axel: bump to version 2.16

- Change upstream URL.
- Add optional dependency on libressl/openssl.
- Switch to autotools-package.

Signed-off-by: Ismael Luceno <ismael@iodev.co.uk>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/axel/Config.in

@@ -4,7 +4,7 @@ config BR2_PACKAGE_AXEL
 	help
 	  HTTP/FTP download accelerator.
 
-	  http://axel.alioth.debian.org/
+	  https://github.com/axel-download-accelerator/axel/
 
 comment "axel needs a toolchain w/ threads"
 	depends on !BR2_TOOLCHAIN_HAS_THREADS

package/axel/axel.hash

@@ -1,2 +1 @@
-# Locally calculated
-sha256	359a57ab4e354bcb6075430d977c59d33eb3e2f1415a811948fa8ae657ca8036  axel-2.4.tar.gz
+sha256 bd65f8d8add34ab61ce1fb9e1c7b1c3449b1cfd981ce48aeee218e755ba0d6fb  axel-2.16.tar.xz

package/axel/axel.mk

@@ -4,33 +4,27 @@
 #
 ################################################################################
 
-AXEL_VERSION = 2.4
-AXEL_SITE = http://sources.buildroot.net
+AXEL_VERSION = 2.16
+AXEL_SITE = https://github.com/axel-download-accelerator/axel/releases/download/v$(AXEL_VERSION)
+AXEL_SOURCE = axel-$(AXEL_VERSION).tar.xz
 AXEL_LICENSE = GPL-2.0+
 AXEL_LICENSE_FILES = COPYING
 AXEL_DEPENDENCIES = $(TARGET_NLS_DEPENDENCIES)
-AXEL_LDFLAGS = -lpthread $(TARGET_NLS_LIBS)
 
-ifeq ($(BR2_SYSTEM_ENABLE_NLS),)
-AXEL_DISABLE_I18N = --i18n=0
-endif
-
-define AXEL_CONFIGURE_CMDS
-	(cd $(@D); \
-		./configure \
-			--prefix=/usr \
-			--debug=1 \
-			$(AXEL_DISABLE_I18N) \
-	)
-endef
+# ac_cv_prog_cc_c99 is required for BR2_USE_WCHAR=n because the C99 test
+# provided by autoconf relies on wchar_t.
+AXEL_CONF_OPTS = \
+	ac_cv_prog_cc_c99=-std=c99 \
+	CFLAGS="$(TARGET_CFLAGS)"
 
-define AXEL_BUILD_CMDS
-	$(TARGET_MAKE_ENV) $(MAKE) CC="$(TARGET_CC)" CFLAGS="$(TARGET_CFLAGS)" \
-	LFLAGS="$(TARGET_LDFLAGS) $(AXEL_LDFLAGS)" -C $(@D)
-endef
-
-define AXEL_INSTALL_TARGET_CMDS
-	$(TARGET_MAKE_ENV) $(MAKE) DESTDIR=$(TARGET_DIR) -C $(@D) install
-endef
+ifeq ($(BR2_PACKAGE_LIBRESSL),y)
+AXEL_CONF_OPTS += --with-ssl
+AXEL_DEPENDENCIES += libressl
+else ifeq ($(BR2_PACKAGE_OPENSSL),y)
+AXEL_CONF_OPTS += --with-ssl
+AXEL_DEPENDENCIES += openssl
+else
+AXEL_CONF_OPTS += --without-ssl
+endif
 
-$(eval $(generic-package))
+$(eval $(autotools-package))