Merge topic 'try-run-link-libraries'

d0adcccb try_run: Add tests for LINK_LIBRARIES with mock libraries.
223c5cb7 try_run: Add test for bad link libraries.
e2b1f058 try_run: Add support for LINK_LIBRARIES option.

9 files changed, 50 insertions, 2 deletions

diff --git a/Tests/ExportImport/Import/A/CMakeLists.txt b/Tests/ExportImport/Import/A/CMakeLists.txt
index 9450c82a5b..358776bfd8 100644
--- a/Tests/ExportImport/Import/A/CMakeLists.txt
+++ b/Tests/ExportImport/Import/A/CMakeLists.txt
@@ -311,6 +311,21 @@ if (((CMAKE_C_COMPILER_ID STREQUAL GNU AND CMAKE_C_COMPILER_VERSION VERSION_GREA
       message(SEND_ERROR "EXP_ERROR_VARIABLE try_compile failed, but it was expected to succeed ${OUTPUT}.")
     endif()
 
+    if(NOT CMAKE_CROSSCOMPILING)
+      unset(EXP_RUN_VAR CACHE)
+      unset(EXP_COMPILE_VAR CACHE)
+      try_run(EXP_RUN_VAR EXP_COMPILE_VAR
+        "${CMAKE_CURRENT_SOURCE_DIR}/test_system"
+        "${CMAKE_CURRENT_SOURCE_DIR}/test_system.cpp"
+        COMPILE_DEFINITIONS "-Wunused-variable -Werror=unused-variable"
+        LINK_LIBRARIES exp_systemlib
+        OUTPUT_VARIABLE OUTPUT
+        )
+      if(NOT EXP_COMPILE_VAR)
+        message(SEND_ERROR "try_run compile failed, but it was expected to succeed ${OUTPUT}.")
+      endif()
+    endif()
+
     add_executable(test_system_bld test_system.cpp)
     target_link_libraries(test_system_bld bld_systemlib)
     target_compile_options(test_system_bld PRIVATE -Wunused-variable -Werror=unused-variable)
@@ -326,5 +341,20 @@ if (((CMAKE_C_COMPILER_ID STREQUAL GNU AND CMAKE_C_COMPILER_VERSION VERSION_GREA
     if(NOT BLD_ERROR_VARIABLE)
       message(SEND_ERROR "BLD_ERROR_VARIABLE try_compile failed, but it was expected to succeed.")
     endif()
+
+    if(NOT CMAKE_CROSSCOMPILING)
+      unset(BLD_RUN_VAR CACHE)
+      unset(BLD_COMPILE_VAR CACHE)
+      try_run(BLD_RUN_VAR BLD_COMPILE_VAR
+        "${CMAKE_CURRENT_SOURCE_DIR}/test_system"
+        "${CMAKE_CURRENT_SOURCE_DIR}/test_system.cpp"
+        COMPILE_DEFINITIONS "-Wunused-variable -Werror=unused-variable"
+        LINK_LIBRARIES bld_systemlib
+        OUTPUT_VARIABLE OUTPUT
+        )
+      if(NOT BLD_COMPILE_VAR)
+        message(SEND_ERROR "try_run compile failed, but it was expected to succeed ${OUTPUT}.")
+      endif()
+    endif()
   endif()
 endif()
diff --git a/Tests/RunCMake/CMakeLists.txt b/Tests/RunCMake/CMakeLists.txt
index 3a61751891..3767e70c04 100644
--- a/Tests/RunCMake/CMakeLists.txt
+++ b/Tests/RunCMake/CMakeLists.txt
@@ -132,6 +132,7 @@ add_RunCMake_test(project)
 add_RunCMake_test(return)
 add_RunCMake_test(string)
 add_RunCMake_test(try_compile)
+add_RunCMake_test(try_run)
 add_RunCMake_test(set)
 add_RunCMake_test(variable_watch)
 add_RunCMake_test(CMP0004)
diff --git a/Tests/RunCMake/try_compile/BadLinkLibraries-stderr.txt b/Tests/RunCMake/try_compile/BadLinkLibraries-stderr.txt
index eceffecc86..652bcfcd10 100644
--- a/Tests/RunCMake/try_compile/BadLinkLibraries-stderr.txt
+++ b/Tests/RunCMake/try_compile/BadLinkLibraries-stderr.txt
@@ -1,5 +1,5 @@
 CMake Error at BadLinkLibraries.cmake:2 \(try_compile\):
-  Only libraries may be used as try_compile IMPORTED LINK_LIBRARIES.  Got
-  not_a_library of type UTILITY.
+  Only libraries may be used as try_compile or try_run IMPORTED
+  LINK_LIBRARIES.  Got not_a_library of type UTILITY.
 Call Stack \(most recent call first\):
   CMakeLists.txt:3 \(include\)
diff --git a/Tests/RunCMake/try_run/BadLinkLibraries-result.txt b/Tests/RunCMake/try_run/BadLinkLibraries-result.txt
new file mode 100644
index 0000000000..d00491fd7e
--- /dev/null
+++ b/Tests/RunCMake/try_run/BadLinkLibraries-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/try_run/BadLinkLibraries-stderr.txt b/Tests/RunCMake/try_run/BadLinkLibraries-stderr.txt
new file mode 100644
index 0000000000..dcd1bfcbc2
--- /dev/null
+++ b/Tests/RunCMake/try_run/BadLinkLibraries-stderr.txt
@@ -0,0 +1,5 @@
+CMake Error at BadLinkLibraries.cmake:2 \(try_run\):
+  Only libraries may be used as try_compile or try_run IMPORTED
+  LINK_LIBRARIES.  Got not_a_library of type UTILITY.
+Call Stack \(most recent call first\):
+  CMakeLists.txt:3 \(include\)
diff --git a/Tests/RunCMake/try_run/BadLinkLibraries.cmake b/Tests/RunCMake/try_run/BadLinkLibraries.cmake
new file mode 100644
index 0000000000..a124bf6e19
--- /dev/null
+++ b/Tests/RunCMake/try_run/BadLinkLibraries.cmake
@@ -0,0 +1,4 @@
+add_custom_target(not_a_library)
+try_run(RUN_RESULT COMPILE_RESULT
+  ${CMAKE_CURRENT_BINARY_DIR}/CMakeTmp ${CMAKE_CURRENT_SOURCE_DIR}/src.c
+  LINK_LIBRARIES not_a_library)
diff --git a/Tests/RunCMake/try_run/CMakeLists.txt b/Tests/RunCMake/try_run/CMakeLists.txt
new file mode 100644
index 0000000000..e03478039a
--- /dev/null
+++ b/Tests/RunCMake/try_run/CMakeLists.txt
@@ -0,0 +1,3 @@
+cmake_minimum_required(VERSION 2.8.0)
+project(${RunCMake_TEST} C)
+include(${RunCMake_TEST}.cmake)
diff --git a/Tests/RunCMake/try_run/RunCMakeTest.cmake b/Tests/RunCMake/try_run/RunCMakeTest.cmake
new file mode 100644
index 0000000000..1ec9a55aa8
--- /dev/null
+++ b/Tests/RunCMake/try_run/RunCMakeTest.cmake
@@ -0,0 +1,3 @@
+include(RunCMake)
+
+run_cmake(BadLinkLibraries)
diff --git a/Tests/RunCMake/try_run/src.c b/Tests/RunCMake/try_run/src.c
new file mode 100644
index 0000000000..78f2de106c
--- /dev/null
+++ b/Tests/RunCMake/try_run/src.c
@@ -0,0 +1 @@
+int main(void) { return 0; }