| #!/bin/sh |
| |
| # Shell script with one argument (path of an OpenMP executable) that exits |
| # with status 0 if the OpenMP test program should be run and that exits with |
| # status 1 if the OpenMP test program should not be run. |
| |
| test -e "$1" || exit $? |
| |
| ./supported_libpthread || exit $? |
| |
| # Do not accept any statically linked executable. |
| if /usr/bin/file "$1" | grep -q 'statically linked'; then |
| exit 1 |
| fi |
| |
| if [ "$(uname)" = Linux ]; then |
| |
| # Let the dynamic linker/loader print the path of libgomp. See also man ld.so |
| libgomp_path="$(LD_TRACE_LOADED_OBJECTS=1 "$1" \ |
| | while read soname arrow path offset; \ |
| do if [ "${soname#libgomp.so}" != "${soname}" ]; then echo $path; fi; done)" |
| |
| # Inspect the output of nm. If nm does not find any symbol information, |
| # echo 1. If the symbol gomp_barrier_init is found, echo 0. Otherwise echo |
| # nothing. The second case occurs if gcc has been compiled with |
| # --disable-linux-futex, and the last case occurs if gcc has been compiled |
| # with --enable-linux-futex. |
| rc="$(nm "${libgomp_path}" 2>&1 \ |
| | |
| while read line |
| do |
| if [ "${line%: no symbols}" != "${line}" ]; then |
| echo 1 |
| break |
| elif [ "${line% gomp_barrier_init}" != "${line}" ]; then |
| echo 0 |
| break |
| fi |
| done)" |
| exit ${rc:-1} |
| |
| fi |