Initial commit

1 files changed, 139 insertions, 0 deletions

diff --git a/build_python.sh b/build_python.sh
new file mode 100755
index 0000000..4f302bf
--- /dev/null
+++ b/build_python.sh
@@ -0,0 +1,139 @@
+#!/bin/bash
+#https://www.python.org/ftp/python/3.7.0/Python-3.7.0.tar.gz
+
+set -e
+set -x
+
+python_version="$1"
+python_basever="${python_version%.*}"
+
+if [[ ! ${python_version} || ! ${python_basever} ]]; then
+    echo "Need a python version..."
+    exit 1
+fi
+
+python_base_url="https://www.python.org/ftp/python"
+python_tarball="Python-${python_version}.tgz"
+python_source="${python_tarball%%.tgz}"
+python_url="${python_base_url}/${python_version}/${python_tarball}"
+prefix="/opt/${python_basever}"
+openssl_root="/opt/openssl"
+
+dep_table=(
+    "bzlib.h libbz2.so"
+    "expat.h libexpat.so"
+    "ffi.h libffi.so"
+    "gdbm.h libgdbm.so"
+    "lzma.h liblzma.so"
+    "mpdecimal.h libmpdec.so"
+    "ncurses.h libncurses.so"
+    "nislib.h libnsl.so"
+    "readline.h libreadline.so"
+    "ssl.h libssl.so"
+    "sqlite3.h libsqlite3.so"
+    "tcl.h libtcl.so"
+    "tk.h libtk.so"
+    "zlib.h libz.so"
+)
+
+
+function depcheck()
+{
+    dep_count=0
+    dep_total="${#dep_table[@]}"
+
+    set +x
+    for _record in "${dep_table[@]}"
+    do
+        unset record
+        read -ra record <<< $_record
+
+        header=$(find /usr/include $openssl_root /usr/lib{,64} -regex ".*\/${record[0]}" 2>/dev/null | head -n 1 || true)
+        if [[ -n $header ]]; then
+            dep_count=$((dep_count+1))
+        else
+            echo "Missing header: ${record[0]}"
+        fi
+        lib=$(find $openssl_root /usr/lib{,64} -regex ".*\/${record[1]}" 2>/dev/null | head -n 1 || true)
+        if [[ -n "$lib" ]]; then
+            dep_count=$((dep_count+1))
+        else
+            echo "Missing library: ${record[1]}"
+        fi
+    done
+    set -x
+
+    if [[ ${dep_count} != $(( (dep_total * 2) )) ]]; then
+        echo 'Missing dependencies...'
+        exit 1
+    fi
+}
+
+
+function pre()
+{
+    export PATH=$openssl_root/bin:$PATH
+    export PKG_CONFIG_PATH=$openssl_root/lib/pkgconfig:$PKG_CONFIG_PATH
+    export CFLAGS="-I$openssl_root/include"
+    export LDFLAGS="-L$openssl_root/lib -Wl,-rpath=$prefix/lib:$openssl_root/lib"
+
+    depcheck
+
+    if [[ ! -f ${python_tarball} ]]; then
+        curl -LO "${python_url}"
+    fi
+
+    if [[ -d ${python_source} ]]; then
+        rm -rf "${python_source}"
+    fi
+
+    tar xf "${python_tarball}"
+}
+
+
+function build()
+{
+    pre
+    pushd "${python_source}"
+        ./configure \
+            --prefix="$prefix" \
+            --enable-ipv6 \
+            --enable-loadable-sqlite-extensions \
+            --enable-profiling \
+            --enable-shared \
+            --with-dbmliborder=gdbm:ndbm \
+            --with-openssl="$openssl_root" \
+            --with-pymalloc \
+            --with-system-expat \
+            --with-system-ffi \
+            --with-threads
+        make -j4
+        make install
+    popd
+    post
+}
+
+
+function post()
+{
+    export PATH=$prefix/bin:$PATH
+    ln -sf python3                   "${prefix}"/bin/python
+    ln -sf python3-config            "${prefix}"/bin/python-config
+    ln -sf idle3                     "${prefix}"/bin/idle
+    ln -sf pydoc3                    "${prefix}"/bin/pydoc
+    ln -sf pip3                      "${prefix}"/bin/pip
+    ln -sf python${python_basever}.1 "${prefix}"/share/man/man1/python.1
+
+    $prefix/bin/pip install --upgrade pip
+    $prefix/bin/pip install --upgrade setuptools
+    $prefix/bin/pip install wheel
+
+    echo '---'
+    python --version
+    python -c "import sys; from pprint import pprint; pprint(sys.path)"
+    echo "All done."
+}
+
+
+# Main
+build