[Bug target/81084] [8 Regression] powerpcspe port full of confusing configury / command-line options not related to SPE

["glaubitz at physik dot fu-berlin.de" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81084

--- Comment #54 from John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> ---
Just tried a native build with gcc from trunk plus the patch, fails due to an
apparent syntax error:

powerpc-linux-gnuspe-g++ -std=gnu++98   -g -DIN_GCC     -fno-exceptions
-fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wno-format -Wmissing-format-attribute -Woverloaded-virtual
-pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings
-fno-common  -DHAVE_CONFIG_H -DGENERATOR_FILE -fno-PIE -static-libstdc++
-static-libgcc  -no-pie -o build/genmatch \
    build/genmatch.o ../../build-powerpc-linux-gnuspe/libcpp/libcpp.a
build/errors.o build/vec.o build/hash-table.o
../../build-powerpc-linux-gnuspe/libiberty/libiberty.a
build/genmddeps ../.././gcc/common.md
../.././gcc/config/powerpcspe/powerpcspe.md > tmp-mddeps
../.././gcc/config/powerpcspe/powerpcspe.md:4362:1: unterminated construct
make[3]: *** [Makefile:2306: s-mddeps] Error 1
make[3]: *** Waiting for unfinished jobs....
rm fsf-funding.pod gcov.pod gpl.pod cpp.pod gfdl.pod gcc.pod gcov-dump.pod
gcov-tool.pod
make[3]: Leaving directory '/srv/glaubitz/gcc/host-powerpc-linux-gnuspe/gcc'
make[2]: *** [Makefile:4624: all-stage1-gcc] Error 2
make[2]: Leaving directory '/srv/glaubitz/gcc'
make[1]: *** [Makefile:23666: stage1-bubble] Error 2
make[1]: Leaving directory '/srv/glaubitz/gcc'
make: *** [Makefile:953: all] Error 2

Configured with ./configure --build=powerpc-linux-gnuspe
--host=powerpc-linux-gnuspe --target=powerpc-linux-gnuspe --enable-obsolete
--with-cpu=8548 --enable-e500_double --with-long-double-128 
--disable-libphobos