dropbear: allow disabling support for scp

If not needed, disabling scp allows for a nice size reduction.

Dropbear executable size comparison:

153621 bytes (baseline)
133077 bytes (without scp)

In other words, we trim a total of 20544 bytes.

Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>

diff --git a/package/network/services/dropbear/Config.in b/package/network/services/dropbear/Config.in
index 3de4189e081e57f381fb32b2fb78871551c087c4..108b80376bab1a016bc8b08e7b39dd40c5031cbc 100644 (file)
--- a/package/network/services/dropbear/Config.in
+++ b/package/network/services/dropbear/Config.in
@@ -95,4 +95,8 @@ config DROPBEAR_DBCLIENT
        bool "Build dropbear with dbclient"
        default y
 
+config DROPBEAR_SCP
+       bool "Build dropbear with scp"
+       default y
+
 endmenu

diff --git a/package/network/services/dropbear/Makefile b/package/network/services/dropbear/Makefile
index bedb000fda9240af4591f9f08031c6eeb389ce7d..1cda98bf7e9174e6aa26f54d2c352f2850ad41fe 100644 (file)
--- a/package/network/services/dropbear/Makefile
+++ b/package/network/services/dropbear/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=dropbear
 PKG_VERSION:=2020.80
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
 PKG_SOURCE_URL:= \
@@ -31,7 +31,7 @@ PKG_CONFIG_DEPENDS:= \
        CONFIG_DROPBEAR_CURVE25519 CONFIG_DROPBEAR_ZLIB \
        CONFIG_DROPBEAR_ED25519 CONFIG_DROPBEAR_CHACHA20POLY1305 \
        CONFIG_DROPBEAR_UTMP CONFIG_DROPBEAR_PUTUTLINE \
-       CONFIG_DROPBEAR_DBCLIENT
+       CONFIG_DROPBEAR_DBCLIENT CONFIG_DROPBEAR_SCP
 
 include $(INCLUDE_DIR)/package.mk
 
@@ -53,7 +53,9 @@ define Package/dropbear
   CATEGORY:=Base system
   TITLE:=Small SSH2 client/server
   DEPENDS:= +DROPBEAR_ZLIB:zlib
-  ALTERNATIVES:=100:/usr/bin/scp:/usr/sbin/dropbear
+  ALTERNATIVES:=
+  $(if $(CONFIG_DROPBEAR_SCP),ALTERNATIVES+= \
+         100:/usr/bin/scp:/usr/sbin/dropbear,)
   $(if $(CONFIG_DROPBEAR_DBCLIENT),ALTERNATIVES+= \
          100:/usr/bin/ssh:/usr/sbin/dropbear,)
 
@@ -146,7 +148,7 @@ endef
 define Build/Compile
        +$(MAKE) $(PKG_JOBS) -C $(PKG_BUILD_DIR) \
                $(TARGET_CONFIGURE_OPTS) \
-               PROGRAMS="dropbear $(if $(CONFIG_DROPBEAR_DBCLIENT),dbclient,) dropbearkey scp" \
+               PROGRAMS="dropbear $(if $(CONFIG_DROPBEAR_DBCLIENT),dbclient,) dropbearkey $(if $(CONFIG_DROPBEAR_SCP),scp,)" \
                MULTI=1 SCPPROGRESS=1
        +$(MAKE) $(PKG_JOBS) -C $(PKG_BUILD_DIR) \
                $(TARGET_CONFIGURE_OPTS) \