initial buildroot for linux 5.15

package/libssh2/Config.in

@@ -0,0 +1,33 @@
+config BR2_PACKAGE_LIBSSH2
+	bool "libssh2"
+	select BR2_PACKAGE_OPENSSL if !(BR2_PACKAGE_MBEDTLS || BR2_PACKAGE_LIBGCRYPT)
+	help
+	  libssh2 is a client-side C library implementing the SSH2
+	  protocol as defined by Internet Drafts: SECSH-TRANS(22),
+	  SECSH-USERAUTH(25), SECSH-CONNECTION(23), SECSH-ARCH(20),
+	  SECSH-FILEXFER(06)*, SECSH-DHGEX(04), and SECSH-NUMBERS(10)
+
+	  http://www.libssh2.org/
+
+if BR2_PACKAGE_LIBSSH2
+
+choice
+	prompt "Crypto Backend"
+	help
+	  Select crypto library to be used in libssh2.
+
+config BR2_PACKAGE_LIBSSH2_MBEDTLS
+	bool "mbedtls"
+	depends on BR2_PACKAGE_MBEDTLS
+
+config BR2_PACKAGE_LIBSSH2_LIBGCRYPT
+	bool "gcrypt"
+	depends on BR2_PACKAGE_LIBGCRYPT
+
+config BR2_PACKAGE_LIBSSH2_OPENSSL
+	bool "openssl"
+	depends on BR2_PACKAGE_OPENSSL
+	select BR2_PACKAGE_LIBOPENSSL_ENABLE_RMD160 if BR2_PACKAGE_LIBOPENSSL
+
+endchoice
+endif

package/libssh2/libssh2.hash

@@ -0,0 +1,3 @@
+# Locally calculated
+sha256  2d64e90f3ded394b91d3a2e774ca203a4179f69aebee03003e5a6fa621e41d51  libssh2-1.10.0.tar.gz
+sha256  859e60d760a3446ecaf777339f1eef98c527aea40714384d24b882a83ffdd23a  COPYING

package/libssh2/libssh2.mk

@@ -0,0 +1,50 @@
+################################################################################
+#
+# libssh2
+#
+################################################################################
+
+LIBSSH2_VERSION = 1.10.0
+LIBSSH2_SITE = https://www.libssh2.org/download
+LIBSSH2_LICENSE = BSD
+LIBSSH2_LICENSE_FILES = COPYING
+LIBSSH2_CPE_ID_VENDOR = libssh2
+LIBSSH2_INSTALL_STAGING = YES
+LIBSSH2_CONF_OPTS = --disable-examples-build
+
+ifeq ($(BR2_PACKAGE_LIBSSH2_MBEDTLS),y)
+LIBSSH2_DEPENDENCIES += mbedtls
+LIBSSH2_CONF_OPTS += --with-libmbedcrypto-prefix=$(STAGING_DIR)/usr \
+	--with-crypto=mbedtls
+else ifeq ($(BR2_PACKAGE_LIBSSH2_LIBGCRYPT),y)
+LIBSSH2_DEPENDENCIES += libgcrypt
+LIBSSH2_CONF_OPTS += --with-libgcrypt-prefix=$(STAGING_DIR)/usr \
+	--with-crypto=libgcrypt
+# configure.ac forgets to link to dependent libraries of gcrypt breaking static
+# linking
+LIBSSH2_CONF_ENV += LIBS="`$(STAGING_DIR)/usr/bin/libgcrypt-config --libs`"
+else ifeq ($(BR2_PACKAGE_LIBSSH2_OPENSSL),y)
+LIBSSH2_DEPENDENCIES += host-pkgconf openssl
+LIBSSH2_CONF_OPTS += --with-libssl-prefix=$(STAGING_DIR)/usr \
+	--with-crypto=openssl
+# configure.ac forgets to link to dependent libraries of openssl breaking static
+# linking
+LIBSSH2_CONF_ENV += LIBS=`$(PKG_CONFIG_HOST_BINARY) --libs openssl`
+endif
+
+# Add zlib support if enabled
+ifeq ($(BR2_PACKAGE_ZLIB),y)
+LIBSSH2_DEPENDENCIES += zlib
+LIBSSH2_CONF_OPTS += --with-libz \
+	--with-libz-prefix=$(STAGING_DIR)/usr
+else
+LIBSSH2_CONF_OPTS += --without-libz
+endif
+
+HOST_LIBSSH2_DEPENDENCIES += host-openssl
+HOST_LIBSSH2_CONF_OPTS += --with-openssl \
+	--with-libssl-prefix=$(HOST_DIR) \
+	--without-libgcrypt
+
+$(eval $(autotools-package))
+$(eval $(host-autotools-package))