diff --git a/octave-10.2.0-0.build.sh b/octave-10.2.0-0.build.sh
new file mode 100755
index 0000000..e7ab2af
--- /dev/null
+++ b/octave-10.2.0-0.build.sh
@@ -0,0 +1,432 @@
+#! /bin/bash
+
+# ------------------------------------------------------------------- Debug
+
+# COOKIE=$(mcookie|cut -c-8); grep -v V_GREP_ME $0 > /dev/shm/runme-$COOKIE.sh ; sleep 0.3; exec bash /dev/shm/runme-$COOKIE.sh
+# TESTING=1
+
+# mind openblas.be0 lapack.be0 ...
+BLASPRESENT=$(echo -e /usr/lib/libopenblas* '\n' /usr/lib/libblas* '\n' /usr/lib/liblapack* | grep -v '*' | wc -c)
+test $BLASPRESENT != '0' -a -z "$NOBLASCHECK" && \
+  echo -e '# Only build w/o system blas/lapack!\n# bee remove' \
+            'openblas-0.3.9-1.x86_64 lapack-3.10.1-1.x86_64' && \
+  exit
+
+# ---------------------------------------------------------------- Preamble
+
+PKG=octave
+VERSION=10.2.0
+BUILD=0
+
+TASK=${TASK:-ALL} # when testing parts, do  #> TASK=BLAS ./octave-10.1.0-0.build.sh
+
+PREFIX=/pkg/$PKG-$VERSION-$BUILD
+if [ -n "$TESTING" ]; then PREFIX=/scratch/local2/$PKG-$VERSION-$BUILD ; fi
+
+PATH=/bin:/usr/bin:/usr/sbin:/usr/local/bin
+
+set -euv
+umask 022
+
+BUILD_TMPDIR=/scratch/local2/$PKG-$VERSION-$BUILD.$USER.build.tmp
+
+test -d $BUILD_TMPDIR && ( chmod -R u+rwx $BUILD_TMPDIR || true ; rm -rf $BUILD_TMPDIR )
+export TMPDIR=$BUILD_TMPDIR
+export HOME=$BUILD_TMPDIR/home
+mkdir -vp $HOME
+
+exec </dev/null
+
+mkdir -p $PREFIX
+cat >$PREFIX/profile <<-EOF
+	PATH=$PREFIX/bin:\$PATH
+	export JAVA_HOME=/pkg/openjdk-17.0.2.8-0
+	export LD_LIBRARY_PATH=$PREFIX/lib\${LD_LIBRARY_PATH:+:\$LD_LIBRARY_PATH}
+	PKG_CONFIG_PATH=$PREFIX/lib/pkgconfig\${PKG_CONFIG_PATH:+:\$PKG_CONFIG_PATH}
+	export PKG_CONFIG_PATH
+	if [ -d $PREFIX/.compatlibs ]; then export LD_LIBRARY_PATH=$PREFIX/.compatlibs\${LD_LIBRARY_PATH:+:}\$LD_LIBRARY_PATH ; fi
+EOF
+. $PREFIX/profile
+
+NPROC=$(( $(nproc) * 4 / 5 + 1 ))
+export MAKEFLAGS="-j $NPROC"
+
+BUILDDIR=$PREFIX/build
+
+mkdir -p $BUILDDIR
+cd $BUILDDIR
+
+
+# ------------------------------------------------------------- Maintenance
+
+if [ $TASK = 'zap' ]; then # reset
+  cd $PREFIX
+  for DIR in $(find -maxdepth 1 -type d | grep -v build | grep -i [a-z]); do # exclude build and the sole 'dot'
+    rm -rf $DIR
+  done
+  for DIR in */*/build; do
+    rm -rf $DIR
+  done
+  # qhull is a bit different :/
+  rm -rf build/qhull-2020.2
+
+  echo "# $PREFIX cleaned ..."
