28 files changed, 38 insertions, 31 deletions
diff --git a/COPYING.md b/COPYING.md
index d27ddaa..7d297d0 100644
--- a/COPYING.md
+++ b/COPYING.md
@@ -8,12 +8,12 @@ with the following exceptions:
  - `lib/util/xxhash.c` contains a modified implementation of the xxhash32
    algorithm. See `licenses/xxhash.txt` for copyright and licensing
    information (2 clause BSD license).
- - `lib/sqfs/comp/lz4` contains files extracted from the LZ4 compression
-   library. See `lib/sqfs/comp/lz4/README` for details and `licenses/LZ4.txt`
-   for copyright and licensing information (2 clause BSD license).
- - `lib/sqfs/comp/zlib` contains files that have been extracted from the the
-   zlib compression library and modified. See `lib/sqfs/comp/zlib/README` for
-   details and `licenses/zlib.txt` for details.
+ - `lib/lz4` contains files extracted from the LZ4 compression library.
+   See `lib/lz4/README` for details and `licenses/LZ4.txt` for copyright and
+   licensing information (2 clause BSD license).
+ - `lib/zlib` contains files that have been extracted from the the zlib
+   compression library and modified. See `lib/zlib/README` for details
+   and `licenses/zlib.txt` for details.
  - `lib/util/hash_table.c`, `include/hash_table.h` and
    `lib/util/fast_urem_by_const.h` contain a hash table implementation (MIT
    license). See `licenses/hash_table.txt` for details.
diff --git a/Makefile.am b/Makefile.am
index 26a4458..1ae9b69 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -21,6 +21,8 @@ EXTRA_DIST = autogen.sh README.md CHANGELOG.md COPYING.md mkwinbins.sh licenses
 EXTRA_DIST += doc
 TESTS =
 
+include lib/zlib/Makemodule.am
+include lib/lz4/Makemodule.am
 include lib/sqfs/Makemodule.am
 
 if BUILD_TOOLS
diff --git a/README.md b/README.md
index c38d4bf..7217b55 100644
--- a/README.md
+++ b/README.md
@@ -144,8 +144,7 @@ The following components exist:
 
 Optionally, `libsquashfs` can be compiled with builtin, custom versions of zlib
 and lz4. The configure options `--with-builtin-zlib` and `--with-builtin-lz4`
-can be used. The respective library sources are in `lib/sqfs/comp` in the
-squashfs-tools-ng source tree.
+can be used. The respective library sources are also in the `lib` directory.
 
 The `tests` sub-directory contains unit tests for the libraries.
 
diff --git a/lib/lz4/Makemodule.am b/lib/lz4/Makemodule.am
new file mode 100644
index 0000000..89e480f
--- /dev/null
+++ b/lib/lz4/Makemodule.am
@@ -0,0 +1,10 @@
+if WITH_OWN_LZ4
+liblz4_la_SOURCES = lib/lz4/lz4.c lib/lz4/lz4.h
+liblz4_la_SOURCES += lib/lz4/lz4hc.c lib/lz4/lz4hc.h
+
+liblz4_la_CPPFLAGS = -I$(top_srcdir)/lib/lz4 -DLZ4_HEAPMODE=1
+
+noinst_LTLIBRARIES += liblz4.la
+endif
+
+EXTRA_DIST += lib/lz4/README
diff --git a/lib/sqfs/comp/lz4/README b/lib/lz4/README
index 4c15347..4c15347 100644
--- a/lib/sqfs/comp/lz4/README
+++ b/lib/lz4/README
diff --git a/lib/sqfs/comp/lz4/lz4.c b/lib/lz4/lz4.c
index 853d228..853d228 100644
--- a/lib/sqfs/comp/lz4/lz4.c
+++ b/lib/lz4/lz4.c
diff --git a/lib/sqfs/comp/lz4/lz4.h b/lib/lz4/lz4.h
index 43d3b14..43d3b14 100644
--- a/lib/sqfs/comp/lz4/lz4.h
+++ b/lib/lz4/lz4.h
diff --git a/lib/sqfs/comp/lz4/lz4hc.c b/lib/lz4/lz4hc.c
index 4bdf96e..4bdf96e 100644
--- a/lib/sqfs/comp/lz4/lz4hc.c
+++ b/lib/lz4/lz4hc.c
diff --git a/lib/sqfs/comp/lz4/lz4hc.h b/lib/lz4/lz4hc.h
index 157d813..157d813 100644
--- a/lib/sqfs/comp/lz4/lz4hc.h
+++ b/lib/lz4/lz4hc.h
diff --git a/lib/sqfs/Makemodule.am b/lib/sqfs/Makemodule.am
index 12892bb..fedb7a8 100644
--- a/lib/sqfs/Makemodule.am
+++ b/lib/sqfs/Makemodule.am
@@ -67,23 +67,8 @@ libsquashfs_la_SOURCES += lib/sqfs/comp/gzip.c
 libsquashfs_la_CPPFLAGS += -DWITH_GZIP
 
