diff --git a/configure.ac b/configure.ac
index a69c351..6459cf1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,7 +18,7 @@ AC_PROG_CXX
 AC_PROG_CPP
 AC_PROG_INSTALL
 AC_PROG_LN_S
-AC_PROG_LIBTOOL
+LT_INIT
 
 dnl Checks for typedefs, structures, and compiler characteristics.
 AC_LANG([C++])
diff --git a/src/Soros.py b/src/Soros.py
index ffe4cae..3f3888b 100644
--- a/src/Soros.py
+++ b/src/Soros.py
@@ -43,7 +43,7 @@ def __init__(self, prg, lang):
         # switch off all country-dependent lines, and switch on the requested ones
         prg = re.sub(r"(^|[\n;])([^\n;#]*#[^\n]*[\[]:[^\n:\]]*:][^\n]*)", r"\1#\2", prg)
         prg = re.sub(r"(^|[\n;])#([^\n;#]*#[^\n]*[\[]:" + lang.replace("_", "-") + r":][^\n]*)", r"\1\2", prg)
-        matchline = re.compile("^\s*(\"[^\"]*\"|[^\s]*)\s*(.*[^\s])?\s*$")
+        matchline = re.compile(r"^\s*(\"[^\"]*\"|[^\s]*)\s*(.*[^\s])?\s*$")
         prefix = ""
         for s in re.sub("(#[^\n]*)?(\n|$)", ";", prg).split(";"):
             macro = re.match("== *(.*[^ ]?) ==", s)