SRC_FETCH_PATH="https://www.openssl.org/source/openssl-1.1.1.tar.gz"
SRC_FETCH_METHOD="http"

# The first 2 patches reduce the per-session memory usage from 72 to 38 kB
# during handshake (measured). The next two are minor fixes. The next ones
# if any (#100 and above) are fixes picked from the stable branch. The last
# ones fix parallel build.
PATCH_LIST="patch-add-syscall-getrandom.diff"
#0001-ssl-don-t-allocate-the-write-buffer-during-the-hands.patch
#0002-ssl-release-unused-read-buffer-on-incomplete-client-.patch
#0003-rand-fix-null-pointer-dereference-caused-by-unchecke.patch
#0004-ssl-change-default-cipher-string-to-AES-RC4-ALL-aNUL.patch

#openssl-1.0.2a-parallel-install-dirs.patch
#openssl-1.0.2a-parallel-obj-headers.patch
#openssl-1.0.2a-parallel-symlinking.patch
#openssl-1.0.2d-parallel-build.patch

# not ported yet :
#openssl-1.0.1c-flx2.2-cryptodev-1.5.diff
#small-records-1.0.1l.patch

function do_config {
        # To find these options, try "./Configure LIST" then "./Configure TABLE".
	# The colons are just delimiters and all words are allowed on the line.
	# Please read the Configure script in openssl to fin the relevant keywords,
	# as most of them are already implied by the OS target definition and the
	# default compiler !

	if [ "$FLXARCH" == "x86_64" ]; then
		os="linux-x86_64"
		opt=( $GCC_ARCH_CURRENT $GCC_CPU_CURRENT $GCC_OPT_FASTEST )
	elif [ "$FLX_ARCH_SMALL" == "i386" ]; then
		os="linux-elf"
		opt=( $GCC_ARCH_CURRENT $GCC_CPU_CURRENT $GCC_OPT_FASTEST )
	elif [ -n "$FLXARCH" -a -z "${FLXARCH##aarch64*}" ]; then
		os="linux-aarch64"
	elif [ -n "$FLXARCH" -a -z "${FLXARCH##armv7*}" ]; then
		os="linux-armv4"
		opt=( $GCC_ARCH_CURRENT $GCC_CPU_CURRENT $GCC_OPT_FASTEST -march=armv7-a -D__ARM_MAX_ARCH__=7 )
	elif [ -n "$FLXARCH" -a -z "${FLXARCH##arm*}" ]; then
		os="linux-armv4"
		opt=( $GCC_ARCH_CURRENT $GCC_CPU_CURRENT $GCC_OPT_FASTEST -march=armv5te -D__ARM_MAX_ARCH__=5 )
	elif [ "$FLXARCH" == "sparc" ]; then
		os="linux-sparcv9"
		opt=""
	elif [ "$FLXARCH" == "sparc64" ]; then
		os="linux64-sparcv9"
		opt=""
	elif [ -n "$FLX_GNU_ARCH" -a "$FLX_BITS" == "64" ]; then
		os="linux-generic64"
		opt=""
	elif [ -n "$FLX_GNU_ARCH" -a "$FLX_BITS" == "32" ]; then
		os="linux-generic32"
		opt=""
	else
		echo "Error: cannot find a suitable OS configuration or this platform."
		echo "FLXARCH=$FLXARCH is not handled by this script."
		echo "Please check instructions in do_config() using 'pkg cat'."
		exit 1
	fi

	# Do not enable cryptodev digests (-DUSE_CRYPTODEV_DIGESTS), as indicated in
	# the README, they significantly lower performance due to the high latency of
	# the ioctl required for cryptodev. Only enable HAVE_CRYPTODEV.

	# disable this if the crypto patch is not applied
	#opt=( "${opt[@]}" -DHAVE_CRYPTODEV )

	CC="$CC" ./Configure --prefix=/usr --openssldir=/usr/share/openssl --with-rand-seed=getrandom enable-tls1_3 threads shared "${opt[@]}" "$os"
}

function do_compile_only {
   local MK=$FLXMAKE

#   if grep -q ^install_dirs Makefile; then
       # parallel build supported
#       MK=$FLXPMAKE
#   fi

   $MK CC=$CC  AR='${FLXCROSS}ar' RANLIB='${FLXCROSS}ranlib' || exit $?
#   $MK build-shared CC=$CC AR='${FLXCROSS}ar r' RANLIB='${FLXCROSS}ranlib' || exit $?
#  $MK -C apps CC=$CC DLIBCRYPTO=../libcrypto.so AR='${FLXCROSS}ar r' RANLIB='${FLXCROSS}ranlib' || exit $?
}

function do_prepack {
    $FLXMAKE install_sw LIBDIR=/lib INSTALL_PREFIX=$ROOTDIR DESTDIR=$ROOTDIR || exit $?
    set_default_perm $ROOTDIR
}