Merge topic 'INTERFACE_LIBRARY-target-type'

ce0c303 install: Teach EXPORT option to handle INTERFACE_LIBRARY targets
435c912 export: Add support for INTERFACE_LIBRARY targets
fe73226 Add the INTERFACE_LIBRARY target type.

41 files changed, 448 insertions, 1 deletions

diff --git a/Tests/AliasTarget/CMakeLists.txt b/Tests/AliasTarget/CMakeLists.txt
index a5eb0f6..fdb1638 100644
--- a/Tests/AliasTarget/CMakeLists.txt
+++ b/Tests/AliasTarget/CMakeLists.txt
@@ -45,3 +45,6 @@ get_property(_alt2 TARGET PREFIX::Foo PROPERTY ALIASED_TARGET)
 if (NOT ${_alt2} STREQUAL foo)
   message(SEND_ERROR "ALIASED_TARGET is not foo.")
 endif()
+
+add_library(iface INTERFACE)
+add_library(Alias::Iface ALIAS iface)
diff --git a/Tests/CMakeLists.txt b/Tests/CMakeLists.txt
index 504f4bb..9afc112 100644
--- a/Tests/CMakeLists.txt
+++ b/Tests/CMakeLists.txt
@@ -246,6 +246,7 @@ if(BUILD_TESTING)
   ADD_TEST_MACRO(CompileOptions CompileOptions)
   ADD_TEST_MACRO(CompatibleInterface CompatibleInterface)
   ADD_TEST_MACRO(AliasTarget AliasTarget)
+  ADD_TEST_MACRO(InterfaceLibrary InterfaceLibrary)
   set_tests_properties(EmptyLibrary PROPERTIES
     PASS_REGULAR_EXPRESSION "CMake Error: CMake can not determine linker language for target: test")
   ADD_TEST_MACRO(CrossCompile CrossCompile)
diff --git a/Tests/CompatibleInterface/CMakeLists.txt b/Tests/CompatibleInterface/CMakeLists.txt
index ae1d2fa..5ee9fd7 100644
--- a/Tests/CompatibleInterface/CMakeLists.txt
+++ b/Tests/CompatibleInterface/CMakeLists.txt
@@ -6,7 +6,7 @@ project(CompatibleInterface)
 include(GenerateExportHeader)
 set(CMAKE_INCLUDE_CURRENT_DIR ON)
 
-add_library(iface1 empty.cpp)
+add_library(iface1 INTERFACE)
 set_property(TARGET iface1 APPEND PROPERTY
   COMPATIBLE_INTERFACE_BOOL
     BOOL_PROP1
diff --git a/Tests/ExportImport/Export/CMakeLists.txt b/Tests/ExportImport/Export/CMakeLists.txt
index f225ce1..cbae967 100644
--- a/Tests/ExportImport/Export/CMakeLists.txt
+++ b/Tests/ExportImport/Export/CMakeLists.txt
@@ -436,3 +436,5 @@ export(TARGETS testExe2 testLib4 testLib5 testLib6 testExe3 testExe2lib
   NAMESPACE bld_
   APPEND FILE ExportBuildTree.cmake
   )
+
+add_subdirectory(Interface)
diff --git a/Tests/ExportImport/Export/Interface/CMakeLists.txt b/Tests/ExportImport/Export/Interface/CMakeLists.txt
new file mode 100644
index 0000000..fc9c0c7
--- /dev/null
+++ b/Tests/ExportImport/Export/Interface/CMakeLists.txt
@@ -0,0 +1,49 @@
+
+add_library(headeronly INTERFACE)
+set_property(TARGET headeronly PROPERTY INTERFACE_INCLUDE_DIRECTORIES
+  "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/headeronly>"
+  "$<INSTALL_INTERFACE:${CMAKE_INSTALL_PREFIX}/include/headeronly>"
+)
+set_property(TARGET headeronly PROPERTY INTERFACE_COMPILE_DEFINITIONS "HEADERONLY_DEFINE")
+
+include(GenerateExportHeader)
+add_library(sharedlib SHARED sharedlib.cpp)
+generate_export_header(sharedlib)
+set_property(TARGET sharedlib PROPERTY INCLUDE_DIRECTORIES
