[PATCH 6/7] tools: add 7z host package

Jan Hoffmann jan at 3e8.eu
Sat Jul 23 13:53:18 PDT 2022


Add the 7zr command line tool, which is a version of the 7z application
that only supports 7z archives.

7z is one of the two compression formats supported in H3C firmware
images (the alternative would be ARJ).

(Alternatively, the 7zr command line tool could also be built from a
current version of the public-domain LZMA SDK. That would require
repackaging the source package, as it is only provided in 7z format.)

Signed-off-by: Jan Hoffmann <jan at 3e8.eu>
---
 tools/7z/Makefile | 36 ++++++++++++++++++++++++++++++++++++
 tools/Makefile    |  1 +
 2 files changed, 37 insertions(+)
 create mode 100644 tools/7z/Makefile

diff --git a/tools/7z/Makefile b/tools/7z/Makefile
new file mode 100644
index 000000000000..c94d746c6489
--- /dev/null
+++ b/tools/7z/Makefile
@@ -0,0 +1,36 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=7z
+PKG_VERSION:=22.00
+PKG_SOURCE_VERSION:=2200
+
+PKG_SOURCE:=$(PKG_NAME)$(PKG_SOURCE_VERSION)-src.tar.xz
+PKG_SOURCE_URL:=https://7-zip.org/a/
+PKG_HASH:=40969f601e86aff49aaa0ba0df5ce6fd397cf7e2683a84b591b0081e461ef675
+
+# This builds the 7zr variant which supports only 7z, so no non-LGPL code should be included
+PKG_LICENSE:=LGPL-2.1-or-later
+PKG_LICENSE_FILES:=DOC/License.txt DOC/copying.txt
+
+HOST_BUILD_DIR:=$(BUILD_DIR_HOST)/$(PKG_NAME)-$(PKG_VERSION)
+
+include $(INCLUDE_DIR)/host-build.mk
+
+TAR_CMD=$(HOST_TAR) -C $(1) $(TAR_OPTIONS)
+
+ALONE_DIR=$(HOST_BUILD_DIR)/CPP/7zip/Bundles/Alone7z
+
+define Host/Compile
+	$(MAKE) -C $(ALONE_DIR) -f makefile.gcc
+endef
+
+define Host/Install
+	$(INSTALL_DIR) $(STAGING_DIR_HOST)/bin
+	$(INSTALL_BIN) $(ALONE_DIR)/_o/7zr $(STAGING_DIR_HOST)/bin/7zr
+endef
+
+define Host/Clean
+	rm -f $(STAGING_DIR_HOST)/bin/7zr
+endef
+
+$(eval $(call HostBuild))
diff --git a/tools/Makefile b/tools/Makefile
index be1a23ed512f..0d6e675d4ceb 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -32,6 +32,7 @@ tools-$(BUILD_TOOLCHAIN) += expat gmp mpc mpfr
 tools-$(CONFIG_TARGET_apm821xx)$(CONFIG_TARGET_gemini) += genext2fs
 tools-$(CONFIG_TARGET_ath79) += lzma-old squashfs
 tools-$(CONFIG_TARGET_mxs) += elftosb sdimage
+tools-$(CONFIG_TARGET_realtek) += 7z
 tools-$(CONFIG_TARGET_tegra) += cbootimage cbootimage-configs
 tools-$(CONFIG_USES_MINOR) += kernel2minor
 tools-$(CONFIG_USE_SPARSE) += sparse
-- 
2.36.1




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