From 807775cfa4a2ee70feba1c5c750f02335479144c Mon Sep 17 00:00:00 2001
From: Simon Hoinkis <simon.hoinkis@codethink.co.uk>
Date: Mon, 13 Apr 2015 08:37:40 +0000
Subject: Fix build on MIPS32B with musl

---
 strata/build-essential-musl.morph                  | 40 +++++++++++-----------
 strata/build-essential-musl/binutils.morph         |  4 +++
 strata/build-essential-musl/gcc.morph              | 15 ++++++--
 .../build-essential-musl/linux-api-headers.morph   |  2 ++
 strata/build-essential-musl/musl.morph             | 20 ++++++++++-
 strata/build-essential-musl/stage1-binutils.morph  |  7 +++-
 strata/build-essential-musl/stage1-gcc.morph       | 12 ++++++-
 strata/build-essential-musl/stage2-binutils.morph  |  6 +++-
 strata/build-essential-musl/stage2-gawk.morph      | 10 ++++--
 .../stage2-gcc-fixed-headers.morph                 |  7 ++++
 strata/build-essential-musl/stage2-gcc.morph       | 17 ++++++---
 strata/build-essential-musl/stage2-libstdc++.morph | 14 ++++++--
 .../stage2-linux-api-headers.morph                 |  2 ++
 strata/build-essential-musl/stage2-make.morph      | 10 ++++--
 strata/build-essential-musl/stage2-musl.morph      | 36 +++++++++++--------
 strata/core-musl.morph                             |  2 +-
 16 files changed, 148 insertions(+), 56 deletions(-)

diff --git a/strata/build-essential-musl.morph b/strata/build-essential-musl.morph
index 63353e5f..38f1a1be 100644
--- a/strata/build-essential-musl.morph
+++ b/strata/build-essential-musl.morph
@@ -34,8 +34,8 @@ description: |
 chunks:
 - name: stage1-binutils-musl
   morph: strata/build-essential-musl/stage1-binutils.morph
-  repo: upstream:binutils-redhat
-  ref: b1d3b01332ae49a60ff5d6bf53d3a5b1805769c8
+  repo: file:///src/workspace/binutils-redhat
+  ref: 090295d0519c747c989eb628e099128d6fb26f33
   unpetrify-ref: baserock/build-essential
   build-depends: []
   build-mode: bootstrap
@@ -43,8 +43,8 @@ chunks:
 
 - name: stage1-gcc-musl
   morph: strata/build-essential-musl/stage1-gcc.morph
-  repo: upstream:gcc-tarball
-  ref: 64b6dc020e879808a0c8f2271585e2f5ae45372a
+  repo: file:///src/workspace/gcc-tarball
+  ref: 164c79f856e26a0f7577f91a8cc32d61b848b935
   unpetrify-ref: baserock/build-essential-musl
   build-depends:
   - stage1-binutils-musl
@@ -64,8 +64,8 @@ chunks:
 
 - name: stage2-musl
   morph: strata/build-essential-musl/stage2-musl.morph
-  repo: upstream:musl
-  ref: 12cc52b5f2ca421786dc7ac227a0d41a8c8ed0c2
+  repo: file:///src/workspace/musl
+  ref: d8b6bef220f526528f13207108ed8a89dc348975
   unpetrify-ref: baserock/1.1.6
   build-depends:
   - stage1-binutils-musl
@@ -76,8 +76,8 @@ chunks:
 
 - name: stage2-libstdc++-musl
   morph: strata/build-essential-musl/stage2-libstdc++.morph
-  repo: upstream:gcc-tarball
-  ref: 64b6dc020e879808a0c8f2271585e2f5ae45372a
+  repo: file:///src/workspace/gcc-tarball
+  ref: 164c79f856e26a0f7577f91a8cc32d61b848b935
   unpetrify-ref: baserock/build-essential-musl
   build-depends:
   - stage1-binutils-musl
@@ -88,8 +88,8 @@ chunks:
 
