remove submodules cxxopts

Author: NikolasK-source

.gitmodules

@@ -1,3 +0,0 @@
-[submodule "libs/cxxopts"]
-	path = libs/cxxopts
-	url = https://github.com/NikolasK-source/cxxopts.git

libs/CMakeLists.txt

@@ -2,19 +2,19 @@
 # ======================================================================================================================
 find_package(cxxshm REQUIRED)
 find_package(cxxsemaphore REQUIRED)
+find_package(cxxopts REQUIRED)
 
 # ---------------------------------------- external libs ---------------------------------------------------------------
 # ======================================================================================================================
 find_library(modbus_library modbus)
 
 # ---------------------------------------- subdirectories --------------------------------------------------------------
 # ======================================================================================================================
-add_subdirectory(cxxopts EXCLUDE_FROM_ALL)
 
 # ---------------------------------------- link libraries --------------------------------------------------------------
 # ======================================================================================================================
 target_link_libraries(${Target} PRIVATE ${modbus_library})
 target_link_libraries(${Target} PRIVATE rt)
-target_link_libraries(${Target} PRIVATE cxxopts)
+target_link_libraries(${Target} PRIVATE INTERFACE cxxopts)
 target_link_libraries(${Target} PRIVATE cxxshm)
 target_link_libraries(${Target} PRIVATE cxxsemaphore)

libs/cxxopts

@@ -193,7 +193,7 @@ int main(int argc, char **argv) {
     cxxopts::ParseResult args;
     try {
         args = options.parse(argc, argv);
-    } catch (cxxopts::OptionParseException &e) {
+    } catch (cxxopts::exceptions::parsing::exception &e) {
         std::cerr << Print_Time::iso << " ERROR: Failed to parse arguments: " << e.what() << ".'\n";
         return exit_usage();
     }