Upgrade range-v3 and make usage optional via conformance checks (#355)

* Upgrade range-v3 and make usage optional via conformance checks

* Run pre-commit and make available on apple clang

* Apple clang 15 has full ranges support

* Pin ranges support to the one ranges proposal

Author: Twon

conanfile.py

@@ -81,7 +81,6 @@ class Morpheus(ConanFile):
         "magic_enum/0.9.5",
         "ms-gsl/4.0.0",
         "rapidjson/cci.20230929",
-        "range-v3/0.12.0",
         "scnlib/4.0.1",
     )
 
@@ -124,6 +123,15 @@ def useFMT(self):
                       (compiler == "clang" and version >= Version("19"))
         return not std_support
 
+    @property
+    def useRanges(self):
+        """ Does the current compiler version lack support for std::ranges via the STL. """
+        compiler = self.settings.compiler
+        version = Version(self.settings.compiler.version)
+        std_support = (compiler == "msvc" and version >= 193) or (compiler == "gcc" and version >= Version("10")) or \
+                      (compiler == "clang" and version >= Version("16")) or (compiler == "apple-clang" and version >= Version("15"))
+        return not std_support
+
     def config_options(self):
         if not self.checkMoldIsSupported():
             self.options.rm_safe("link_with_mold")
@@ -172,6 +180,9 @@ def requirements(self):
         if self.useFMT:
             self.requires("fmt/11.0.2", transitive_headers=True)
 
+        if self.useRanges:
+            self.requires("range-v3/cci.20240905", transitive_headers=True)
+
     def system_requirements(self):
         if self.options.get_safe("with_rs_opengl", False):
             apt = Apt(self)

libraries/core/src/morpheus/core/conformance/CMakeLists.txt

@@ -38,6 +38,14 @@ morpheus_conformance_check(
     CLANG_VERSION "19"
 )
 
+morpheus_conformance_check(
+    RESULT RANGES_SUPPORTED
+    MSVC_VERSION "19.29"
+    GNU_VERSION "10"
+    CLANG_VERSION "16"
+    APPLECLANG_VERSION "15"
+)
+
 if (NOT ${DATE_SUPPORTED})
     find_package(date REQUIRED)
 endif (NOT ${DATE_SUPPORTED})
@@ -50,7 +58,10 @@ if (NOT ${FORMAT_SUPPORTED})
     find_package(fmt REQUIRED)
 endif (NOT ${FORMAT_SUPPORTED})
 
-find_package(range-v3 REQUIRED)
+if (NOT ${RANGES_SUPPORTED})
+    find_package(range-v3 REQUIRED)
+endif (NOT ${RANGES_SUPPORTED})
+
 find_package(scn REQUIRED)
 
 # GCC 12 and later must be compiled with support for stacktrace for it to be usable: https://stackoverflow.com/questions/72341483/how-can-i-generate-a-c23-stacktrace-with-gcc-12-1
@@ -69,7 +80,7 @@ target_link_libraries(MorpheusCore
         $<$<NOT:$<BOOL:${DATE_SUPPORTED}>>:date::date>
         $<$<NOT:$<BOOL:${DATE_SUPPORTED}>>:date::date-tz>
         $<$<NOT:$<BOOL:${FORMAT_SUPPORTED}>>:fmt::fmt>
-        range-v3::range-v3
+        $<$<NOT:$<BOOL:${RANGES_SUPPORTED}>>:range-v3::range-v3>
         scn::scn
         $<$<NOT:$<BOOL:${EXPECTED_SUPPORTED}>>:tl::expected>
         $<$<AND:$<CXX_COMPILER_ID:GNU>,$<BOOL:${GCC_STACKTRACE_SUPPORTED}>,$<VERSION_GREATER_EQUAL:$<CXX_COMPILER_VERSION>,12>,$<VERSION_LESS:$<CXX_COMPILER_VERSION>,14>>:-lstdc++_libbacktrace>

libraries/core/src/morpheus/core/conformance/ranges.hpp

@@ -7,7 +7,7 @@
 #endif
 
 // clang-format off
-#if (__cpp_lib_ranges >= 202110L)
+#if (__cpp_lib_ranges >= 201911L)
 
     #include <algorithm>
     #include <iterator>