 - name: stage2-binutils-musl
   morph: strata/build-essential-musl/stage2-binutils.morph
-  repo: upstream:binutils-redhat
-  ref: b1d3b01332ae49a60ff5d6bf53d3a5b1805769c8
+  repo: file:///src/workspace/binutils-redhat
+  ref: 090295d0519c747c989eb628e099128d6fb26f33
   unpetrify-ref: baserock/build-essential
   build-depends:
   - stage1-binutils-musl
@@ -100,8 +100,8 @@ chunks:
 
 - name: stage2-gcc-fixed-headers-musl
   morph: strata/build-essential-musl/stage2-gcc-fixed-headers.morph
-  repo: upstream:gcc-tarball
-  ref: 64b6dc020e879808a0c8f2271585e2f5ae45372a
+  repo: file:///src/workspace/gcc-tarball
+  ref: 164c79f856e26a0f7577f91a8cc32d61b848b935
   unpetrify-ref: baserock/build-essential-musl
   build-depends:
   - stage1-binutils-musl
@@ -112,8 +112,8 @@ chunks:
 
 - name: stage2-gcc-musl
   morph: strata/build-essential-musl/stage2-gcc.morph
-  repo: upstream:gcc-tarball
-  ref: 64b6dc020e879808a0c8f2271585e2f5ae45372a
+  repo: file:///src/workspace/gcc-tarball
+  ref: 164c79f856e26a0f7577f91a8cc32d61b848b935
   unpetrify-ref: baserock/build-essential-musl
   build-depends:
   - stage1-binutils-musl
@@ -225,8 +225,8 @@ chunks:
 
 - name: musl
   morph: strata/build-essential-musl/musl.morph
-  repo: upstream:musl
-  ref: 12cc52b5f2ca421786dc7ac227a0d41a8c8ed0c2
+  repo: file:///src/workspace/musl
+  ref: d8b6bef220f526528f13207108ed8a89dc348975
   unpetrify-ref: baserock/1.1.6
   build-depends:
   - stage2-binutils-musl
@@ -260,8 +260,8 @@ chunks:
 
 - name: binutils-musl
   morph: strata/build-essential-musl/binutils.morph
-  repo: upstream:binutils-redhat
-  ref: b1d3b01332ae49a60ff5d6bf53d3a5b1805769c8
+  repo: file:///src/workspace/binutils-redhat
+  ref: 090295d0519c747c989eb628e099128d6fb26f33
   unpetrify-ref: baserock/build-essential
   build-depends:
   - stage2-binutils-musl
@@ -327,8 +327,8 @@ chunks:
 
 - name: gcc-musl
   morph: strata/build-essential-musl/gcc.morph
-  repo: upstream:gcc-tarball
-  ref: 64b6dc020e879808a0c8f2271585e2f5ae45372a
+  repo: file:///src/workspace/gcc-tarball
+  ref: 164c79f856e26a0f7577f91a8cc32d61b848b935
   unpetrify-ref: baserock/build-essential-musl
   build-depends:
   - stage2-binutils-musl
diff --git a/strata/build-essential-musl/binutils.morph b/strata/build-essential-musl/binutils.morph
index bab52672..069d59ef 100644
--- a/strata/build-essential-musl/binutils.morph
+++ b/strata/build-essential-musl/binutils.morph
@@ -4,5 +4,9 @@ build-system: autotools
 
 configure-commands:
 - |
+  case "$MORPH_ARCH" in
+      mips64*)  ARCH_FLAGS="--with-arch=octeon2" ;;
+  esac
   ./configure --prefix="$PREFIX" --disable-nls --disable-werror \
+    $ARCH_FLAGS                                                 \
     --with-system-zlib
diff --git a/strata/build-essential-musl/gcc.morph b/strata/build-essential-musl/gcc.morph
index 1597124d..7d036f35 100644
--- a/strata/build-essential-musl/gcc.morph
+++ b/strata/build-essential-musl/gcc.morph
@@ -1,6 +1,12 @@
 name: gcc
 kind: chunk
 
