fix gcc/musl paths

packages/gcc/Dockerfile

@@ -21,6 +21,7 @@ RUN set -ex; \
         --prefix /usr \
         --mandir=/usr/share/man \
         --infodir=/usr/share/info \
+        --libdir=/usr/lib \
         --disable-cet \
 		--disable-fixed-point \
 		--disable-libstdcxx-pch \

packages/musl/Dockerfile

@@ -9,9 +9,15 @@ RUN echo "${SRC_HASH} musl-${SRC_VERSION}.tar.gz" | sha256sum -c
 RUN tar -xzf musl-${SRC_VERSION}.tar.gz
 WORKDIR musl-${SRC_VERSION}
 RUN set -ex; \
-	./configure \
-        --prefix=/; \
-	make DESTDIR=/rootfs install;
+    ./configure \
+        --build=x86_64-linux-musl \
+        --host=x86_64-linux-musl \
+        --prefix=/usr \
+        --sysconfdir=/etc \
+        --mandir=/usr/share/man \
+        --infodir=/usr/share/info \
+        --localstatedir=/var; \
+    make DESTDIR=/home/user/rootfs install;
 
 FROM scratch
-COPY --from=build /rootfs /
+COPY --from=build /home/user/rootfs /