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2026-05-05 01:38:51 -05:00

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#!/usr/bin/env bash
# install.sh — Install the El SDK from the latest Gitea release.
#
# Usage:
# bash install.sh
# EL_VERSION=v1.0.0 bash install.sh # pin a specific release tag
# EL_PREFIX=/opt/el bash install.sh # custom install prefix
#
# Environment variables:
# EL_VERSION Release tag to download (default: latest)
# EL_PREFIX Install prefix (default: /usr/local)
set -euo pipefail
REPO_BASE="https://git.neuralplatform.ai/neuron-technologies/el"
VERSION="${EL_VERSION:-latest}"
PREFIX="${EL_PREFIX:-/usr/local}"
BIN_DIR="${PREFIX}/bin"
LIB_DIR="${PREFIX}/lib/el"
RELEASE_BASE="${REPO_BASE}/releases/download/${VERSION}"
echo "==> Installing El SDK ${VERSION}"
echo " prefix : ${PREFIX}"
echo " bin : ${BIN_DIR}"
echo " lib : ${LIB_DIR}"
echo
# Create directories
mkdir -p "${BIN_DIR}" "${LIB_DIR}"
# Download helper
download() {
local url="$1"
local dest="$2"
echo " Downloading $(basename "${dest}")..."
if command -v curl >/dev/null 2>&1; then
curl -fsSL "${url}" -o "${dest}"
elif command -v wget >/dev/null 2>&1; then
wget -q "${url}" -O "${dest}"
else
echo "Error: neither curl nor wget found" >&2
exit 1
fi
}
# Download assets
TMP_DIR="$(mktemp -d)"
trap 'rm -rf "${TMP_DIR}"' EXIT
download "${RELEASE_BASE}/elc" "${TMP_DIR}/elc"
download "${RELEASE_BASE}/el_runtime.c" "${TMP_DIR}/el_runtime.c"
download "${RELEASE_BASE}/el_runtime.h" "${TMP_DIR}/el_runtime.h"
# Install
install -m 755 "${TMP_DIR}/elc" "${BIN_DIR}/elc"
install -m 644 "${TMP_DIR}/el_runtime.c" "${LIB_DIR}/el_runtime.c"
install -m 644 "${TMP_DIR}/el_runtime.h" "${LIB_DIR}/el_runtime.h"
echo
echo "==> El SDK installed successfully"
echo
echo " elc binary : ${BIN_DIR}/elc"
echo " runtime : ${LIB_DIR}/el_runtime.c"
echo " header : ${LIB_DIR}/el_runtime.h"
echo
echo "Add the following to your Makefile to build El programs:"
echo
echo " EL_LIB := ${LIB_DIR}"
echo " ELC := elc"
echo " CC := cc"
echo " CFLAGS := -std=c11 -O2 -I\$(EL_LIB)"
echo
echo " dist/myapp.c: src/myapp.el"
echo " \t\$(ELC) src/myapp.el > dist/myapp.c"
echo
echo " dist/myapp: dist/myapp.c"
echo " \t\$(CC) \$(CFLAGS) -o dist/myapp dist/myapp.c \$(EL_LIB)/el_runtime.c -lcurl -lpthread"
echo