+  exit
+fi
+
+# ------------------------------------------ Dependencies (mostly optional)
+
+( if ! [ $TASK = 'ALL' -o $TASK = 'QH' ]; then exit; fi
+
+  # orig: http://www.qhull.org/download/qhull-2020-src-8.0.2.tgz
+  BEEHIVE=https://beehive.molgen.mpg.de/295f7332269a38279478f555cc185296/qhull-2020-src-8.0.2.tgz
+
+  test -e qhull-2020-src-8.0.2.tgz || wget -nv $BEEHIVE
+  test -d qhull-2020.2 || tar -xf qhull-2020-src-8.0.2.tgz
+
+  export CFLAGS='-O3 -fPIC'
+  export CXXFLAGS='-O3 -fPIC'
+
+  cd qhull-2020.2/build
+
+  cmake \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DCMAKE_INSTALL_PREFIX=$PREFIX \
+    -DCMAKE_VERBOSE_MAKEFILE=ON \
+    -DCMAKE_SKIP_RPATH=ON \
+    ..
+
+  make -j $NPROC
+  make install
+
+)
+
+( if ! [ $TASK = 'ALL' -o $TASK = 'RJ' ]; then exit; fi
+
+  # orig: https://github.com/Tencent/rapidjson/archive/refs/tags/v1.1.0.tar.gz
+  BEEHIVE=https://beehive.molgen.mpg.de/badd12c511e081fec6c89c43a7027bce/rapidjson-1.1.0.tar.gz
+
+  test -e rapidjson-1.1.0.tar.gz || wget -nv $BEEHIVE
+  rm -rf rapidjson-1.1.0
+  tar -xf rapidjson-1.1.0.tar.gz
+
+  cd rapidjson-1.1.0
+
+  # # it is a header only library
+  # well, a 2016 release, and around thousand issues ...
+
+  sed -i -e 's/-Werror//' CMakeLists.txt
+  sed -i -e 's/-Werror//' example/CMakeLists.txt
+
+  # same as https://github.com/Tencent/rapidjson/commit/3b2441b8.patch
+  # Removed non-compiling assignment operator
+  sed -i -e '/^\s\s*GenericStringRef&\s\s*operator=/ d' include/rapidjson/document.h
+
+  # issue #909, include/rapidjson/prettywriter.h
+  sed -i -e '45 s/> Base;$/, writeFlags> Base;/' include/rapidjson/prettywriter.h
+
+  # issue #1718, include/rapidjson/writer.h
+  sed -i \
+    -e '262 d' -e '252 a \\n    static const size_t kDefaultLevelDepth = 32; // now unprotected' \
+    include/rapidjson/writer.h
+
+  mkdir -p build
+  cd build
+
+  cmake \
+    -DCMAKE_BUILD_TYPE=None \
+    -DCMAKE_INSTALL_PREFIX=$PREFIX \
+    -DCMAKE_VERBOSE_MAKEFILE=ON \
+    -DRAPIDJSON_HAS_STDSTRING=ON \
+    -DRAPIDJSON_BUILD_CXX11=ON \
+    -DRAPIDJSON_BUILD_DOC=OFF \
+    -DRAPIDJSON_ENABLE_INSTRUMENTATION_OPT=OFF \
+    ..
+
+  make -j $NPROC
+  make install
+
+)
+
+( if ! [ $TASK = 'ALL' -o $TASK = 'GM' ]; then exit; fi
+  # GraphicsMagick: an ImageMagick fork
+
+  # orig: https://sourceforge.net/projects/graphicsmagick/files/graphicsmagick/1.3.45/GraphicsMagick-1.3.45.tar.xz
+  BEEHIVE=https://beehive.molgen.mpg.de/5eb76e9af7b887a8828fce11aa1e2f1c/GraphicsMagick-1.3.45.tar.xz
+
+  test -e GraphicsMagick-1.3.45.tar.xz || wget -nv $BEEHIVE
+  test -d GraphicsMagick-1.3.45 || tar -xf GraphicsMagick-1.3.45.tar.xz
+
+  mkdir -p GraphicsMagick-1.3.45-build/build
+  cd GraphicsMagick-1.3.45-build/build
+
+  ../../GraphicsMagick-1.3.45/configure \
+    --prefix=$PREFIX \
+    --enable-shared \
+    --with-modules \
+    --with-magick_plus_plus \
+    --with-threads
+
+  make -j $NPROC
+  make install
+
+)
+
+( if ! [ $TASK = 'ALL' -o $TASK = 'GL2' ]; then exit; fi
+
+  # orig: https://geuz.org/gl2ps/src/gl2ps-1.4.2.tgz
+  BEEHIVE=https://beehive.molgen.mpg.de/0606554d833f4fd9f09eab48a374c785/gl2ps-1.4.2.tgz
+
+  test -e gl2ps-1.4.2.tgz || wget -nv $BEEHIVE
+  test -d gl2ps-1.4.2 || tar -xf gl2ps-1.4.2.tgz
+  cd gl2ps-1.4.2
+
+  mkdir -p build
+  cd build
+
+  export FORCE_SOURCE_DATE=1 # make pdftex adhere to SOURCE_DATE_EPOCH
+  cmake \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DCMAKE_INSTALL_PREFIX=$PREFIX \
+    -DCMAKE_VERBOSE_MAKEFILE=ON \
+    -DCMAKE_EXE_LINKER_FLAGS=-lm \
+    ..
