Increase MSVC compiler heap size to /Zm3200 (4x default)

jll63 · claude · jll63 · commit d5c9f3a41db3 · 2026-06-02T07:53:14.000-04:00
Double the heap allocation from /Zm1600 to /Zm3200 to provide even more
headroom for complex template instantiations in both CMake and b2 builds.
This ensures robust compilation on systems with limited resources.

Co-Authored-By: Claude Sonnet 4.6 &lt;noreply@anthropic.com&gt;
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
@@ -37,7 +37,7 @@ if (BOOST_OPENMETHOD_WARNINGS_AS_ERRORS)
             set(BOOST_OPENMETHOD_TEST_FLAGS "-Wall -Werror")
         endif()
     elseif (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC" OR CMAKE_CXX_COMPILER_FRONTEND_VARIANT MATCHES "MSVC")
-        set(BOOST_OPENMETHOD_TEST_FLAGS "/W4 /WX /we4265 /wd4251 /Zm1600")
+        set(BOOST_OPENMETHOD_TEST_FLAGS "/W4 /WX /we4265 /wd4251 /Zm3200")
     endif()
 
     # Print test configuration if running in CI
diff --git a/test/Jamfile b/test/Jamfile
@@ -26,7 +26,7 @@ project
     <toolset>clang:<warnings-as-errors>on
     <toolset>gcc:<warnings-as-errors>on
     <toolset>msvc:<warnings-as-errors>on
-    <toolset>msvc:<cxxflags>/Zm1600
+    <toolset>msvc:<cxxflags>/Zm3200
   ;
 
 alias unit_test_framework

Original file line number	Diff line number	Diff line change
`@@ -26,7 +26,7 @@ project`
`26`	`26`	`<toolset>clang:<warnings-as-errors>on`
`27`	`27`	`<toolset>gcc:<warnings-as-errors>on`
`28`	`28`	`<toolset>msvc:<warnings-as-errors>on`
`29`		`- <toolset>msvc:<cxxflags>/Zm1600`
	`29`	`+ <toolset>msvc:<cxxflags>/Zm3200`
`30`	`30`	`;`
`31`	`31`
`32`	`32`	`alias unit_test_framework`