Improve build process by using CMake.

.gitignore

+.idea/
 bin/
+lib/
+*.cmake
+CMakeCache.txt
+CMakeFiles/
+Makefile
\ No newline at end of file

CMakeLists.txt

+cmake_minimum_required (VERSION 2.8.11)
+project (PRRT)
+
+set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
+set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
+
+add_subdirectory(prrt)
+add_library(PRRT prrt/prrt_socket.c)
+
+add_executable(sender sender.c)
+add_executable(receiver receiver.c)
+target_link_libraries(sender LINK_PUBLIC PRRT)
+target_link_libraries(receiver LINK_PUBLIC PRRT)
\ No newline at end of file

Makefile

-CC=gcc
-CFLAGS=-I
-
-all:
-	$(CC) -o ./bin/sender prrt/prrt_socket.c sender.c -Wall
-	$(CC) -o ./bin/receiver prrt/prrt_socket.c receiver.c -Wall

prrt/CMakeLists.txt

+cmake_minimum_required (VERSION 2.8.11)
+project (libprrt)
+