[kwin] Remove include of kdemacros.h from kwinglobals

Instead we generate an export header for kdeinit_kwin and use it
to declare the KWIN_EXPORT. With this change our libs don't include
any KDE4Support headers any more. One step closer to no KDE4Support.

CMakeLists.txt

@@ -324,6 +324,7 @@ kf5_add_kdeinit_executable( kwin ${kwin_KDEINIT_SRCS})
 target_link_libraries(kdeinit_kwin ${kwinLibs})
 set_target_properties(kwin PROPERTIES OUTPUT_NAME ${KWIN_NAME})
 set_target_properties(kdeinit_kwin PROPERTIES OUTPUT_NAME kdeinit4_${KWIN_NAME})
+generate_export_header(kdeinit_kwin EXPORT_FILE_NAME kwin_export.h)
 
 if(KWIN_BUILD_OPENGL)
     if( KWIN_BUILD_OPENGL_1_COMPOSITING )
@@ -348,6 +349,7 @@ install(TARGETS kwin         ${INSTALL_TARGETS_DEFAULT_ARGS} )
 install( FILES kwin.kcfg  DESTINATION  ${KCFG_INSTALL_DIR} RENAME ${KWIN_NAME}.kcfg )
 install( FILES kwin.notifyrc  DESTINATION  ${DATA_INSTALL_DIR}/${KWIN_NAME} RENAME ${KWIN_NAME}.notifyrc)
 install( FILES org.kde.KWin.xml DESTINATION ${DBUS_INTERFACES_INSTALL_DIR} )
+install( FILES ${CMAKE_CURRENT_BINARY_DIR}/kwin_export.h DESTINATION ${INCLUDE_INSTALL_DIR} COMPONENT Devel)
 
 if( KWIN_BUILD_SCRIPTING )
     # Install the KWin/WindowSwitcher service type

kcmkwin/kwinrules/main.cpp

@@ -239,7 +239,7 @@ static int edit(Window wid, bool whole_app)
 } // namespace
 
 extern "C"
-KDE_EXPORT int kdemain(int argc, char* argv[])
+KWIN_EXPORT int kdemain(int argc, char* argv[])
 {
     QApplication app(argc, argv);
     app.setApplicationDisplayName(i18n("KWin"));

libkwineffects/kwinglobals.h

@@ -23,14 +23,14 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include <QtX11Extras/QX11Info>
 
-#include <kdemacros.h>
+#include <kwin_export.h>
 
 #include <xcb/xcb.h>
 
 #include <kwinconfig.h>
 
-#define KWIN_EXPORT KDE_EXPORT
 #define KWIN_QT5_PORTING 0
+#define KWIN_EXPORT KDEINIT_KWIN_EXPORT
 
 namespace KWin
 {

main.cpp

@@ -376,7 +376,7 @@ static const char version[] = KWIN_VERSION_STRING;
 static const char description[] = I18N_NOOP("KDE window manager");
 
 extern "C"
-KDE_EXPORT int kdemain(int argc, char * argv[])
+KWIN_EXPORT int kdemain(int argc, char * argv[])
 {
 #ifdef M_TRIM_THRESHOLD
     // Prevent fragmentation of the heap by malloc (glibc).