+
+if (MSVC)
+ add_subdirectory (thirdparty/getopt EXCLUDE_FROM_ALL)
+ include_directories (${CMAKE_CURRENT_SOURCE_DIR}/thirdparty/getopt)
+ set (GETOPT_LIBRARIES getopt_bundled)
+endif ()
+
+if (WIN32)
+ add_subdirectory (thirdparty/less)
+endif ()
+
+# The Qt website provides binaries for Windows and MacOSX, and they are
+# automatically found by cmake without any manual intervention. The situation
+# for QJSON is substantially different: there are no binaries for QJSON
+# available, and there is no standard installation directory that is detected
+# by cmake.
+#
+# By bundling the QJSON source, we make it much more easier to build the GUI on
+# Windows and MacOSX. But we only use the bundled sources when ENABLE_GUI is
+# AUTO.
+if (QT4_FOUND AND NOT QJSON_FOUND AND (ENABLE_GUI STREQUAL "AUTO"))
+ add_subdirectory (thirdparty/qjson EXCLUDE_FROM_ALL)
+ set (QJSON_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/thirdparty)
+ set (QJSON_LIBRARY_DIRS)
+ set (QJSON_LIBRARIES qjson_bundled)
+ set (QJSON_FOUND TRUE)
+endif ()
+
+# We use bundled headers for all Khronos APIs, to guarantee support for both
+# OpenGL and OpenGL ES at build time, because the OpenGL and OpenGL ES 1 APIs
+# are so intertwined that conditional compilation extremely difficult. This
+# also avoids missing/inconsistent declarations in system headers.
+include_directories (BEFORE ${CMAKE_CURRENT_SOURCE_DIR}/thirdparty/khronos)
+
+##############################################################################
+# Installation directories
+
+if (WIN32 OR APPLE)
+ # On Windows/MacOSX, applications are usually installed on a directory of
+ # their own
+ set (DOC_INSTALL_DIR doc)
+ set (LIB_INSTALL_DIR lib)
+else ()
+ set (DOC_INSTALL_DIR share/doc/${CMAKE_PROJECT_NAME})
+ set (LIB_INSTALL_DIR lib/${CMAKE_PROJECT_NAME})
+endif ()
+
+set(SCRIPTS_INSTALL_DIR ${LIB_INSTALL_DIR}/scripts)
+set(WRAPPER_INSTALL_DIR ${LIB_INSTALL_DIR}/wrappers)
+
+# Expose the binary/install directories to source
+#
+# TODO: Use the same directory layout, for both build and install directories,
+# so that binaries can find each other using just relative paths.
+#
+add_definitions(
+ -DAPITRACE_BINARY_DIR="${CMAKE_BINARY_DIR}"
+ -DAPITRACE_INSTALL_PREFIX="${CMAKE_INSTALL_PREFIX}"
+ -DAPITRACE_WRAPPER_INSTALL_DIR="${CMAKE_INSTALL_PREFIX}/${WRAPPER_INSTALL_DIR}"
+)