1 #!/bin/sh 2 3 # Shell script with one argument (path of an OpenMP executable) that exits 4 # with status 0 if the OpenMP test program should be run and that exits with 5 # status 1 if the OpenMP test program should not be run. 6 7 test -e "$1" || exit $? 8 9 ./supported_libpthread || exit $? 10 11 # Do not accept any statically linked executable. 12 if /usr/bin/file "$1" | grep -q 'statically linked'; then 13 exit 1 14 fi 15 16 if [ "$(uname)" = Linux ]; then 17 18 # Let the dynamic linker/loader print the path of libgomp. See also man ld.so 19 libgomp_path="$(LD_TRACE_LOADED_OBJECTS=1 "$1" \ 20 | while read soname arrow path offset; \ 21 do if [ "${soname#libgomp.so}" != "${soname}" ]; then echo $path; fi; done)" 22 23 # Inspect the output of nm. If nm does not find any symbol information, 24 # echo 1. If the symbol gomp_barrier_init is found, echo 0. Otherwise echo 25 # nothing. The second case occurs if gcc has been compiled with 26 # --disable-linux-futex, and the last case occurs if gcc has been compiled 27 # with --enable-linux-futex. 28 rc="$(nm "${libgomp_path}" 2>&1 \ 29 | 30 while read line 31 do 32 if [ "${line%: no symbols}" != "${line}" ]; then 33 echo 1 34 break 35 elif [ "${line% gomp_barrier_init}" != "${line}" ]; then 36 echo 0 37 break 38 fi 39 done)" 40 exit ${rc:-1} 41 42 fi 43
