diff --git a/src/tools/jpeg.jam b/src/tools/libjpeg.jam
similarity index 100%
rename from src/tools/jpeg.jam
rename to src/tools/libjpeg.jam
diff --git a/src/tools/png.jam b/src/tools/libpng.jam
similarity index 100%
rename from src/tools/png.jam
rename to src/tools/libpng.jam
diff --git a/src/tools/tiff.jam b/src/tools/libtiff.jam
similarity index 100%
rename from src/tools/tiff.jam
rename to src/tools/libtiff.jam