try_compile: Run native build tool with verbose output

Make the compiler command lines visible in the configure log.

Issue: #23200

5 files changed, 26 insertions, 2 deletions

diff --git a/Source/cmGlobalGenerator.cxx b/Source/cmGlobalGenerator.cxx
index 40234b1..fa5433f 100644
--- a/Source/cmGlobalGenerator.cxx
+++ b/Source/cmGlobalGenerator.cxx
@@ -2040,7 +2040,7 @@ int cmGlobalGenerator::TryCompile(int jobs, const std::string& srcdir,
   cmBuildOptions defaultBuildOptions(false, fast, PackageResolveMode::Disable);
 
   return this->Build(jobs, srcdir, bindir, projectName, newTarget, output, "",
-                     config, defaultBuildOptions, false,
+                     config, defaultBuildOptions, true,
                      this->TryCompileTimeout);
 }
 
diff --git a/Tests/RunCMake/try_compile/ISPCTargets-stderr.txt b/Tests/RunCMake/try_compile/ISPCTargets-stderr.txt
index 72e0a01..91dfa6d 100644
--- a/Tests/RunCMake/try_compile/ISPCTargets-stderr.txt
+++ b/Tests/RunCMake/try_compile/ISPCTargets-stderr.txt
@@ -1 +1 @@
-.*Linking ISPC static library*
+(Linking ISPC static library|[ \/]libcmTC_[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]\.a|out:([A-Za-z]+[\/])?cmTC_[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]\.lib)
diff --git a/Tests/RunCMake/try_compile/RunCMakeTest.cmake b/Tests/RunCMake/try_compile/RunCMakeTest.cmake
index 51ccac8..29c0538 100644
--- a/Tests/RunCMake/try_compile/RunCMakeTest.cmake
+++ b/Tests/RunCMake/try_compile/RunCMakeTest.cmake
@@ -45,6 +45,8 @@ run_cmake(ProjectCopyFile)
 run_cmake(NonSourceCopyFile)
 run_cmake(NonSourceCompileDefinitions)
 
+run_cmake(Verbose)
+
 set(RunCMake_TEST_OPTIONS --debug-trycompile)
 run_cmake(PlatformVariables)
 run_cmake(WarnDeprecated)
diff --git a/Tests/RunCMake/try_compile/Verbose.c b/Tests/RunCMake/try_compile/Verbose.c
new file mode 100644
index 0000000..5953879
--- /dev/null
+++ b/Tests/RunCMake/try_compile/Verbose.c
@@ -0,0 +1,7 @@
+#ifndef EXAMPLE_DEFINITION
+#  error "EXAMPLE_DEFINITION not defined."
+#endif
+int main(void)
+{
+  return 0;
+}
diff --git a/Tests/RunCMake/try_compile/Verbose.cmake b/Tests/RunCMake/try_compile/Verbose.cmake
new file mode 100644
index 0000000..3f2a7dd
--- /dev/null
+++ b/Tests/RunCMake/try_compile/Verbose.cmake
@@ -0,0 +1,15 @@
+enable_language(C)
+
+try_compile(COMPILE_RESULT
+  SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/Verbose.c
+  COMPILE_DEFINITIONS -DEXAMPLE_DEFINITION
+  OUTPUT_VARIABLE out
+  )
+string(REPLACE "\n" "\n  " out "  ${out}")
+if(NOT COMPILE_RESULT)
+  message(FATAL_ERROR "try_compile failed:\n${out}")
+endif()
+if(NOT out MATCHES "EXAMPLE_DEFINITION"
+    AND NOT CMAKE_GENERATOR MATCHES "NMake|Borland")
+  message(FATAL_ERROR "try_compile output does not contain EXAMPLE_DEFINITION:\n${out}")
+endif()