UseSWIG: add management of SWIG option -module

When file property SWIG_MODULE_NAME is specified, provide option -module
to SWIG compiler.

Fixes: #18374

10 files changed, 58 insertions, 1 deletions

diff --git a/Tests/RunCMake/UseSWIG/CMP0078-WARN-stderr.txt b/Tests/RunCMake/UseSWIG/CMP0078-WARN-stderr.txt
index f0ed577..d89d174 100644
--- a/Tests/RunCMake/UseSWIG/CMP0078-WARN-stderr.txt
+++ b/Tests/RunCMake/UseSWIG/CMP0078-WARN-stderr.txt
@@ -4,7 +4,7 @@ CMake Warning \(dev\) at .*/Modules/UseSWIG\.cmake:[0-9]+ \(message\):
   command to set the policy and suppress this warning\.
 
 Call Stack \(most recent call first\):
-  CMP0078-common\.cmake:6 \(swig_add_library\)
+  CMP0078-common\.cmake:8 \(swig_add_library\)
   CMP0078-WARN\.cmake:1 \(include\)
   CMakeLists\.txt:3 \(include\)
 This warning is for project developers.  Use -Wno-dev to suppress it.$
diff --git a/Tests/RunCMake/UseSWIG/CMP0078-common.cmake b/Tests/RunCMake/UseSWIG/CMP0078-common.cmake
index 6cf39dc..b13796b 100644
--- a/Tests/RunCMake/UseSWIG/CMP0078-common.cmake
+++ b/Tests/RunCMake/UseSWIG/CMP0078-common.cmake
@@ -1,4 +1,6 @@
 
