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|
#! @shell@ -e
if test -n "$NIX_GNAT_WRAPPER_START_HOOK"; then
source "$NIX_GNAT_WRAPPER_START_HOOK"
fi
if test -z "$NIX_GNAT_WRAPPER_FLAGS_SET"; then
source @out@/nix-support/add-flags.sh
fi
source @out@/nix-support/utils.sh
# Figure out if linker flags should be passed. GCC prints annoying
# warnings when they are not needed.
dontLink=0
getVersion=0
nonFlagArgs=0
for i in "$@"; do
if test "$i" = "-c"; then
dontLink=1
elif test "$i" = "-M"; then
dontLink=1
elif test "${i:0:1}" != "-"; then
nonFlagArgs=1
elif test "$i" = "-m32"; then
if test -e @out@/nix-support/dynamic-linker-m32; then
NIX_LDFLAGS="$NIX_LDFLAGS -dynamic-linker $(cat @out@/nix-support/dynamic-linker-m32)"
fi
fi
done
# If we pass a flag like -Wl, then gcc will call the linker unless it
# can figure out that it has to do something else (e.g., because of a
# "-c" flag). So if no non-flag arguments are given, don't pass any
# linker flags. This catches cases like "gcc" (should just print
# "gcc: no input files") and "gcc -v" (should print the version).
if test "$nonFlagArgs" = "0"; then
dontLink=1
fi
# Optionally filter out paths not refering to the store.
params=("$@")
if test "$NIX_ENFORCE_PURITY" = "1" -a -n "$NIX_STORE"; then
rest=()
n=0
while test $n -lt ${#params[*]}; do
p=${params[n]}
p2=${params[$((n+1))]}
if test "${p:0:3}" = "-L/" && badPath "${p:2}"; then
skip $p
elif test "${p:0:3}" = "-I/" && badPath "${p:2}"; then
skip $p
elif test "${p:0:4}" = "-aI/" && badPath "${p:3}"; then
skip $p
elif test "${p:0:4}" = "-aO/" && badPath "${p:3}"; then
skip $p
else
rest=("${rest[@]}" "$p")
fi
n=$((n + 1))
done
params=("${rest[@]}")
fi
# Add the flags for the GNAT compiler proper.
extraAfter=($NIX_GNATFLAGS_COMPILE)
extraBefore=()
if [ "`basename $0`x" = "gnatmakex" ]; then
extraBefore=("--GNATBIND=@out@/bin/gnatbind --GNATLINK=@out@/bin/gnatlink ")
fi
# 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 @gnatProg@:" >&2
for i in "${params[@]}"; do
echo " $i" >&2
done
echo "extraBefore flags to @gnatProg@:" >&2
for i in ${extraBefore[@]}; do
echo " $i" >&2
done
echo "extraAfter flags to @gnatProg@:" >&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
@gnatProg@ ${extraBefore[@]} "${params[@]}" ${extraAfter[@]}
else
(@gnatProg@ ${extraBefore[@]} "${params[@]}" ${extraAfter[@]} 3>&2 2>&1 1>&3- \
| (grep -v 'file path prefix' || true); exit ${PIPESTATUS[0]}) 3>&2 2>&1 1>&3-
exit $?
fi
|