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#!/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
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