include $(TOPDIR)/rules.mk

PKG_NAME:=zstd
PKG_VERSION:=1.4.4
PKG_RELEASE:=3

PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
PKG_SOURCE_URL:=https://codeload.github.com/facebook/zstd/tar.gz/v$(PKG_VERSION)?
PKG_HASH:=a364f5162c7d1a455cc915e8e3cf5f4bd8b75d09bc0f53965b0c9ca1383c52c8

PKG_MAINTAINER:=
PKG_LICENSE:=GPL-2.0-or-later
PKG_LICENSE_FILES:=COPYING

PKG_BUILD_DEPENDS:=meson/host
PKG_INSTALL:=1

include $(INCLUDE_DIR)/package.mk
include ../../devel/meson/meson.mk

MESON_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)/build/meson/openwrt-build

define Package/zstd/Default
  SUBMENU:=Compression
  URL:=https://github.com/facebook/zstd
endef

define Package/libzstd
$(call Package/zstd/Default)
  SECTION:=libs
  CATEGORY:=Libraries
  TITLE:=zstd library.
  MENU:=1
endef

define Package/libzstd/description
  Zstandard - Fast real-time compression algorithm.
  This package provides libzstd library.
endef

define Package/libzstd/config
	config ZSTD_OPTIMIZE_O3
		bool "Use all optimizations (-O3)"
		depends on PACKAGE_libzstd
		default y
		help
			This enables additional optmizations using the -O3 compilation flag.
endef

define Package/zstd
$(call Package/zstd/Default)
  SECTION:=utils
  CATEGORY:=Utilities
  DEPENDS:=+libzstd
  TITLE:=Fast real-time compression algorithm.
endef

define Package/zstd/description
  Zstandard - Fast real-time compression algorithm.
  This package provides the zstd binaries.
endef

ifeq ($(CONFIG_ZSTD_OPTIMIZE_O3),y)
TARGET_CFLAGS:= $(filter-out -O%,$(TARGET_CFLAGS)) -O3
endif

MESON_ARGS += \
	-Dlegacy_level=1 \
	-Ddebug_level=0 \
	-Dbacktrace=false \
	-Dstatic_runtime=false \
	-Dbin_programs=true \
	-Dbin_tests=false \
	-Dbin_control=false \
	-Dzlib=disabled \
	-Dlzma=disabled \
	-Dlz4=disabled

TARGET_CFLAGS += -flto
TARGET_LDFLAGS += -Wl,--as-needed

define Build/InstallDev
	$(INSTALL_DIR) $(1)/usr/include
	$(CP) $(PKG_INSTALL_DIR)/usr/include/*.h $(1)/usr/include
	$(INSTALL_DIR) $(1)/usr/lib
	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libzstd.so* $(1)/usr/lib
	$(INSTALL_DIR) $(1)/usr/lib/pkgconfig
	$(CP) $(PKG_INSTALL_DIR)/usr/lib/pkgconfig/libzstd.pc $(1)/usr/lib/pkgconfig
endef

define Package/libzstd/install
	$(INSTALL_DIR) $(1)/usr/lib
	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libzstd.so* $(1)/usr/lib
endef

define Package/zstd/install
	$(INSTALL_DIR) $(1)/usr/bin
	$(CP) $(PKG_INSTALL_DIR)/usr/bin/{unzstd,zstd,zstdcat,zstdgrep,zstdless,zstdmt} $(1)/usr/bin
endef

$(eval $(call BuildPackage,libzstd))
$(eval $(call BuildPackage,zstd))