131 lines
3.6 KiB
Bash
131 lines
3.6 KiB
Bash
#! @shell@ -e
|
|
|
|
if test -n "$NIX_GCC_WRAPPER_START_HOOK"; then
|
|
source "$NIX_GCC_WRAPPER_START_HOOK"
|
|
fi
|
|
|
|
if test -z "$NIX_CROSS_GLIBC_FLAGS_SET"; then
|
|
source @out@/nix-support/add-flags
|
|
fi
|
|
|
|
source @out@/nix-support/utils
|
|
|
|
|
|
# Figure out if linker flags should be passed. GCC prints annoying
|
|
# warnings when they are not needed.
|
|
dontLink=0
|
|
if test "$*" = "-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=("${rest[@]}")
|
|
fi
|
|
|
|
|
|
# Add the flags for the C compiler proper.
|
|
extraAfter=($NIX_CROSS_CFLAGS_COMPILE)
|
|
extraBefore=()
|
|
|
|
if test "$dontLink" != "1"; then
|
|
|
|
# Add the flags that should only be passed to the compiler when
|
|
# linking.
|
|
extraAfter=(${extraAfter[@]} $NIX_CROSS_CFLAGS_LINK)
|
|
|
|
# Add the flags that should be passed to the linker (and prevent
|
|
# `ld-wrapper' from adding NIX_CROSS_LDFLAGS again).
|
|
for i in $NIX_CROSS_LDFLAGS_BEFORE; do
|
|
if test "${i:0:3}" = "-L/"; then
|
|
extraBefore=(${extraBefore[@]} "$i")
|
|
else
|
|
extraBefore=(${extraBefore[@]} "-Wl,$i")
|
|
fi
|
|
done
|
|
for i in $NIX_CROSS_LDFLAGS; do
|
|
if test "${i:0:3}" = "-L/"; then
|
|
extraAfter=(${extraAfter[@]} "$i")
|
|
else
|
|
extraAfter=(${extraAfter[@]} "-Wl,$i")
|
|
fi
|
|
done
|
|
export NIX_CROSS_LDFLAGS_SET=1
|
|
|
|
if test "$NIX_STRIP_DEBUG" = "1"; then
|
|
# Add executable-stripping flags.
|
|
extraAfter=(${extraAfter[@]} $NIX_CFLAGS_STRIP)
|
|
fi
|
|
fi
|
|
|
|
# Optionally print debug info.
|
|
if test "$NIX_DEBUG" = "1"; then
|
|
echo "original flags to @gccProg@:" >&2
|
|
for i in "${params[@]}"; do
|
|
echo " $i" >&2
|
|
done
|
|
echo "extraBefore flags to @gccProg@:" >&2
|
|
for i in ${extraBefore[@]}; do
|
|
echo " $i" >&2
|
|
done
|
|
echo "extraAfter flags to @gccProg@:" >&2
|
|
for i in ${extraAfter[@]}; do
|
|
echo " $i" >&2
|
|
done
|
|
fi
|
|
|
|
if test -n "$NIX_GCC_WRAPPER_EXEC_HOOK"; then
|
|
source "$NIX_GCC_WRAPPER_EXEC_HOOK"
|
|
fi
|
|
|
|
# We want gcc to call the wrapper linker, not that of binutils.
|
|
export PATH="@ldPath@:$PATH"
|
|
|
|
# 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_GCC_NEEDS_GREP"; then
|
|
@gccProg@ ${extraBefore[@]} "${params[@]}" ${extraAfter[@]}
|
|
else
|
|
(@gccProg@ ${extraBefore[@]} "${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
|