+  "${CMAKE_CURRENT_SOURCE_DIR}/sharedlib"
+  "${CMAKE_CURRENT_BINARY_DIR}"
+)
+set_property(TARGET sharedlib PROPERTY INTERFACE_INCLUDE_DIRECTORIES
+  "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/sharedlib;${CMAKE_CURRENT_BINARY_DIR}>"
+  "$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/include/sharedlib>"
+)
+
+set_property(TARGET sharedlib PROPERTY INTERFACE_COMPILE_DEFINITIONS "SHAREDLIB_DEFINE")
+
+add_library(sharediface INTERFACE)
+target_link_libraries(sharediface INTERFACE sharedlib)
+
+export(TARGETS sharediface sharedlib headeronly
+  NAMESPACE bld_
+  FILE ../ExportInterfaceBuildTree.cmake
+)
+
+install(TARGETS headeronly sharediface sharedlib
+  EXPORT expInterface
+  RUNTIME DESTINATION bin
+  LIBRARY DESTINATION lib NAMELINK_SKIP
+  ARCHIVE DESTINATION lib
+  FRAMEWORK DESTINATION Frameworks
+  BUNDLE DESTINATION Applications
+)
+install(FILES
+  headeronly/headeronly.h
+  DESTINATION include/headeronly
+)
+install(FILES
+  sharedlib/sharedlib.h
+  "${CMAKE_CURRENT_BINARY_DIR}/sharedlib_export.h"
+  DESTINATION include/sharedlib
+)
+
+install(EXPORT expInterface NAMESPACE exp_ DESTINATION lib/exp)
diff --git a/Tests/ExportImport/Export/Interface/headeronly/headeronly.h b/Tests/ExportImport/Export/Interface/headeronly/headeronly.h
new file mode 100644
index 0000000..3673c21
--- /dev/null
+++ b/Tests/ExportImport/Export/Interface/headeronly/headeronly.h
@@ -0,0 +1,7 @@
+
+enum { one };
+
+struct HeaderOnly
+{
+  int foo() const { return 0; }
+};
diff --git a/Tests/ExportImport/Export/Interface/sharedlib.cpp b/Tests/ExportImport/Export/Interface/sharedlib.cpp
new file mode 100644
index 0000000..88ca713
--- /dev/null
+++ b/Tests/ExportImport/Export/Interface/sharedlib.cpp
@@ -0,0 +1,7 @@
+
+#include "sharedlib.h"
+
+int SharedLibObject::foo() const
+{
+  return 0;
+}
diff --git a/Tests/ExportImport/Export/Interface/sharedlib/sharedlib.h b/Tests/ExportImport/Export/Interface/sharedlib/sharedlib.h
new file mode 100644
index 0000000..aad9ef3
--- /dev/null
+++ b/Tests/ExportImport/Export/Interface/sharedlib/sharedlib.h
@@ -0,0 +1,7 @@
+
+#include "sharedlib_export.h"
+
+struct SHAREDLIB_EXPORT SharedLibObject
+{
+  int foo() const;
+};
diff --git a/Tests/ExportImport/Import/CMakeLists.txt b/Tests/ExportImport/Import/CMakeLists.txt
index 9c2d597..5e809a2 100644
--- a/Tests/ExportImport/Import/CMakeLists.txt
+++ b/Tests/ExportImport/Import/CMakeLists.txt
@@ -19,3 +19,6 @@ add_executable(imp_testTransExe1b imp_testTransExe1.c)
 target_link_libraries(imp_testTransExe1b imp_lib1b)
 
 add_subdirectory(try_compile)
+
+# Test package INTERFACE controls
+add_subdirectory(Interface)
diff --git a/Tests/ExportImport/Import/Interface/CMakeLists.txt b/Tests/ExportImport/Import/Interface/CMakeLists.txt
new file mode 100644
index 0000000..c7bd13e
--- /dev/null
+++ b/Tests/ExportImport/Import/Interface/CMakeLists.txt
@@ -0,0 +1,55 @@
+
+# Import targets from the exported build tree.
