Script to amalgamate GGML into a single-file (source + header) library.

amalgamate.sh

#!/bin/sh
# License: 0BSD, Copyright (C) 2023 Ronsor Labs.
# Usage: ./amalgamate.sh path/to/ggml/repo

GGML_SRC_H='ggml-impl.h ggml-backend-impl.h ggml-quants.h'
GGML_SRC_C='ggml.c ggml-backend.c ggml-quants.c ggml-alloc.c'
GGML_INC_H='ggml.h ggml-alloc.h ggml-backend.h'

ONE_SRC=ggml_one.c
ONE_HDR=ggml_one.h

COUNTER=0

cat_without_include() {
    cat "$1" | grep -E -v '^#include\s+"' | grep -E -v '^#pragma once' | sed "s/ggml_are_same_layout/ggml_are_same_layout_$COUNTER/g"

    COUNTER=$((COUNTER + 1))
}

process_src() {
    printf '#include "%s"\n' "$ONE_HDR"

    for x in $GGML_SRC_H; do
        cat_without_include "$1/src/$x"
    done

    for x in $GGML_SRC_C; do
        cat_without_include "$1/src/$x"
    done
}

process_inc() {
    for x in $GGML_INC_H; do
        cat_without_include "$1/include/ggml/$x"
    done
}

process_src "$1" > $ONE_SRC
process_inc "$1" > $ONE_HDR