Repository: conan-io/conan

Issue:
[bug] QCC compiler is missing cppstd
The QCC compiler is missing the cppstd setting
[feature] Update qcc to latest version
Update qcc to support 8.3 and c++17.

- [x] I've read the [CONTRIBUTING guide](https://github.com/conan-io/conan/blob/develop/.github/CONTRIBUTING.md).



Discussion:

Resolving patch:
diff --git a/conans/client/conf/__init__.py b/conans/client/conf/__init__.py
--- a/conans/client/conf/__init__.py
+++ b/conans/client/conf/__init__.py
@@ -102,8 +102,9 @@
                 apple-clang:
                     <<: *apple_clang
         qcc:
-            version: ["4.4", "5.4"]
+            version: ["4.4", "5.4", "8.3"]
             libcxx: [cxx, gpp, cpp, cpp-ne, accp, acpp-ne, ecpp, ecpp-ne]
+            cppstd: [None, 98, gnu98, 11, gnu11, 14, gnu14, 17, gnu17]
 
     build_type: [None, Debug, Release, RelWithDebInfo, MinSizeRel]
 
diff --git a/conans/client/migrations_settings.py b/conans/client/migrations_settings.py
--- a/conans/client/migrations_settings.py
+++ b/conans/client/migrations_settings.py
@@ -1304,4 +1304,100 @@
 settings_1_27_0 = settings_1_26_1
 settings_1_27_1 = settings_1_27_0
 
