Create CMakeLists.txt file.

CMakeLists.txt

@@ -0,0 +1,12 @@
+cmake_minimum_required(VERSION 2.7)
+project(liblex)
+
+add_library(lex STATIC src/pattern.c)
+add_executable(liblex src/main.c)
+add_subdirectory(external/libds)
+
+target_include_directories(lex PUBLIC include)
+target_include_directories(liblex PUBLIC include)
+
+target_link_libraries(lex ds)
+target_link_libraries(liblex lex)

src/main.c

@@ -0,0 +1,3 @@
+int main(int argc, char** argv){
+  return 0;
+}