Formally set version and testing to C++ 11

Author: leethomason

.github/workflows/test.yml

@@ -40,7 +40,7 @@ jobs:
 
       # Static Debug
       - name: "Static Debug: Configure"
-        run: cmake -G Ninja -S . -B build-static-dbg -DCMAKE_BUILD_TYPE=Debug "-DCMAKE_DEBUG_POSTFIX=d${{matrix.static_postfix}}"
+        run: cmake -G Ninja -S . -B build-static-dbg -DCMAKE_BUILD_TYPE=Debug "-DCMAKE_DEBUG_POSTFIX=d${{matrix.static_postfix}}" -DCMAKE_CXX_STANDARD=11 -DCMAKE_CXX_STANDARD_REQUIRED=ON
       - name: "Static Debug: Build"
         run: cmake --build build-static-dbg
       - name: "Static Debug: Test"
@@ -49,7 +49,7 @@ jobs:
 
       # Shared Debug
       - name: "Shared Debug: Configure"
-        run: cmake -G Ninja -S . -B build-shared-dbg -DCMAKE_BUILD_TYPE=Debug -DCMAKE_DEBUG_POSTFIX=d -DBUILD_SHARED_LIBS=ON
+        run: cmake -G Ninja -S . -B build-shared-dbg -DCMAKE_BUILD_TYPE=Debug -DCMAKE_DEBUG_POSTFIX=d -DBUILD_SHARED_LIBS=ON -DCMAKE_CXX_STANDARD=11 -DCMAKE_CXX_STANDARD_REQUIRED=ON
       - name: "Shared Debug: Build"
         run: cmake --build build-shared-dbg
       - name: "Shared Debug: Test"
@@ -58,7 +58,7 @@ jobs:
 
       # Static Release
       - name: "Static Release: Configure"
-        run: cmake -G Ninja -S . -B build-static-rel -DCMAKE_BUILD_TYPE=Release "-DCMAKE_RELEASE_POSTFIX=${{matrix.static_postfix}}"
+        run: cmake -G Ninja -S . -B build-static-rel -DCMAKE_BUILD_TYPE=Release "-DCMAKE_RELEASE_POSTFIX=${{matrix.static_postfix}}" -DCMAKE_CXX_STANDARD=11 -DCMAKE_CXX_STANDARD_REQUIRED=ON
       - name: "Static Release: Build"
         run: cmake --build build-static-rel
       - name: "Static Release: Test"
@@ -67,7 +67,7 @@ jobs:
 
       # Shared Release
       - name: "Shared Release: Configure"
-        run: cmake -G Ninja -S . -B build-shared-rel -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=ON
+        run: cmake -G Ninja -S . -B build-shared-rel -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=ON -DCMAKE_CXX_STANDARD=11 -DCMAKE_CXX_STANDARD_REQUIRED=ON
       - name: "Shared Release: Build"
         run: cmake --build build-shared-rel
       - name: "Shared Release: Test"
@@ -89,23 +89,23 @@ jobs:
         run: >-
           ctest --build-and-test test test-static-dbg
           --build-generator Ninja
-          --build-options -DCMAKE_BUILD_TYPE=Debug -Dtinyxml2_SHARED_LIBS=NO -DCMAKE_PREFIX_PATH=${{github.workspace}}/install
+          --build-options -DCMAKE_BUILD_TYPE=Debug -Dtinyxml2_SHARED_LIBS=NO -DCMAKE_PREFIX_PATH=${{github.workspace}}/install -DCMAKE_CXX_STANDARD=11 -DCMAKE_CXX_STANDARD_REQUIRED=ON
           --test-command ctest --output-on-failure
       - name: "Test find_package: Static Release"
         run: >-
           ctest --build-and-test test test-static-rel
           --build-generator Ninja
-          --build-options -DCMAKE_BUILD_TYPE=Release -Dtinyxml2_SHARED_LIBS=NO -DCMAKE_PREFIX_PATH=${{github.workspace}}/install
+          --build-options -DCMAKE_BUILD_TYPE=Release -Dtinyxml2_SHARED_LIBS=NO -DCMAKE_PREFIX_PATH=${{github.workspace}}/install -DCMAKE_CXX_STANDARD=11 -DCMAKE_CXX_STANDARD_REQUIRED=ON
           --test-command ctest --output-on-failure
       - name: "Test find_package: Shared Debug"
         run: >-
           ctest --build-and-test test test-shared-dbg
           --build-generator Ninja
-          --build-options -DCMAKE_BUILD_TYPE=Debug -Dtinyxml2_SHARED_LIBS=YES -DCMAKE_PREFIX_PATH=${{github.workspace}}/install
+          --build-options -DCMAKE_BUILD_TYPE=Debug -Dtinyxml2_SHARED_LIBS=YES -DCMAKE_PREFIX_PATH=${{github.workspace}}/install -DCMAKE_CXX_STANDARD=11 -DCMAKE_CXX_STANDARD_REQUIRED=ON
           --test-command ctest --output-on-failure
       - name: "Test find_package: Shared Release"
         run: >-
           ctest --build-and-test test test-shared-rel
           --build-generator Ninja
-          --build-options -DCMAKE_BUILD_TYPE=Release -Dtinyxml2_SHARED_LIBS=YES -DCMAKE_PREFIX_PATH=${{github.workspace}}/install
+          --build-options -DCMAKE_BUILD_TYPE=Release -Dtinyxml2_SHARED_LIBS=YES -DCMAKE_PREFIX_PATH=${{github.workspace}}/install -DCMAKE_CXX_STANDARD=11 -DCMAKE_CXX_STANDARD_REQUIRED=ON
           --test-command ctest --output-on-failure

CMakeLists.txt

@@ -22,8 +22,8 @@ set(CMAKE_VISIBILITY_INLINES_HIDDEN YES)
 add_library(tinyxml2 tinyxml2.cpp tinyxml2.h)
 add_library(tinyxml2::tinyxml2 ALIAS tinyxml2)
 
-# Uncomment the following line to require C++11 (or greater) to use tinyxml2
-# target_compile_features(tinyxml2 PUBLIC cxx_std_11)
+# Require C++11 (or greater) to use tinyxml2
+target_compile_features(tinyxml2 PUBLIC cxx_std_11)
 target_include_directories(tinyxml2 PUBLIC "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>")
 
 target_compile_definitions(

readme.md

@@ -5,6 +5,8 @@
 TinyXML-2 is a simple, small, efficient, C++ XML parser that can be
 easily integrated into other programs.
 
+It is written in C++ 11 and does not use any Standard Library (std::) features.
+
 The master is hosted on GitHub:
 https://github.com/leethomason/tinyxml2