULES([pygobject], [pygobject-3.0 >= 3.0.0],
         [CXXFLAGS="$CXXFLAGS $pygobject_CFLAGS";