feat: add CMakeLists to the divide_and_conquer directory (TheAlgorithms#2072)

Author: Panquesito7

CMakeLists.txt

@@ -42,6 +42,7 @@ add_subdirectory(data_structures)
 add_subdirectory(machine_learning)
 add_subdirectory(numerical_methods)
 add_subdirectory(graph)
+add_subdirectory(divide_and_conquer)
 
 cmake_policy(SET CMP0054 NEW)
 cmake_policy(SET CMP0057 NEW)

divide_and_conquer/CMakeLists.txt

@@ -0,0 +1,18 @@
+# If necessary, use the RELATIVE flag, otherwise each source file may be listed
+# with full pathname. RELATIVE may makes it easier to extract an executable name
+# automatically.
+file( GLOB APP_SOURCES RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} *.cpp )
+# file( GLOB APP_SOURCES ${CMAKE_SOURCE_DIR}/*.c )
+# AUX_SOURCE_DIRECTORY(${CMAKE_CURRENT_SOURCE_DIR} APP_SOURCES)
+foreach( testsourcefile ${APP_SOURCES} )
+    # I used a simple string replace, to cut off .cpp.
+    string( REPLACE ".cpp" "" testname ${testsourcefile} )
+    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/divide_and_conquer")
+
+endforeach( testsourcefile ${APP_SOURCES} )