I've built a half-dozen GCC 4.0.0 based compilers in parallel (make -j2) on
Linux without a hitch. But I received the following error building an sh-elf
toolchain. make is deciding to rebuild cc1 after cross building much of libgcc
already, and then, when it tries to use this new cc1 (perhaps before it is fully
written?)...
/usr/src/redhat/BUILD/gcc-4.0.0/obj-sh-elf/gcc/xgcc
-B/usr/src/redhat/BUILD/gcc-4.0.0/obj-sh-elf/gcc/ -nostdinc
-B/usr/src/redhat/BUILD/gcc-4.0.0/obj-sh-elf/sh-elf/newlib/ -isystem
/usr/src/redhat/BUILD/gcc-4.0.0/obj-sh-elf/sh-elf/newlib/targ-include -isystem
/usr/src/redhat/BUILD/gcc-4.0.0/newlib/libc/include -B/usr/sh-elf/bin/
-B/usr/sh-elf/lib/ -isystem /usr/sh-elf/include -isystem /usr/sh-elf/sys-include
-O2 -DIN_GCC -DCROSS_COMPILE -W -Wall -Wwrite-strings -Wstrict-prototypes
-Wmissing-prototypes -Wold-style-definition -isystem ./include -g
-DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED -Dinhibit_libc -I. -I. -I../../gcc
-I../../gcc/. -I../../gcc/../include -I../../gcc/../libcpp/include -DL_ashrdi3
-c ../../gcc/libgcc2.c -o libgcc/./_ashrdi3.o
gcc -g -O2 -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes
-pedantic -Wno-long-long -Wno-variadic-macros -Wold-style-definition -DIN_GCC
-DCROSS_COMPILE -W -Wall -Wwrite-strings -Wstrict-prototypes
-Wmissing-prototypes -pedantic -Wno-long-long -Wno-variadic-macros
-Wold-style-definition -DHAVE_CONFIG_H -o cc1 \
c-parse.o c-lang.o stub-objc.o attribs.o c-errors.o c-lex.o c-pragma.o
c-decl.o c-typeck.o c-convert.o c-aux-info.o c-common.o c-opts.o c-format.o
c-semantics.o c-incpath.o cppdefault.o c-ppoutput.o c-cppbuiltin.o prefix.o
c-objc-common.o c-dump.o c-pch.o c-gimplify.o tree-mudflap.o c-pretty-print.o
main.o libbackend.a ../libcpp/libcpp.a ../libcpp/libcpp.a
../libiberty/libiberty.a
/usr/src/redhat/BUILD/gcc-4.0.0/obj-sh-elf/gcc/xgcc
-B/usr/src/redhat/BUILD/gcc-4.0.0/obj-sh-elf/gcc/ -nostdinc
-B/usr/src/redhat/BUILD/gcc-4.0.0/obj-sh-elf/sh-elf/newlib/ -isystem
/usr/src/redhat/BUILD/gcc-4.0.0/obj-sh-elf/sh-elf/newlib/targ-include -isystem
/usr/src/redhat/BUILD/gcc-4.0.0/newlib/libc/include -B/usr/sh-elf/bin/
-B/usr/sh-elf/lib/ -isystem /usr/sh-elf/include -isystem /usr/sh-elf/sys-include
-O2 -DIN_GCC -DCROSS_COMPILE -W -Wall -Wwrite-strings -Wstrict-prototypes
-Wmissing-prototypes -Wold-style-definition -isystem ./include -g
-DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED -Dinhibit_libc -I. -I. -I../../gcc
-I../../gcc/. -I../../gcc/../include -I../../gcc/../libcpp/include -DL_cmpdi2
-c ../../gcc/libgcc2.c -o libgcc/./_cmpdi2.o
xgcc: installation problem, cannot exec 'cc1': No such file or directory
make[2]: *** [libgcc/./_cmpdi2.o] Error 1
Rerunning make gets it going again.
I'll attach more of the relevant log file to this issue.
--
Summary: Spontaneous cc1 rebuild during parallel make causes
build failure.
Product: gcc
Version: 4.0.0
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: bootstrap
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: green at redhat dot com
CC: gcc-bugs at gcc dot gnu dot org
GCC host triplet: i686-pc-linux-gnu
GCC target triplet: sh-elf
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21216
