build: update the recipe for the new conan-centre recipes

* Use `cmake_find_paths` generator
* Use catch2 rather than the old package

Author: progician

CMakeLists.txt

@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.13)
 project(SemVer VERSION 0.1.0)
 
-message(STATUS "prefix path: ${CMAKE_PREFIX_PATH}")
+set(CMAKE_MODULE_PATH "${PROJECT_BINARY_DIR};${CMAKE_MODULE_PATH}")
 
 configure_file(include/SemVer/VersionNumbers.h.in include/SemVer/VersionNumbers.h)
 add_library(SemVer)
@@ -24,6 +24,7 @@ option(ENABLE_UNITTESTS_IN_BUILD "Build and run the unit tests as part of the bu
 if (ENABLE_UNITTESTS)
     find_package(Catch2 REQUIRED)
     add_library(CatchTestMain OBJECT src/CatchTestMain.cpp)
+    target_compile_features(CatchTestMain PUBLIC cxx_std_14)
     target_link_libraries(CatchTestMain PUBLIC Catch2::Catch2)
 
     if (ENABLE_UNITTESTS_IN_BUILD)

conanfile.py

@@ -18,9 +18,9 @@ class SemVer(ConanFile):
     version = _get_version()
     license = "General Public License 2.0"
 
-    generators = "cmake_paths"
+    generators = "cmake_find_package"
     settings = "os", "arch", "compiler", "build_type"
-    build_requires = "Catch2/[^2.6.0]@catchorg/stable"
+    build_requires = "catch2/[^2.6.0]"
 
     options = {
         "shared": [True, False],

src/VersionRange.cpp

@@ -96,7 +96,7 @@ namespace SemVer {
           pos != std::string::npos;
           lp = pos + delim.size(), pos = str.find(delim, lp)
       ) {
-        std::string const part = str.substr(lp, pos - lp);
+        auto const part = str.substr(lp, pos - lp);
         result.push_back(part);
       }
       result.push_back(str.substr(lp));