+pre-configure-commands:
+- |
+  case "$MORPH_ARCH" in
+      mips64*)  sed -i "s/^\(\#define\s\+MIPS_ABI_DEFAULT\s\+\)ABI_32/\1ABI_64/" gcc/config/mips/mips.h ;;
+  esac
+
 configure-commands:
 - mkdir o
 
@@ -18,6 +24,8 @@ configure-commands:
                             --with-fpu=vfpv3-d16 \
                             --with-float=hard" ;;
       armv7*)   ARCH_FLAGS="--with-arch=armv7-a" ;;
+      mips64*)  ARCH_FLAGS="--with-arch=octeon2 \
+                            --with-abi=64" ;;
   esac
 
   TARGET_STAGE1=`echo $TARGET_STAGE1 | sed -e 's/bootstrap-linux-gnu/linux-musl/'`
@@ -29,9 +37,12 @@ configure-commands:
             --disable-bootstrap                               \
     `# [2]` --with-system-zlib                                \
     `# [3]` --disable-multilib                                \
-            --enable-languages=c,c++,fortran                  \
             --disable-libgomp                                 \
-            --disable-libsanitizer
+            --disable-libmudflap                              \
+            --disable-nls                                     \
+            --disable-decimal-float                           \
+            --disable-libsanitizer                            \
+            --enable-languages=c,c++,fortran
 
 
 build-commands:
diff --git a/strata/build-essential-musl/linux-api-headers.morph b/strata/build-essential-musl/linux-api-headers.morph
index f634e8f7..08059a37 100644
--- a/strata/build-essential-musl/linux-api-headers.morph
+++ b/strata/build-essential-musl/linux-api-headers.morph
@@ -11,6 +11,8 @@ install-commands:
           ARCH="x86_64" ;;
       ppc64)
           ARCH="powerpc" ;;
+      mips*)
+          ARCH="mips" ;;
       *)
           echo "Error: unsupported Morph architecture: $MORPH_ARCH" >&2
           exit 1
diff --git a/strata/build-essential-musl/musl.morph b/strata/build-essential-musl/musl.morph
index b6e11f90..a5436d68 100644
--- a/strata/build-essential-musl/musl.morph
+++ b/strata/build-essential-musl/musl.morph
@@ -7,4 +7,22 @@ build-commands:
 install-commands:
 - make install
 - install -d "$DESTDIR$PREFIX/bin" ; cd "$DESTDIR$PREFIX/bin" ; ln -s ../../lib/ld-musl* ldd
-- install -d "$DESTDIR/etc" ; echo "/lib:/lib64:/usr/lib64:/usr/lib" >> "$DESTDIR/etc/ld-musl-$MORPH_ARCH.path"
+- |
+  case "$MORPH_ARCH" in
+      armv7b|armv7l|armv7lhf)
+          ARCH="arm" ;;
+      x86_32)                                     
+          ARCH="i386" ;;             
+      x86_64)                        
+          ARCH="x86_64" ;;                                                
+      ppc64)              
+          ARCH="powerpc" ;;
+      mips*)                                                                         
+          ARCH="mips" ;;                          
+      *)       
+          echo "Error: unsupported Morph architecture: $MORPH_ARCH" >&2
+          exit 1 
+  esac
+  echo "/lib:/lib64:/usr/lib64:/usr/lib" >> "ld-musl-$ARCH.path"
+  install -d "$DESTDIR/etc"
+  install "ld-musl-$ARCH.path" "$DESTDIR/etc/ld-musl-$ARCH.path"
diff --git a/strata/build-essential-musl/stage1-binutils.morph b/strata/build-essential-musl/stage1-binutils.morph
index 2d2cb497..0543f17d 100644
--- a/strata/build-essential-musl/stage1-binutils.morph
+++ b/strata/build-essential-musl/stage1-binutils.morph
@@ -16,8 +16,13 @@ configure-commands:
 # x86_64).
 