+include(${Import_BINARY_DIR}/../Export/ExportInterfaceBuildTree.cmake)
+
+# Import targets from the exported install tree.
+include(${CMAKE_INSTALL_PREFIX}/lib/exp/expInterface.cmake)
+
+add_library(define_iface INTERFACE)
+set_property(TARGET define_iface PROPERTY
+  INTERFACE_COMPILE_DEFINITIONS DEFINE_IFACE_DEFINE)
+
+add_executable(headeronlytest_bld headeronlytest.cpp)
+target_link_libraries(headeronlytest_bld bld_headeronly)
+
+set_property(TARGET bld_sharediface APPEND PROPERTY INTERFACE_LINK_LIBRARIES define_iface)
+
+add_executable(interfacetest_bld interfacetest.cpp)
+target_link_libraries(interfacetest_bld bld_sharediface)
+
+include(CheckCXXSourceCompiles)
+
+macro(do_try_compile prefix)
+
+  set(CMAKE_REQUIRED_LIBRARIES ${prefix}headeronly)
+  check_cxx_source_compiles(
+    "
+  #include \"headeronly.h\"
+
+  #ifndef HEADERONLY_DEFINE
+  #error Expected HEADERONLY_DEFINE
+  #endif
+
+  int main(int,char**)
+  {
+    HeaderOnly ho;
+    return ho.foo();
+  }
+  " ${prefix}IFACE_TRY_COMPILE)
+
+  if(NOT ${prefix}IFACE_TRY_COMPILE)
+    message(SEND_ERROR "${prefix} try_compile with IMPORTED INTERFACE target failed!\n\n${OUTPUT}")
+  endif()
+endmacro()
+
+do_try_compile(bld_)
+
+add_executable(headeronlytest_exp headeronlytest.cpp)
+target_link_libraries(headeronlytest_exp exp_headeronly)
+
+set_property(TARGET exp_sharediface APPEND PROPERTY INTERFACE_LINK_LIBRARIES define_iface)
+
+add_executable(interfacetest_exp interfacetest.cpp)
+target_link_libraries(interfacetest_exp exp_sharediface)
+
+do_try_compile(exp_)
diff --git a/Tests/ExportImport/Import/Interface/headeronlytest.cpp b/Tests/ExportImport/Import/Interface/headeronlytest.cpp
new file mode 100644
index 0000000..20674a7
--- /dev/null
+++ b/Tests/ExportImport/Import/Interface/headeronlytest.cpp
@@ -0,0 +1,17 @@
+
+#include "headeronly.h"
+
+#ifndef HEADERONLY_DEFINE
+#error Expected HEADERONLY_DEFINE
+#endif
+
+#ifdef SHAREDLIB_DEFINE
+#error Unexpected SHAREDLIB_DEFINE
+#endif
+
+
+int main(int,char**)
+{
+  HeaderOnly ho;
+  return ho.foo();
+}
diff --git a/Tests/ExportImport/Import/Interface/interfacetest.cpp b/Tests/ExportImport/Import/Interface/interfacetest.cpp
new file mode 100644
index 0000000..786458d
--- /dev/null
+++ b/Tests/ExportImport/Import/Interface/interfacetest.cpp
@@ -0,0 +1,20 @@
+
+#include "sharedlib.h"
+
+#ifndef SHAREDLIB_DEFINE
+#error Expected SHAREDLIB_DEFINE
+#endif
+
+#ifdef HEADERONLY_DEFINE
+#error Unexpected HEADERONLY_DEFINE
+#endif
+
+#ifndef DEFINE_IFACE_DEFINE
+#error Expected DEFINE_IFACE_DEFINE
+#endif
+
+int main(int,char**)
+{
+  SharedLibObject slo;
+  return slo.foo();
+}
diff --git a/Tests/InterfaceLibrary/CMakeLists.txt b/Tests/InterfaceLibrary/CMakeLists.txt
new file mode 100644
index 0000000..53aeb03
--- /dev/null
+++ b/Tests/InterfaceLibrary/CMakeLists.txt
@@ -0,0 +1,15 @@
+
+cmake_minimum_required(VERSION 2.8)
+
+project(InterfaceLibrary)
+
+add_library(iface_nodepends INTERFACE)
+target_compile_definitions(iface_nodepends INTERFACE IFACE_DEFINE)
+
+add_executable(InterfaceLibrary definetestexe.cpp)
+target_link_libraries(InterfaceLibrary iface_nodepends)
+
+add_subdirectory(libsdir)
+
+add_executable(sharedlibtestexe sharedlibtestexe.cpp)
