[scripts] ext-toolchain.sh: properly handle toolchains without sysroot support

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29772 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/scripts/ext-toolchain.sh b/scripts/ext-toolchain.sh
index 7283bf9..26dc198 100755 (executable)
--- a/scripts/ext-toolchain.sh
+++ b/scripts/ext-toolchain.sh
@@ -89,9 +89,9 @@ test_softfloat() {
 
 test_uclibc() {
        local sysroot="$("$CC" $CFLAGS -print-sysroot 2>/dev/null)"
-       if [ -d "$sysroot" ]; then
+       if [ -d "${sysroot:-$TOOLCHAIN}" ]; then
                local lib
-               for lib in "$sysroot"/{lib,usr/lib,usr/local/lib}/ld-uClibc*.so*; do
+               for lib in "${sysroot:-$TOOLCHAIN}"/{lib,usr/lib,usr/local/lib}/ld-uClibc*.so*; do
                        if [ -f "$lib" ] && [ ! -h "$lib" ]; then
                                return 0
                        fi
@@ -124,7 +124,7 @@ test_feature() {
        local inc
        local sysroot="$("$CC" "$@" -muclibc -print-sysroot 2>/dev/null)"
        for inc in "include" "usr/include" "usr/local/include"; do
-               local conf="$sysroot/$inc/bits/uClibc_config.h"
+               local conf="${sysroot:-$TOOLCHAIN}/$inc/bits/uClibc_config.h"
                if [ -f "$conf" ]; then
                        case "$feature" in
                                lfs)     grep -q '__UCLIBC_HAS_LFS__ 1'     "$conf"; return $?;;
@@ -174,12 +174,9 @@ find_bins() {
 
                local bindir bindirs
                for bindir in $(
-                       echo "$sysroot/bin";
-                       echo "$sysroot/usr/bin";
-                       echo "$sysroot/usr/local/bin";
-                       echo "$TOOLCHAIN/bin";
-                       echo "$TOOLCHAIN/usr/bin";
-                       echo "$TOOLCHAIN/usr/local/bin";
+                       echo "${sysroot:-$TOOLCHAIN}/bin";
+                       echo "${sysroot:-$TOOLCHAIN}/usr/bin";
+                       echo "${sysroot:-$TOOLCHAIN}/usr/local/bin";
                        "$CPP" $CFLAGS -v -x c /dev/null 2>&1 | \
                                sed -ne 's#:# #g; s#^COMPILER_PATH=##p'
                ); do