Add tmux and libevent

extra/src/lib/libevent.ecmp

@@ -0,0 +1,25 @@
+[info]
+name = libevent
+version = 2.1.12-stable
+license = BSD 3-clause
+url = https://libevent.org/
+type = src
+
+
+[files]
+libevent-2.1.12-stable.tar.gz https://github.com/libevent/libevent/releases/download/release-2.1.12-stable/libevent-2.1.12-stable.tar.gz 92e6de1be9ec176428fd2367677e61ceffc2ee1cb119035037a27d346b0403bb  
+
+[description]
+libevent is an event notification library 
+
+[dependencies]
+cmake
+
+[download]
+tar -xzf $NAME-$VERSION.tar.gz
+
+[install]
+mkdir build && cd build &&
+cmake .. -DCMAKE_INSTALL_PREFIX=/usr &&
+make &&
+make DESTDIR=$BUILD_ROOT install

extra/src/tmux.ecmp

@@ -0,0 +1,27 @@
+[info]
+name = tmux
+version = 3.5a
+license = BSD
+url = https://github.com/tmux/tmux
+type = src
+
+
+[files]
+tmux-3.5a.tar.gz https://github.com/tmux/tmux/releases/download/3.5a/tmux-3.5a.tar.gz 16216bd0877170dfcc64157085ba9013610b12b082548c7c9542cc0103198951
+
+[description]
+tmux is a terminal multiplexer: it enables a number of terminals to be created, accessed, and controlled from a single screen.
+
+[dependencies]
+libevent
+ncurses
+bison
+
+[download]
+tar -xzf $NAME-$VERSION.tar.gz
+
+[install]
+./configure --prefix=/usr
+make 
+make DESTDIR=$BUILD_ROOT install
+