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dropbear: allow disabling support for scp

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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>
This commit is contained in:
Rui Salvaterra 2020-08-15 11:10:22 +01:00 committed by Hans Dedecker
parent ebf71533f9
commit 763ce13b0b
2 changed files with 10 additions and 4 deletions
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4
package/network/services/dropbear/Config.in
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@ -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

10
package/network/services/dropbear/Makefile
View File

@ -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) \