 - |
+  case "$MORPH_ARCH" in
+      mips64*)  ARCH_FLAGS="--with-arch=octeon2" ;;
+  esac
+  TARGET_STAGE1=`echo $TARGET_STAGE1 | sed -e 's/bootstrap-linux-gnu/linux-musl/'`
   ./configure --prefix="$PREFIX" --disable-nls --disable-werror \
     --build=$(sh config.guess) \
     --host=$(sh config.guess) \
-    --target=x86_64-linux-musl \
+    --target=$TARGET_STAGE1 \
+    $ARCH_FLAGS \
     --with-sysroot=/nonexistentdir --with-lib-path="=$PREFIX/lib:=$PREFIX/lib64"
diff --git a/strata/build-essential-musl/stage1-gcc.morph b/strata/build-essential-musl/stage1-gcc.morph
index b231a05d..6571d346 100644
--- a/strata/build-essential-musl/stage1-gcc.morph
+++ b/strata/build-essential-musl/stage1-gcc.morph
@@ -1,6 +1,12 @@
 name: stage1-gcc
 kind: chunk
 
+pre-configure-commands:
+- |
+  case "$MORPH_ARCH" in
+      mips64*)  sed -i "s/^\(\#define\s\+MIPS_ABI_DEFAULT\s\+\)ABI_32/\1ABI_64/" gcc/config/mips/mips.h ;;
+  esac
+
 configure-commands:
 # Workaround from LFS due GCC not detecting stack protection correctly
 - sed -i '/k prot/agcc_cv_libc_provides_ssp=yes' gcc/configure
@@ -30,13 +36,17 @@ configure-commands:
                             --with-fpu=vfpv3-d16 \
                             --with-float=hard" ;;
       armv7*)   ARCH_FLAGS="--with-arch=armv7-a" ;;
+      mips64*)  ARCH_FLAGS="--with-arch=octeon2 \
+                            --with-abi=64" ;;
   esac
 
+  TARGET_STAGE1=`echo $TARGET_STAGE1 | sed -e 's/bootstrap-linux-gnu/linux-musl/'`
+
   cd o && ../configure                                        \
             $ARCH_FLAGS                                       \
             --build=$(sh ../config.guess)                     \
             --host=$(sh ../config.guess)                      \
-            --target=x86_64-linux-musl                        \
+            --target=$TARGET_STAGE1                           \
             --prefix="$PREFIX"                                \
     `# [1]` --libdir="$PREFIX/lib"                            \
     `# [2]` --with-sysroot=/nonexistentdir                    \
diff --git a/strata/build-essential-musl/stage2-binutils.morph b/strata/build-essential-musl/stage2-binutils.morph
index 20a19860..8da663e4 100644
--- a/strata/build-essential-musl/stage2-binutils.morph
+++ b/strata/build-essential-musl/stage2-binutils.morph
@@ -4,6 +4,9 @@ build-system: autotools
 
 configure-commands:
 - |
+  case "$MORPH_ARCH" in
+      mips64*)  ARCH_FLAGS="--with-arch=octeon2" ;; 
+  esac
   export STAGE2_SYSROOT="$(dirname $(pwd))"
   export CXX=false
   TARGET_STAGE1=`echo $TARGET_STAGE1 | sed -e 's/bootstrap-linux-gnu/linux-musl/'`
@@ -14,7 +17,8 @@ configure-commands:
   ./configure --prefix="$PREFIX" --disable-nls --disable-werror \
     --build=$(sh config.guess) \
     --host=$TARGET_STAGE1 \
-    --target=$TARGET_STAGE1
+    --target=$TARGET_STAGE1 \
+    $ARCH_FLAGS
 
