http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53279
Bug #: 53279 Summary: [4.8 regression] error: 'convert_tree_comp_to_rtx' defined but not used [-Werror=unused-function] breaks m68k-linux bootstrap Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap AssignedTo: unassig...@gcc.gnu.org ReportedBy: mi...@it.uu.se Bootstrapping gcc-4.8-20120506 on m68k-linux fails with: /mnt/scratch/objdir48/./prev-gcc/xgcc -B/mnt/scratch/objdir48/./prev-gcc/ -B/mnt/scratch/install48/m68k-unknown-linux-gnu/bin/ -B/mnt/scratch/install48/m68k-unknown-linux-gnu/bin/ -B/mnt/scratch/install48/m68k-unknown-linux-gnu/lib/ -isystem /mnt/scratch/install48/m68k-unknown-linux-gnu/include -isystem /mnt/scratch/install48/m68k-unknown-linux-gnu/sys-include -c -g -O2 -gtoggle -DIN_GCC -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Werror -Wold-style-definition -Wc++-compat -DHAVE_CONFIG_H -I. -I. -I/mnt/scratch/gcc-4.8-20120506/gcc -I/mnt/scratch/gcc-4.8-20120506/gcc/. -I/mnt/scratch/gcc-4.8-20120506/gcc/../include -I/mnt/scratch/gcc-4.8-20120506/gcc/../libcpp/include -I/mnt/scratch/gcc-4.8-20120506/gcc/../libdecnumber -I/mnt/scratch/gcc-4.8-20120506/gcc/../libdecnumber/dpd -I../libdecnumber /mnt/scratch/gcc-4.8-20120506/gcc/expr.c -o expr.o /mnt/scratch/gcc-4.8-20120506/gcc/expr.c:2358:1: error: 'get_def_for_expr_class' defined but not used [-Werror=unused-function] get_def_for_expr_class (tree name, enum tree_code_class tclass) ^ /mnt/scratch/gcc-4.8-20120506/gcc/expr.c:7380:1: error: 'convert_tree_comp_to_rtx' defined but not used [-Werror=unused-function] convert_tree_comp_to_rtx (enum tree_code tcode, int unsignedp) ^ cc1: all warnings being treated as errors make[3]: *** [expr.o] Error 1 make[3]: Leaving directory `/mnt/scratch/objdir48/gcc' make[2]: *** [all-stage2-gcc] Error 2 make[2]: Leaving directory `/mnt/scratch/objdir48' make[1]: *** [stage2-bubble] Error 2 make[1]: Leaving directory `/mnt/scratch/objdir48' make: *** [bootstrap] Error 2 gcc-4.8-20120429 did bootstrap Ok. Configuration parameters: /mnt/scratch/gcc-4.8-20120506/configure --prefix=/mnt/scratch/install48 --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=release --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-languages=c,c++ --disable-dssi --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre --enable-libgcj-multifile --disable-java-maintainer-mode --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --disable-libjava-multilib --disable-sjlj-exceptions --disable-libmudflap --disable-plugin --disable-lto --disable-multilib --disable-build-poststage1-with-cxx