Ticket History #7967: Error when building with "make -j8"

When building Kerberos krb5-1.11.3 using multiple jobs in parallel (command: "make -j8"), sometimes the build fails. This happens infrequently (about 1 build in 20 builds).

 

[...]

gmake[4]: Entering directory `/var/tmp/kerberos_vhYo/krb5-1.11.3/src/util/profile/testmod'
cp prof_err.et et-c-prof_err.et
sed  >> binutils.versions < ./libprofile.exports "s/$/;/"
../../util/et/compile_et -d ../../util/et --textdomain mit-krb5 et-h-prof_err.et
gmake[4]: Leaving directory `/var/tmp/kerberos_vhYo/krb5-1.11.3/src/util/profile/testmod'
../../util/et/compile_et -d ../../util/et --textdomain mit-krb5 et-c-prof_err.et
echo >> binutils.versions "};"
echo >> binutils.versions "HIDDEN { local: __*; _rest*; _save*; *; };"
+ gawk -f ../../util/et/et_h.awk outfile=et-h-prof_err.h et-h-prof_err.et
+ gawk -f ../../util/et/et_h.awk outfile=et-c-prof_err.h et-c-prof_err.et
+ gawk -f ../../util/et/et_c.awk outfile=et-c-prof_err.c textdomain=mit-krb5 localedir= et-c-prof_err.et
+ gawk -f ../../util/et/et_c.awk outfile=et-h-prof_err.c textdomain=mit-krb5 localedir= et-h-prof_err.et
mv -f et-c-prof_err.c prof_err.c
rm -f et-c-prof_err.et et-c-prof_err.h
gcc -fPIC -DSHARED  -DHAS_STDARG -DLIBDIR=\"/files/sources/kerberos/kerberos-inst/x86_64-unknown-linux-gnu/lib\" -I../../include -I../../include -I.  -DKRB5_DEPRECATED=1 -DKRB5_PRIVATE  -g -O2 -Wall -Wcast-align -Wshadow -Wmissing-prototypes -Wno-format-zero-length -Woverflow -Wstrict-overflow -Wmissing-format-attribute -Wmissing-prototypes -Wreturn-type -Wmissing-braces -Wparentheses -Wswitch -Wunused-function -Wunused-label -Wunused-variable -Wunused-value -Wunknown-pragmas -Wsign-compare -Werror=uninitialized -Werror=declaration-after-statement -Werror=variadic-macros -Werror-implicit-function-declaration -pthread -c prof_err.c -o prof_err.so.o && mv -f prof_err.so.o prof_err.so
mv -f et-h-prof_err.h prof_err.h
rm -f et-h-prof_err.et et-h-prof_err.c
cat ./profile.hin prof_err.h > profile.h
if cmp profile.h \
../../include/profile.h >/dev/null 2>&1; then :; \
else \
    (set -x; rm -f ../../include/profile.h; \
     cp profile.h ../../include/profile.h) ; \
fi
cp profile.h "../../include/profile.h"
+ rm -f ../../include/profile.h
+ cp profile.h ../../include/profile.h
cp: cannot create regular file `../../include/profile.h': File exists
gmake[3]: *** [../../include/profile.h] Error 1
gmake[3]: *** Waiting for unfinished jobs....
gmake[3]: Leaving directory `/var/tmp/kerberos_vhYo/krb5-1.11.3/src/util/profile'
gmake[2]: *** [all-recurse] Error 1
gmake[2]: Leaving directory `/var/tmp/kerberos_vhYo/krb5-1.11.3/src/util'
gmake[1]: *** [all-recurse] Error 1
gmake[1]: Leaving directory `/var/tmp/kerberos_vhYo/krb5-1.11.3/src'