powerpc/gwlcfm fails to build on master

[Joel Sherrill]

The master fails to build this BSP:

powerpc-rtems4.11-gcc --pipe -B../../../../.././lib/ -B../../../../.././gwlcfm/lib/ -specs bsp_specs -qrtems -DPACKAGE_NAME=\"rtems-c-src-lib-libcpu-powerpc\" -DPACKAGE_TARNAME=\"rtems-c-src-lib-libcpu-powerpc\" -DPACKAGE_VERSION=\"4.10.99.0\" -DPACKAGE_STRING=\"rtems-c-src-lib-libcpu-powerpc\ 4.10.99.0\" -DPACKAGE_BUGREPORT=\"​https://devel.rtems.org/newticket\" -DPACKAGE_URL=\"\" -I. -I../../../../../../../rtems/c/src/lib/libcpu/powerpc -isystem ../../../../.././gwlcfm/lib/include -mcpu=8540 -meabi -msdata=sysv -fno-common -msoft-float -mno-spe -Dppc_generic -mstrict-align -O2 -g -fno-keep-inline-functions -Wall -Wmissing-prototypes -Wimplicit-function-declaration -Wstrict-prototypes -Wnested-externs -MT mpc55xx/irq/irq.o -MD -MP -MF $depbase.Tpo -c -o mpc55xx/irq/irq.o ../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c &&\
mv -f $depbase.Tpo $depbase.Po
In file included from ../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c:23:0:
../../../../.././gwlcfm/lib/include/mpc55xx/regs.h:83:4: error: #error "unsupported chip type"

#error "unsupported chip type"

In file included from ../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c:27:0:
../../../../.././gwlcfm/lib/include/bsp/irq.h:250:6: error: #error "unsupported chip type"

#error "unsupported chip type"

../../../../.././gwlcfm/lib/include/bsp/irq-generic.h: In function 'bsp_interrupt_is_valid_vector':
../../../../.././gwlcfm/lib/include/bsp/irq-generic.h:165:42: error: 'MPC55XX_IRQ_MAX' undeclared (first use in this function)

&& vector <= (rtems_vector_number) BSP_INTERRUPT_VECTOR_MAX;

../../../../.././gwlcfm/lib/include/bsp/irq-generic.h:165:42: note: each undeclared identifier is reported only once for each function it appears in
../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c: In function 'mpc55xx_intc_get_priority':
../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c:40:6: error: 'MPC55XX_IRQ_MAX' undeclared (first use in this function)

if (MPC55XX_IRQ_IS_VALID( vector)) {

../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c:41:15: error: 'INTC' undeclared (first use in this function)

*priority = INTC.PSR [vector].B.PRI;

In file included from ../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c:27:0:
../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c: In function 'mpc55xx_intc_set_priority':
../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c:54:6: error: 'MPC55XX_IRQ_MAX' undeclared (first use in this function)

if (MPC55XX_IRQ_IS_VALID( vector) && MPC55XX_INTC_IS_VALID_PRIORITY( priority)) {

../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c:55:3: error: 'INTC' undeclared (first use in this function)

INTC.PSR [vector].B.PRI = priority;

../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c: In function 'mpc55xx_intc_raise_software_irq':
../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c:72:3: error: 'INTC' undeclared (first use in this function)

INTC.SSCIR [vector].B.SET = 1;

../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c: In function 'mpc55xx_intc_clear_software_irq':
../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c:85:3: error: 'INTC' undeclared (first use in this function)

INTC.SSCIR [vector].B.CLR = 1;

In file included from ../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c:27:0:
../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c: In function 'mpc55xx_interrupt_handler_install':
../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c:104:6: error: 'MPC55XX_IRQ_MAX' undeclared (first use in this function)

if (MPC55XX_IRQ_IS_VALID( vector) && MPC55XX_INTC_IS_VALID_PRIORITY( priority)) {

../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c: In function 'mpc55xx_interrupt_dispatch':
../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c:119:31: error: 'INTC' undeclared (first use in this function)

rtems_vector_number vector = INTC.IACKR.B.INTVEC;

../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c: In function 'bsp_interrupt_facility_initialize':
../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c:169:43: error: 'MPC55XX_IRQ_MAX' undeclared (first use in this function)

for (vector = MPC55XX_IRQ_MIN; vector <= MPC55XX_IRQ_MAX; ++vector) {

../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c:170:3: error: 'INTC' undeclared (first use in this function)

INTC.PSR [vector].B.PRI = MPC55XX_INTC_DISABLED_PRIORITY;

In file included from ../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c:27:0:
../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c: In function 'bsp_interrupt_vector_enable':
../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c:185:6: error: 'MPC55XX_IRQ_MAX' undeclared (first use in this function)

if (MPC55XX_IRQ_IS_VALID( vector)) {

../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c: In function 'bsp_interrupt_vector_disable':
../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c:194:6: error: 'MPC55XX_IRQ_MAX' undeclared (first use in this function)

if (MPC55XX_IRQ_IS_VALID( vector)) {

../../../../.././gwlcfm/lib/include/bsp/irq.h: In function 'mpc55xx_intc_get_priority':
../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c:47:1: warning: control reaches end of non-void function [-Wreturn-type]

}

../../../../.././gwlcfm/lib/include/bsp/irq.h: In function 'mpc55xx_intc_set_priority':
../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c:64:1: warning: control reaches end of non-void function [-Wreturn-type]

}

../../../../.././gwlcfm/lib/include/bsp/irq.h: In function 'mpc55xx_interrupt_handler_install':
../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c:114:1: warning: control reaches end of non-void function [-Wreturn-type]

}

../../../../.././gwlcfm/lib/include/bsp/irq-generic.h: In function 'bsp_interrupt_vector_enable':
../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c:190:1: warning: control reaches end of non-void function [-Wreturn-type]

}

../../../../.././gwlcfm/lib/include/bsp/irq-generic.h: In function 'bsp_interrupt_vector_disable':
../../../../../../../rtems/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c:199:1: warning: control reaches end of non-void function [-Wreturn-type]

}

gmake[5]: * [mpc55xx/irq/irq.o] Error 1

[Sebastian Huber]

Build it again, and the problem disappears. This is a known bug for at least three years. Don't ask me why this happens only on this BSP family.