diff --git a/src/Decl.cpp b/src/Decl.cpp
index 8dd9871..743f21e 100644
--- a/src/Decl.cpp
+++ b/src/Decl.cpp
@@ -120,7 +120,7 @@ void FunctionsMixin::add_functions(C2FFIASTConsumer* ast, const clang::CXXRecord
         f->set_is_static(m->isStatic());
         f->set_is_virtual(m->isVirtual());
         f->set_is_const(m->isConst());
-        f->set_is_pure(m->isPure());
+        f->set_is_pure(m->isPureVirtual());
         f->set_location(ast->ci(), m);
 
         for(clang::FunctionDecl::param_const_iterator i = m->param_begin(); i != m->param_end(); i++) {
diff --git a/src/c2ffi.cpp b/src/c2ffi.cpp
index 0ccb2e5..53c4d5b 100644
--- a/src/c2ffi.cpp
+++ b/src/c2ffi.cpp
@@ -62,7 +62,7 @@ int main(int argc, char *argv[]) {
 
     C2FFIASTConsumer *astc = NULL;
 
-    const clang::FileEntry *file = ci.getFileManager().getFile(sys.filename).get();
+    auto&& file = ci.getFileManager().getFileRef(sys.filename).get();
     clang::FileID fid = ci.getSourceManager().createFileID(file,
                                                            clang::SourceLocation(),
                                                            clang::SrcMgr::C_User);
diff --git a/src/init.cpp b/src/init.cpp
index 56b19b2..d158462 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -199,7 +199,7 @@ void c2ffi::init_ci(config &c, clang::CompilerInstance &ci) {
         lo.WCharSize = c.wchar_size;
 
     std::vector<std::string> includes;
-    ci.getInvocation().getLangOpts()->setLangDefaults(lo, c.kind.getLanguage(),
+    ci.getInvocation().getLangOpts().setLangDefaults(lo, c.kind.getLanguage(),
                                                       pti->getTriple(), includes, c.std);
     //clang::LangOptions::setLangDefaults(lo, c.kind.getLanguage(), pti->getTriple(), includes, c.std);
     ci.createFileManager();