cmake: Add wayland support

Add cach option `waffle_has_wayland`. If set, then
    - Define macro WAFFLE_HAS_WAYLAND.
    - Require libwayland-client and libwayland-egl.
    - Link them into libwaffle.

No wayland sources are compiled yet.

Signed-off-by: Chad Versace <chad.versace@linux.intel.com>

2 files changed, 27 insertions, 3 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7f3cb27..cb22574 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -40,6 +40,7 @@ option(waffle_build_tests "Build tests" ON)
 option(waffle_build_examples "Build examples" ON)
 
 option(waffle_has_glx "Build support for GLX" OFF)
+option(waffle_has_wayland "Build support for Wayland" OFF)
 option(waffle_has_x11_egl "Build support for X11/EGL" OFF)
 
 set(waffle_install_includedir "${CMAKE_INSTALL_PREFIX}/include"
@@ -55,11 +56,11 @@ set(waffle_install_docdir "${CMAKE_INSTALL_PREFIX}/share/doc/waffle"
 # Set internal options.
 #
 
-if(waffle_has_x11_egl)
+if(waffle_has_wayland OR waffle_has_x11_egl)
     set(waffle_has_egl TRUE)
-else(waffle_has_x11_egl)
+else(waffle_has_wayland OR waffle_has_x11_egl)
     set(waffle_has_egl FALSE)
-endif(waffle_has_x11_egl)
+endif(waffle_has_wayland OR waffle_has_x11_egl)
 
 if(waffle_has_glx OR waffle_has_x11_egl)
     set(waffle_has_x11 TRUE)
@@ -100,6 +101,11 @@ if(waffle_has_glx)
     waffle_find_library(waffle_GL_library GL)
 endif(waffle_has_glx)
 
+if(waffle_has_wayland)
+    waffle_find_library(waffle_wayland-client_library wayland-client)
+    waffle_find_library(waffle_wayland-egl_library wayland-egl)
+endif(waffle_has_wayland)
+
 if(waffle_has_x11)
     waffle_find_library(waffle_X11-xcb_library X11-xcb)
 endif(waffle_has_x11)
@@ -128,6 +134,10 @@ if(waffle_has_glx)
     add_definitions(-DWAFFLE_HAS_GLX)
 endif(waffle_has_glx)
 
+if(waffle_has_wayland)
+    add_definitions(-DWAFFLE_HAS_WAYLAND)
+endif(waffle_has_wayland)
+
 if(waffle_has_x11_egl)
     add_definitions(-DWAFFLE_HAS_X11_EGL)
 endif(waffle_has_x11_egl)
@@ -187,6 +197,9 @@ message("Supported platforms: ")
 if(waffle_has_glx)
     message("    glx")
 endif(waffle_has_glx)
+if(waffle_has_wayland)
+    message("    wayland")
+endif(waffle_has_wayland)
 if(waffle_has_x11_egl)
     message("    x11_egl")
 endif(waffle_has_x11_egl)
@@ -198,6 +211,10 @@ endif(DEFINED waffle_EGL_library)
 if(DEFINED waffle_GL_library)
     message("    GL: ${waffle_GL_library}")
 endif(DEFINED waffle_GL_library)
+if(waffle_has_wayland)
+    message("    wayland-client: ${waffle_wayland-client_library}")
+    message("    wayland-egl: ${waffle_wayland-egl_library}")
+endif(waffle_has_wayland)
 if(DEFINED waffle_X11-xcb_library)
     message("    X11-xcb: ${waffle_X11-xcb_library}")
 endif(DEFINED waffle_X11-xcb_library)
diff --git a/src/waffle/CMakeLists.txt b/src/waffle/CMakeLists.txt
index bbf899b..da4938b 100644
--- a/src/waffle/CMakeLists.txt
+++ b/src/waffle/CMakeLists.txt
@@ -63,6 +63,13 @@ if(waffle_has_glx)
     target_link_libraries(waffle ${waffle_GL_library})
 endif(waffle_has_glx)
 
+if(waffle_has_wayland)
+    target_link_libraries(waffle
+        ${waffle_wayland-client_library}
+        ${waffle_wayland-egl_library}
+        )
+endif(waffle_has_wayland)
+
 if(waffle_has_x11_egl)
   target_link_libraries(waffle ${waffle_X11-xcb_library})
 endif(waffle_has_x11_egl)