From 75625af541fd128f51079d0ffe5ef24645b8f421 Mon Sep 17 00:00:00 2001
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From: Darik Horn <dajhorn@vanadac.com>
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Date: Sun, 13 Apr 2014 12:51:15 -0400
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Subject: [PATCH] Create libsoftether.so and dynamically link the userland.
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Sharing object code between vpnbridge, vpnclient, vpnserver, and vpncmd
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reduces the binary size of SoftEther by 85% and its administrative memory
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footprint by 50%.
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[Upstream commit https://github.com/dajhorn/SoftEtherVPN/commit/75625af541fd128f51079d0ffe5ef24645b8f421]
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Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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---
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configure.ac | 1 +
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src/Makefile.am | 7 +++++--
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src/libsoftether/Makefile.am | 34 ++++++++++++++++++++++++++++++++++
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src/vpnbridge/Makefile.am | 3 +--
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src/vpnclient/Makefile.am | 3 +--
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src/vpncmd/Makefile.am | 3 +--
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src/vpnserver/Makefile.am | 3 +--
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7 files changed, 44 insertions(+), 10 deletions(-)
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create mode 100644 src/libsoftether/Makefile.am
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diff --git a/configure.ac b/configure.ac
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index 4a3fc2ba..94639c44 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -30,6 +30,7 @@ AC_CONFIG_FILES([
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src/Mayaqua/Makefile
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src/Cedar/Makefile
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src/hamcorebuilder/Makefile
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+ src/libsoftether/Makefile
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src/bin/hamcore/Makefile
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src/vpnserver/Makefile
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src/vpnclient/Makefile
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diff --git a/src/Makefile.am b/src/Makefile.am
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index dc745426..1d041d47 100644
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--- a/src/Makefile.am
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+++ b/src/Makefile.am
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@@ -22,5 +22,8 @@ SUBDIRS = Mayaqua Cedar
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# This is a nodist helper.
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SUBDIRS += hamcorebuilder
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-# These are final build products.
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-SUBDIRS += bin/hamcore vpnserver vpnclient vpnbridge vpncmd
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+# These are shared components.
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+SUBDIRS += libsoftether bin/hamcore
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+
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+# These are the final build products.
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+SUBDIRS += vpnserver vpnclient vpnbridge vpncmd
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diff --git a/src/libsoftether/Makefile.am b/src/libsoftether/Makefile.am
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new file mode 100644
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index 00000000..601920d9
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--- /dev/null
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+++ b/src/libsoftether/Makefile.am
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@@ -0,0 +1,34 @@
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+# Copyright 2014 Darik Horn <dajhorn@vanadac.com>
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+#
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+# This file is part of SoftEther.
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+#
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+# SoftEther is free software: you can redistribute it and/or modify it under
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+# the terms of the GNU General Public License as published by the Free
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+# Software Foundation, either version 2 of the License, or (at your option)
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+# any later version.
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+#
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+# SoftEther is distributed in the hope that it will be useful, but WITHOUT ANY
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+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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+# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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+# details.
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+#
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+# You should have received a copy of the GNU General Public License along with
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+# SoftEther. If not, see <http://www.gnu.org/licenses/>.
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+
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+
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+include $(top_srcdir)/autotools/softether.am
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+
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+lib_LTLIBRARIES = \
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+ libsoftether.la
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+
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+libsoftether_la_SOURCES =
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+
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+libsoftether_la_LDFLAGS = \
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+ -avoid-version
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+
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+libsoftether_la_LIBTOOLFLAGS = \
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+ --tag=disable-static
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+
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+libsoftether_la_LIBADD = \
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+ $(top_builddir)/src/Mayaqua/libmayaqua.la \
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+ $(top_builddir)/src/Cedar/libcedar.la
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diff --git a/src/vpnbridge/Makefile.am b/src/vpnbridge/Makefile.am
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index 35fe043d..fb91dd2d 100644
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--- a/src/vpnbridge/Makefile.am
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+++ b/src/vpnbridge/Makefile.am
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@@ -25,5 +25,4 @@ vpnbridge_SOURCES = \
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vpnbridge.c
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vpnbridge_LDADD = \
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- $(top_builddir)/src/Mayaqua/libmayaqua.la \
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- $(top_builddir)/src/Cedar/libcedar.la
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+ $(top_builddir)/src/libsoftether/libsoftether.la
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diff --git a/src/vpnclient/Makefile.am b/src/vpnclient/Makefile.am
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index 1aa55330..c225c416 100644
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--- a/src/vpnclient/Makefile.am
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+++ b/src/vpnclient/Makefile.am
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@@ -25,5 +25,4 @@ vpnclient_SOURCES = \
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vpncsvc.c
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vpnclient_LDADD = \
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- $(top_builddir)/src/Mayaqua/libmayaqua.la \
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- $(top_builddir)/src/Cedar/libcedar.la
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+ $(top_builddir)/src/libsoftether/libsoftether.la
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diff --git a/src/vpncmd/Makefile.am b/src/vpncmd/Makefile.am
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index d8042aa2..271affb0 100644
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--- a/src/vpncmd/Makefile.am
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+++ b/src/vpncmd/Makefile.am
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@@ -25,5 +25,4 @@ vpncmd_SOURCES = \
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vpncmd.c
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vpncmd_LDADD = \
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- $(top_builddir)/src/Mayaqua/libmayaqua.la \
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- $(top_builddir)/src/Cedar/libcedar.la
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+ $(top_builddir)/src/libsoftether/libsoftether.la
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diff --git a/src/vpnserver/Makefile.am b/src/vpnserver/Makefile.am
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index c1c33570..1f7b7f98 100644
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--- a/src/vpnserver/Makefile.am
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+++ b/src/vpnserver/Makefile.am
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@@ -25,5 +25,4 @@ vpnserver_SOURCES = \
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vpnserver.c
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vpnserver_LDADD = \
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- $(top_builddir)/src/Mayaqua/libmayaqua.la \
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- $(top_builddir)/src/Cedar/libcedar.la
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+ $(top_builddir)/src/libsoftether/libsoftether.la
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