Initial release

deps/GLEW/glew/CMakeLists.txt

@@ -0,0 +1,44 @@
+cmake_minimum_required(VERSION 3.0)
+project(GLEW)
+
+find_package(OpenGL REQUIRED)
+
+# Allow parent project to control EGL usage.
+# Default to OFF since OrcaSlicer forces GDK_BACKEND=x11 (using GLX contexts).
+# GLEW must use glXGetProcAddressARB (GLX) to match wxWidgets GL canvas.
+# Using EGL function loading with GLX contexts causes rendering failures.
+option(GLEW_USE_EGL "Use EGL instead of GLX for OpenGL function loading" OFF)
+
+if(GLEW_USE_EGL)
+    message(STATUS "Building GLEW with EGL support")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DGLEW_EGL")
+else()
+    message(STATUS "Building GLEW with GLX support")
+endif()
+
+add_library(GLEW src/glew.c)
+target_include_directories(GLEW PRIVATE include/)
+target_link_libraries(GLEW PUBLIC OpenGL::GL)
+
+if (NOT BUILD_SHARED_LIBS)
+    target_compile_definitions(GLEW PUBLIC GLEW_STATIC)
+endif ()
+
+include(GNUInstallDirs)
+
+install( 
+    FILES
+        ${PROJECT_SOURCE_DIR}/include/GL/glew.h
+        ${PROJECT_SOURCE_DIR}/include/GL/wglew.h
+        ${PROJECT_SOURCE_DIR}/include/GL/glxew.h
+        ${PROJECT_SOURCE_DIR}/include/GL/eglew.h
+    DESTINATION
+        ${CMAKE_INSTALL_INCLUDEDIR}/GL
+)
+
+install(TARGETS GLEW GLEW
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} 
+    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+)