well, looks like cmake 3.17 is required though

6.5.1/_tools/cmake/share/cmake-3.17/Modules/CheckIPOSupported/CMakeLists-C.txt.in

@@ -0,0 +1,8 @@
+cmake_minimum_required(VERSION "@CMAKE_VERSION@")
+project("@TRY_COMPILE_PROJECT_NAME@" LANGUAGES C)
+
+cmake_policy(SET CMP0069 NEW)
+
+add_library(foo foo.c)
+add_executable(boo main.c)
+target_link_libraries(boo PUBLIC foo)

6.5.1/_tools/cmake/share/cmake-3.17/Modules/CheckIPOSupported/CMakeLists-CXX.txt.in

@@ -0,0 +1,8 @@
+cmake_minimum_required(VERSION "@CMAKE_VERSION@")
+project("@TRY_COMPILE_PROJECT_NAME@" LANGUAGES CXX)
+
+cmake_policy(SET CMP0069 NEW)
+
+add_library(foo foo.cpp)
+add_executable(boo main.cpp)
+target_link_libraries(boo PUBLIC foo)

6.5.1/_tools/cmake/share/cmake-3.17/Modules/CheckIPOSupported/CMakeLists-Fortran.txt.in

@@ -0,0 +1,8 @@
+cmake_minimum_required(VERSION "@CMAKE_VERSION@")
+project("@TRY_COMPILE_PROJECT_NAME@" LANGUAGES Fortran)
+
+cmake_policy(SET CMP0069 NEW)
+
+add_library(foo foo.f)
+add_executable(boo main.f)
+target_link_libraries(boo PUBLIC foo)

6.5.1/_tools/cmake/share/cmake-3.17/Modules/CheckIPOSupported/foo.c

@@ -0,0 +1,4 @@
+int foo()
+{
+  return 0x42;
+}

6.5.1/_tools/cmake/share/cmake-3.17/Modules/CheckIPOSupported/foo.cpp

@@ -0,0 +1,4 @@
+int foo()
+{
+  return 0x42;
+}

6.5.1/_tools/cmake/share/cmake-3.17/Modules/CheckIPOSupported/foo.f

@@ -0,0 +1,2 @@
+	SUBROUTINE FOO
+	END

6.5.1/_tools/cmake/share/cmake-3.17/Modules/CheckIPOSupported/main.c

@@ -0,0 +1,6 @@
+int foo();
+
+int main()
+{
+  return foo();
+}

6.5.1/_tools/cmake/share/cmake-3.17/Modules/CheckIPOSupported/main.cpp

@@ -0,0 +1,6 @@
+int foo();
+
+int main()
+{
+  return foo();
+}

6.5.1/_tools/cmake/share/cmake-3.17/Modules/CheckIPOSupported/main.f

@@ -0,0 +1,3 @@
+	PROGRAM BOO
+	CALL FOO()
+	END