+target_link_libraries(sharedlibtestexe shared_iface)
diff --git a/Tests/InterfaceLibrary/definetestexe.cpp b/Tests/InterfaceLibrary/definetestexe.cpp
new file mode 100644
index 0000000..decd37c
--- /dev/null
+++ b/Tests/InterfaceLibrary/definetestexe.cpp
@@ -0,0 +1,9 @@
+
+#ifndef IFACE_DEFINE
+#error Expected IFACE_DEFINE
+#endif
+
+int main(int,char**)
+{
+  return 0;
+}
diff --git a/Tests/InterfaceLibrary/libsdir/CMakeLists.txt b/Tests/InterfaceLibrary/libsdir/CMakeLists.txt
new file mode 100644
index 0000000..6999646
--- /dev/null
+++ b/Tests/InterfaceLibrary/libsdir/CMakeLists.txt
@@ -0,0 +1,26 @@
+
+include(GenerateExportHeader)
+
+add_library(sharedlib SHARED sharedlib.cpp)
+generate_export_header(sharedlib)
+
+add_library(shareddependlib SHARED shareddependlib.cpp)
+generate_export_header(shareddependlib)
+
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+set(CMAKE_INCLUDE_CURRENT_DIR_IN_INTERFACE ON)
+
+target_link_libraries(sharedlib PUBLIC shareddependlib)
+
+target_include_directories(shareddependlib
+  PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/shareddependlib")
+target_compile_definitions(shareddependlib
+  INTERFACE $<1:SHAREDDEPENDLIB_DEFINE>)
+
+target_include_directories(sharedlib
+  PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/sharedlib")
+target_compile_definitions(shareddependlib
+  INTERFACE $<1:SHAREDLIB_DEFINE>)
+
+add_library(shared_iface INTERFACE)
+target_link_libraries(shared_iface INTERFACE sharedlib)
diff --git a/Tests/InterfaceLibrary/libsdir/shareddependlib.cpp b/Tests/InterfaceLibrary/libsdir/shareddependlib.cpp
new file mode 100644
index 0000000..378ba81
--- /dev/null
+++ b/Tests/InterfaceLibrary/libsdir/shareddependlib.cpp
@@ -0,0 +1,7 @@
+
+#include "shareddependlib.h"
+
+int SharedDependLibObject::foo() const
+{
+  return 0;
+}
diff --git a/Tests/InterfaceLibrary/libsdir/shareddependlib/shareddependlib.h b/Tests/InterfaceLibrary/libsdir/shareddependlib/shareddependlib.h
new file mode 100644
index 0000000..ad9b484
--- /dev/null
+++ b/Tests/InterfaceLibrary/libsdir/shareddependlib/shareddependlib.h
@@ -0,0 +1,12 @@
+
+#ifndef SHAREDDEPENDLIB_H
+#define SHAREDDEPENDLIB_H
+
+#include "shareddependlib_export.h"
+
+struct SHAREDDEPENDLIB_EXPORT SharedDependLibObject
+{
+  int foo() const;
+};
+
+#endif
diff --git a/Tests/InterfaceLibrary/libsdir/sharedlib.cpp b/Tests/InterfaceLibrary/libsdir/sharedlib.cpp
new file mode 100644
index 0000000..c49ce90
--- /dev/null
+++ b/Tests/InterfaceLibrary/libsdir/sharedlib.cpp
@@ -0,0 +1,12 @@
+
+#include "sharedlib.h"
+
+SharedDependLibObject SharedLibObject::object() const
+{
+  SharedDependLibObject sdlo;
+  return sdlo;
+}
+int SharedLibObject::foo() const
+{
+  return 0;
+}
diff --git a/Tests/InterfaceLibrary/libsdir/sharedlib/sharedlib.h b/Tests/InterfaceLibrary/libsdir/sharedlib/sharedlib.h
new file mode 100644
index 0000000..5b3c7db
--- /dev/null
+++ b/Tests/InterfaceLibrary/libsdir/sharedlib/sharedlib.h
@@ -0,0 +1,15 @@
+
+#ifndef SHAREDLIB_H
+#define SHAREDLIB_H
+
+#include "sharedlib_export.h"
+
+#include "shareddependlib.h"
+
+struct SHAREDLIB_EXPORT SharedLibObject
+{
+  SharedDependLibObject object() const;
