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#! @bash@ -e
if test -n "$NIX_GCC_WRAPPER_START_HOOK"; then
. "$NIX_GCC_WRAPPER_START_HOOK"
fi
if test -z "$NIX_GLIBC_FLAGS_SET"; then
. @out@/nix-support/add-flags
fi
. @out@/nix-support/utils
# Figure out if linker flags should be passed. GCC prints annoying
# warnings when they are not needed.
dontLink=0
if test "$*" = "-v" -o -z "$*"; then
dontLink=1
else
for i in "$@"; do
if test "$i" = "-c"; then
dontLink=1
elif test "$i" = "-S"; then
dontLink=1
elif test "$i" = "-E"; then
dontLink=1
elif test "$i" = "-E"; then
dontLink=1
elif test "$i" = "-M"; then
dontLink=1
elif test "$i" = "-MM"; then
dontLink=1
fi
done
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" = "-L" && badPath "$p2"; then
n=$((n + 1)); skip $p2
elif test "${p:0:3}" = "-I/" && badPath "${p:2}"; then
skip $p
elif test "$p" = "-I" && badPath "$p2"; then
n=$((n + 1)); skip $p2
elif test "$p" = "-isystem" && badPath "$p2"; then
n=$((n + 1)); skip $p2
else
rest=("${rest[@]}" "$p")
fi
n=$((n + 1))
done
params=("${rest[@]}")
fi
# Add the flags for the C compiler proper.
extra=($NIX_CFLAGS_COMPILE)
if test "$dontLink" != "1"; then
# Add the flags that should only be passed to the compiler when
# linking.
extra=(${extra[@]} $NIX_CFLAGS_LINK)
# Add the flags that should be passed to the linker (and prevent
# `ld-wrapper' from adding NIX_LDFLAGS again).
for i in $NIX_LDFLAGS; do
extra=(${extra[@]} "-Wl,$i")
done
export NIX_LDFLAGS_SET=1
if test "$NIX_STRIP_DEBUG" = "1"; then
# Add executable-stripping flags.
extra=(${extra[@]} $NIX_CFLAGS_STRIP)
fi
fi
# Optionally print debug info.
if test "$NIX_DEBUG" = "1"; then
echo "original flags to @gcc@:" >&2
for i in "${params[@]}"; do
echo " $i" >&2
done
echo "extra flags to @gcc@:" >&2
for i in ${extra[@]}; do
echo " $i" >&2
done
fi
if test -n "$NIX_GCC_WRAPPER_EXEC_HOOK"; then
. "$NIX_GCC_WRAPPER_EXEC_HOOK"
fi
exec @gcc@ "${params[@]}" ${extra[@]}
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