splunk-opentelemetry-cpp: require C++14

recipes/splunk-opentelemetry-cpp/all/conanfile.py

@@ -5,6 +5,7 @@
 from conan.tools.build import check_min_cppstd
 from conan.tools.cmake import CMake, CMakeDeps, CMakeToolchain, cmake_layout
 from conan.tools.files import copy, get, rmdir, export_conandata_patches, apply_conandata_patches
+from conan.tools.scm import Version
 
 required_conan_version = ">=1.53.0"
 
@@ -29,6 +30,20 @@ class SplunkOpentelemetryConan(ConanFile):
         "fPIC": True,
         "build_jaeger_exporter": True,
     }
+    @property
+    def _min_cppstd(self):
+        return 14
+
+    @property
+    def _compilers_minimum_version(self):
+        return {
+            "gcc": "6",
+            "clang": "5",
+            "apple-clang": "10",
+            "Visual Studio": "16",
+            "msvc": "192",
+        }
+
 
     def export_sources(self):
         export_conandata_patches(self)
@@ -53,13 +68,19 @@ def requirements(self):
             self.requires("libcurl/[>=7.78.0 <9]")
 
     def validate(self):
-        if self.settings.compiler.get_safe("cppstd"):
-            check_min_cppstd(self, 11)
         if self.settings.arch != "x86_64":
-            raise ConanInvalidConfiguration("Architecture not supported")
+            raise ConanInvalidConfiguration(f"{self.settings.arch} architecture not supported")
         if self.options.build_jaeger_exporter and not self.dependencies["opentelemetry-cpp"].options.get_safe("with_jaeger"):
             raise ConanInvalidConfiguration("Cannot build Jaeger exporter without with_jaeger=True in opentelemetry-cpp")
 
+        if self.settings.compiler.cppstd:
+            check_min_cppstd(self, self._min_cppstd)
+        minimum_version = self._compilers_minimum_version.get(str(self.settings.compiler), False)
+        if minimum_version and Version(self.settings.compiler.version) < minimum_version:
+            raise ConanInvalidConfiguration(
+                f"{self.ref} requires C++{self._min_cppstd}, which your compiler does not support."
+            )
+
     def source(self):
         get(self, **self.conan_data["sources"][self.version], strip_root=True)
 

recipes/splunk-opentelemetry-cpp/all/test_package/CMakeLists.txt

@@ -1,9 +1,8 @@
 cmake_minimum_required(VERSION 3.15)
 project(test_package CXX)
 
-set(CMAKE_CXX_STANDARD 11)
-
 find_package(SplunkOpenTelemetry CONFIG REQUIRED)
 
 add_executable(test_package test_package.cpp)
 target_link_libraries(test_package SplunkOpenTelemetry::SplunkOpenTelemetry)
+target_compile_features(${PROJECT_NAME} PRIVATE cxx_std_14)