+
+  make -j $NPROC
+  make install
+
+)
+
+
+#    ------------------------ Blas is indeed not optional
+( if ! [ $TASK = 'ALL' -o $TASK = 'BLAS' ]; then exit; fi
+
+  # orig: https://github.com/OpenMathLib/OpenBLAS/releases/download/v0.3.30/OpenBLAS-0.3.30.tar.gz
+  BEEHIVE=https://beehive.molgen.mpg.de/8db3d57f4d4485c6ae3f21ea465660e7/OpenBLAS-0.3.30.tar.gz
+
+  BLASVER=0.3.30
+
+  test -e OpenBLAS-0.3.30.tar.gz || wget -nv $BEEHIVE
+  test -d OpenBLAS-0.3.30 || tar -xf OpenBLAS-0.3.30.tar.gz
+  cd OpenBLAS-0.3.30
+
+  # only use all CPUs when told to do so (OPENBLAS_DEFAULT_NUM_THREADS, OPENBLAS_NUM_THREADS, GOTO_NUM_THREADS)
+  sed -i \
+      -e '/^\s\s*else blas_num_threads = MAX_CPU_NUMBER;/ s/MAX_CPU_NUMBER/1/' \
+      ./driver/others/memory{,_qalloc}.c
+
+  COMMONFLAGS='-O2 -fPIC'
+
+  CFLAGS=$COMMONFLAGS \
+  ASMFLAGS=$COMMONFLAGS \
+  FFLAGS=${COMMONFLAGS/ -Wformat -Werror=format-security/} \
+  FC=gfortran \
+  cmake \
+    -B build \
+    -DCMAKE_VERBOSE_MAKEFILE=ON \
+    -DCMAKE_INSTALL_PREFIX=$PREFIX \
+    -DBUILD_RELAPACK=ON \
+    -DBUILD_SHARED_LIBS=ON \
+    -DBUILD_STATIC_LIBS=ON \
+    -DBUILD_TESTING=OFF \
+    -DNO_AFFINITY=ON \
+    -DUSE_OPENMP=OFF \
+    -DNO_WARMUP=1 \
+    -DTARGET=CORE2 \
+    -DNUM_THREADS=256 \
+    -DDYNAMIC_ARCH=ON
+
+  cmake --build build
+
+  srcdir=$(pwd)
+
+  # check
+  cd "$srcdir"/build
+  ctest
+
+  cd "$srcdir"
+  cmake --install build
+
+)
+
+( if ! [ $TASK = 'ALL' -o $TASK = 'ARPNG' ]; then exit; fi
+  # orig: https://github.com/opencollab/arpack-ng/archive/refs/tags/3.9.1.tar.gz
+  BEEHIVE=https://beehive.molgen.mpg.de/8f66485ae9d7e676b42aeead2bf5757e/arpack-ng-3.9.1.tar.gz
+  # https://slackbuilds.org/repository/15.0/academic/arpack-ng/
+  # postponed for the next build
+)
+
+( if ! [ $TASK = 'ALL' -o $TASK = 'QR' ]; then exit; fi
+
+  # orig: https://github.com/mpimd-csc/qrupdate-ng/archive/refs/tags/v1.1.5.tar.gz
+  BEEHIVE=https://beehive.molgen.mpg.de/c5c61b8d6401508feefd56efed0f6a5a/qrupdate-ng-1.1.5.tar.gz
+
+  test -e qrupdate-ng-1.1.5.tar.gz || wget -nv $BEEHIVE
+  test -d qrupdate-ng-1.1.5 || tar -xf qrupdate-ng-1.1.5.tar.gz
+  cd qrupdate-ng-1.1.5
+
+  mkdir -p build
+  cd build
+
+  cmake \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DCMAKE_INSTALL_PREFIX=$PREFIX \
+    -DCMAKE_VERBOSE_MAKEFILE=ON \
+    -DCMAKE_PREFIX_PATH=$PREFIX \
+    ..
