Making includes absolute, part 2: make it compile again.

Added new root CMakeLists.txt file, the old include paths are used only
if MAGNUM_BUILD_DEPRECATED is set, thus it can now compile and install
only if deprecated build is enabled.

CMakeLists.txt

@@ -156,8 +156,8 @@ set(MAGNUM_PLUGINS_AUDIOIMPORTER_INSTALL_DIR ${MAGNUM_PLUGINS_INSTALL_DIR}/audio
 set(MAGNUM_DATA_INSTALL_DIR ${CMAKE_INSTALL_PREFIX}/share/magnum)
 set(MAGNUM_CMAKE_FIND_MODULE_INSTALL_DIR ${CMAKE_ROOT}/Modules)
 set(MAGNUM_INCLUDE_INSTALL_DIR ${CMAKE_INSTALL_PREFIX}/include/Magnum)
-set(MAGNUM_PLUGINS_INCLUDE_INSTALL_DIR ${CMAKE_INSTALL_PREFIX}/include/Magnum/Plugins)
+set(MAGNUM_EXTERNAL_INCLUDE_INSTALL_DIR ${CMAKE_INSTALL_PREFIX}/include/MagnumExternal)
+set(MAGNUM_PLUGINS_INCLUDE_INSTALL_DIR ${CMAKE_INSTALL_PREFIX}/include/MagnumPlugins)
 
-add_subdirectory(external)
 add_subdirectory(modules)
 add_subdirectory(src)

src/CMakeLists.txt

@@ -0,0 +1,58 @@
+#
+#   This file is part of Magnum.
+#
+#   Copyright © 2010, 2011, 2012, 2013 Vladimír Vondruš <mosra@centrum.cz>
+#
+#   Permission is hereby granted, free of charge, to any person obtaining a
+#   copy of this software and associated documentation files (the "Software"),
+#   to deal in the Software without restriction, including without limitation
+#   the rights to use, copy, modify, merge, publish, distribute, sublicense,
+#   and/or sell copies of the Software, and to permit persons to whom the
+#   Software is furnished to do so, subject to the following conditions:
+#
+#   The above copyright notice and this permission notice shall be included
+#   in all copies or substantial portions of the Software.
+#
+#   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+#   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+#   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+#   THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+#   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+#   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+#   DEALINGS IN THE SOFTWARE.
+#
+
+# Disable `-pedantic` for GCC 4.6, as the compiler doesn't like
+# list-initialization of array of classes (RectangularMatrix constructors). It
+# is perfectly legal C++11 and both GCC 4.7 and Clang accept it without notice.
+if(CORRADE_GCC46_COMPATIBILITY)
+    string(REPLACE "-pedantic" "" CORRADE_CXX_FLAGS "${CORRADE_CXX_FLAGS}")
+endif()
+
+# On 4.8.2 strict aliasing causes failure of DebugToolsCylinderRendererTest
+# without any warning, only in release build, any attempt to add debug print
+# results in issue disappearing. Not an issue on Clang or GCC < 4.8.
+if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" AND NOT "${CMAKE_CXX_COMPILER_VERSION}" VERSION_LESS "4.8.0")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-strict-aliasing")
+endif()
+
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CORRADE_CXX_FLAGS}")
+
+include_directories(${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR} ${CORRADE_INCLUDE_DIR})
+
+# We can use both implicit include path (GLES2/gl2.h) where our headers can
+# be overriden with system ones or explicit (MagnumExternal/OpenGL/GLES2/gl2ext.h)
+# where only our headers will be used
+include_directories(${CMAKE_SOURCE_DIR}/src/MagnumExternal/OpenGL)
+
+if(MAGNUM_BUILD_DEPRECATED)
+    include_directories(
+        ${CMAKE_CURRENT_SOURCE_DIR}/Magnum
+        ${CMAKE_CURRENT_BINARY_DIR}/Magnum
+        ${CMAKE_CURRENT_SOURCE_DIR}/MagnumPlugins
+        ${CMAKE_CURRENT_SOURCE_DIR}/MagnumExternal)
+endif()
+
+add_subdirectory(MagnumExternal)
+add_subdirectory(Magnum)
+add_subdirectory(MagnumPlugins)