+cmake_policy(SET CMP0086 NEW)
+
 set(SWIG_EXECUTABLE "swig")
 set(SWIG_DIR "/swig")
 include(UseSWIG)
diff --git a/Tests/RunCMake/UseSWIG/CMP0086-NEW-nuild-check.cmake b/Tests/RunCMake/UseSWIG/CMP0086-NEW-nuild-check.cmake
new file mode 100644
index 0000000..ea8b2cd
--- /dev/null
+++ b/Tests/RunCMake/UseSWIG/CMP0086-NEW-nuild-check.cmake
@@ -0,0 +1,4 @@
+
+if (NOT EXISTS "${RunCMake_TEST_BINARY_DIR}/new_example.py")
+  set (RunCMake_TEST_FAILED "Not found expected file: '${RunCMake_TEST_BINARY_DIR}/new_example.py'.")
+endif()
diff --git a/Tests/RunCMake/UseSWIG/CMP0086-NEW.cmake b/Tests/RunCMake/UseSWIG/CMP0086-NEW.cmake
new file mode 100644
index 0000000..b54338d
--- /dev/null
+++ b/Tests/RunCMake/UseSWIG/CMP0086-NEW.cmake
@@ -0,0 +1,2 @@
+cmake_policy(SET CMP0086 NEW)
+include(CMP0086-common.cmake)
diff --git a/Tests/RunCMake/UseSWIG/CMP0086-OLD-build-check.cmake b/Tests/RunCMake/UseSWIG/CMP0086-OLD-build-check.cmake
new file mode 100644
index 0000000..96b5295
--- /dev/null
+++ b/Tests/RunCMake/UseSWIG/CMP0086-OLD-build-check.cmake
@@ -0,0 +1,4 @@
+
+if (NOT EXISTS "${RunCMake_TEST_BINARY_DIR}/example.py")
+  set (RunCMake_TEST_FAILED "Not found expected file: '${RunCMake_TEST_BINARY_DIR}/example.py'.")
+endif()
diff --git a/Tests/RunCMake/UseSWIG/CMP0086-OLD.cmake b/Tests/RunCMake/UseSWIG/CMP0086-OLD.cmake
new file mode 100644
index 0000000..6a63d4c
--- /dev/null
+++ b/Tests/RunCMake/UseSWIG/CMP0086-OLD.cmake
@@ -0,0 +1,2 @@
+cmake_policy(SET CMP0086 OLD)
+include(CMP0086-common.cmake)
diff --git a/Tests/RunCMake/UseSWIG/CMP0086-WARN-stderr.txt b/Tests/RunCMake/UseSWIG/CMP0086-WARN-stderr.txt
new file mode 100644
index 0000000..af41021
--- /dev/null
+++ b/Tests/RunCMake/UseSWIG/CMP0086-WARN-stderr.txt
@@ -0,0 +1,11 @@
+CMake Warning \(dev\) at .*/Modules/UseSWIG.cmake:[0-9]+ \(message\):
+  Policy CMP0086 is not set: UseSWIG honors SWIG_MODULE_NAME via -module
+  flag.  Run "cmake --help-policy CMP0086" for policy details\.  Use the
+  cmake_policy command to set the policy and suppress this warning\.
+
+Call Stack \(most recent call first\):
+  .*/Modules/UseSWIG.cmake:[0-9]+ \(SWIG_ADD_SOURCE_TO_MODULE\)
+  CMP0086-common\.cmake:[0-9]+ \(swig_add_library\)
+  CMP0086-WARN\.cmake:1 \(include\)
+  CMakeLists\.txt:3 \(include\)
+This warning is for project developers\.  Use -Wno-dev to suppress it\.$
diff --git a/Tests/RunCMake/UseSWIG/CMP0086-WARN.cmake b/Tests/RunCMake/UseSWIG/CMP0086-WARN.cmake
new file mode 100644
index 0000000..69c2d9d
--- /dev/null
+++ b/Tests/RunCMake/UseSWIG/CMP0086-WARN.cmake
@@ -0,0 +1 @@
+include(CMP0086-common.cmake)
diff --git a/Tests/RunCMake/UseSWIG/CMP0086-common.cmake b/Tests/RunCMake/UseSWIG/CMP0086-common.cmake
new file mode 100644
index 0000000..c02592a
--- /dev/null
+++ b/Tests/RunCMake/UseSWIG/CMP0086-common.cmake
@@ -0,0 +1,11 @@
+
+cmake_policy(SET CMP0078 NEW)
+
+find_package(Python REQUIRED COMPONENTS Development)
+find_package (SWIG REQUIRED)
+include(UseSWIG)
+
+set_property (SOURCE example.i PROPERTY SWIG_MODULE_NAME "new_example")
+
+swig_add_library(example LANGUAGE python TYPE MODULE SOURCES example.i)
+target_link_libraries(example PRIVATE Python::Python)
diff --git a/Tests/RunCMake/UseSWIG/RunCMakeTest.cmake b/Tests/RunCMake/UseSWIG/RunCMakeTest.cmake
index b96622a..6acf719 100644
--- a/Tests/RunCMake/UseSWIG/RunCMakeTest.cmake
+++ b/Tests/RunCMake/UseSWIG/RunCMakeTest.cmake
@@ -3,3 +3,23 @@ include(RunCMake)
 run_cmake(CMP0078-WARN)
 run_cmake(CMP0078-OLD)
 run_cmake(CMP0078-NEW)
+
+run_cmake(CMP0086-WARN)
+
+if (CMake_TEST_FindPython)
+
+  macro(run_cmake_target test subtest target)
+    set(RunCMake_TEST_BINARY_DIR ${RunCMake_BINARY_DIR}/${test}-build)
+    set(RunCMake_TEST_NO_CLEAN 1)
+    run_cmake_command(${test}-${subtest} ${CMAKE_COMMAND} --build . --target ${target} ${ARGN})
+
+    unset(RunCMake_TEST_BINARY_DIR)
+    unset(RunCMake_TEST_NO_CLEAN)
+  endmacro()
+
+  run_cmake(CMP0086-OLD)
+  run_cmake_target(CMP0086-OLD build example)
+  run_cmake(CMP0086-NEW)
+  run_cmake_target(CMP0086-NEW build example)
+
+endif()