diff --git a/libjpeg-turbo.changes b/libjpeg-turbo.changes
index f06c850..2c8c23e 100644
--- a/libjpeg-turbo.changes
+++ b/libjpeg-turbo.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Mon Dec  3 10:48:42 UTC 2018 - Petr Gajdos <pgajdos@suse.com>
+
+- asan_build: build ASAN included
+- debug_build: build more suitable for debugging
+
 -------------------------------------------------------------------
 Tue Nov 13 11:14:01 UTC 2018 - Petr Gajdos <pgajdos@suse.com>
 
diff --git a/libjpeg-turbo.spec b/libjpeg-turbo.spec
index 30b5163..0dc1d92 100644
--- a/libjpeg-turbo.spec
+++ b/libjpeg-turbo.spec
@@ -16,6 +16,9 @@
 #
 
 
+%define asan_build 0
+%define debug_build 0
+
 %define srcver   2.0.1
 %define major    8
 %define minor    2
@@ -103,8 +106,21 @@ files using the libjpeg library.
 %patch2 -p1
 
 %build
-export LDFLAGS="-Wl,-z,relro,-z,now"
+MYLDFLAGS="-Wl,-z,relro,-z,now"
+MYCFLAGS="%{optflags}"
+%if %{asan_build}
+MYLDFLAGS="$MYLDFLAGS -lasan"
+MYCFLAGS="$MYCFLAGS -fsanitize=address"
+%endif
+%if %{debug_build}
+MYCFLAGS="$MYCFLAGS -O0"
+%endif
 %cmake \
+%if %{debug_build} || %{asan_build}
+    -DCMAKE_BUILD_TYPE=DEBUG \
+    -DCMAKE_C_FLAGS_DEBUG="$MYCFLAGS" \
+%endif
+    -DCMAKE_SHARED_LINKER_FLAGS="$MYLDFLAGS" \
     -DENABLE_STATIC=OFF \
     -DWITH_JPEG8=ON \
 %ifarch ppc
@@ -114,6 +130,10 @@ export LDFLAGS="-Wl,-z,relro,-z,now"
 make %{?_smp_mflags}
 
 %check
+%if %{asan_build}
+# ASAN needs /proc to be mounted
+exit 0
+%endif
 export LD_LIBRARY_PATH=%{buildroot}%{_libdir}${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}
 %ctest