Support GCC 11

.github/workflows/ci.yml

@@ -40,18 +40,19 @@ jobs:
           - name: linux64_gcc
             os: ubuntu-22.04
             build_type: Release
-            env_cc: gcc-12
-            env_cxx: g++-12
+            env_cc: gcc-11
+            env_cxx: g++-11
             compiler: gcc
             qt_version: 6.4.2
             qt_arch: gcc_64
             qt_tools: ''
             conan_arch: x86_64
             conan_compiler: gcc
-            conan_compiler_version: 12
+            conan_compiler_version: 11
             conan_compiler_runtime: ''
             conan_package_manager: --conf tools.system.package_manager:mode=install --conf tools.system.package_manager:sudo=True
             artifact_suffix: linux-x64
+    name: ${{ matrix.name }}
     env:
       CC: ${{ matrix.env_cc }}
       CXX: ${{ matrix.env_cxx }}

README.md

@@ -19,6 +19,5 @@ Supercell Wx supports the following 64-bit operating systems:
 - Windows 11
 - Linux
   - Ubuntu 22.04+
-  - Red Hat 8.4+
-  - openSUSE 15.4+
-  - Similar environments may be compatible
+  - Fedora Linux 34+
+  - Most distributions supporting the GCC Standard C++ Library 11+

wxdata/source/scwx/provider/aws_level2_data_provider.cpp

@@ -71,7 +71,7 @@ AwsLevel2DataProvider::GetTimePointFromKey(const std::string& key)
       (lastSeparator == std::string::npos) ? 0 : lastSeparator + 5;
 
    // Filename format is GGGGYYYYMMDD_TTTTTT(_V##).gz
-   static constexpr size_t formatSize = std::string("YYYYMMDD_TTTTTT").size();
+   static const size_t formatSize = std::string("YYYYMMDD_TTTTTT").size();
 
    if (key.size() >= offset + formatSize)
    {

wxdata/source/scwx/provider/aws_level3_data_provider.cpp

@@ -96,8 +96,7 @@ AwsLevel3DataProvider::GetTimePointFromKey(const std::string& key)
    constexpr size_t offset = 8;
 
    // Filename format is GGG_PPP_YYYY_MM_DD_HH_MM_SS
-   static constexpr size_t formatSize =
-      std::string("YYYY_MM_DD_HH_MM_SS").size();
+   static const size_t formatSize = std::string("YYYY_MM_DD_HH_MM_SS").size();
 
    if (key.size() >= offset + formatSize)
    {

wxdata/source/scwx/wsr88d/level3_file.cpp

@@ -4,6 +4,7 @@
 #include <scwx/util/logger.hpp>
 
 #include <fstream>
+#include <sstream>
 
 #if defined(_MSC_VER)
 #   pragma warning(push)

wxdata/source/scwx/wsr88d/rpg/graphic_product_message.cpp

@@ -3,6 +3,7 @@
 #include <scwx/util/rangebuf.hpp>
 
 #include <istream>
+#include <sstream>
 #include <string>
 
 #if defined(__GNUC__)