Disable Boost.JSON tests on gcc-4.9

.github/workflows/ci.yml

@@ -185,18 +185,24 @@ jobs:
           - toolset: clang
             compiler: clang++-20
             cxxstd: "11,14,17,20,23,2c"
-            container: ubuntu:25.04
+            container: ubuntu:24.04
             os: ubuntu-latest
             install: clang-20
           - toolset: clang
-            cxxstd: "11,14,17,20,2b"
-            os: macos-13
+            compiler: clang++-21
+            cxxstd: "11,14,17,20,23,2c"
+            container: ubuntu:25.10
+            os: ubuntu-latest
+            install: clang-21
           - toolset: clang
             cxxstd: "11,14,17,20,2b"
             os: macos-14
           - toolset: clang
-            cxxstd: "11,14,17,20,2b"
+            cxxstd: "11,14,17,20,23,2c"
             os: macos-15
+          - toolset: clang
+            cxxstd: "11,14,17,20,23,2c"
+            os: macos-26
 
     runs-on: ${{matrix.os}}
 
@@ -322,9 +328,9 @@ jobs:
         include:
           - os: ubuntu-22.04
           - os: ubuntu-24.04
-          - os: macos-13
           - os: macos-14
           - os: macos-15
+          - os: macos-26
 
     runs-on: ${{matrix.os}}
 
@@ -370,9 +376,9 @@ jobs:
         include:
           - os: ubuntu-22.04
           - os: ubuntu-24.04
-          - os: macos-13
           - os: macos-14
           - os: macos-15
+          - os: macos-26
 
     runs-on: ${{matrix.os}}
 
@@ -428,9 +434,9 @@ jobs:
         include:
           - os: ubuntu-22.04
           - os: ubuntu-24.04
-          - os: macos-13
           - os: macos-14
           - os: macos-15
+          - os: macos-26
 
     runs-on: ${{matrix.os}}
 

CMakeLists.txt

@@ -19,7 +19,7 @@ target_link_libraries(boost_variant2
     Boost::mp11
 )
 
-if(CMAKE_VERSION VERSION_GREATER 3.18 AND CMAKE_GENERATOR MATCHES "Visual Studio")
+if(NOT CMAKE_VERSION VERSION_LESS 3.19 AND CMAKE_GENERATOR MATCHES "Visual Studio")
 
   file(GLOB_RECURSE boost_variant2_IDEFILES CONFIGURE_DEPENDS include/*.hpp)
   source_group(TREE ${PROJECT_SOURCE_DIR}/include FILES ${boost_variant2_IDEFILES} PREFIX "Header Files")

doc/variant2/changelog.adoc

@@ -8,6 +8,11 @@ https://www.boost.org/LICENSE_1_0.txt
 # Revision History
 :idprefix: changelog_
 
+## Changes in 1.90.0
+
+* More functions have been marked as `constexpr`, including `~variant`.
+  This didn't matter before {cpp}20, but does now.
+
 ## Changes in 1.88.0
 
 * Use the smallest appropriate unsigned type for the index.

test/Jamfile

@@ -131,7 +131,13 @@ run variant_visit_by_index.cpp ;
 run variant_ostream_insert.cpp ;
 run is_output_streamable.cpp ;
 
-local JSON = <library>/boost/json//boost_json/<warnings>off "<toolset>msvc-14.0:<build>no" "<toolset>msvc-14.2:<cxxflags>-wd5104" "<undefined-sanitizer>norecover:<link>static" ;
+local JSON =
+    <library>/boost/json//boost_json/<warnings>off
+    "<toolset>msvc-14.0:<build>no"
+    "<toolset>msvc-14.2:<cxxflags>-wd5104"
+    "<undefined-sanitizer>norecover:<link>static"
+    "<toolset>gcc-4.9:<build>no"
+    ;
 
 run variant_json_value_from.cpp : : : $(JSON) ;
 run variant_json_value_to.cpp : : : $(JSON) ;

test/variant_copy_assign_throw.cpp

@@ -45,7 +45,7 @@ void test()
     variant<Y1, Y2> v1( in_place_type_t<Y1>{} );
     variant<Y1, Y2> v2( in_place_type_t<Y2>{} );
 
-    BOOST_TEST_THROWS( v1 = v2, std::runtime_error )
+    BOOST_TEST_THROWS( v1 = v2, std::runtime_error );
 }
 
 int main()

test/variant_move_assign_throw.cpp

@@ -45,7 +45,7 @@ void test()
     variant<Y1, Y2> v1( in_place_type_t<Y1>{} );
     variant<Y1, Y2> v2( in_place_type_t<Y2>{} );
 
-    BOOST_TEST_THROWS( v1 = std::move( v2 ), std::runtime_error )
+    BOOST_TEST_THROWS( v1 = std::move( v2 ), std::runtime_error );
 }
 
 int main()