Adding gcc-runtime to the new build-essential

This chunk completes the glibc runtime, gcc needs to be
compiled with the musl host and glibc target so that we
have gcc runtimes and libstdc++ compiled against the host
glibc.

1 files changed, 94 insertions, 0 deletions

diff --git a/strata/build-essential/gcc-runtime.morph b/strata/build-essential/gcc-runtime.morph
new file mode 100644
index 00000000..d0894aed
--- /dev/null
+++ b/strata/build-essential/gcc-runtime.morph
@@ -0,0 +1,94 @@
+name: gcc-runtime
+kind: chunk
+build-system: autotools
+configure-commands:
+- mkdir o
+- |
+  case "$MORPH_ARCH" in
+      armv7lhf) ARCH_FLAGS="--with-arch=armv7-a \
+                            --with-cpu=cortex-a9 \
+                            --with-tune=cortex-a9 \
+                            --with-fpu=vfpv3-d16 \
+                            --with-float=hard" ;;
+      armv7*)   ARCH_FLAGS="--with-arch=armv7-a" ;;
+  esac
+  MUSL_TRIPLE=${MORPH_ARCH}-unknown-linux-musl
+  GNU_TRIPLE=${MORPH_ARCH}-unknown-linux-gnu
+  case "$MORPH_ARCH" in
+      arm*)
+          MUSL_TRIPLE=${MUSL_TRIPLE}eabi
+          GNU_TRIPLE=${GNU_TRIPLE}eabi
+      ;;
+  esac
+
+  # Do some really ugly setup stuff here, writing outside of our build area
+  #
+  ln -s . /usr/${GNU_TRIPLE}
+  ln -s /tools/usr/cc /usr/cc
+  ln -s /tools/usr/c++ /usr/c++
+  cd o
+
+  # Finally we're ready to run configure
+  #
+  RANLIB=`which ranlib` AR=`which ar` RANLIB_FOR_TARGET=`which ranlib` \
+  AR_FOR_TARGET=`which ar` NM_FOR_TARGET=`which nm` AS_FOR_TARGET=`which as` \
+  ac_cv_path_AR_FOR_TARGET=`which ar` \
+  ac_cv_path_RANLIB_FOR_TARGET=`which ranlib` \
+  ac_cv_path_NM_FOR_TARGET=`which nm` \
+  ac_cv_path_AS_FOR_TARGET=`which as` \
+  ac_cv_path_LD_FOR_TARGET=`which ld` \
+  ../configure $ARCH_FLAGS --prefix="$PREFIX" \
+               --build=${MUSL_TRIPLE}	      \
+               --host=${MUSL_TRIPLE}	      \
+               --target=${GNU_TRIPLE}	      \
+               --disable-multilib --disable-libmudflap \
+               --disable-libsanitizer --enable-tls --disable-lto \
+               --disable-nls --enable-c99 --enable-__cxa_atexit \
+               --enable-long-long --enable-shared \
+               --enable-threads=posix --enable-languages=c,c++
+build-commands:
+- |
+  # Here we specify LD_LIBRARY_PATH so that the built host tools which
+  # run during the gcc build find the musl based libstdc++
+  export LD_LIBRARY_PATH=/tools/usr/lib
+  cd o
+  make
+install-commands:
+- |
+  # Resolve our target triple again
+  GNU_TRIPLE=${MORPH_ARCH}-unknown-linux-gnu
+  case "$MORPH_ARCH" in
+      arm*)
+         GNU_TRIPLE=${GNU_TRIPLE}eabi
+      ;;
+  esac
+
+  # Thats right, still need to run C++ programs we built
+  # at install time, so still need to set LD_LIBRARY_PATH
+  export LD_LIBRARY_PATH=/tools/usr/lib
+  cd o
+  make DESTDIR=`pwd`/temp install
+
+  # Create compiler specific directories that ccwrap searches in
+  mkdir -p ${DESTDIR}/usr/cc/lib
+  mkdir -p ${DESTDIR}/usr/c++
+
+  # Get rid of a pesky directory first
+  rm -rf temp/usr/lib/gcc/*/*/install-tools
+
+  # Move the C headers in place
+  mv temp/usr/lib/gcc/*/*/include ${DESTDIR}/usr/cc/include
+
+  # Move gcc start/end stubs and static libraries in place,
+  # this also includes the 'fixed-headers' directory
+  #
+  mv temp/usr/lib/gcc/*/*/* ${DESTDIR}/usr/cc/lib
+
+  # Move C++ headers in place
+  mv temp/usr/${GNU_TRIPLE}/include/c++/* ${DESTDIR}/usr/c++/include
+
+  # Link the extra include path, the ccwrap program expects it in extra-includes
+  ln -s ${GNU_TRIPLE} ${DESTDIR}/usr/c++/include/extra-includes
+
+  # Finally move the target libstdc++ and other target libraries into the regular libdir
+  mv temp/usr/${GNU_TRIPLE}/lib ${DESTDIR}/usr/lib