Merge branch 'wip/libusb-1.0' of http://gnuradio.org/git/jcorgan into master

[debian/gnuradio] / config / gr_python.m4

diff --git a/config/gr_python.m4 b/config/gr_python.m4
index 6c862bba397b2516ef92f92c5f8a403ab8a7d2c7..7479f0533dc921853d8e5bf6057344d007bdc855 100644 (file)
--- a/config/gr_python.m4
+++ b/config/gr_python.m4
@@ -126,3 +126,41 @@ print path
            AC_SUBST(PYTHON_LDFLAGS)
        fi
 ])
+
+# PYTHON_CHECK_MODULE
+#
+# Determines if a particular Python module can be imported
+#
+# $1 - module name
+# $2 - module description
+# $3 - action if found
+# $4 - action if not found
+# $5 - test command
+
+AC_DEFUN([PYTHON_CHECK_MODULE],[
+    AC_MSG_CHECKING([for $2])
+    dnl ########################################
+    dnl # import and test checking
+    dnl ########################################
+    if test "$5"; then
+        python_cmd='
+try:
+    import $1
+    assert $5
+except: exit(1)'
+    dnl ########################################
+    dnl # import checking only
+    dnl ########################################
+    else
+        python_cmd='
+try: import $1
+except: exit(1)'
+    fi
+    if ! $PYTHON -c "$python_cmd" 2> /dev/null; then
+        AC_MSG_RESULT([no])
+        $4
+    else
+        AC_MSG_RESULT([yes])
+        $3
+    fi
+])