Allow export of targets with INTERFACE_SOURCES.

Use the same rules for paths in source and binary dirs in
installed INTERFACE_SOURCES as are used for
INTERFACE_INCLUDE_DIRECTORIES.

2 files changed, 15 insertions, 0 deletions

diff --git a/Tests/ExportImport/Import/Interface/CMakeLists.txt b/Tests/ExportImport/Import/Interface/CMakeLists.txt
index 4028405..51d518e 100644
--- a/Tests/ExportImport/Import/Interface/CMakeLists.txt
+++ b/Tests/ExportImport/Import/Interface/CMakeLists.txt
@@ -82,6 +82,14 @@ endmacro()
 
 do_try_compile(bld)
 
+add_executable(source_target_test_bld source_target_test.cpp)
+target_link_libraries(source_target_test_bld bld::source_target)
+target_compile_definitions(source_target_test_bld PRIVATE USE_FROM_BUILD_DIR)
+
+add_executable(source_target_test_exp source_target_test.cpp)
+target_link_libraries(source_target_test_exp exp::source_target)
+target_compile_definitions(source_target_test_exp PRIVATE USE_FROM_INSTALL_DIR)
+
 add_executable(headeronlytest_exp headeronlytest.cpp)
 target_link_libraries(headeronlytest_exp exp::headeronly)
 
diff --git a/Tests/ExportImport/Import/Interface/source_target_test.cpp b/Tests/ExportImport/Import/Interface/source_target_test.cpp
new file mode 100644
index 0000000..0e8ec5f
--- /dev/null
+++ b/Tests/ExportImport/Import/Interface/source_target_test.cpp
@@ -0,0 +1,7 @@
+
+extern int source_symbol();
+
+int main()
+{
+  return source_symbol() - 42;
+}