Teach CROSSCOMPILING_EMULATOR to support arguments

Fixes: #19321

7 files changed, 67 insertions, 3 deletions

diff --git a/Tests/RunCMake/CMakeLists.txt b/Tests/RunCMake/CMakeLists.txt
index 0ccfca8..6e6b9f1 100644
--- a/Tests/RunCMake/CMakeLists.txt
+++ b/Tests/RunCMake/CMakeLists.txt
@@ -448,9 +448,11 @@ endif()
 
 add_executable(pseudo_emulator pseudo_emulator.c)
 add_executable(pseudo_emulator_custom_command pseudo_emulator_custom_command.c)
+add_executable(pseudo_emulator_custom_command_arg pseudo_emulator_custom_command_arg.c)
 add_RunCMake_test(CrosscompilingEmulator
  -DPSEUDO_EMULATOR=$<TARGET_FILE:pseudo_emulator>
- -DPSEUDO_EMULATOR_CUSTOM_COMMAND=$<TARGET_FILE:pseudo_emulator_custom_command>)
+ -DPSEUDO_EMULATOR_CUSTOM_COMMAND=$<TARGET_FILE:pseudo_emulator_custom_command>
+ -DPSEUDO_EMULATOR_CUSTOM_COMMAND_ARG=$<TARGET_FILE:pseudo_emulator_custom_command_arg>)
 if("${CMAKE_GENERATOR}" MATCHES "Make|Ninja")
   if(UNIX AND NOT CYGWIN)
     execute_process(COMMAND ldd --help
diff --git a/Tests/RunCMake/CrosscompilingEmulator/AddCustomCommandWithArg-build-check.cmake b/Tests/RunCMake/CrosscompilingEmulator/AddCustomCommandWithArg-build-check.cmake
new file mode 100644
index 0000000..9ca6106
--- /dev/null
+++ b/Tests/RunCMake/CrosscompilingEmulator/AddCustomCommandWithArg-build-check.cmake
@@ -0,0 +1,3 @@
+if(NOT EXISTS "${RunCMake_TEST_BINARY_DIR}/output")
+  message(FATAL_ERROR "Failed to create output: ${RunCMake_TEST_BINARY_DIR}/output")
+endif()
diff --git a/Tests/RunCMake/CrosscompilingEmulator/AddCustomCommandWithArg.cmake b/Tests/RunCMake/CrosscompilingEmulator/AddCustomCommandWithArg.cmake
new file mode 100644
index 0000000..d9059ca
--- /dev/null
+++ b/Tests/RunCMake/CrosscompilingEmulator/AddCustomCommandWithArg.cmake
@@ -0,0 +1,14 @@
+set(CMAKE_CROSSCOMPILING 1)
+
+# Executable: Return error code different from 0
+add_executable(generated_exe_emulator_expected simple_src_exiterror.cxx)
+
+add_custom_command(OUTPUT output
+  COMMAND generated_exe_emulator_expected
+  COMMAND ${CMAKE_COMMAND} -E touch ${CMAKE_CURRENT_BINARY_DIR}/output
+  DEPENDS generated_exe_emulator_expected)
+
+add_custom_target(ensure_build ALL
+  SOURCES
+    ${CMAKE_CURRENT_BINARY_DIR}/output
+)
diff --git a/Tests/RunCMake/CrosscompilingEmulator/AddCustomTargetWithArg-build-check.cmake b/Tests/RunCMake/CrosscompilingEmulator/AddCustomTargetWithArg-build-check.cmake
new file mode 100644
index 0000000..13c0db9
--- /dev/null
+++ b/Tests/RunCMake/CrosscompilingEmulator/AddCustomTargetWithArg-build-check.cmake
@@ -0,0 +1 @@
+include(${CMAKE_CURRENT_LIST_DIR}/AddCustomCommandWithArg-build-check.cmake)
diff --git a/Tests/RunCMake/CrosscompilingEmulator/AddCustomTargetWithArg.cmake b/Tests/RunCMake/CrosscompilingEmulator/AddCustomTargetWithArg.cmake
new file mode 100644
index 0000000..dcd80d5
--- /dev/null
+++ b/Tests/RunCMake/CrosscompilingEmulator/AddCustomTargetWithArg.cmake
@@ -0,0 +1,9 @@
+set(CMAKE_CROSSCOMPILING 1)
+
+# Executable: Return error code different from 0
+add_executable(generated_exe_emulator_expected simple_src_exiterror.cxx)
+
+add_custom_target(generate_output ALL
+  generated_exe_emulator_expected
+  COMMAND ${CMAKE_COMMAND} -E touch ${CMAKE_CURRENT_BINARY_DIR}/output
+  DEPENDS generated_exe_emulator_expected)
diff --git a/Tests/RunCMake/CrosscompilingEmulator/RunCMakeTest.cmake b/Tests/RunCMake/CrosscompilingEmulator/RunCMakeTest.cmake
index 71aaad1..97b7b5a 100644
--- a/Tests/RunCMake/CrosscompilingEmulator/RunCMakeTest.cmake
+++ b/Tests/RunCMake/CrosscompilingEmulator/RunCMakeTest.cmake
@@ -11,13 +11,18 @@ function(CustomCommandGenerator_run_and_build case)
   # Use a single build tree for a few tests without cleaning.
   set(RunCMake_TEST_BINARY_DIR ${RunCMake_BINARY_DIR}/${case}-build)
   set(RunCMake_TEST_NO_CLEAN 1)
-  set(RunCMake_TEST_OPTIONS
-    "-DCMAKE_CROSSCOMPILING_EMULATOR=${PSEUDO_EMULATOR_CUSTOM_COMMAND}")
   file(REMOVE_RECURSE "${RunCMake_TEST_BINARY_DIR}")
   file(MAKE_DIRECTORY "${RunCMake_TEST_BINARY_DIR}")
   run_cmake(${case})
   run_cmake_command(${case}-build ${CMAKE_COMMAND} --build .)
 endfunction()
 
