| diff --git a/a/CMakeLists.txt b/b/CMakeLists.txt |
| index eaaf8c0..ef94fde 100644 |
| --- a/a/CMakeLists.txt |
| +++ b/b/CMakeLists.txt |
| @@ -25,6 +25,7 @@ endif () |
| # still providing a mechanism to force/disable these optional dependencies, as |
| # prescribed in http://www.gentoo.org/proj/en/qa/automagic.xml |
| set (ENABLE_GUI "AUTO" CACHE STRING "Enable Qt GUI.") |
| +set (ENABLE_X11 "AUTO" CACHE STRING "Enable X11.") |
| |
| set (ENABLE_CLI true CACHE BOOL "Enable command Line interface.") |
| |
| @@ -75,7 +76,17 @@ if (WIN32) |
| set (ENABLE_EGL false) |
| elseif (APPLE) |
| set (ENABLE_EGL false) |
| -else () |
| +endif () |
| + |
| +if (WIN32 OR APPLE OR ANDROID) |
| + set (ENABLE_X11 false) |
| +endif () |
| + |
| +if (ENABLE_X11) |
| + if (NOT (ENABLE_X11 STREQUAL "AUTO")) |
| + set (REQUIRE_X11 REQUIRED) |
| + endif () |
| + |
| find_package (X11) |
| |
| if (X11_FOUND) |
| @@ -85,6 +96,9 @@ else () |
| # Print a clear message when X11 is not found |
| include (FindPackageMessage) |
| find_package_message (X11 "Could not find X11" "") |
| + if (DEFINED REQUIRE_X11) |
| + message(FATAL_ERROR "X11 is required") |
| + endif () |
| endif () |
| endif () |
| |
