# Copyright (C) Igor Sysoev
# Copyright (C) NGINX, Inc.


nxt_found=no
NXT_HAVE_PCRE2=NO

if [ $NXT_TRY_PCRE2 = YES ]; then
    if /bin/sh -c "(pcre2-config --version)" >> $NXT_AUTOCONF_ERR 2>&1; then

        NXT_PCRE_CFLAGS=`pcre2-config --cflags`
        NXT_PCRE_LIB=`pcre2-config --libs8`

        nxt_feature="PCRE2 library"
        nxt_feature_name=NXT_HAVE_PCRE2
        nxt_feature_run=no
        nxt_feature_incs="-DPCRE2_CODE_UNIT_WIDTH=8 $NXT_PCRE_CFLAGS"
        nxt_feature_libs=$NXT_PCRE_LIB
        nxt_feature_test="#include <pcre2.h>

                          int main(void) {
                              pcre2_code  *re;

                              re = pcre2_compile((PCRE2_SPTR)\"\",
                                                 PCRE2_ZERO_TERMINATED, 0,
                                                 NULL, NULL, NULL);
                              return (re == NULL);
                          }"

        . auto/feature

        if [ $nxt_found = yes ]; then
            NXT_HAVE_PCRE2=YES
            $echo " + PCRE2 version: `pcre2-config --version`"
        fi
    fi
fi

if [ $nxt_found = no ]; then
    if /bin/sh -c "(pcre-config --version)" >> $NXT_AUTOCONF_ERR 2>&1; then

        NXT_PCRE_CFLAGS=`pcre-config --cflags`
        NXT_PCRE_LIB=`pcre-config --libs`

        nxt_feature="PCRE library"
        nxt_feature_name=NXT_HAVE_PCRE
        nxt_feature_run=no
        nxt_feature_incs=$NXT_PCRE_CFLAGS
        nxt_feature_libs=$NXT_PCRE_LIB
        nxt_feature_test="#include <pcre.h>

                          int main() {
                              pcre  *re;

                              re = pcre_compile(NULL, 0, NULL, 0, NULL);
                              if (re == NULL)
                                  return 1;
                              return 0;
                          }"
        . auto/feature

        if [ $nxt_found = yes ]; then
            $echo " + PCRE version: `pcre-config --version`"
        fi
    fi
fi

if [ $nxt_found = yes ]; then
    nxt_have=NXT_HAVE_REGEX . auto/have

else
    $echo
    $echo $0: error: no PCRE library found.
    $echo
    exit 1;
fi