Linker: Save linker inspection results with compiler inspection results

Reconfigure `CMake<LANG>Compiler.cmake` again after linker information
is detected.

Modules/CMakeASMCompiler.cmake.in

@@ -7,10 +7,10 @@ set(CMAKE_ASM@ASM_DIALECT@_COMPILER_RANLIB "@_CMAKE_ASM_COMPILER_RANLIB@")
 set(CMAKE_LINKER "@CMAKE_LINKER@")
 set(CMAKE_LINKER_LINK "@CMAKE_LINKER_LINK@")
 set(CMAKE_LINKER_LLD "@CMAKE_LINKER_LLD@")
-set(CMAKE_ASM@ASM_DIALECT@_COMPILER_LINKER "@CMAKE_ASM_COMPILER_LINKER@")
-set(CMAKE_ASM@ASM_DIALECT@_COMPILER_LINKER_ID "@CMAKE_ASM_COMPILER_LINKER_ID@")
-set(CMAKE_ASM@ASM_DIALECT@_COMPILER_LINKER_VERSION @CMAKE_ASM_COMPILER_LINKER_VERSION@)
-set(CMAKE_ASM@ASM_DIALECT@_COMPILER_LINKER_FRONTEND_VARIANT @CMAKE_ASM_COMPILER_LINKER_FRONTEND_VARIANT@)
+set(CMAKE_ASM@ASM_DIALECT@_COMPILER_LINKER "@_CMAKE_ASM_COMPILER_LINKER@")
+set(CMAKE_ASM@ASM_DIALECT@_COMPILER_LINKER_ID "@_CMAKE_ASM_COMPILER_LINKER_ID@")
+set(CMAKE_ASM@ASM_DIALECT@_COMPILER_LINKER_VERSION @_CMAKE_ASM_COMPILER_LINKER_VERSION@)
+set(CMAKE_ASM@ASM_DIALECT@_COMPILER_LINKER_FRONTEND_VARIANT @_CMAKE_ASM_COMPILER_LINKER_FRONTEND_VARIANT@)
 set(CMAKE_MT "@CMAKE_MT@")
 set(CMAKE_TAPI "@CMAKE_TAPI@")
 set(CMAKE_ASM@ASM_DIALECT@_COMPILER_LOADED 1)
@@ -23,6 +23,6 @@ set(CMAKE_ASM@ASM_DIALECT@_COMPILER_ENV_VAR "@_CMAKE_ASM_COMPILER_ENV_VAR@")
 
 set(CMAKE_ASM@ASM_DIALECT@_IGNORE_EXTENSIONS h;H;o;O;obj;OBJ;def;DEF;rc;RC)
 set(CMAKE_ASM@ASM_DIALECT@_LINKER_PREFERENCE 0)
-set(CMAKE_ASM@ASM_DIALECT@_LINKER_DEPFILE_SUPPORTED @CMAKE_ASM_LINKER_DEPFILE_SUPPORTED@)
+set(CMAKE_ASM@ASM_DIALECT@_LINKER_DEPFILE_SUPPORTED @_CMAKE_ASM_LINKER_DEPFILE_SUPPORTED@)
 
 @CMAKE_ASM_COMPILER_CUSTOM_CODE@

Modules/Internal/CMakeInspectASM-ATTLinker.cmake

@@ -0,0 +1,7 @@
+# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+# file LICENSE.rst or https://cmake.org/licensing for details.
+
+# Load the generic ASM test file:
+set(ASM_DIALECT "-ATT")
+include(Internal/CMakeInspectASMLinker)
+set(ASM_DIALECT)

Modules/Internal/CMakeInspectASMLinker.cmake

@@ -0,0 +1,26 @@
+# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+# file LICENSE.rst or https://cmake.org/licensing for details.
+
+# Re-configure to save learned information.
+block()
+  foreach(_var IN ITEMS
+      COMPILER
+      COMPILER_ID
+      COMPILER_ARG1
+      COMPILER_ENV_VAR
+      COMPILER_AR
+      COMPILER_RANLIB
+      COMPILER_VERSION
+      COMPILER_LINKER
+      COMPILER_LINKER_ID
+      COMPILER_LINKER_VERSION
+      COMPILER_LINKER_FRONTEND_VARIANT
+      LINKER_DEPFILE_SUPPORTED
+      )
+    set(_CMAKE_ASM_${_var} "${CMAKE_ASM${ASM_DIALECT}_${_var}}")
+  endforeach()
+  configure_file(
+    ${CMAKE_ROOT}/Modules/CMakeASMCompiler.cmake.in
+    ${CMAKE_PLATFORM_INFO_DIR}/CMakeASM${ASM_DIALECT}Compiler.cmake
+    @ONLY)
+endblock()

Modules/Internal/CMakeInspectASM_MARMASMLinker.cmake

@@ -0,0 +1,7 @@
+# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+# file LICENSE.rst or https://cmake.org/licensing for details.
+
+# Load the generic ASM test file:
+set(ASM_DIALECT "_MARMASM")
+include(Internal/CMakeInspectASMLinker)
+set(ASM_DIALECT)

Modules/Internal/CMakeInspectASM_MASMLinker.cmake

@@ -0,0 +1,7 @@
+# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+# file LICENSE.rst or https://cmake.org/licensing for details.
+
+# Load the generic ASM test file:
+set(ASM_DIALECT "_MASM")
+include(Internal/CMakeInspectASMLinker)
+set(ASM_DIALECT)