+  int foo() const;
+};
+
+#endif
diff --git a/Tests/InterfaceLibrary/sharedlibtestexe.cpp b/Tests/InterfaceLibrary/sharedlibtestexe.cpp
new file mode 100644
index 0000000..c677f70
--- /dev/null
+++ b/Tests/InterfaceLibrary/sharedlibtestexe.cpp
@@ -0,0 +1,19 @@
+
+#ifndef SHAREDLIB_DEFINE
+#error Expected SHAREDLIB_DEFINE
+#endif
+
+#ifndef SHAREDDEPENDLIB_DEFINE
+#error Expected SHAREDDEPENDLIB_DEFINE
+#endif
+
+#include "sharedlib.h"
+#include "shareddependlib.h"
+
+int main(int,char**)
+{
+  SharedLibObject sl;
+  SharedDependLibObject sdl = sl.object();
+
+  return sdl.foo() + sl.foo();
+}
diff --git a/Tests/PositionIndependentTargets/CMakeLists.txt b/Tests/PositionIndependentTargets/CMakeLists.txt
index eec893d..e79f3b7 100644
--- a/Tests/PositionIndependentTargets/CMakeLists.txt
+++ b/Tests/PositionIndependentTargets/CMakeLists.txt
@@ -9,5 +9,6 @@ include_directories("${CMAKE_CURRENT_SOURCE_DIR}") # For pic_test.h
 
 add_subdirectory(global)
 add_subdirectory(targets)
+add_subdirectory(interface)
 
 add_executable(PositionIndependentTargets main.cpp)
diff --git a/Tests/PositionIndependentTargets/interface/CMakeLists.txt b/Tests/PositionIndependentTargets/interface/CMakeLists.txt
new file mode 100644
index 0000000..65f3b76
--- /dev/null
+++ b/Tests/PositionIndependentTargets/interface/CMakeLists.txt
@@ -0,0 +1,27 @@
+
+add_library(piciface INTERFACE)
+set_property(TARGET piciface PROPERTY INTERFACE_POSITION_INDEPENDENT_CODE ON)
+
+add_executable(test_empty_iface "${CMAKE_CURRENT_SOURCE_DIR}/../pic_main.cpp")
+target_link_libraries(test_empty_iface piciface)
+
+add_library(sharedlib SHARED "${CMAKE_CURRENT_SOURCE_DIR}/../pic_lib.cpp")
+target_link_libraries(sharedlib piciface)
+set_property(TARGET sharedlib PROPERTY DEFINE_SYMBOL PIC_TEST_BUILD_DLL)
+
+add_executable(test_iface_via_shared "${CMAKE_CURRENT_SOURCE_DIR}/../pic_main.cpp")
+target_link_libraries(test_iface_via_shared sharedlib)
+
+add_library(sharedlibpic SHARED "${CMAKE_CURRENT_SOURCE_DIR}/../pic_lib.cpp")
+set_property(TARGET sharedlibpic PROPERTY INTERFACE_POSITION_INDEPENDENT_CODE ON)
+set_property(TARGET sharedlibpic PROPERTY DEFINE_SYMBOL PIC_TEST_BUILD_DLL)
+
+add_library(shared_iface INTERFACE)
+target_link_libraries(shared_iface INTERFACE sharedlibpic)
+
+add_executable(test_shared_via_iface "${CMAKE_CURRENT_SOURCE_DIR}/../pic_main.cpp")
+target_link_libraries(test_shared_via_iface shared_iface)
+
+add_executable(test_shared_via_iface_non_conflict "${CMAKE_CURRENT_SOURCE_DIR}/../pic_main.cpp")
+set_property(TARGET test_shared_via_iface_non_conflict PROPERTY POSITION_INDEPENDENT_CODE ON)
+target_link_libraries(test_shared_via_iface_non_conflict shared_iface)
diff --git a/Tests/RunCMake/CMakeLists.txt b/Tests/RunCMake/CMakeLists.txt
index 35c8e13..ee490b8 100644
--- a/Tests/RunCMake/CMakeLists.txt
+++ b/Tests/RunCMake/CMakeLists.txt
@@ -100,6 +100,7 @@ add_RunCMake_test(variable_watch)
 add_RunCMake_test(CMP0004)
 add_RunCMake_test(TargetPolicies)
 add_RunCMake_test(alias_targets)
+add_RunCMake_test(interface_library)
 
 find_package(Qt4 QUIET)
 find_package(Qt5Core QUIET)
