pigz: new package

A parallel implementation of gzip for modern
multi-processor, multi-core machines.

Signed-off-by: Alfredo Alvarez Fernandez <alfredo.alvarez_fernandez@nokia.com>
Signed-off-by: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com>
[Thomas: add entry to DEVELOPERS file, add hash for license file.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

DEVELOPERS

@@ -1914,6 +1914,7 @@ F:	package/civetweb/
 N:	Thomas De Schampheleire <thomas.de_schampheleire@nokia.com>
 F:	docs/manual/
 F:	package/opkg-utils/
+F:	package/pigz/
 F:	support/scripts/size-stats
 F:	utils/size-stats-compare
 F:	toolchain/

package/Config.in

@@ -70,6 +70,7 @@ menu "Compressors and decompressors"
 	source "package/lzip/Config.in"
 	source "package/lzop/Config.in"
 	source "package/p7zip/Config.in"
+	source "package/pigz/Config.in"
 	source "package/pixz/Config.in"
 	source "package/unrar/Config.in"
 	source "package/unzip/Config.in"

package/pigz/Config.in

@@ -0,0 +1,14 @@
+config BR2_PACKAGE_PIGZ
+	bool "pigz"
+	depends on BR2_TOOLCHAIN_HAS_THREADS
+	select BR2_PACKAGE_ZLIB
+	help
+	  pigz, which stands for parallel implementation of gzip, is a
+	  fully functional replacement for gzip that exploits multiple
+	  processors and multiple cores to the hilt when compressing
+	  data.
+
+	  http://www.zlib.net/pigz/
+
+comment "pigz needs a toolchain w/ threads"
+	depends on !BR2_TOOLCHAIN_HAS_THREADS

package/pigz/pigz.hash

@@ -0,0 +1,3 @@
+# From https://zlib.net/pigz/
+sha256  a4f816222a7b4269bd232680590b579ccc72591f1bb5adafcd7208ca77e14f73  pigz-2.4.tar.gz
+sha256	dc8f78258cdb4478b5922f4c00eb63d3cbac06c171dc829648fd414bb0cf4493  README

package/pigz/pigz.mk

@@ -0,0 +1,21 @@
+################################################################################
+#
+# pigz
+#
+################################################################################
+
+PIGZ_VERSION = 2.4
+PIGZ_SITE = http://www.zlib.net/pigz
+PIGZ_DEPENDENCIES = zlib
+PIGZ_LICENSE = Zlib
+PIGZ_LICENSE_FILES = README
+
+define PIGZ_BUILD_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) $(TARGET_CONFIGURE_OPTS) -C $(@D)
+endef
+
+define PIGZ_INSTALL_TARGET_CMDS
+	$(INSTALL) -D -m 0755 $(@D)/pigz $(TARGET_DIR)/usr/bin/pigz
+endef
+
+$(eval $(generic-package))