cmake/fix-avoid-file-static-init.patch

From 54510486bd2378cca7cbb8d4034174a29182ca24 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Thu, 20 Jan 2022 14:06:58 -0500
Subject: [PATCH] Avoid file-level static initialization with std::vector

Fixes: #23126
---
 Source/cmFileAPIToolchains.cxx             | 41 ++++++++++------------
 Tests/CMakeLib/testCTestBinPacker.cxx      |  5 ++-
 Tests/CMakeLib/testCTestResourceGroups.cxx |  2 +-
 3 files changed, 22 insertions(+), 26 deletions(-)

diff --git a/Source/cmFileAPIToolchains.cxx b/Source/cmFileAPIToolchains.cxx
index b3540c97b2..fe2972fabf 100644
--- a/Source/cmFileAPIToolchains.cxx
+++ b/Source/cmFileAPIToolchains.cxx
@@ -30,10 +30,6 @@ class Toolchains
   cmFileAPI& FileAPI;
   unsigned long Version;
 
-  static const std::vector<ToolchainVariable> CompilerVariables;
-  static const std::vector<ToolchainVariable> CompilerImplicitVariables;
-  static const ToolchainVariable SourceFileExtensionsVariable;
-
   Json::Value DumpToolchains();
   Json::Value DumpToolchain(std::string const& lang);
   Json::Value DumpToolchainVariables(
@@ -48,24 +44,6 @@ public:
   Json::Value Dump();
 };
 
-const std::vector<ToolchainVariable> Toolchains::CompilerVariables{
-  { "path", "COMPILER", false },
-  { "id", "COMPILER_ID", false },
-  { "version", "COMPILER_VERSION", false },
-  { "target", "COMPILER_TARGET", false },
-};
-
-const std::vector<ToolchainVariable> Toolchains::CompilerImplicitVariables{
-  { "includeDirectories", "IMPLICIT_INCLUDE_DIRECTORIES", true },
-  { "linkDirectories", "IMPLICIT_LINK_DIRECTORIES", true },
-  { "linkFrameworkDirectories", "IMPLICIT_LINK_FRAMEWORK_DIRECTORIES", true },
-  { "linkLibraries", "IMPLICIT_LINK_LIBRARIES", true },
-};
-
-const ToolchainVariable Toolchains::SourceFileExtensionsVariable{
-  "sourceFileExtensions", "SOURCE_FILE_EXTENSIONS", true
-};
-
 Toolchains::Toolchains(cmFileAPI& fileAPI, unsigned long version)
   : FileAPI(fileAPI)
   , Version(version)
@@ -94,6 +72,25 @@ Json::Value Toolchains::DumpToolchains()
 
 Json::Value Toolchains::DumpToolchain(std::string const& lang)
 {
+  static const std::vector<ToolchainVariable> CompilerVariables{
+    { "path", "COMPILER", false },
+    { "id", "COMPILER_ID", false },
+    { "version", "COMPILER_VERSION", false },
+    { "target", "COMPILER_TARGET", false },
+  };
+
+  static const std::vector<ToolchainVariable> CompilerImplicitVariables{
+    { "includeDirectories", "IMPLICIT_INCLUDE_DIRECTORIES", true },
+    { "linkDirectories", "IMPLICIT_LINK_DIRECTORIES", true },
+    { "linkFrameworkDirectories", "IMPLICIT_LINK_FRAMEWORK_DIRECTORIES",
+      true },
+    { "linkLibraries", "IMPLICIT_LINK_LIBRARIES", true },
+  };
+
+  static const ToolchainVariable SourceFileExtensionsVariable{
+    "sourceFileExtensions", "SOURCE_FILE_EXTENSIONS", true
+  };
+
   const auto& mf =
     this->FileAPI.GetCMakeInstance()->GetGlobalGenerator()->GetMakefiles()[0];
   Json::Value toolchain = Json::objectValue;
diff --git a/Tests/CMakeLib/testCTestBinPacker.cxx b/Tests/CMakeLib/testCTestBinPacker.cxx
index abdbefb231..e419155665 100644
--- a/Tests/CMakeLib/testCTestBinPacker.cxx
+++ b/Tests/CMakeLib/testCTestBinPacker.cxx
@@ -16,8 +16,7 @@ struct ExpectedPackResult
   std::vector<cmCTestBinPackerAllocation> ExpectedBlockAllocations;
 };
 
-static const std::vector<ExpectedPackResult> expectedResults
-{
+static const ExpectedPackResult expectedResults[] = {
   /* clang-format off */
   {
     { 2, 2, 2, 2 },
@@ -215,7 +214,7 @@ struct AllocationComparison
   bool Equal;
 };
 
-static const std::vector<AllocationComparison> comparisons{
+static const AllocationComparison comparisons[] = {
   /* clang-format off */
   { { 0, 1, "0" }, { 0, 1, "0" }, true },
   { { 0, 1, "0" }, { 1, 1, "0" }, false },
diff --git a/Tests/CMakeLib/testCTestResourceGroups.cxx b/Tests/CMakeLib/testCTestResourceGroups.cxx
index c3532a68d7..b764c860c5 100644
--- a/Tests/CMakeLib/testCTestResourceGroups.cxx
+++ b/Tests/CMakeLib/testCTestResourceGroups.cxx
@@ -15,7 +15,7 @@ struct ExpectedParseResult
     ExpectedValue;
 };
 
-static const std::vector<ExpectedParseResult> expectedResults{
+static const ExpectedParseResult expectedResults[] = {
   /* clang-format off */
   { "threads:2", true, {
     { { "threads", 2, 1 } },
-- 
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