From: Debian Science Maintainers
 <debian-science-maintainers@lists.alioth.debian.org>
Date: Sat, 5 Oct 2019 11:45:42 +0000
Subject: No embedded libs

Build against system libraries: c-blosc, zlib, zstd. lz4
---
 MANIFEST.in |  2 +-
 setup.py    | 11 ++++++-----
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/MANIFEST.in b/MANIFEST.in
index 41513ec..3dbdd71 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,4 +1,4 @@
-recursive-include c-blosc *
+# recursive-include c-blosc *
 recursive-include numcodecs *.pyx
 recursive-include numcodecs *.pxd
 include numcodecs/tests/package_with_entrypoint-0.1.dist-info/entry_points.txt
diff --git a/setup.py b/setup.py
index c27fad3..af715bf 100644
--- a/setup.py
+++ b/setup.py
@@ -127,12 +127,12 @@ def blosc_extension():
     return [
         Extension(
             'numcodecs.blosc',
-            sources=sources + blosc_sources,
+            sources=sources,  # + blosc_sources,
             include_dirs=include_dirs,
             define_macros=define_macros,
             extra_compile_args=extra_compile_args,
             extra_link_args=extra_link_args,
-            extra_objects=extra_objects,
+            libraries=['blosc', 'z'],
         ),
     ]
 
@@ -168,11 +168,11 @@ def zstd_extension():
     return [
         Extension(
             'numcodecs.zstd',
-            sources=sources + zstd_sources,
+            sources=sources,  # + zstd_sources,
             include_dirs=include_dirs,
             define_macros=define_macros,
             extra_compile_args=extra_compile_args,
-            extra_objects=extra_objects,
+            libraries=['zstd'],
         ),
     ]
 
@@ -195,10 +195,11 @@ def lz4_extension():
     return [
         Extension(
             'numcodecs.lz4',
-            sources=sources + lz4_sources,
+            sources=sources,  # + lz4_sources,
             include_dirs=include_dirs,
             define_macros=define_macros,
             extra_compile_args=extra_compile_args,
+            libraries=['lz4'],
         ),
     ]
 
