#!/bin/sh
#***************************************************************************
#                                  _   _ ____  _
#  Project                     ___| | | |  _ \| |
#                             / __| | | | |_) | |
#                            | (__| |_| |  _ <| |___
#                             \___|\___/|_| \_\_____|
#
# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at https://curl.se/docs/copyright.html.
#
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
# copies of the Software, and permit persons to whom the Software is
# furnished to do so, under the terms of the COPYING file.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
# SPDX-License-Identifier: curl
#
###########################################################################

# shellcheck disable=SC2006

prefix='/opt/libcurl'
# Used in 'libdir'
# shellcheck disable=SC2034
exec_prefix="${prefix}"
# shellcheck disable=SC2034
includedir="${prefix}/include"
cppflag_curl_staticlib='-DCURL_STATICLIB'

usage()
{
  cat <<EOF
Usage: curl-config [OPTION]

Available values for OPTION include:

  --built-shared says 'yes' if libcurl was built shared
  --ca                  CA bundle install path
  --cc                  compiler
  --cflags              preprocessor and compiler flags
  --checkfor [version]  check for (lib)curl of the specified version
  --configure           the arguments given to configure when building curl
  --features            newline separated list of enabled features
  --help                display this help and exit
  --libs                library linking information
  --prefix              curl install prefix
  --protocols           newline separated list of enabled protocols
  --ssl-backends        output the SSL backends libcurl was built to support
  --static-libs         static libcurl library linking information
  --version             output version information
  --vernum              output version as a hexadecimal number
EOF

  exit "$1"
}

if test "$#" -eq 0; then
  usage 1
fi

while test "$#" -gt 0; do
  case "$1" in
  --built-shared)
    echo 'no'
    ;;

  --ca)
    echo '/etc/ssl/certs/ca-certificates.crt'
    ;;

  --cc)
    echo 'clang'
    ;;

  --prefix)
    echo "$prefix"
    ;;

  --feature|--features)
    for feature in alt-svc AsynchDNS HSTS HTTPS-proxy IPv6 Largefile libz NTLM SSL threadsafe TLS-SRP UnixSockets zstd ''; do
      test -n "$feature" && echo "$feature"
    done
    ;;

  --protocols)
    # shellcheck disable=SC2043
    for protocol in DICT FILE FTP FTPS GOPHER GOPHERS HTTP HTTPS IMAP IMAPS IPFS IPNS MQTT POP3 POP3S RTSP SCP SFTP SMB SMBS SMTP SMTPS TELNET TFTP WS WSS; do
      echo "$protocol"
    done
    ;;

  --version)
    echo 'libcurl 8.11.1'
    exit 0
    ;;

  --checkfor)
    checkfor="$2"
    cmajor=`echo "$checkfor" | cut -d. -f1`
    cminor=`echo "$checkfor" | cut -d. -f2`
    # when extracting the patch part we strip off everything after a
    # dash as that's used for things like version 1.2.3-pre1
    cpatch=`echo "$checkfor" | cut -d. -f3 | cut -d- -f1`

    vmajor=`echo '8.11.1' | cut -d. -f1`
    vminor=`echo '8.11.1' | cut -d. -f2`
    # when extracting the patch part we strip off everything after a
    # dash as that's used for things like version 1.2.3-pre1
    vpatch=`echo '8.11.1' | cut -d. -f3 | cut -d- -f1`

    if test "$vmajor" -gt "$cmajor"; then
      exit 0
    fi
    if test "$vmajor" -eq "$cmajor"; then
      if test "$vminor" -gt "$cminor"; then
        exit 0
      fi
      if test "$vminor" -eq "$cminor"; then
        if test "$cpatch" -le "$vpatch"; then
          exit 0
        fi
      fi
    fi

    echo "requested version $checkfor is newer than existing 8.11.1"
    exit 1
    ;;

  --vernum)
    echo '080b01'
    exit 0
    ;;

  --help)
    usage 0
    ;;

  --cflags)
    if test "X$cppflag_curl_staticlib" = 'X-DCURL_STATICLIB'; then
      CPPFLAG_CURL_STATICLIB='-DCURL_STATICLIB '
    else
      CPPFLAG_CURL_STATICLIB=''
    fi
    if test "X${prefix}/include" = 'X/usr/include'; then
      echo "${CPPFLAG_CURL_STATICLIB}"
    else
      echo "${CPPFLAG_CURL_STATICLIB}-I${prefix}/include"
    fi
    ;;

  --libs)
    if test "X${exec_prefix}/lib" != 'X/usr/lib' -a "X${exec_prefix}/lib" != 'X/usr/lib64'; then
      CURLLIBDIR="-L${exec_prefix}/lib "
    else
      CURLLIBDIR=''
    fi
    if test 'Xno' = 'Xno'; then
      echo "${CURLLIBDIR}-lcurl -lssh2 -lssh2 -lgpg-error -lssl -ldl -lcrypto -ldl -lz -lssl -lcrypto -lssl -ldl -pthread -lcrypto -ldl -pthread -lzstd -lz"
    else
      echo "${CURLLIBDIR}-lcurl"
    fi
    ;;

  --ssl-backends)
    echo 'OpenSSL v3+'
    ;;

  --static-libs)
    if test 'Xyes' != 'Xno'; then
      echo "${exec_prefix}/lib/libcurl.a  -lssh2 -lssh2 -lgpg-error -lssl -ldl -lcrypto -ldl -lz -lssl -lcrypto -lssl -ldl -pthread -lcrypto -ldl -pthread -lzstd -lz"
    else
      echo 'curl was built with static libraries disabled' >&2
      exit 1
    fi
    ;;

  --configure)
    echo " '--prefix=/opt/libcurl' '--disable-shared' '--enable-static' '--disable-ldap' '--enable-ipv6' '--enable-unix-sockets' '--with-ssl' '--with-libssh2' '--disable-docs' '--disable-manual' '--without-libpsl' '--without-brotli' 'CC=clang' 'LDFLAGS=-static'"
    ;;

  *)
    echo "unknown option: $1"
    usage 1
    ;;
  esac
  shift
done

exit 0
