Try different setup for binutils as part of GCC 16 build

ChangeLog:

	* Dockerfile.gcc16:

Author: mattkretz

Dockerfile.gcc16

@@ -15,10 +15,14 @@ RUN apt-get install -y --no-install-recommends \
     cd /root/gcc-16 && \
     curl -L https://github.com/gcc-mirror/gcc/archive/master.tar.gz \
     | tar -xz --strip-components=1 && \
-    mkdir binutils && cd binutils && \
+    mkdir /root/binutils && cd /root/binutils && \
     curl -L https://sourceware.org/pub/binutils/releases/binutils-2.45.tar.gz \
     | tar -xz --strip-components=1 && \
-    cd /root/gcc-16/obj && ../configure --enable-languages=c,c++,lto --prefix=/opt/gcc-16 --enable-checking=release && \
+    cd /root/gcc-16 && \
+    ln -s ../binutils/bfd ../binutils/gas ../binutils/binutils ../binutils/ld ../binutils/libctf \
+       ../binutils/libsframe ../binutils/opcodes . && \
+    cd /root/gcc-16/obj && \
+    ../configure --enable-languages=c,c++,lto --prefix=/opt/gcc-16 --enable-checking=release && \
     make BOOT_CFLAGS=-march=x86-64-v3 -j3 && \
     make -j3 install-strip && \
     update-alternatives --install /usr/bin/gcc-16 gcc-16 /opt/gcc-16/bin/gcc 160 --slave /usr/bin/g++-16 g++-16 /opt/gcc-16/bin/g++ && \