 build-commands:
 - |
diff --git a/strata/build-essential-musl/stage2-gawk.morph b/strata/build-essential-musl/stage2-gawk.morph
index 21bcf16a..1ee5f83b 100644
--- a/strata/build-essential-musl/stage2-gawk.morph
+++ b/strata/build-essential-musl/stage2-gawk.morph
@@ -2,8 +2,12 @@ name: stage2-gawk
 kind: chunk
 build-system: autotools
 configure-commands:
-- STAGE2_SYSROOT="$(dirname $(pwd))" CPPFLAGS="--sysroot=$STAGE2_SYSROOT" CXX=false
-  LDFLAGS="--sysroot=$STAGE2_SYSROOT" ./configure --prefix="$PREFIX" --disable-nls
-  --build=$(sh config.guess)  --host=x86_64-linux-musl
+- |
+  export TARGET_STAGE1=`echo $TARGET_STAGE1 | sed -e 's/bootstrap-linux-gnu/linux-musl/'`
+  export STAGE2_SYSROOT="$(dirname $(pwd))" 
+  export CPPFLAGS="--sysroot=$STAGE2_SYSROOT" 
+  export CXX=false
+  export LDFLAGS="--sysroot=$STAGE2_SYSROOT"
+  ./configure --prefix="$PREFIX" --disable-nls --build=$(sh config.guess) --host=$TARGET_STAGE1
 build-commands:
 - STAGE2_SYSROOT="$(dirname $(pwd))" make
diff --git a/strata/build-essential-musl/stage2-gcc-fixed-headers.morph b/strata/build-essential-musl/stage2-gcc-fixed-headers.morph
index 9d3e293c..9e77c67f 100644
--- a/strata/build-essential-musl/stage2-gcc-fixed-headers.morph
+++ b/strata/build-essential-musl/stage2-gcc-fixed-headers.morph
@@ -1,5 +1,12 @@
 name: stage2-gcc-fixed-headers
 kind: chunk
+
+pre-configure-commands:
+- |
+  case "$MORPH_ARCH" in
+      mips64*)  sed -i "s/^\(\#define\s\+MIPS_ABI_DEFAULT\s\+\)ABI_32/\1ABI_64/" gcc/config/mips/mips.h ;;
+  esac
+
 install-commands:
 # Stage 1 GCC's fixincludes process created a limits.h before there was
 # a real limits.h available for the target. This step (taken from Linux
diff --git a/strata/build-essential-musl/stage2-gcc.morph b/strata/build-essential-musl/stage2-gcc.morph
index 53e5b8c5..15bad22c 100644
--- a/strata/build-essential-musl/stage2-gcc.morph
+++ b/strata/build-essential-musl/stage2-gcc.morph
@@ -1,6 +1,12 @@
 name: stage2-gcc
 kind: chunk
 
+pre-configure-commands:
+- |
+  case "$MORPH_ARCH" in
+      mips64*)  sed -i "s/^\(\#define\s\+MIPS_ABI_DEFAULT\s\+\)ABI_32/\1ABI_64/" gcc/config/mips/mips.h ;;
+  esac
+
 configure-commands:
 - mkdir o
 
@@ -27,6 +33,8 @@ configure-commands:
                             --with-fpu=vfpv3-d16 \
                             --with-float=hard" ;;
       armv7*)   ARCH_FLAGS="--with-arch=armv7-a" ;;
+      mips64*)  ARCH_FLAGS="--with-arch=mips64 \
+                            --with-abi=64" ;;
   esac
   TARGET_STAGE1=`echo $TARGET_STAGE1 | sed -e 's/bootstrap-linux-gnu/linux-musl/'`
   export STAGE2_SYSROOT="$(dirname $(pwd))"
@@ -71,11 +79,10 @@ install-commands:
 # gcc/config/i386/t-linux64 and this might break things, so for now we
 # tolerate the inconsistency.
 - |
-  if [ "$(echo $TARGET | cut -c -6)" = "x86_64" ]; then
-    libdir=lib64
-  else
-    libdir=lib
-  fi
+  case "$TARGET" in
+    x86_64* | mips64*) libdir=lib64 ;;
+    *)                 libdir=lib ;;
+  esac
 
   install -d "$DESTDIR/lib"
   ln -s "$PREFIX/$libdir/libgcc_s.so" "$DESTDIR/lib/"
diff --git a/strata/build-essential-musl/stage2-libstdc++.morph b/strata/build-essential-musl/stage2-libstdc++.morph
index dcd0d98f..3c72596a 100644
--- a/strata/build-essential-musl/stage2-libstdc++.morph
+++ b/strata/build-essential-musl/stage2-libstdc++.morph
@@ -1,5 +1,12 @@
 name: stage2-libstdc++
 kind: chunk
+
+pre-configure-commands:
+- |
+  case "$MORPH_ARCH" in
+      mips64*)  sed -i "s/^\(\#define\s\+MIPS_ABI_DEFAULT\s\+\)ABI_32/\1ABI_64/" gcc/config/mips/mips.h ;;
+  esac 
+
 configure-commands:
 - mkdir o
 
