feat: add physics to CMake lists (TheAlgorithms#2481)

Author: Panquesito7

CMakeLists.txt

@@ -45,6 +45,7 @@ add_subdirectory(graph)
 add_subdirectory(divide_and_conquer)
 add_subdirectory(games)
 add_subdirectory(cpu_scheduling_algorithms)
+add_subdirectory(physics)
 
 cmake_policy(SET CMP0054 NEW)
 cmake_policy(SET CMP0057 NEW)

physics/CMakeLists.txt

@@ -0,0 +1,16 @@
+# If necessary, use the RELATIVE flag, otherwise each source file may be listed
+# with full pathname. The RELATIVE flag makes it easier to extract an executable's name
+# automatically.
+
+file( GLOB APP_SOURCES RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} *.cpp )
+foreach( testsourcefile ${APP_SOURCES} )
+    string( REPLACE ".cpp" "" testname ${testsourcefile} ) # File type. Example: `.cpp`
+    add_executable( ${testname} ${testsourcefile} )
+
+    set_target_properties(${testname} PROPERTIES LINKER_LANGUAGE CXX)
+    if(OpenMP_CXX_FOUND)
+        target_link_libraries(${testname} OpenMP::OpenMP_CXX)
+    endif()
+    install(TARGETS ${testname} DESTINATION "bin/physics") # Folder name. Do NOT include `<>`
+
+endforeach( testsourcefile ${APP_SOURCES} )