 if WITH_OWN_ZLIB
-libsquashfs_la_SOURCES += lib/sqfs/comp/zlib/adler32.c
-libsquashfs_la_SOURCES += lib/sqfs/comp/zlib/deflate.c
-libsquashfs_la_SOURCES += lib/sqfs/comp/zlib/deflate.h
-libsquashfs_la_SOURCES += lib/sqfs/comp/zlib/inffast.c
-libsquashfs_la_SOURCES += lib/sqfs/comp/zlib/inffast.h
-libsquashfs_la_SOURCES += lib/sqfs/comp/zlib/inffixed.h
-libsquashfs_la_SOURCES += lib/sqfs/comp/zlib/inflate.c
-libsquashfs_la_SOURCES += lib/sqfs/comp/zlib/inflate.h
-libsquashfs_la_SOURCES += lib/sqfs/comp/zlib/zconf.h
-libsquashfs_la_SOURCES += lib/sqfs/comp/zlib/trees.c
-libsquashfs_la_SOURCES += lib/sqfs/comp/zlib/inftrees.c
-libsquashfs_la_SOURCES += lib/sqfs/comp/zlib/inftrees.h
-libsquashfs_la_SOURCES += lib/sqfs/comp/zlib/zlib.h lib/sqfs/comp/zlib/trees.h
-libsquashfs_la_SOURCES += lib/sqfs/comp/zlib/zutil.c lib/sqfs/comp/zlib/zutil.h
-
-libsquashfs_la_CPPFLAGS += -I$(top_srcdir)/lib/sqfs/comp/zlib -DZLIB_CONST=1
-libsquashfs_la_CPPFLAGS += -DNO_GZCOMPRESS=1 -DNO_GZIP=1 -DHAVE_MEMCPY=1
+libsquashfs_la_CPPFLAGS += -I$(top_srcdir)/lib/zlib
+libsquashfs_la_LIBADD += libz.la
 endif
 endif
 
@@ -98,10 +83,8 @@ libsquashfs_la_SOURCES += lib/sqfs/comp/lz4.c
 libsquashfs_la_CPPFLAGS += -DWITH_LZ4
 
 if WITH_OWN_LZ4
-libsquashfs_la_CPPFLAGS += -I$(top_srcdir)/lib/sqfs/comp/lz4 -DLZ4_HEAPMODE=1
-
-libsquashfs_la_SOURCES += lib/sqfs/comp/lz4/lz4.c lib/sqfs/comp/lz4/lz4.h
-libsquashfs_la_SOURCES += lib/sqfs/comp/lz4/lz4hc.c lib/sqfs/comp/lz4/lz4hc.h
+libsquashfs_la_CPPFLAGS += -I$(top_srcdir)/lib/lz4
+libsquashfs_la_LIBADD += liblz4.la
 endif
 endif
 
@@ -116,5 +99,3 @@ sqfsinclude_HEADERS = $(LIBSQFS_HEARDS)
 lib_LTLIBRARIES += libsquashfs.la
 
