diff --git a/diff-pdf.changes b/diff-pdf.changes
index 14c5258..b7a64db 100644
--- a/diff-pdf.changes
+++ b/diff-pdf.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Sat Jun 18 10:27:21 UTC 2016 - mpluskal@suse.com
+
+- Fix building with gcc6 (boo#985353)
+- Use safer ldflags
+
 -------------------------------------------------------------------
 Sun May 29 07:33:13 UTC 2016 - mpluskal@suse.com
 
diff --git a/diff-pdf.spec b/diff-pdf.spec
index bef41b5..1fe97ac 100644
--- a/diff-pdf.spec
+++ b/diff-pdf.spec
@@ -43,6 +43,8 @@ diff-pdf is a simple tool for comparing two PDF files.
 %setup -q
 
 %build
+export CXXFLAGS="%{optflags} -fpermissive"
+export LDFLAGS='-Wl,--as-needed -Wl,--no-undefined -Wl,-z,now'
 ./bootstrap
 %configure
 make %{?_smp_mflags} V=1