+
+  make -j $NPROC
+  make install
+
+)
+
+( if ! [ $TASK = 'ALL' -o $TASK = 'SSP' ]; then exit; fi
+
+  # orig: https://github.com/DrTimothyAldenDavis/SuiteSparse/archive/refs/tags/v7.10.3.tar.gz
+  BEEHIVE=https://beehive.molgen.mpg.de/d824ca42257575397d384bbbf99cf10e/SuiteSparse-7.10.3.tar.gz
+
+  test -e SuiteSparse-7.10.3.tar.gz || wget -nv $BEEHIVE
+  test -d SuiteSparse-7.10.3 || tar -xf SuiteSparse-7.10.3.tar.gz
+  cd SuiteSparse-7.10.3
+
+  mkdir -p build
+  cd build
+
+  cmake \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DCMAKE_INSTALL_PREFIX=$PREFIX \
+    -DCMAKE_VERBOSE_MAKEFILE=ON \
+    -DCMAKE_PREFIX_PATH=$PREFIX \
+    ..
+
+  make -j $NPROC
+  make install
+
+)
+
+( if ! [ $TASK = 'ALL' -o $TASK = 'SD' ]; then exit; fi
+
+  # orig: https://github.com/LLNL/sundials/releases/download/v7.3.0/sundials-7.3.0.tar.gz
+  BEEHIVE=https://beehive.molgen.mpg.de/2e301e1ed3356b80145d7c142d467ec9/sundials-7.3.0.tar.gz
+
+  test -e sundials-7.3.0.tar.gz || wget -nv $BEEHIVE
+  test -d sundials-7.3.0 || tar -xf sundials-7.3.0.tar.gz
+  cd sundials-7.3.0
+
+  mkdir -p build
+  cd build
+
+  cmake \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DCMAKE_INSTALL_PREFIX=$PREFIX \
+    -DCMAKE_VERBOSE_MAKEFILE=ON \
+    -DCMAKE_PREFIX_PATH=$PREFIX \
+    -DENABLE_KLU=ON \
+    -DEXAMPLES_ENABLE_C=OFF \
+    -DEXAMPLES_ENABLE_CXX=OFF \
+    -DEXAMPLES_INSTALL=OFF \
+    ..
+
+  make -j $NPROC
+  make install
+
+)
+
+# ------------------------------------------------------------------ Octave
+
+( if ! [ $TASK = 'ALL' -o $TASK = 'OCT' ]; then exit; fi
+
+  # orig: https://ftp.halifax.rwth-aachen.de/gnu/octave/octave-10.2.0.tar.gz
+  BEEHIVE=https://beehive.molgen.mpg.de/ff45483bef60b83f5b95cc5dd477e206/octave-10.2.0.tar.gz
+
+  test -e octave-10.2.0.tar.gz || wget -nv $BEEHIVE
+  test -d octave-10.2.0 || tar -xf octave-10.2.0.tar.gz
+
+  mkdir -p octave-10.2.0-build/build
+  cd octave-10.2.0-build/build
+
+  LDFLAGS=${LDFLAGS:-}
+  # lsundials_core -> Workaround build failure with sundials 7
+  # LDFLAGS+=" -lsundials_core" \
+
+  COMMONBUILDFLAGS='-O2 -fPIC -I $PREFIX/include'
+
+  OPENBLASLIB="$PREFIX/lib/libopenblas.so.0.3"
+
+  LDFLAGS+=" -L$PREFIX/lib" \
+  ../../octave-10.2.0/configure V=1 \
+    --prefix=$PREFIX \
+    --with-openssl=auto \
+    --with-blas=$OPENBLASLIB \
+    --with-lapack=$OPENBLASLIB \
+    CFLAGS="$COMMONBUILDFLAGS" \
+    CXXFLAGS="$COMMONBUILDFLAGS" \
+    FFLAGS="$COMMONBUILDFLAGS" \
+    FCFLAGS="$COMMONBUILDFLAGS"
+
+  sed -i 's/ -shared / -Wl,-O1,--as-needed\0/g' libtool # Fix overlinking
+
+  make -j $NPROC V=1
+  make install
+
+)
+
+( if ! [ $TASK = 'ALL' -o $TASK = 'PKG' ]; then exit; fi
+  # also install some popular packages