@@ -13,21 +20,22 @@ configure-commands:
 #     directory.
 - |
   export STAGE2_SYSROOT="$(dirname $(pwd))"
+  export TARGET_STAGE1=`echo $TARGET_STAGE1 | sed -e 's/bootstrap-linux-gnu/linux-musl/'`
   # -fPIC must be given, otherwise it will not be possible to create
   # shared libraries linked to libstdc++
   export CPPFLAGS="--sysroot=$STAGE2_SYSROOT -fPIC"
   export LDFLAGS="--sysroot=$STAGE2_SYSROOT"
   cd o && ../libstdc++-v3/configure                           \
             --build=$(sh ../config.guess)                     \
-            --host=x86_64-linux-musl                          \
-            --target=x86_64-linux-musl                        \
+            --host=$TARGET_STAGE1                             \
+            --target=$TARGET_STAGE1                           \
             --prefix="$PREFIX"                                \
             --disable-nls                                     \
             --disable-shared                                  \
             --disable-multilib                                \
     `# [1]` --disable-libstdcxx-threads                       \
     `# [2]` --disable-libstdcxx-pch                           \
-    `# [3]` --with-gxx-include-dir=/tools/x86_64-linux-musl/include/c++/4.9.2
+    `# [3]` --with-gxx-include-dir="/tools/$TARGET_STAGE1/include/c++/4.9.2"
 
 build-commands:
 - cd o && make
diff --git a/strata/build-essential-musl/stage2-linux-api-headers.morph b/strata/build-essential-musl/stage2-linux-api-headers.morph
index 50e1aaa5..841f6fb0 100644
--- a/strata/build-essential-musl/stage2-linux-api-headers.morph
+++ b/strata/build-essential-musl/stage2-linux-api-headers.morph
@@ -11,6 +11,8 @@ install-commands:
           ARCH="x86_64" ;;
       ppc64)
           ARCH="powerpc" ;;
+      mips*)
+          ARCH="mips" ;;
       *)
           echo "Error: unsupported Morph architecture: $MORPH_ARCH" >&2
           exit 1
diff --git a/strata/build-essential-musl/stage2-make.morph b/strata/build-essential-musl/stage2-make.morph
index c33b9f1f..7d287402 100644
--- a/strata/build-essential-musl/stage2-make.morph
+++ b/strata/build-essential-musl/stage2-make.morph
@@ -2,8 +2,12 @@ name: stage2-make
 kind: chunk
 build-system: autotools
 configure-commands:
-- STAGE2_SYSROOT="$(dirname $(pwd))" CPPFLAGS="--sysroot=$STAGE2_SYSROOT" CXX=false
-  LDFLAGS="--sysroot=$STAGE2_SYSROOT" ./configure --prefix="$PREFIX" --disable-nls
-  --build=$(sh config/config.guess) --host=x86_64-linux-musl
+- |
+  export STAGE2_SYSROOT="$(dirname $(pwd))" 
+  export CPPFLAGS="--sysroot=$STAGE2_SYSROOT" 
+  export CXX=false
+  export TARGET_STAGE1=`echo $TARGET_STAGE1 | sed -e 's/bootstrap-linux-gnu/linux-musl/'`;
+  export LDFLAGS="--sysroot=$STAGE2_SYSROOT" 
+  ./configure --prefix="$PREFIX" --disable-nls --build=$(sh config/config.guess) --host=$TARGET_STAGE1
 build-commands:
 - STAGE2_SYSROOT="$(dirname $(pwd))" make
diff --git a/strata/build-essential-musl/stage2-musl.morph b/strata/build-essential-musl/stage2-musl.morph
index f1850995..92b55f28 100644
--- a/strata/build-essential-musl/stage2-musl.morph
+++ b/strata/build-essential-musl/stage2-musl.morph
@@ -8,12 +8,13 @@ configure-commands:
 #   4. Force configuration values of certain things that can't be detected
 #      in a cross-compile.
 - |
+  TARGET_STAGE1=`echo $TARGET_STAGE1 | sed -e 's/bootstrap-linux-gnu/linux-musl/'`; \
   export CFLAGS="-O2 $CFLAGS"; export CXX=false; \
   ./configure \
-    CROSS_COMPILE=x86_64-linux-musl- \
+    CROSS_COMPILE="$TARGET_STAGE1-" \
     $ARCH_FLAGS \
     --prefix="$PREFIX" \
-    --host=x86_64-linux-musl \
+    --host=$TARGET_STAGE1 \
     --disable-gcc-wrapper \
     `# [1]` --libdir="$PREFIX/lib" \
     `# [2]` --with-headers="$(pwd)/../../$PREFIX/include" \
@@ -26,23 +27,28 @@ build-commands:
 