src/Magnum/CMakeLists.txt

@@ -22,32 +22,6 @@
 #   DEALINGS IN THE SOFTWARE.
 #
 
-# Disable `-pedantic` for GCC 4.6, as the compiler doesn't like
-# list-initialization of array of classes (RectangularMatrix constructors). It
-# is perfectly legal C++11 and both GCC 4.7 and Clang accept it without notice.
-if(CORRADE_GCC46_COMPATIBILITY)
-    string(REPLACE "-pedantic" "" CORRADE_CXX_FLAGS "${CORRADE_CXX_FLAGS}")
-endif()
-
-# On 4.8.2 strict aliasing causes failure of DebugToolsCylinderRendererTest
-# without any warning, only in release build, any attempt to add debug print
-# results in issue disappearing. Not an issue on Clang or GCC < 4.8.
-if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" AND NOT "${CMAKE_CXX_COMPILER_VERSION}" VERSION_LESS "4.8.0")
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-strict-aliasing")
-endif()
-
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CORRADE_CXX_FLAGS}")
-include_directories(
-    ${CMAKE_CURRENT_SOURCE_DIR}
-    ${CMAKE_CURRENT_BINARY_DIR}
-    ${CORRADE_INCLUDE_DIR}
-
-    # We can use both implicit include path (GLES2/gl2.h) where our headers can
-    # be overriden with system ones or explicit (OpenGL/GLES2/gl2ext.h) where
-    # only our headers will be used
-    ${CMAKE_SOURCE_DIR}/external
-    ${CMAKE_SOURCE_DIR}/external/OpenGL)
-
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/magnumConfigure.h.cmake
                ${CMAKE_CURRENT_BINARY_DIR}/magnumConfigure.h)
 
@@ -212,7 +186,6 @@ install(FILES ${CMAKE_CURRENT_BINARY_DIR}/magnumConfigure.h DESTINATION ${MAGNUM
 
 add_subdirectory(Math)
 add_subdirectory(Platform)
-add_subdirectory(Plugins)
 add_subdirectory(Trade)
 
 if(WITH_AUDIO)

src/MagnumExternal/OpenGL/GL/CMakeLists.txt

@@ -30,4 +30,4 @@ else()
     set_target_properties(MagnumGLLoadGenObjects PROPERTIES COMPILE_FLAGS "${CMAKE_SHARED_LIBRARY_CXX_FLAGS} -DGLLoadGen_EXPORTS")
 endif()
 
-install(FILES gl_magnum.h DESTINATION ${MAGNUM_INCLUDE_INSTALL_DIR}/OpenGL/GL)
+install(FILES gl_magnum.h DESTINATION ${MAGNUM_EXTERNAL_INCLUDE_INSTALL_DIR}/OpenGL/GL)

src/MagnumExternal/OpenGL/GLES2/CMakeLists.txt

@@ -33,4 +33,4 @@ if(TARGET_GLES2 AND NOT CORRADE_TARGET_NACL)
         gl2.h)
 endif()
 
-install(FILES ${MagnumOpenGL_HEADERS} DESTINATION ${MAGNUM_INCLUDE_INSTALL_DIR}/OpenGL/GLES2)
+install(FILES ${MagnumOpenGL_HEADERS} DESTINATION ${MAGNUM_EXTERNAL_INCLUDE_INSTALL_DIR}/OpenGL/GLES2)

src/MagnumExternal/OpenGL/GLES3/CMakeLists.txt

@@ -22,4 +22,4 @@
 #   DEALINGS IN THE SOFTWARE.
 #
 
-install(FILES gl3.h gl3platform.h DESTINATION ${MAGNUM_INCLUDE_INSTALL_DIR}/OpenGL/GLES3)
+install(FILES gl3.h gl3platform.h DESTINATION ${MAGNUM_EXTERNAL_INCLUDE_INSTALL_DIR}/OpenGL/GLES3)

src/MagnumExternal/OpenGL/KHR/CMakeLists.txt

@@ -24,5 +24,5 @@
 
 # NaCl has its own gl2.h, this one causes linker issues
 if(NOT CORRADE_TARGET_NACL)
-    install(FILES khrplatform.h DESTINATION ${MAGNUM_INCLUDE_INSTALL_DIR}/OpenGL/KHR)
+    install(FILES khrplatform.h DESTINATION ${MAGNUM_EXTERNAL_INCLUDE_INSTALL_DIR}/OpenGL/KHR)
 endif()

src/MagnumExternal/Optional/CMakeLists.txt

@@ -22,4 +22,4 @@
 #   DEALINGS IN THE SOFTWARE.
 #
 
-install(FILES optional.hpp DESTINATION ${MAGNUM_INCLUDE_INSTALL_DIR}/Optional)
+install(FILES optional.hpp DESTINATION ${MAGNUM_EXTERNAL_INCLUDE_INSTALL_DIR}/Optional)

src/MagnumPlugins/CMakeLists.txt

@@ -22,8 +22,6 @@
 #   DEALINGS IN THE SOFTWARE.
 #
 
-include_directories(${CMAKE_CURRENT_SOURCE_DIR})
-
 # Wrapper for creating given plugin type
 macro(add_plugin)
     if(NOT BUILD_STATIC)