Build musl with -fPIC for all targets

Author: malbarbo

src/ci/docker/dist-i586-gnu-i586-i686-musl/Dockerfile

@@ -18,10 +18,10 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 
 WORKDIR /build/
 COPY scripts/musl.sh /build/
-RUN CC=gcc CFLAGS="-m32 -fPIC -Wa,-mrelax-relocations=no" \
+RUN CC=gcc CFLAGS="-m32 -Wa,-mrelax-relocations=no" \
     CXX=g++ CXXFLAGS="-m32 -Wa,-mrelax-relocations=no" \
     bash musl.sh i686 --target=i686 && \
-    CC=gcc CFLAGS="-march=pentium -m32 -fPIC -Wa,-mrelax-relocations=no" \
+    CC=gcc CFLAGS="-march=pentium -m32 -Wa,-mrelax-relocations=no" \
     CXX=g++ CXXFLAGS="-march=pentium -m32 -Wa,-mrelax-relocations=no" \
     bash musl.sh i586 --target=i586 && \
     rm -rf /build

src/ci/docker/dist-various-1/Dockerfile

@@ -89,7 +89,6 @@ ENV CC_mipsel_unknown_linux_musl=mipsel-openwrt-linux-gcc \
     CFLAGS_armv5te_unknown_linux_gnueabi="-march=armv5te -marm -mfloat-abi=soft"
 
 ENV RUST_CONFIGURE_ARGS \
-      --enable-extended \
       --target=$TARGETS \
       --musl-root-arm=/musl-arm \
       --musl-root-armhf=/musl-armhf \

src/ci/docker/dist-x86_64-musl/Dockerfile

@@ -21,7 +21,7 @@ WORKDIR /build/
 COPY scripts/musl.sh /build/
 # We need to mitigate rust-lang/rust#34978 when compiling musl itself as well
 RUN CC=gcc \
-    CFLAGS="-fPIC -Wa,-mrelax-relocations=no" \
+    CFLAGS="-Wa,-mrelax-relocations=no" \
     CXX=g++ \
     CXXFLAGS="-Wa,-mrelax-relocations=no" \
     bash musl.sh x86_64 && rm -rf /build

src/ci/docker/scripts/musl.sh

@@ -30,6 +30,8 @@ exit 1
 TAG=$1
 shift
 
+export CFLAGS="-fPIC $CFLAGS"
+
 MUSL=musl-1.1.18
 
 # may have been downloaded in a previous run