#!/usr/bin/env bash
DIR="$1"
if [ -d "$DIR" ]; then
DIR="$(cd "$DIR"; pwd)"
else
echo "Usage: $0 toolchain-dir"
exit 1
fi
echo -n "Locating cpp ... "
for bin in bin usr/bin usr/local/bin; do
for cmd in "$DIR/$bin/"*-cpp; do
if [ -x "$cmd" ]; then
echo "$cmd"
CPP="$cmd"
break
fi
done
done
if [ ! -x "$CPP" ]; then
echo "Can't locate a cpp executable in '$DIR' !"
exit 1
fi
patch_specs() {
local found=0
for lib in $(STAGING_DIR="$DIR" "$CPP" -x c -v /dev/null 2>&1 | sed -ne 's#:# #g; s#^LIBRARY_PATH=##p'); do
if [ -d "$lib" ]; then
grep -qs "STAGING_DIR" "$lib/specs" && rm -f "$lib/specs"
if [ $found -lt 1 ]; then
echo -n "Patching specs ... "
STAGING_DIR="$DIR" "$CPP" -dumpspecs | awk '
mode ~ "link" {
sub("%{L.}", "%{L*} -L %:getenv(STAGING_DIR /usr/lib) -rpath-link %:getenv(STAGING_DIR /usr/lib)")
}
mode ~ "cpp" {
$0 = $0 " -idirafter %:getenv(STAGING_DIR /usr/include)"
}
{
print $0
mode = ""
}
/^\*cpp:/ {
mode = "cpp"
}
/^\*link.*:/ {
mode = "link"
}
' > "$lib/specs"
echo "ok"
found=1
fi
fi
done
[ $found -gt 0 ]
return $?
}
VERSION="$(STAGING_DIR="$DIR" "$CPP" --version | sed -ne 's/^.* (.*) //; s/ .*$//; 1p')"
VERSION="${VERSION:-unknown}"
case "${VERSION##* }" in
2.*|3.*|4.0.*|4.1.*|4.2.*)
echo "The compiler version does not support getenv() in spec files."
echo -n "Wrapping binaries instead ... "
if "${0%/*}/ext-toolchain.sh" --toolchain "$DIR" --wrap "${CPP%/*}"; then
echo "ok"
exit 0
else
echo "failed"
exit $?
fi
;;
*)
if patch_specs; then
echo "Toolchain successfully patched."
exit 0
else
echo "Failed to locate library directory!"
exit 1
fi
;;
esac
