nixpkgs/pkgs/build-support/gcc-wrapper-old/gnatlink-wrapper.sh

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#! @shell@ -e
# Add the flags for the GNAT compiler proper.
extraAfter="--GCC=@out@/bin/gcc"
extraBefore=()
# Add the flags that should be passed to the linker (and prevent
# `ld-wrapper' from adding NIX_LDFLAGS again).
#for i in $NIX_LDFLAGS_BEFORE; do
# extraBefore=(${extraBefore[@]} "-largs $i")
#done
# Optionally print debug info.
if test "$NIX_DEBUG" = "1"; then
echo "original flags to @gnatlinkProg@:" >&2
for i in "$@"; do
echo " $i" >&2
done
echo "extraBefore flags to @gnatlinkProg@:" >&2
for i in ${extraBefore[@]}; do
echo " $i" >&2
done
echo "extraAfter flags to @gnatlinkProg@:" >&2
for i in ${extraAfter[@]}; do
echo " $i" >&2
done
fi
if test -n "$NIX_GNAT_WRAPPER_EXEC_HOOK"; then
source "$NIX_GNAT_WRAPPER_EXEC_HOOK"
fi
# Call the real `gcc'. Filter out warnings from stderr about unused
# `-B' flags, since they confuse some programs. Deep bash magic to
# apply grep to stderr (by swapping stdin/stderr twice).
if test -z "$NIX_GNAT_NEEDS_GREP"; then
@gnatlinkProg@ ${extraBefore[@]} "$@" ${extraAfter[@]}
else
(@gnatlinkProg@ ${extraBefore[@]} "$@" ${extraAfter[@]} 3>&2 2>&1 1>&3- \
| (grep -v 'file path prefix' || true); exit ${PIPESTATUS[0]}) 3>&2 2>&1 1>&3-
exit $?
fi