With current trunk (151649), bootstrap fails during the comparison stage when
--disable-checking is used. GCC was built with:
$ ../configure --disable-checking
$ make -j4
which ultimately results in:
make "DESTDIR=" "RPATH_ENVVAR=LD_LIBRARY_PATH"
"TARGET_SUBDIR=x86_64-unknown-linux-gnu" "bindir=/usr/local/bin"
"datadir=/usr/local/share" "exec_prefix=/usr/local"
"includedir=/usr/local/include" "datarootdir=/usr/local/share"
"docdir=/usr/local/share/doc/" "infodir=/usr/local/share/info"
"pdfdir=/usr/local/share/doc/" "htmldir=/usr/local/share/doc/"
"libdir=/usr/local/lib" "libexecdir=/usr/local/libexec" "lispdir="
"localstatedir=/usr/local/var" "mandir=/usr/local/share/man"
"oldincludedir=/usr/include" "prefix=/usr/local" "sbindir=/usr/local/sbin"
"sharedstatedir=/usr/local/com" "sysconfdir=/usr/local/etc"
"tooldir=/usr/local/x86_64-unknown-linux-gnu"
"build_tooldir=/usr/local/x86_64-unknown-linux-gnu"
"target_alias=x86_64-unknown-linux-gnu" "AWK=gawk" "BISON=bison"
"CC_FOR_BUILD=gcc" "CFLAGS_FOR_BUILD=-g -O2" "CXX_FOR_BUILD=g++"
"EXPECT=expect" "FLEX=flex" "INSTALL=/usr/bin/install -c"
"INSTALL_DATA=/usr/bin/install -c -m 644" "INSTALL_PROGRAM=/usr/bin/install -c"
"INSTALL_SCRIPT=/usr/bin/install -c" "LDFLAGS_FOR_BUILD=" "LEX=flex" "M4=m4"
"MAKE=make" "RUNTEST=runtest" "RUNTESTFLAGS=" "SED=/bin/sed" "SHELL=/bin/sh"
"YACC=bison -y" "`echo 'ADAFLAGS=' | sed -e s'/[^=][^=]*=$/XFOO=/'`"
"ADA_CFLAGS=" "AR_FLAGS=rc" "`echo 'BOOT_ADAFLAGS=-gnatpg -gnata' | sed -e
s'/[^=][^=]*=$/XFOO=/'`" "BOOT_CFLAGS=-g -O2" "BOOT_LDFLAGS=" "CFLAGS=-g -O2"
"CXXFLAGS=-g -O2" "LDFLAGS=" "LIBCFLAGS=-g -O2" "LIBCXXFLAGS=-g -O2
-fno-implicit-templates" "STAGE1_CHECKING=--enable-checking=yes,types"
"STAGE1_LANGUAGES=c" "GNATBIND=no" "GNATMAKE=no" "AR_FOR_TARGET=ar"
"AS_FOR_TARGET=as"
"CC_FOR_TARGET=/home/dirtyepic/tmp/gcc-4.5-20090910/build/./gcc/xgcc
-B/home/dirtyepic/tmp/gcc-4.5-20090910/build/./gcc/" "CFLAGS_FOR_TARGET=-g -O2"
"CPPFLAGS_FOR_TARGET=" "CXX_FOR_TARGET=g++" "CXXFLAGS_FOR_TARGET=-g -O2
-D_GNU_SOURCE" "DLLTOOL_FOR_TARGET=dlltool"
"FLAGS_FOR_TARGET=-B/usr/local/x86_64-unknown-linux-gnu/bin/
-B/usr/local/x86_64-unknown-linux-gnu/lib/ -isystem
/usr/local/x86_64-unknown-linux-gnu/include -isystem
/usr/local/x86_64-unknown-linux-gnu/sys-include" "GCJ_FOR_TARGET="
"GFORTRAN_FOR_TARGET="
"LD_FOR_TARGET=/usr/lib/gcc/x86_64-unknown-linux-gnu/4.4.1/../../../../x86_64-unknown-linux-gnu/bin/ld"
"LIPO_FOR_TARGET=lipo" "LDFLAGS_FOR_TARGET=" "LIBCFLAGS_FOR_TARGET=-g -O2"
"LIBCXXFLAGS_FOR_TARGET=-g -O2 -D_GNU_SOURCE -fno-implicit-templates"
"NM_FOR_TARGET=nm" "OBJDUMP_FOR_TARGET=objdump" "RANLIB_FOR_TARGET=ranlib"
"STRIP_FOR_TARGET=strip" "WINDRES_FOR_TARGET=windres"
"WINDMC_FOR_TARGET=windmc" "BUILD_CONFIG=bootstrap-debug" "`echo 'LANGUAGES=' |
sed -e s'/[^=][^=]*=$/XFOO=/'`" "LEAN=false" "STAGE1_CFLAGS=-g
-fkeep-inline-functions" "STAGE1_TFLAGS=" "STAGE2_CFLAGS=-g -O2 -gtoggle"
"STAGE2_TFLAGS=" "STAGE3_CFLAGS=-g -O2" "STAGE3_TFLAGS=" "STAGE4_CFLAGS=-g -O2"
"STAGE4_TFLAGS=" "STAGEprofile_CFLAGS=-g -O2 -gtoggle -fprofile-generate"
"STAGEprofile_TFLAGS=" "STAGEfeedback_CFLAGS=-g -O2 -fprofile-use"
"STAGEfeedback_TFLAGS=" "TFLAGS=" "CONFIG_SHELL=/bin/sh" "MAKEINFO=makeinfo
--split-size=5000000 --split-size=5000000" compare
make[2]: Entering directory `/home/dirtyepic/tmp/gcc-4.5-20090910/build'
make[3]: Entering directory `/home/dirtyepic/tmp/gcc-4.5-20090910/build'
rm -f stage_current
make[3]: Leaving directory `/home/dirtyepic/tmp/gcc-4.5-20090910/build'
Comparing stages 2 and 3
warning: gcc/cc1-checksum.o differs
Bootstrap comparison failure!
gcc/bitmap.o differs
make[2]: *** [compare] Error 1
make[2]: Leaving directory `/home/dirtyepic/tmp/gcc-4.5-20090910/build'
make[1]: *** [stage3-bubble] Error 2
make[1]: Leaving directory `/home/dirtyepic/tmp/gcc-4.5-20090910/build'
make: *** [all] Error 2
--
Summary: bootstrap comparison failure with --disable-checking
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: dirtyepic at gentoo dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41345