 pkgconfig_DATA += lib/sqfs/libsquashfs1.pc
-
-EXTRA_DIST += lib/sqfs/comp/lz4/README lib/sqfs/comp/zlib/README
diff --git a/lib/zlib/Makemodule.am b/lib/zlib/Makemodule.am
new file mode 100644
index 0000000..496fbe4
--- /dev/null
+++ b/lib/zlib/Makemodule.am
@@ -0,0 +1,15 @@
+if WITH_OWN_ZLIB
+libz_la_SOURCES = lib/zlib/adler32.c lib/zlib/inffixed.h lib/zlib/zconf.h
+libz_la_SOURCES += lib/zlib/deflate.c lib/zlib/deflate.h lib/zlib/inffast.c
+libz_la_SOURCES += lib/zlib/inffast.h lib/zlib/inflate.c lib/zlib/inflate.h
+libz_la_SOURCES += lib/zlib/inftrees.c lib/zlib/inftrees.h lib/zlib/trees.c
+libz_la_SOURCES += lib/zlib/zlib.h lib/zlib/trees.h lib/zlib/zutil.c
+libz_la_SOURCES += lib/zlib/zutil.h
+
+libz_la_CPPFLAGS = -I$(top_srcdir)/lib/zlib -DZLIB_CONST=1
+libz_la_CPPFLAGS += -DNO_GZCOMPRESS=1 -DNO_GZIP=1 -DHAVE_MEMCPY=1
+
+noinst_LTLIBRARIES += libz.la
+endif
+
+EXTRA_DIST += lib/zlib/README
diff --git a/lib/sqfs/comp/zlib/README b/lib/zlib/README
index 6052c33..6052c33 100644
--- a/lib/sqfs/comp/zlib/README
+++ b/lib/zlib/README
diff --git a/lib/sqfs/comp/zlib/adler32.c b/lib/zlib/adler32.c
index d0be438..d0be438 100644
--- a/lib/sqfs/comp/zlib/adler32.c
+++ b/lib/zlib/adler32.c
diff --git a/lib/sqfs/comp/zlib/deflate.c b/lib/zlib/deflate.c
index 1c974d0..1c974d0 100644
--- a/lib/sqfs/comp/zlib/deflate.c
+++ b/lib/zlib/deflate.c
diff --git a/lib/sqfs/comp/zlib/deflate.h b/lib/zlib/deflate.h
index 23ecdd3..23ecdd3 100644
--- a/lib/sqfs/comp/zlib/deflate.h
+++ b/lib/zlib/deflate.h
diff --git a/lib/sqfs/comp/zlib/inffast.c b/lib/zlib/inffast.c
index 0dbd1db..0dbd1db 100644
--- a/lib/sqfs/comp/zlib/inffast.c
+++ b/lib/zlib/inffast.c
diff --git a/lib/sqfs/comp/zlib/inffast.h b/lib/zlib/inffast.h
index e5c1aa4..e5c1aa4 100644
--- a/lib/sqfs/comp/zlib/inffast.h
+++ b/lib/zlib/inffast.h
diff --git a/lib/sqfs/comp/zlib/inffixed.h b/lib/zlib/inffixed.h
index d628327..d628327 100644
--- a/lib/sqfs/comp/zlib/inffixed.h
+++ b/lib/zlib/inffixed.h
diff --git a/lib/sqfs/comp/zlib/inflate.c b/lib/zlib/inflate.c
index 066ab9f..066ab9f 100644
--- a/lib/sqfs/comp/zlib/inflate.c
+++ b/lib/zlib/inflate.c
diff --git a/lib/sqfs/comp/zlib/inflate.h b/lib/zlib/inflate.h
index a46cce6..a46cce6 100644
--- a/lib/sqfs/comp/zlib/inflate.h
+++ b/lib/zlib/inflate.h
diff --git a/lib/sqfs/comp/zlib/inftrees.c b/lib/zlib/inftrees.c
index 8d45454..8d45454 100644
--- a/lib/sqfs/comp/zlib/inftrees.c
+++ b/lib/zlib/inftrees.c
diff --git a/lib/sqfs/comp/zlib/inftrees.h b/lib/zlib/inftrees.h
index baa53a0..baa53a0 100644
--- a/lib/sqfs/comp/zlib/inftrees.h
+++ b/lib/zlib/inftrees.h
diff --git a/lib/sqfs/comp/zlib/trees.c b/lib/zlib/trees.c
index 50cf4b4..50cf4b4 100644
--- a/lib/sqfs/comp/zlib/trees.c
+++ b/lib/zlib/trees.c
diff --git a/lib/sqfs/comp/zlib/trees.h b/lib/zlib/trees.h
index d35639d..d35639d 100644
--- a/lib/sqfs/comp/zlib/trees.h
+++ b/lib/zlib/trees.h
diff --git a/lib/sqfs/comp/zlib/zconf.h b/lib/zlib/zconf.h
index 427add2..427add2 100644
--- a/lib/sqfs/comp/zlib/zconf.h
+++ b/lib/zlib/zconf.h
diff --git a/lib/sqfs/comp/zlib/zlib.h b/lib/zlib/zlib.h
index f09cdaf..f09cdaf 100644
--- a/lib/sqfs/comp/zlib/zlib.h
+++ b/lib/zlib/zlib.h
diff --git a/lib/sqfs/comp/zlib/zutil.c b/lib/zlib/zutil.c
index 5c9625f..5c9625f 100644
--- a/lib/sqfs/comp/zlib/zutil.c
+++ b/lib/zlib/zutil.c
diff --git a/lib/sqfs/comp/zlib/zutil.h b/lib/zlib/zutil.h
index a5856f8..a5856f8 100644
--- a/lib/sqfs/comp/zlib/zutil.h
+++ b/lib/zlib/zutil.h