 install-commands:
 - make install_root="$DESTDIR" localtime=UTC install
-- sh stage2-musl-fix-specs
+- export TARGET_STAGE1=`echo $TARGET_STAGE1 | sed -e 's/bootstrap-linux-gnu/linux-musl/'`; sh stage2-musl-fix-specs
 
 # Install a symlink for the program interpreter (ld.so) so that binaries
 # built in stage 3 before the stage 3 musl is built can use it.        
 # sysdeps/unix/sysv/linux/configure.      
 - install -d $DESTDIR/lib           
 - |                      
-  cpu=$(echo $TARGET | cut -d '-' -f 1)
-  case "$cpu" in                       
-  x86_64)       
-    cd "$DESTDIR$PREFIX"/lib ; ln -s libc.so ld-musl-x86_64.so.1 ;;
-  ppc64)                                          
-    install -d "$DESTDIR/lib64"
-    ln -s "$PREFIX/lib/ld64.so.1" \
-          "$DESTDIR/lib64/ld64.so.1" ;;
-  *)                                   
-    loader=$(basename $(ls "$DESTDIR$PREFIX"/lib/ld-musl*))
-    [ -z $loader ] && ( echo "Bug in stage2-musl ld.so symlinks" ; exit 1 )
-    ln -s "$PREFIX/lib/$loader" "$DESTDIR/lib/$loader"      
+  case "$MORPH_ARCH" in
+      armv7b|armv7l|armv7lhf)
+          ARCH="arm" ;;
+      x86_32)
+          ARCH="i386" ;;
+      x86_64)
+          ARCH="x86_64" ;;
+      ppc64)
+          ARCH="powerpc" ;;
+      mips*)
+          ARCH="mips" ;;
+      *)
+          echo "Error: unsupported Morph architecture: $MORPH_ARCH" >&2
+          exit 1
   esac
+  loader=$(basename $(ls "$DESTDIR$PREFIX"/lib/libc.so))
+  [ -z $loader ] && ( echo "Bug in stage2-musl ld.so symlinks" ; exit 1 )
+   cd "$DESTDIR$PREFIX"/lib ; ln -s $loader ld-musl-$ARCH.so.1
diff --git a/strata/core-musl.morph b/strata/core-musl.morph
index ab2c4d3e..8da7170d 100644
--- a/strata/core-musl.morph
+++ b/strata/core-musl.morph
@@ -37,7 +37,7 @@ chunks:
 - name: mini-utils
   morph: strata/core/mini-utils.morph
   repo: file:///src/workspace/mini-utils
-  ref: 934bfa907d278bc19172938d7c09379fd8d997f9
+  ref: fc5ed3c6cfdbe7f5dad7e534dd15e62fbe44db37
   unpetrify-ref: master
   build-depends: []
 - name: ncurses
-- 
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