Modules/Internal/CMakeInspectASM_NASMLinker.cmake

@@ -0,0 +1,7 @@
+# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+# file LICENSE.rst or https://cmake.org/licensing for details.
+
+# Load the generic ASM test file:
+set(ASM_DIALECT "_NASM")
+include(Internal/CMakeInspectASMLinker)
+set(ASM_DIALECT)

Modules/Internal/CMakeInspectCLinker.cmake

@@ -0,0 +1,8 @@
+# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+# file LICENSE.rst or https://cmake.org/licensing for details.
+
+# Re-configure to save learned information.
+configure_file(
+  ${CMAKE_ROOT}/Modules/CMakeCCompiler.cmake.in
+  ${CMAKE_PLATFORM_INFO_DIR}/CMakeCCompiler.cmake
+  @ONLY)

Modules/Internal/CMakeInspectCUDALinker.cmake

@@ -0,0 +1,8 @@
+# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+# file LICENSE.rst or https://cmake.org/licensing for details.
+
+# Re-configure to save learned information.
+configure_file(
+  ${CMAKE_ROOT}/Modules/CMakeCUDACompiler.cmake.in
+  ${CMAKE_PLATFORM_INFO_DIR}/CMakeCUDACompiler.cmake
+  @ONLY)

Modules/Internal/CMakeInspectCXXLinker.cmake

@@ -0,0 +1,8 @@
+# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+# file LICENSE.rst or https://cmake.org/licensing for details.
+
+# Re-configure to save learned information.
+configure_file(
+  ${CMAKE_ROOT}/Modules/CMakeCXXCompiler.cmake.in
+  ${CMAKE_PLATFORM_INFO_DIR}/CMakeCXXCompiler.cmake
+  @ONLY)

Modules/Internal/CMakeInspectFortranLinker.cmake

@@ -0,0 +1,8 @@
+# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+# file LICENSE.rst or https://cmake.org/licensing for details.
+
+# Re-configure to save learned information.
+configure_file(
+  ${CMAKE_ROOT}/Modules/CMakeFortranCompiler.cmake.in
+  ${CMAKE_PLATFORM_INFO_DIR}/CMakeFortranCompiler.cmake
+  @ONLY)

Modules/Internal/CMakeInspectHIPLinker.cmake

@@ -0,0 +1,8 @@
+# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+# file LICENSE.rst or https://cmake.org/licensing for details.
+
+# Re-configure to save learned information.
+configure_file(
+  ${CMAKE_ROOT}/Modules/CMakeHIPCompiler.cmake.in
+  ${CMAKE_PLATFORM_INFO_DIR}/CMakeHIPCompiler.cmake
+  @ONLY)

Modules/Internal/CMakeInspectOBJCLinker.cmake

@@ -0,0 +1,8 @@
+# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+# file LICENSE.rst or https://cmake.org/licensing for details.
+
+# Re-configure to save learned information.
+configure_file(
+  ${CMAKE_ROOT}/Modules/CMakeOBJCCompiler.cmake.in
+  ${CMAKE_PLATFORM_INFO_DIR}/CMakeOBJCCompiler.cmake
+  @ONLY)

Modules/Internal/CMakeInspectOBJCXXLinker.cmake

@@ -0,0 +1,8 @@
+# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+# file LICENSE.rst or https://cmake.org/licensing for details.
+
+# Re-configure to save learned information.
+configure_file(
+  ${CMAKE_ROOT}/Modules/CMakeOBJCXXCompiler.cmake.in
+  ${CMAKE_PLATFORM_INFO_DIR}/CMakeOBJCXXCompiler.cmake
+  @ONLY)

Modules/Internal/CMakeInspectSwiftLinker.cmake

@@ -0,0 +1,8 @@
+# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+# file LICENSE.rst or https://cmake.org/licensing for details.
+
+# Re-configure to save learned information.
+configure_file(
+  ${CMAKE_ROOT}/Modules/CMakeSwiftCompiler.cmake.in
+  ${CMAKE_PLATFORM_INFO_DIR}/CMakeSwiftCompiler.cmake
+  @ONLY)

Source/cmGlobalGenerator.cxx

@@ -963,9 +963,9 @@ void cmGlobalGenerator::EnableLanguage(
       } // end if in try compile
     }   // end need test language
 
-    // load linker configuration,  if required
-    if (mf->GetDefinition(cmStrCat("CMAKE_", lang, "_USE_LINKER_INFORMATION"))
-          .IsOn()) {
+    // load linker configuration, if required
+    if (mf->IsOn(cmStrCat("CMAKE_", lang, "_COMPILER_WORKS")) &&
+        mf->IsOn(cmStrCat("CMAKE_", lang, "_USE_LINKER_INFORMATION"))) {
       std::string langLinkerLoadedVar =
         cmStrCat("CMAKE_", lang, "_LINKER_INFORMATION_LOADED");
       if (!mf->GetDefinition(langLinkerLoadedVar)) {
@@ -982,6 +982,18 @@ void cmGlobalGenerator::EnableLanguage(
             "Could not process cmake module file: ", informationFile));
         }
       }
+
+      if (needTestLanguage[lang]) {
+        if (!this->CMakeInstance->GetIsInTryCompile()) {
+          std::string testLang =
+            cmStrCat("Internal/CMakeInspect", lang, "Linker.cmake");
+          std::string ifpath = mf->GetModulesFile(testLang);
+          if (!mf->ReadListFile(ifpath)) {
+            cmSystemTools::Error(
+              cmStrCat("Could not find cmake module file: ", testLang));
+          }
+        }
+      }
     }
 
     // Store the shared library flags so that we can satisfy CMP0018