nixpkgs-suyu/pkgs/build-support/cc-wrapper/gnatlink-wrapper.sh
John Ericson 2493454e13 cc-wrapper: Use set -u throughout
Now is an opportune time to do this, as the infixSalt conversion in
`add-flags.sh` ensures that all the relevant `NIX_*` vars will be
defined even if empty.
2017-08-07 03:05:51 -04:00

40 lines
1.1 KiB
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#! @shell@
set -eu -o pipefail
shopt -s nullglob
# N.B. Gnat is not used during bootstrapping, so we don't need to
# worry about the old bash empty array `set -u` workarounds.
# 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_@infixSalt@_LDFLAGS again).
#for i in $NIX_@infixSalt@_LDFLAGS_BEFORE; do
# extraBefore+=("-largs" "$i")
#done
#for i in $NIX_@infixSalt@_LDFLAGS; do
# if [ "${i:0:3}" = -L/ ]; then
# extraAfter+=("$i")
# else
# extraAfter+=("-largs" "$i")
# fi
#done
#export NIX_@infixSalt@_LDFLAGS_SET=1
# Optionally print debug info.
if [ -n "${NIX_DEBUG:-}" ]; then
echo "extra flags before to @prog@:" >&2
printf " %q\n" "${extraBefore[@]}" >&2
echo "original flags to @prog@:" >&2
printf " %q\n" "$@" >&2
echo "extra flags after to @prog@:" >&2
printf " %q\n" "${extraAfter[@]}" >&2
fi
if [ -n "$NIX_@infixSalt@_GNAT_WRAPPER_EXEC_HOOK" ]; then
source "$NIX_@infixSalt@_GNAT_WRAPPER_EXEC_HOOK"
fi
exec @prog@ "${extraBefore[@]}" "$@" "${extraAfter[@]}"