echo 2>&1 "${0##*/}: cross environment \`$env' unknown"; exit 2
fi
-if type >/dev/null 2>&1; then CROSS_COMPILER_PREFIX="ccache "
+if type ccache >/dev/null 2>&1; then CROSS_COMPILER_PREFIX="ccache "
else CROSS_COMPILER_PREFIX=
fi
export CROSS_COMPILER_PREFIX
*) PATH=$CROSSDIR/tools:$PATH ;;
esac
+case ${CROSS_NATIVE_P-nil} in
+ t) gcc=gcc clang=clang ;;
+ nil) gcc=$CROSS_ARCH-gcc clang=${CROSS_clang_TOOL-clang} ;;
+esac
+if type >/dev/null 2>&1 "$gcc"; then found_gcc=t; else found_gcc=nil; fi
+if type >/dev/null 2>&1 "$clang"; then found_clang=t; else found_clang=nil; fi
+case ${CROSS_COMPILER-guess},$found_gcc,$found_clang in
+ guess,t,* | prefer-gcc,t,* | gcc,t,* | prefer-clang,t,nil)
+ CROSS_COMPILER=gcc ;;
+ guess,nil,t | prefer-clang,*,t | clang,*,t | prefer-gcc,nil,t)
+ CROSS_COMPILER=clang ;;
+ guess,* | prefer-gcc,* | prefer-clang,*)
+ echo 2>&1 "${0##*/}: couldn't find C compiler \`$gcc' or \`$clang'"
+ exit 2
+ ;;
+ gcc,*) echo 2>&1 "${0##*/}: couldn't find C compiler \`$gcc'"; exit 2 ;;
+ clang,*) echo 2>&1 "${0##*/}: couldn't find C compiler \`$clang'"; exit 2 ;;
+ *)
+ echo 2>&1 "${0##*/}: unrecognized preferred compiler \`$CROSS_COMPILER'"
+ exit 2
+ ;;
+esac
+export CROSS_COMPILER
+
+LD_LIBRARY_PATH="$CROSS_PREFIX/lib${LD_LIBRARY_PATH+:$LD_LIBRARY_PATH}"
+export LD_LIBRARY_PATH
+
exec "$@"