diff --git a/Tests/RunCMake/PositionIndependentCode/Conflict4-result.txt b/Tests/RunCMake/PositionIndependentCode/Conflict4-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/PositionIndependentCode/Conflict4-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/PositionIndependentCode/Conflict4-stderr.txt b/Tests/RunCMake/PositionIndependentCode/Conflict4-stderr.txt
new file mode 100644
index 0000000..76d5ea0
--- /dev/null
+++ b/Tests/RunCMake/PositionIndependentCode/Conflict4-stderr.txt
@@ -0,0 +1,4 @@
+CMake Error: Property POSITION_INDEPENDENT_CODE on target "conflict" is
+implied to be FALSE because it was used to determine the link libraries
+already. The INTERFACE_POSITION_INDEPENDENT_CODE property on
+dependency "picon" is in conflict.
diff --git a/Tests/RunCMake/PositionIndependentCode/Conflict4.cmake b/Tests/RunCMake/PositionIndependentCode/Conflict4.cmake
new file mode 100644
index 0000000..ff5dfb3
--- /dev/null
+++ b/Tests/RunCMake/PositionIndependentCode/Conflict4.cmake
@@ -0,0 +1,8 @@
+
+add_library(piciface INTERFACE)
+
+add_library(picon INTERFACE)
+set_property(TARGET picon PROPERTY INTERFACE_POSITION_INDEPENDENT_CODE ON)
+
+add_executable(conflict "main.cpp")
+target_link_libraries(conflict picon $<$<BOOL:$<TARGET_PROPERTY:POSITION_INDEPENDENT_CODE>>:piciface>)
diff --git a/Tests/RunCMake/PositionIndependentCode/Conflict5-result.txt b/Tests/RunCMake/PositionIndependentCode/Conflict5-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/PositionIndependentCode/Conflict5-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/PositionIndependentCode/Conflict5-stderr.txt b/Tests/RunCMake/PositionIndependentCode/Conflict5-stderr.txt
new file mode 100644
index 0000000..ecd0492
--- /dev/null
+++ b/Tests/RunCMake/PositionIndependentCode/Conflict5-stderr.txt
@@ -0,0 +1,3 @@
+CMake Error: The INTERFACE_POSITION_INDEPENDENT_CODE property of "picoff" does
+not agree with the value of POSITION_INDEPENDENT_CODE already determined
+for "conflict".
diff --git a/Tests/RunCMake/PositionIndependentCode/Conflict5.cmake b/Tests/RunCMake/PositionIndependentCode/Conflict5.cmake
new file mode 100644
index 0000000..e6055f4
--- /dev/null
+++ b/Tests/RunCMake/PositionIndependentCode/Conflict5.cmake
@@ -0,0 +1,9 @@
+
+add_library(picon INTERFACE)
+set_property(TARGET picon PROPERTY INTERFACE_POSITION_INDEPENDENT_CODE ON)
+
+add_library(picoff INTERFACE)
+set_property(TARGET picoff PROPERTY INTERFACE_POSITION_INDEPENDENT_CODE OFF)
+
+add_executable(conflict "main.cpp")
+target_link_libraries(conflict picon picoff)
diff --git a/Tests/RunCMake/PositionIndependentCode/Conflict6-result.txt b/Tests/RunCMake/PositionIndependentCode/Conflict6-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/PositionIndependentCode/Conflict6-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/PositionIndependentCode/Conflict6-stderr.txt b/Tests/RunCMake/PositionIndependentCode/Conflict6-stderr.txt
new file mode 100644
index 0000000..0254e55
--- /dev/null
+++ b/Tests/RunCMake/PositionIndependentCode/Conflict6-stderr.txt
@@ -0,0 +1,4 @@
+Property POSITION_INDEPENDENT_CODE on target "conflict" is
+implied to be FALSE because it was used to determine the link libraries
+already. The INTERFACE_POSITION_INDEPENDENT_CODE property on
+dependency "picon" is in conflict.