-settings_1_28_0 = settings_1_27_1
+settings_1_28_0 = """
+# Only for cross building, 'os_build/arch_build' is the system that runs Conan
+os_build: [Windows, WindowsStore, Linux, Macos, FreeBSD, SunOS, AIX]
+arch_build: [x86, x86_64, ppc32be, ppc32, ppc64le, ppc64, armv5el, armv5hf, armv6, armv7, armv7hf, armv7s, armv7k, armv8, armv8_32, armv8.3, sparc, sparcv9, mips, mips64, avr, s390, s390x, sh4le]
+
+# Only for building cross compilation tools, 'os_target/arch_target' is the system for
+# which the tools generate code
+os_target: [Windows, Linux, Macos, Android, iOS, watchOS, tvOS, FreeBSD, SunOS, AIX, Arduino, Neutrino]
+arch_target: [x86, x86_64, ppc32be, ppc32, ppc64le, ppc64, armv5el, armv5hf, armv6, armv7, armv7hf, armv7s, armv7k, armv8, armv8_32, armv8.3, sparc, sparcv9, mips, mips64, avr, s390, s390x, asm.js, wasm, sh4le]
+
+# Rest of the settings are "host" settings:
+# - For native building/cross building: Where the library/program will run.
+# - For building cross compilation tools: Where the cross compiler will run.
+os:
+    Windows:
+        subsystem: [None, cygwin, msys, msys2, wsl]
+    WindowsStore:
+        version: ["8.1", "10.0"]
+    WindowsCE:
+        platform: ANY
+        version: ["5.0", "6.0", "7.0", "8.0"]
+    Linux:
+    Macos:
+        version: [None, "10.6", "10.7", "10.8", "10.9", "10.10", "10.11", "10.12", "10.13", "10.14", "10.15"]
+    Android:
+        api_level: ANY
+    iOS:
+        version: ["7.0", "7.1", "8.0", "8.1", "8.2", "8.3", "9.0", "9.1", "9.2", "9.3", "10.0", "10.1", "10.2", "10.3", "11.0", "11.1", "11.2", "11.3", "11.4", "12.0", "12.1", "12.2", "12.3", "12.4", "13.0", "13.1"]
+    watchOS:
+        version: ["4.0", "4.1", "4.2", "4.3", "5.0", "5.1", "5.2", "5.3", "6.0", "6.1"]
+    tvOS:
+        version: ["11.0", "11.1", "11.2", "11.3", "11.4", "12.0", "12.1", "12.2", "12.3", "12.4", "13.0"]
+    FreeBSD:
+    SunOS:
+    AIX:
+    Arduino:
+        board: ANY
+    Emscripten:
+    Neutrino:
+        version: ["6.4", "6.5", "6.6", "7.0"]
+arch: [x86, x86_64, ppc32be, ppc32, ppc64le, ppc64, armv4, armv4i, armv5el, armv5hf, armv6, armv7, armv7hf, armv7s, armv7k, armv8, armv8_32, armv8.3, sparc, sparcv9, mips, mips64, avr, s390, s390x, asm.js, wasm, sh4le]
+compiler:
+    sun-cc:
+        version: ["5.10", "5.11", "5.12", "5.13", "5.14", "5.15"]
+        threads: [None, posix]
+        libcxx: [libCstd, libstdcxx, libstlport, libstdc++]
+    gcc: &gcc
+        version: ["4.1", "4.4", "4.5", "4.6", "4.7", "4.8", "4.9",
+                  "5", "5.1", "5.2", "5.3", "5.4", "5.5",
+                  "6", "6.1", "6.2", "6.3", "6.4", "6.5",
+                  "7", "7.1", "7.2", "7.3", "7.4", "7.5",
+                  "8", "8.1", "8.2", "8.3", "8.4",
+                  "9", "9.1", "9.2", "9.3",
+                  "10", "10.1"]
+        libcxx: [libstdc++, libstdc++11]
+        threads: [None, posix, win32] #  Windows MinGW
+        exception: [None, dwarf2, sjlj, seh] # Windows MinGW
+        cppstd: [None, 98, gnu98, 11, gnu11, 14, gnu14, 17, gnu17, 20, gnu20]
+    Visual Studio: &visual_studio
+        runtime: [MD, MT, MTd, MDd]
+        version: ["8", "9", "10", "11", "12", "14", "15", "16"]
+        toolset: [None, v90, v100, v110, v110_xp, v120, v120_xp,
+                  v140, v140_xp, v140_clang_c2, LLVM-vs2012, LLVM-vs2012_xp,
+                  LLVM-vs2013, LLVM-vs2013_xp, LLVM-vs2014, LLVM-vs2014_xp,
+                  LLVM-vs2017, LLVM-vs2017_xp, v141, v141_xp, v141_clang_c2, v142]
+        cppstd: [None, 14, 17, 20]
+    clang:
+        version: ["3.3", "3.4", "3.5", "3.6", "3.7", "3.8", "3.9", "4.0",
+                  "5.0", "6.0", "7.0", "7.1",
+                  "8", "9", "10"]
+        libcxx: [libstdc++, libstdc++11, libc++, c++_shared, c++_static]
+        cppstd: [None, 98, gnu98, 11, gnu11, 14, gnu14, 17, gnu17, 20, gnu20]
+    apple-clang: &apple_clang
+        version: ["5.0", "5.1", "6.0", "6.1", "7.0", "7.3", "8.0", "8.1", "9.0", "9.1", "10.0", "11.0"]
+        libcxx: [libstdc++, libc++]
+        cppstd: [None, 98, gnu98, 11, gnu11, 14, gnu14, 17, gnu17, 20, gnu20]
+    intel:
+        version: ["11", "12", "13", "14", "15", "16", "17", "18", "19", "19.1"]
+        base:
+            gcc:
+                <<: *gcc
+                threads: [None]
+                exception: [None]
+            Visual Studio:
+                <<: *visual_studio
+            apple-clang:
+                <<: *apple_clang
+    qcc:
+        version: ["4.4", "5.4", "8.3"]
+        libcxx: [cxx, gpp, cpp, cpp-ne, accp, acpp-ne, ecpp, ecpp-ne]
+        cppstd: [None, 98, gnu98, 11, gnu11, 14, gnu14, 17, gnu17]
+
+build_type: [None, Debug, Release, RelWithDebInfo, MinSizeRel]
+
+
+cppstd: [None, 98, gnu98, 11, gnu11, 14, gnu14, 17, gnu17, 20, gnu20]  # Deprecated, use compiler.cppstd
+"""


Test patch: