Clean up Raspberry Pi spec

Introduce platform libs hook to handle/allow device specific initialization and the associated symbol resolution

Change-Id: I098b07dcb581390d369d9165c6cedc7ace1e088a
Reviewed-by: Girish Ramakrishnan <girish.1.ramakrishnan@nokia.com>

mkspecs/devices/linux-rasp-pi-g++/qmake.conf

@@ -25,20 +25,28 @@ QMAKE_AR                = $${CROSS_COMPILE}ar cqs
 QMAKE_OBJCOPY           = $${CROSS_COMPILE}objcopy
 QMAKE_STRIP             = $${CROSS_COMPILE}strip
 
-#Circular dependency in GLES2 <-> EGL requires the following abomination
-contains(DISTRO, arch) {
-    QMAKE_LIBS_EGL      = -L$$[QT_SYSROOT]/opt/vc/lib -lWFC -lGLESv2 -lEGL -lbcm_host -lvcos -lopenmaxil
-} else {
-    QMAKE_LIBS_EGL      = -L$$[QT_SYSROOT]/opt/vc/lib -lWFC -lGLESv2 -lEGL -lbcm_host -lopenmaxil
-}
+QMAKE_LFLAGS            += -Wl,-rpath-link,$$[QT_SYSROOT]/opt/vc/lib
 
-QMAKE_LIBS_OPENGL_ES2   = $${QMAKE_LIBS_EGL}
-QMAKE_LIBS_OPENVG       = $${QMAKE_LIBS_EGL}
+QMAKE_LIBDIR_OPENGL_ES2 = $$[QT_SYSROOT]/opt/vc/lib
+QMAKE_LIBDIR_EGL        = $$QMAKE_LIBDIR_OPENGL_ES2
 
 QMAKE_INCDIR_EGL        = $$[QT_SYSROOT]/opt/vc/include
 QMAKE_INCDIR_OPENGL_ES2 = $${QMAKE_INCDIR_EGL}
 
-QMAKE_CFLAGS           += \
+QMAKE_LIBS_EGL          = -lEGL -lGLESv2
+
+contains(DISTRO, wheezy) {
+    QMAKE_LFLAGS        += -Wl,-rpath-link,$$[QT_SYSROOT]/usr/lib/arm-linux-gnueabi \
+                           -Wl,-rpath-link,$$[QT_SYSROOT]/lib/arm-linux-gnueabi
+} else:contains(DISTRO, arch) {
+    #On principle: no wizardry required
+} else {
+    #Legacy circular dependency
+    QMAKE_LIBS_OPENGL_ES2          = -lGLESv2 -lEGL
+}
+
+QMAKE_CFLAGS            += \
+                          -marm \
                           -mfloat-abi=softfp \
                           -mfpu=vfp \
                           -mtune=arm1176jzf-s \
@@ -48,6 +56,7 @@ QMAKE_CFLAGS           += \
 QMAKE_CXXFLAGS          = $$QMAKE_CFLAGS
 
 EGLFS_PLATFORM_HOOKS_SOURCES = $$PWD/qeglfshooks_pi.cpp
+EGLFS_PLATFORM_HOOKS_LIBS = -lbcm_host
 
 deviceSanityCheckCompiler()
 

src/plugins/platforms/eglfs/eglfs.pro

@@ -34,6 +34,7 @@ QMAKE_LFLAGS += $$QMAKE_LFLAGS_NOUNDEF
 !isEmpty(EGLFS_PLATFORM_HOOKS_SOURCES) {
     HEADERS += $$EGLFS_PLATFORM_HOOKS_HEADERS
     SOURCES += $$EGLFS_PLATFORM_HOOKS_SOURCES
+    LIBS    += $$EGLFS_PLATFORM_HOOKS_LIBS
     DEFINES += EGLFS_PLATFORM_HOOKS
 }