+  # --> https://gnu-octave.github.io/packages/
+
+  mkdir -p packages_global
+  cd packages_global
+
+  #  arduino: would be a nice to have, but probably the hardware libs are missing, so skip them for now
+  #  https://downloads.sourceforge.net/project/octave/Octave%20Forge%20Packages/Individual%20Package%20Releases/instrument-control-0.9.4.tar.gz \
+  #  https://github.com/gnu-octave/octave-arduino/releases/download/release-0.12.1/arduino-0.12.1.tar.gz ; do
+
+
+  #  Thu Jul  3 15:20:50 CEST 2025 - new failures
+  #  https://github.com/ltfat/ltfat/releases/download/v2.6.0/ltfat-2.6.0-of.tar.gz \
+  #  https://github.com/PREDICT-EPFL/piqp/releases/download/v0.4.1/piqp-octave.tar.gz \
+  #  https://github.com/shsajjadi/OctaveCoder/releases/download/coder-1.9.2/coder-1.9.2.tar.gz \
+
+  # cache em ...
+  for PKG in \
+      https://github.com/gnu-octave/pkg-control/releases/download/control-4.1.1/control-4.1.1.tar.gz \
+      https://github.com/gnu-octave/pkg-octave-doc/archive/refs/tags/release-0.5.5.tar.gz \
+      https://downloads.sourceforge.net/project/octave/Octave%20Forge%20Packages/Individual%20Package%20Releases/symbolic-3.2.1.tar.gz \
+      https://github.com/ONSAS/ONSAS.m/archive/refs/tags/v0.2.5.tar.gz \
+      https://github.com/stk-kriging/stk/releases/download/2.8.1/stk-2.8.1-octpkg.tar.gz \
+      https://github.com/apjanke/octave-tablicious/releases/download/v0.4.4/tablicious-0.4.4.tar.gz \
+      https://github.com/gnu-octave/statistics/archive/refs/tags/release-1.7.3.tar.gz \
+      https://sourceforge.net/projects/geographiclib/files/distrib-Octave/geographiclib-octave-2.3.3.tar.gz \
+      https://github.com/gnu-octave/statistics-resampling/archive/refs/tags/5.6.0.tar.gz \
+      https://github.com/wgreene310/pde1dm/archive/v1.3.tar.gz \
+      https://github.com/gapost/hdf5oct/archive/refs/tags/1.0.0.tar.gz ; do
+    BN=${PKG##*/}
+    if ! [ -e "$BN" ]; then wget -nv "$PKG"; fi
+    TARS+=($BN)
+  done
+
+  # install
+  for TAR in ${TARS[*]}; do
+    echo "# ====== installing $TAR"
+    echo pkg install -verbose -global $TAR | octave --no-gui
+    echo "# ===================================================== DONE"
+  done
+
+)
+
+( if ! [ $TASK = 'ALL' -o $TASK = 'LIBCHK' ]; then exit; fi
+  # do some bookkeeping on the libs, use readelf, ldd
+  cd $PREFIX
+  # find -type f -name 'lib*.so.*' | grep -v /build
+  for SO in $(find lib -type f -name 'lib*.so.*'); do 
+    echo "# --- $SO ---"
+    readelf -d $SO | grep -i -e needed -e soname -e rpath
+    echo ''
+    ldd $SO | cut -f2-
+    echo ''
+  done 2>&1 | tee $BUILDDIR/lib_report
+  echo "# created $BUILDDIR/lib_report"
+)
+
+# -------------------------------------------------------------------- Done