Support out-of-tree testing with CMake
Create extra symbolic links with CMake so that SSL testing (ssl-opt.sh
and compat.sh) works in out-of-tree builds.
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6b3182b..98cb3a9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,6 +18,30 @@
CACHE STRING "Choose the type of build: None Debug Release Coverage ASan ASanDbg MemSan MemSanDbg Check CheckFull"
FORCE)
+# Create a symbolic link from ${base_name} in the binary directory
+# to the corresponding path in the source directory.
+function(link_to_source base_name)
+ # Get OS dependent path to use in `execute_process`
+ file(TO_NATIVE_PATH "${CMAKE_CURRENT_BINARY_DIR}/${base_name}" link)
+ file(TO_NATIVE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/${base_name}" target)
+
+ if (NOT EXISTS ${link})
+ if (CMAKE_HOST_UNIX)
+ set(command ln -s ${target} ${link})
+ else()
+ set(command cmd.exe /c mklink /j ${link} ${target})
+ endif()
+
+ execute_process(COMMAND ${command}
+ RESULT_VARIABLE result
+ ERROR_VARIABLE output)
+
+ if (NOT ${result} EQUAL 0)
+ message(FATAL_ERROR "Could not create symbolic link for: ${target} --> ${output}")
+ endif()
+ endif()
+endfunction(link_to_source)
+
string(REGEX MATCH "Clang" CMAKE_COMPILER_IS_CLANG "${CMAKE_C_COMPILER_ID}")
if(CMAKE_COMPILER_IS_GNUCC)
@@ -137,3 +161,9 @@
)
endif(UNIX)
endif()
+
+# Make scripts and data files needed for testing available in an
+# out-of-source build.
+if (NOT ${CMAKE_CURRENT_BINARY_DIR} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR})
+ link_to_source(scripts)
+endif()