1 files changed, 65 insertions, 0 deletions
diff --git a/CMake/Misc.cmake b/CMake/Misc.cmake
new file mode 100644
index 000000000..584a4da2a
--- /dev/null
+++ b/CMake/Misc.cmake
@@ -0,0 +1,65 @@
+include(CheckCXXCompilerFlag)
+
+# Flatten our header structure
+function(flatify target headers)
+    foreach(header ${headers})
+        get_filename_component(tgt ${header} NAME)
+        configure_file(${header} ${target}/${tgt} @ONLY)
+    endforeach(header ${headers})
+endfunction()
+
+
+function(add_optional_compile_options flags)
+    foreach(flag ${flags})
+        check_cxx_compiler_flag(-${flag} have-compiler-flag:-${flag})
+        if (have-compiler-flag:-${flag})
+            add_compile_options("-${flag}")
+        endif()
+    endforeach()
+endfunction()
+
+# Substitute vendor references in a file
+function(add_vendor_file)
+    set(options)
+    set(oneValueArgs OUTPUT INPUT MODE)
+    set(multiValueArgs VARIABLES)
+    cmake_parse_arguments(AVF "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
+    message(STATUS "Configuring vendor file ${AVF_OUTPUT}")
+
+    FILE(READ ${CMAKE_CURRENT_SOURCE_DIR}/${AVF_INPUT} input)
+    foreach(variable ${AVF_VARIABLES})
+        execute_process(COMMAND ../vendor/getinfo ${variable} OUTPUT_VARIABLE value OUTPUT_STRIP_TRAILING_WHITESPACE)
+        string(REPLACE "&${variable};" "${value}" input "${input}")
+    endforeach()
+    file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/${AVF_OUTPUT} "${input}")
+
+    execute_process(COMMAND chmod ${AVF_MODE} ${CMAKE_CURRENT_BINARY_DIR}/${AVF_OUTPUT})
+endfunction()
+
+# Add symbolic links to a file
+function(add_slaves destination master)
+    set(slaves "")
+    foreach(slave ${ARGN})
+        add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${slave}
+                           COMMAND ${CMAKE_COMMAND} -E create_symlink ${master} ${CMAKE_CURRENT_BINARY_DIR}/${slave})
+        list(APPEND slaves ${CMAKE_CURRENT_BINARY_DIR}/${slave})
+    endforeach()
+
+    STRING(REPLACE "/" "-" master "${master}")
+    add_custom_target(${master}-slaves ALL DEPENDS ${slaves})
+    install(FILES ${slaves} DESTINATION ${destination})
+endfunction()
+
+# Generates a simple version script versioning everything with current SOVERSION
+function(add_version_script target)
+    get_target_property(soversion ${target} SOVERSION)
+    set(script "${CMAKE_CURRENT_BINARY_DIR}/${target}.versionscript")
+    string(REPLACE "-" "" name "${target}_${soversion}")
+    string(TOUPPER "${name}" name)
+    add_custom_command(OUTPUT "${script}"
+                       COMMAND echo "${name} {global: *; };" > "${script}"
+                       VERBATIM )
+    add_custom_target(${target}-versionscript DEPENDS "${script}")
+    target_link_libraries(${target} PRIVATE -Wl,-version-script="${script}")
+    add_dependencies(${target} ${target}-versionscript)
+endfunction()