initial buildroot for linux 5.15

package/libargon2/libargon2.mk

@@ -0,0 +1,41 @@
+################################################################################
+#
+# libargon2
+#
+################################################################################
+
+LIBARGON2_VERSION = 20190702
+LIBARGON2_SITE = $(call github,P-H-C,phc-winner-argon2,$(LIBARGON2_VERSION))
+LIBARGON2_LICENSE = CC0-1.0 or Apache-2.0
+LIBARGON2_LICENSE_FILES = LICENSE
+LIBARGON2_INSTALL_STAGING = YES
+
+LIBARGON2_OPTS = LIBRARY_REL=lib
+
+# GCC_TARGET_ARCH is not defined for all architectures, but libargon2
+# only uses it to detect if some x86 optimizations can be used, and
+# GCC_TARGET_ARCH is defined on x86.
+ifneq ($(GCC_TARGET_ARCH),)
+LIBARGON2_OPTS += OPTTARGET=$(GCC_TARGET_ARCH)
+endif
+
+ifeq ($(BR2_TOOLCHAIN_HAS_THREADS),)
+LIBARGON2_OPTS += NO_THREADS=1
+endif
+
+define LIBARGON2_BUILD_CMDS
+	$(TARGET_MAKE_ENV) $(TARGET_CONFIGURE_OPTS) $(MAKE) -C $(@D) \
+		$(LIBARGON2_OPTS)
+endef
+
+define LIBARGON2_INSTALL_STAGING_CMDS
+	$(TARGET_MAKE_ENV) $(TARGET_CONFIGURE_OPTS) $(MAKE) -C $(@D) \
+		$(LIBARGON2_OPTS) DESTDIR=$(STAGING_DIR) install
+endef
+
+define LIBARGON2_INSTALL_TARGET_CMDS
+	$(TARGET_MAKE_ENV) $(TARGET_CONFIGURE_OPTS) $(MAKE) -C $(@D) \
+		$(LIBARGON2_OPTS) DESTDIR=$(TARGET_DIR) install
+endef
+
+$(eval $(generic-package))