eglfs - fail to detect eglfs-brcm & compile eglfs-plugin for Rasp-Pi

eglfs-brcm auto-detection... ()
make[1]: Entering directory '/home/build/buildroot-rpi/output/build/qt5base-5.5.0/config.tests/qpa/eglfs-brcm'
/home/build/buildroot-rpi/output/host/usr/bin/arm-linux-g++ -c -pipe -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os --sysroot=/home/build/buildroot-rpi/output/host/usr/arm-buildroot-linux-uclibcgnueabi/sysroot -O2 -O3 -Wall -W -fPIC  -I. -I../../../mkspecs/devices/linux-buildroot-g++ -o eglfs-brcm.o eglfs-brcm.cpp
In file included from /home/build/buildroot-rpi/output/host/usr/arm-buildroot-linux-uclibcgnueabi/sysroot/usr/include/interface/vcos/vcos_assert.h:149:0,
                 from /home/build/buildroot-rpi/output/host/usr/arm-buildroot-linux-uclibcgnueabi/sysroot/usr/include/interface/vcos/vcos.h:114,
                 from /home/build/buildroot-rpi/output/host/usr/arm-buildroot-linux-uclibcgnueabi/sysroot/usr/include/interface/vmcs_host/vc_dispmanx.h:33,
                 from /home/build/buildroot-rpi/output/host/usr/arm-buildroot-linux-uclibcgnueabi/sysroot/usr/include/EGL/eglplatform.h:110,
                 from /home/build/buildroot-rpi/output/host/usr/arm-buildroot-linux-uclibcgnueabi/sysroot/usr/include/EGL/egl.h:36,
                 from eglfs-brcm.cpp:34:
/home/build/buildroot-rpi/output/host/usr/arm-buildroot-linux-uclibcgnueabi/sysroot/usr/include/interface/vcos/vcos_types.h:38:33: fatal error: vcos_platform_types.h: Aucun fichier ou dossier de ce type
 #include "vcos_platform_types.h"
                                 ^
compilation terminated.
Makefile:203: recipe for target 'eglfs-brcm.o' failed
make[1]: *** [eglfs-brcm.o] Error 1
make[1]: Leaving directory '/home/build/buildroot-rpi/output/build/qt5base-5.5.0/config.tests/qpa/eglfs-brcm'
eglfs-brcm disabled.

/home/build/buildroot-rpi/output/build/qt5base-5.5.0/bin/qmake -o Makefile.eglfs-plugin eglfs-plugin.pro
/home/build/buildroot-rpi/output/host/usr/bin/arm-linux-g++ -c -pipe -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os --sysroot=/home/build/buildroot-rpi/output/host/usr/arm-buildroot-linux-uclibcgnueabi/sysroot -O2 -O3 -fvisibility=hidden -fvisibility-inlines-hidden -std=c++0x -fno-exceptions -Wall -W -D_REENTRANT -fPIC -DQT_NO_MTDEV -DQT_NO_LIBUDEV -DQT_NO_TSLIB -DQT_NO_LIBINPUT -DQT_NO_EXCEPTIONS -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE -DQT_NO_DEBUG -DQT_PLUGIN -DQT_PLATFORMSUPPORT_LIB -DQT_EGLFS_DEVICE_LIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -I. -I../../../../include -I../../../../include/QtPlatformSupport -I../../../../include/QtPlatformSupport/5.5.0 -I../../../../include/QtPlatformSupport/5.5.0/QtPlatformSupport -I../../../../include/QtGui/5.5.0 -I../../../../include/QtGui/5.5.0/QtGui -I/home/build/buildroot-rpi/output/build/qt5base-5.5.0/include/QtQGui -I../../../../include/QtGui -I../../../../include/QtCore/5.5.0 -I../../../../include/QtCore/5.5.0/QtCore -I../../../../include/QtCore -I.moc -isystem /home/build/buildroot-rpi/output/host/usr/arm-buildroot-linux-uclibcgnueabi/sysroot/usr/include -I../../../../mkspecs/devices/linux-buildroot-g++ -o .obj/qeglfsmain.o qeglfsmain.cpp
In file included from /home/build/buildroot-rpi/output/host/usr/arm-buildroot-linux-uclibcgnueabi/sysroot/usr/include/interface/vcos/vcos_assert.h:149:0,
                 from /home/build/buildroot-rpi/output/host/usr/arm-buildroot-linux-uclibcgnueabi/sysroot/usr/include/interface/vcos/vcos.h:114,
                 from /home/build/buildroot-rpi/output/host/usr/arm-buildroot-linux-uclibcgnueabi/sysroot/usr/include/interface/vmcs_host/vc_dispmanx.h:33,
                 from /home/build/buildroot-rpi/output/host/usr/arm-buildroot-linux-uclibcgnueabi/sysroot/usr/include/EGL/eglplatform.h:110,
                 from /home/build/buildroot-rpi/output/host/usr/arm-buildroot-linux-uclibcgnueabi/sysroot/usr/include/EGL/egl.h:36,
                 from ../../../../include/QtPlatformSupport/5.5.0/QtPlatformSupport/private/../../../../../src/platformsupport/eglconvenience/qeglplatformintegration_p.h:51,
                 from ../../../../include/QtPlatformSupport/5.5.0/QtPlatformSupport/private/qeglplatformintegration_p.h:1,
                 from qeglfsintegration.h:37,
                 from qeglfsmain.cpp:35:
/home/build/buildroot-rpi/output/host/usr/arm-buildroot-linux-uclibcgnueabi/sysroot/usr/include/interface/vcos/vcos_types.h:38:33: fatal error: vcos_platform_types.h: Aucun fichier ou dossier de ce type
 #include "vcos_platform_types.h"
                                 ^
compilation terminated.
Makefile.eglfs-plugin:956: recipe for target '.obj/qeglfsmain.o' failed