pcre2-sys 0.2.9

Low level bindings to PCRE2.
Documentation 
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#!/bin/bash

: "${PCRE2SYS_HEADER:=/usr/include/pcre2.h}"
: "${PCRE2SYS_BINDINGS:=./src/bindings.rs}"

if ! command -V bindgen > /dev/null 2>&1; then
    echo "bindgen must be installed" >&2
    echo "to install: cargo install bindgen" >&2
    exit 1
fi
if ! [ -f "$PCRE2SYS_HEADER" ]; then
    echo "PCRE2 header file at $PCRE2SYS_HEADER does not exist" >&2
    echo "Use the PCRE2SYS_HEADER environment variable to override path" >&2
    exit 1
fi

bindgen \
    "$PCRE2SYS_HEADER" \
    --ctypes-prefix '::libc' \
    --allowlist-function '^pcre2_.*' \
    --allowlist-type '^pcre2_.*' \
    --allowlist-var '^PCRE2_.*' \
    --blocklist-function '^.*_callout_.*' \
    --blocklist-type '^.*_callout_.*' \
    -- -DPCRE2_CODE_UNIT_WIDTH=8 > "$PCRE2SYS_BINDINGS"