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linux: preserve existing LD_PRELOAD content 

that is needed for Steam overlay and game streaming to work

fixes https://github.com/DFHack/dfhack/issues/3768
develop
Jacek Konieczny 2023-09-15 20:04:24 +02:00
parent ca32e6a1ae
commit ac5d9decd2
3 changed files with 10 additions and 8 deletions
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1
docs/about/Authors.rst
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@ -83,6 +83,7 @@ Herwig Hochleitner bendlas
Hevlikn Hevlikn
Ian S kremlin-
IndigoFenix
Jacek Konieczny Jajcus
James 20k
James Gilles kazimuth
James Logsdon jlogsdon

1
docs/changelog.txt
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@ -56,6 +56,7 @@ Template for new versions:
## New Features
## Fixes
- Linux launcher: preserve LD_PRELOAD set by Steam, so Steam Overlay and game streaming works
## Misc Improvements

16
package/linux/dfhack
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@ -60,7 +60,7 @@ fi
case "$1" in
-g | --gdb)
shift
echo "set exec-wrapper env LD_LIBRARY_PATH='$LD_LIBRARY_PATH' LD_PRELOAD='$PRELOAD_LIB' MALLOC_PERTURB_=45" > gdbcmd.tmp
echo "set exec-wrapper env LD_LIBRARY_PATH='$LD_LIBRARY_PATH' LD_PRELOAD='${LD_PRELOAD:+$LD_PRELOAD:}$PRELOAD_LIB' MALLOC_PERTURB_=45" > gdbcmd.tmp
gdb $DF_GDB_OPTS -x gdbcmd.tmp --args ./dwarfort "$@"
rm gdbcmd.tmp
ret=$?
@ -95,35 +95,35 @@ case "$1" in
;;
-h | --helgrind)
shift
LD_PRELOAD="$PRELOAD_LIB" setarch "$setarch_arch" -R valgrind $DF_HELGRIND_OPTS --tool=helgrind --log-file=helgrind.log ./dwarfort "$@"
LD_PRELOAD="${LD_PRELOAD:+$LD_PRELOAD:}$PRELOAD_LIB" setarch "$setarch_arch" -R valgrind $DF_HELGRIND_OPTS --tool=helgrind --log-file=helgrind.log ./dwarfort "$@"
ret=$?
;;
-v | --valgrind)
shift
LD_PRELOAD="$PRELOAD_LIB" setarch "$setarch_arch" -R valgrind $DF_VALGRIND_OPTS --log-file=valgrind.log ./dwarfort "$@"
LD_PRELOAD="${LD_PRELOAD:+$LD_PRELOAD:}$PRELOAD_LIB" setarch "$setarch_arch" -R valgrind $DF_VALGRIND_OPTS --log-file=valgrind.log ./dwarfort "$@"
ret=$?
;;
-c | --callgrind)
shift
LD_PRELOAD="$PRELOAD_LIB" setarch "$setarch_arch" -R valgrind $DF_CALLGRIND_OPTS --tool=callgrind --separate-threads=yes --dump-instr=yes --instr-atstart=no --log-file=callgrind.log ./dwarfort "$@"
LD_PRELOAD="${LD_PRELOAD:+$LD_PRELOAD:}$PRELOAD_LIB" setarch "$setarch_arch" -R valgrind $DF_CALLGRIND_OPTS --tool=callgrind --separate-threads=yes --dump-instr=yes --instr-atstart=no --log-file=callgrind.log ./dwarfort "$@"
ret=$?
;;
--strace)
shift
strace -f setarch "$setarch_arch" -R env LD_PRELOAD="$PRELOAD_LIB" ./dwarfort "$@" 2> strace.log
strace -f setarch "$setarch_arch" -R env LD_PRELOAD="${LD_PRELOAD:+$LD_PRELOAD:}$PRELOAD_LIB" ./dwarfort "$@" 2> strace.log
ret=$?
;;
-x | --exec)
exec setarch "$setarch_arch" -R env LD_PRELOAD="$PRELOAD_LIB" ./dwarfort "$@"
exec setarch "$setarch_arch" -R env LD_PRELOAD="${LD_PRELOAD:+$LD_PRELOAD:}$PRELOAD_LIB" ./dwarfort "$@"
# script does not resume
;;
--sc | --sizecheck)
PRELOAD_LIB="${PRELOAD_LIB:+$PRELOAD_LIB:}./hack/libsizecheck.so"
MALLOC_PERTURB_=45 setarch "$setarch_arch" -R env LD_PRELOAD="$PRELOAD_LIB" ./dwarfort "$@"
MALLOC_PERTURB_=45 setarch "$setarch_arch" -R env LD_PRELOAD="${LD_PRELOAD:+$LD_PRELOAD:}$PRELOAD_LIB" ./dwarfort "$@"
ret=$?
;;
*)
setarch "$setarch_arch" -R env LD_PRELOAD="$PRELOAD_LIB" ./dwarfort "$@"
setarch "$setarch_arch" -R env LD_PRELOAD="${LD_PRELOAD:+$LD_PRELOAD:}$PRELOAD_LIB" ./dwarfort "$@"
ret=$?
;;
esac