diff --git a/Tests/RunCMake/PositionIndependentCode/Conflict6.cmake b/Tests/RunCMake/PositionIndependentCode/Conflict6.cmake
new file mode 100644
index 0000000..7ea7c5f
--- /dev/null
+++ b/Tests/RunCMake/PositionIndependentCode/Conflict6.cmake
@@ -0,0 +1,8 @@
+
+add_library(picoff INTERFACE)
+
+add_library(picon INTERFACE)
+set_property(TARGET picon PROPERTY INTERFACE_POSITION_INDEPENDENT_CODE ON)
+
+add_executable(conflict "main.cpp")
+target_link_libraries(conflict picon $<$<NOT:$<BOOL:$<TARGET_PROPERTY:POSITION_INDEPENDENT_CODE>>>:picoff>)
diff --git a/Tests/RunCMake/PositionIndependentCode/RunCMakeTest.cmake b/Tests/RunCMake/PositionIndependentCode/RunCMakeTest.cmake
index 64a340c..3a2009b 100644
--- a/Tests/RunCMake/PositionIndependentCode/RunCMakeTest.cmake
+++ b/Tests/RunCMake/PositionIndependentCode/RunCMakeTest.cmake
@@ -3,3 +3,6 @@ include(RunCMake)
 run_cmake(Conflict1)
 run_cmake(Conflict2)
 run_cmake(Conflict3)
+run_cmake(Conflict4)
+run_cmake(Conflict5)
+run_cmake(Conflict6)
diff --git a/Tests/RunCMake/interface_library/CMakeLists.txt b/Tests/RunCMake/interface_library/CMakeLists.txt
new file mode 100644
index 0000000..12cd3c7
--- /dev/null
+++ b/Tests/RunCMake/interface_library/CMakeLists.txt
@@ -0,0 +1,3 @@
+cmake_minimum_required(VERSION 2.8.4)
+project(${RunCMake_TEST} NONE)
+include(${RunCMake_TEST}.cmake)
diff --git a/Tests/RunCMake/interface_library/RunCMakeTest.cmake b/Tests/RunCMake/interface_library/RunCMakeTest.cmake
new file mode 100644
index 0000000..56caf68
--- /dev/null
+++ b/Tests/RunCMake/interface_library/RunCMakeTest.cmake
@@ -0,0 +1,4 @@
+include(RunCMake)
+
+run_cmake(invalid_name)
+run_cmake(target_commands)
diff --git a/Tests/RunCMake/interface_library/invalid_name-result.txt b/Tests/RunCMake/interface_library/invalid_name-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/interface_library/invalid_name-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/interface_library/invalid_name-stderr.txt b/Tests/RunCMake/interface_library/invalid_name-stderr.txt
new file mode 100644
index 0000000..e14fcde
--- /dev/null
+++ b/Tests/RunCMake/interface_library/invalid_name-stderr.txt
@@ -0,0 +1,15 @@
+CMake Error at invalid_name.cmake:2 \(add_library\):
+  add_library Invalid name for INTERFACE library target: if\$ace
+Call Stack \(most recent call first\):
+  CMakeLists.txt:3 \(include\)
++
+CMake Error at invalid_name.cmake:4 \(add_library\):
+  add_library Invalid name for INTERFACE library target: iface::target
+Call Stack \(most recent call first\):
+  CMakeLists.txt:3 \(include\)
++
+CMake Error at invalid_name.cmake:6 \(add_library\):
+  add_library Invalid name for IMPORTED INTERFACE library target:
+  if\$target_imported
+Call Stack \(most recent call first\):
+  CMakeLists.txt:3 \(include\)
diff --git a/Tests/RunCMake/interface_library/invalid_name.cmake b/Tests/RunCMake/interface_library/invalid_name.cmake
new file mode 100644
index 0000000..9a965aa
--- /dev/null
+++ b/Tests/RunCMake/interface_library/invalid_name.cmake
@@ -0,0 +1,6 @@
+
+add_library(if$ace INTERFACE)
+
+add_library(iface::target INTERFACE)
+
+add_library(if$target_imported INTERFACE IMPORTED)
