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|
#! @shell@ -e
params="$@"
if test -n "$NIX_GCC_WRAPPER_START_HOOK"; then
source "$NIX_GCC_WRAPPER_START_HOOK"
fi
export NIX_CFLAGS_COMPILE="@cflagsCompile@ $NIX_CFLAGS_COMPILE"
export NIX_CFLAGS_LINK="@cflagsLink@ $NIX_CFLAGS_LINK"
export NIX_LDFLAGS="@ldflags@ $NIX_LDFLAGS"
export NIX_LDFLAGS_BEFORE="@ldflagsBefore@ $NIX_LDFLAGS_BEFORE"
export NIX_GLIBC_FLAGS_SET=1
source @out@/nix-support/utils
# Figure out if linker flags should be passed. GCC prints annoying
# warnings when they are not needed.
dontLink=0
if test "$*" = "-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
# Add the flags for the C compiler proper.
extraAfter="$NIX_CFLAGS_COMPILE"
extraBefore=""
if test "$dontLink" != "1"; then
# Add the flags that should only be passed to the compiler when
# linking.
extraAfter="$extraAfter $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 $NIX_LDFLAGS_BEFORE; do
extraBefore="$extraBefore -Wl,$i"
done
for i in $NIX_LDFLAGS; do
if test "${i:0:3}" = "-L"; then
extraAfter="$extraAfter $i"
else
extraAfter="$extraAfter -Wl,$i"
fi
done
export NIX_LDFLAGS_SET=1
if test "$NIX_STRIP_DEBUG" = "1"; then
# Add executable-stripping flags.
extraAfter="$extraAfter $NIX_CFLAGS_STRIP"
fi
fi
# As a very special hack, if the arguments are just `-v', then don't
# add anything. This is to prevent `gcc -v' (which normally prints
# out the version number and returns exit code 0) from printing out
# `No input files specified' and returning exit code 1.
if test "$*" = "-v"; then
extraAfter=""
extraBefore=""
fi
if test -n "$NIX_GCC_WRAPPER_EXEC_HOOK"; then
source "$NIX_GCC_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_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
|