+set(RunCMake_TEST_OPTIONS
+"-DCMAKE_CROSSCOMPILING_EMULATOR=${PSEUDO_EMULATOR_CUSTOM_COMMAND}")
 CustomCommandGenerator_run_and_build(AddCustomCommand)
 CustomCommandGenerator_run_and_build(AddCustomTarget)
+
+set(RunCMake_TEST_OPTIONS
+"-DCMAKE_CROSSCOMPILING_EMULATOR=${PSEUDO_EMULATOR_CUSTOM_COMMAND_ARG}\;custom_argument")
+CustomCommandGenerator_run_and_build(AddCustomCommandWithArg)
+CustomCommandGenerator_run_and_build(AddCustomTargetWithArg)
diff --git a/Tests/RunCMake/pseudo_emulator_custom_command_arg.c b/Tests/RunCMake/pseudo_emulator_custom_command_arg.c
new file mode 100644
index 0000000..d00deda
--- /dev/null
+++ b/Tests/RunCMake/pseudo_emulator_custom_command_arg.c
@@ -0,0 +1,30 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+// Usage:
+//
+//  /path/to/program arg1 [arg2 [...]]
+//
+// Return EXIT_SUCCESS if 'custom_argument' string was found
+// in <arg1> and 'generated_exe_emulator_expected'
+// string was found in <arg2>
+// Return EXIT_FAILURE if 'custom_argument' string was not
+// found in <arg1> or 'generated_exe_emulator_expected'
+// string was not found in <arg2>.
+
+int main(int argc, const char* argv[])
+{
+  // Require a slash to make sure it is a path and not a target name.
+  const char* substring_success = "/generated_exe_emulator_expected";
+  const char* substring_custom_argument = "custom_argument";
+
+  if (argc < 2) {
+    return EXIT_FAILURE;
+  }
+  if (strstr(argv[1], substring_custom_argument) != 0 &&
+      strstr(argv[2], substring_success) != 0) {
+    return EXIT_SUCCESS;
+  }
+  return EXIT_FAILURE;
+}