[Buildroot] [PATCH v5 2/2] zlib-ng: new package

["Stefan Fröberg" <stefan.froberg@petroprogram.com>]

zlib-ng, a fast Zlib replacement

Signed-off-by: Stefan Fr?berg <stefan.froberg@petroprogram.com>
---
Changes v4 -> v5:

- Added support for host-zlib-ng
- Updated github url to use latest commit from: 
  https://github.com/mtl1979/zlib-ng/tree/renamelib
  That fixes the following issues: 
  https://github.com/Dead2/zlib-ng/issues/136

 DEVELOPERS                   |  1 +
 package/zlib-ng/zlib-ng.hash |  6 ++++++
 package/zlib-ng/zlib-ng.mk   | 26 ++++++++++++++++++++++++++
 package/zlib/Config.in       | 10 ++++++++++
 4 files changed, 43 insertions(+)
 create mode 100644 package/zlib-ng/zlib-ng.hash
 create mode 100644 package/zlib-ng/zlib-ng.mk

diff --git a/DEVELOPERS b/DEVELOPERS
index 20fe70253d..9438981de5 100644
--- a/DEVELOPERS
+++ b/DEVELOPERS
@@ -1541,6 +1541,7 @@ F:	package/elfutils/
 F:	package/libtasn1/
 F:	package/proxychains-ng/
 F:	package/yasm/
+F:	package/zlib-ng/
 
 N:	Stefan S?rensen <stefan.sorensen@spectralink.com>
 F:	package/cracklib/
diff --git a/package/zlib-ng/zlib-ng.hash b/package/zlib-ng/zlib-ng.hash
new file mode 100644
index 0000000000..b86bcd6a40
--- /dev/null
+++ b/package/zlib-ng/zlib-ng.hash
@@ -0,0 +1,6 @@
+# Locally calculated
+
+sha256	2ec78c8c13530bffaebfc10be2f4695c47cf50fe2fbc2104606467703836fa0e  zlib-ng-a17fefa147942edbf80ab22a16bcbc2419def12d.tar.gz
+
+sha256	d3c80be055d94d798eaa786116e84fa0b010bc11420b5d2060d978ea77845436 LICENSE.md
+
diff --git a/package/zlib-ng/zlib-ng.mk b/package/zlib-ng/zlib-ng.mk
new file mode 100644
index 0000000000..f33b74b2ba
--- /dev/null
+++ b/package/zlib-ng/zlib-ng.mk
@@ -0,0 +1,26 @@
+################################################################################
+#
+# zlib-ng
+#
+################################################################################
+
+ZLIB_NG_VERSION = a17fefa147942edbf80ab22a16bcbc2419def12d
+ZLIB_NG_SITE = $(call github,mtl1979,zlib-ng,$(ZLIB_NG_VERSION))
+ZLIB_NG_LICENSE = Zlib
+ZLIB_NG_LICENSE_FILES = LICENSE.md
+ZLIB_NG_INSTALL_STAGING = YES
+ZLIB_NG_PROVIDES = zlib
+
+# Build with zlib compatible API, gzFile support and optimizations on
+ZLIB_NG_CONF_OPTS += -DZLIB_COMPAT=1 -DWITH_GZFILEOP=1 -DWITH_OPTIM=1 -DCC=$(TARGET_CC)
+
+# Enable NEON and ACLE on ARM
+ifeq ($(BR2_arm),y)
+ZLIB_NG_CONF_OPTS += -DWITH_ACLE=1 -DWITH_NEON=1
+endif
+
+# For host zlib-ng, we don't care about optimizations
+HOST_ZLIB_NG_CONF_OPTS += -DZLIB_COMPAT=1 -DWITH_GZFILEOP=1
+
+$(eval $(cmake-package))
+$(eval $(host-cmake-package))
diff --git a/package/zlib/Config.in b/package/zlib/Config.in
index 043c3cefa4..1e7f65181a 100644
--- a/package/zlib/Config.in
+++ b/package/zlib/Config.in
@@ -20,6 +20,15 @@ config BR2_PACKAGE_LIBZLIB
 
 	  http://www.zlib.net
 
+config BR2_PACKAGE_ZLIB_NG
+	bool "zlib-ng"
+	select BR2_PACKAGE_HAS_ZLIB
+	help
+	  Zlib replacement with optimizations for
+	  "next generation" systems.
+
+	  https://github.com/mtl1979/zlib-ng/tree/renamelib
+
 endchoice
 
 config BR2_PACKAGE_HAS_ZLIB
@@ -28,5 +37,6 @@ config BR2_PACKAGE_HAS_ZLIB
 config BR2_PACKAGE_PROVIDES_ZLIB
 	string
 	default "libzlib" if BR2_PACKAGE_LIBZLIB
+	default "zlib-ng" if BR2_PACKAGE_ZLIB_NG
 
 endif
-- 
2.13.6