diff --git a/Tests/RunCMake/interface_library/target_commands-result.txt b/Tests/RunCMake/interface_library/target_commands-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/interface_library/target_commands-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/interface_library/target_commands-stderr.txt b/Tests/RunCMake/interface_library/target_commands-stderr.txt
new file mode 100644
index 0000000..be11b77
--- /dev/null
+++ b/Tests/RunCMake/interface_library/target_commands-stderr.txt
@@ -0,0 +1,47 @@
+CMake Error at target_commands.cmake:4 \(target_link_libraries\):
+  INTERFACE library can only be used with the INTERFACE keyword of
+  target_link_libraries
+Call Stack \(most recent call first\):
+  CMakeLists.txt:3 \(include\)
++
+CMake Error at target_commands.cmake:5 \(target_link_libraries\):
+  INTERFACE library can only be used with the INTERFACE keyword of
+  target_link_libraries
+Call Stack \(most recent call first\):
+  CMakeLists.txt:3 \(include\)
++
+CMake Error at target_commands.cmake:6 \(target_link_libraries\):
+  INTERFACE library can only be used with the INTERFACE keyword of
+  target_link_libraries
+Call Stack \(most recent call first\):
+  CMakeLists.txt:3 \(include\)
++
+CMake Error at target_commands.cmake:7 \(target_link_libraries\):
+  INTERFACE library can only be used with the INTERFACE keyword of
+  target_link_libraries
+Call Stack \(most recent call first\):
+  CMakeLists.txt:3 \(include\)
++
+CMake Error at target_commands.cmake:9 \(target_include_directories\):
+  target_include_directories may only be set INTERFACE properties on
+  INTERFACE targets
+Call Stack \(most recent call first\):
+  CMakeLists.txt:3 \(include\)
++
+CMake Error at target_commands.cmake:10 \(target_include_directories\):
+  target_include_directories may only be set INTERFACE properties on
+  INTERFACE targets
+Call Stack \(most recent call first\):
+  CMakeLists.txt:3 \(include\)
++
+CMake Error at target_commands.cmake:12 \(target_compile_definitions\):
+  target_compile_definitions may only be set INTERFACE properties on
+  INTERFACE targets
+Call Stack \(most recent call first\):
+  CMakeLists.txt:3 \(include\)
++
+CMake Error at target_commands.cmake:13 \(target_compile_definitions\):
+  target_compile_definitions may only be set INTERFACE properties on
+  INTERFACE targets
+Call Stack \(most recent call first\):
+  CMakeLists.txt:3 \(include\)
diff --git a/Tests/RunCMake/interface_library/target_commands.cmake b/Tests/RunCMake/interface_library/target_commands.cmake
new file mode 100644
index 0000000..3182e89
--- /dev/null
+++ b/Tests/RunCMake/interface_library/target_commands.cmake
@@ -0,0 +1,13 @@
+
+add_library(iface INTERFACE)
+
+target_link_libraries(iface PRIVATE foo)
+target_link_libraries(iface PUBLIC foo)
+target_link_libraries(iface foo)
+target_link_libraries(iface LINK_INTERFACE_LIBRARIES foo)
+
+target_include_directories(iface PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}")
+target_include_directories(iface PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}")
+
+target_compile_definitions(iface PRIVATE SOME_DEFINE)
+target_compile_definitions(iface PUBLIC SOME_DEFINE)