configure.ac

        stdbool.h \
        arpa/tftp.h \
        sys/filio.h \
        sys/wait.h \
        setjmp.h,
dnl to do if not found
[],
dnl to do if found
[],
dnl default includes
[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_SYS_UN_H
#include <sys/un.h>
#endif
]
)

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
CURL_CHECK_VARIADIC_MACROS
AC_TYPE_SIZE_T
AC_HEADER_TIME
CURL_CHECK_STRUCT_TIMEVAL
CURL_VERIFY_RUNTIMELIBS

AC_CHECK_SIZEOF(size_t)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(short)
CURL_CONFIGURE_LONG
AC_CHECK_SIZEOF(time_t)
AC_CHECK_SIZEOF(off_t)

soname_bump=no
if test x"$ac_cv_native_windows" != "xyes" &&
   test $ac_cv_sizeof_off_t -ne $curl_sizeof_curl_off_t; then
  AC_MSG_WARN([This libcurl built is probably not ABI compatible with previous])
  AC_MSG_WARN([builds! You MUST read lib/README.curl_off_t to figure it out.])
  soname_bump=yes
fi


AC_CHECK_TYPE(long long,
   [AC_DEFINE(HAVE_LONGLONG, 1,
      [Define to 1 if the compiler supports the 'long long' data type.])]
   longlong="yes"
)

if test "xyes" = "x$longlong"; then
  AC_MSG_CHECKING([if numberLL works])
  AC_COMPILE_IFELSE([
    AC_LANG_PROGRAM([[
    ]],[[
      long long val = 1000LL;
    ]])
  ],[
    AC_MSG_RESULT([yes])
    AC_DEFINE(HAVE_LL, 1, [if your compiler supports LL])
  ],[
    AC_MSG_RESULT([no])
  ])
fi


# check for ssize_t
AC_CHECK_TYPE(ssize_t, ,
   AC_DEFINE(ssize_t, int, [the signed version of size_t]))

# check for bool type
AC_CHECK_TYPE([bool],[
  AC_DEFINE(HAVE_BOOL_T, 1,
    [Define to 1 if bool is an available type.])
], ,[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_STDBOOL_H
#include <stdbool.h>
#endif
])

CURL_CONFIGURE_CURL_SOCKLEN_T

CURL_CONFIGURE_PULL_SYS_POLL

TYPE_IN_ADDR_T

TYPE_SOCKADDR_STORAGE

TYPE_SIG_ATOMIC_T

AC_TYPE_SIGNAL

CURL_CHECK_FUNC_SELECT

CURL_CHECK_FUNC_RECV
CURL_CHECK_FUNC_RECVFROM
CURL_CHECK_FUNC_SEND
CURL_CHECK_MSG_NOSIGNAL

CURL_CHECK_FUNC_ALARM
CURL_CHECK_FUNC_BASENAME
CURL_CHECK_FUNC_CLOSESOCKET
CURL_CHECK_FUNC_CLOSESOCKET_CAMEL
CURL_CHECK_FUNC_CONNECT
CURL_CHECK_FUNC_FCNTL
CURL_CHECK_FUNC_FDOPEN
CURL_CHECK_FUNC_FREEADDRINFO
CURL_CHECK_FUNC_FREEIFADDRS
CURL_CHECK_FUNC_FSETXATTR
CURL_CHECK_FUNC_FTRUNCATE
CURL_CHECK_FUNC_GETADDRINFO
CURL_CHECK_FUNC_GAI_STRERROR
CURL_CHECK_FUNC_GETHOSTBYADDR
CURL_CHECK_FUNC_GETHOSTBYADDR_R
CURL_CHECK_FUNC_GETHOSTBYNAME
CURL_CHECK_FUNC_GETHOSTBYNAME_R
CURL_CHECK_FUNC_GETHOSTNAME
CURL_CHECK_FUNC_GETIFADDRS
CURL_CHECK_FUNC_GETSERVBYPORT_R
CURL_CHECK_FUNC_GMTIME_R
CURL_CHECK_FUNC_INET_NTOA_R
CURL_CHECK_FUNC_INET_NTOP
CURL_CHECK_FUNC_INET_PTON
CURL_CHECK_FUNC_IOCTL
CURL_CHECK_FUNC_IOCTLSOCKET
CURL_CHECK_FUNC_IOCTLSOCKET_CAMEL
CURL_CHECK_FUNC_LOCALTIME_R
CURL_CHECK_FUNC_MEMRCHR
CURL_CHECK_FUNC_POLL
CURL_CHECK_FUNC_SETSOCKOPT
CURL_CHECK_FUNC_SIGACTION
CURL_CHECK_FUNC_SIGINTERRUPT
CURL_CHECK_FUNC_SIGNAL
CURL_CHECK_FUNC_SIGSETJMP
CURL_CHECK_FUNC_SOCKET
CURL_CHECK_FUNC_SOCKETPAIR
CURL_CHECK_FUNC_STRCASECMP
CURL_CHECK_FUNC_STRCASESTR
CURL_CHECK_FUNC_STRCMPI
CURL_CHECK_FUNC_STRDUP
CURL_CHECK_FUNC_STRERROR_R
CURL_CHECK_FUNC_STRICMP
CURL_CHECK_FUNC_STRLCAT
CURL_CHECK_FUNC_STRNCASECMP
CURL_CHECK_FUNC_STRNCMPI
CURL_CHECK_FUNC_STRNICMP
CURL_CHECK_FUNC_STRSTR
CURL_CHECK_FUNC_STRTOK_R
CURL_CHECK_FUNC_STRTOLL
CURL_CHECK_FUNC_WRITEV

case $host in
  *msdosdjgpp)
     ac_cv_func_pipe=no
     skipcheck_pipe=yes
     AC_MSG_NOTICE([skip check for pipe on msdosdjgpp])
    ;;
esac

AC_CHECK_FUNCS([fork \
  geteuid \
  getpass_r \
  getppid \
  getprotobyname \
  getpwuid \
  getrlimit \
  gettimeofday \
  inet_addr \
  perror \
  pipe \
  setlocale \
  setmode \
  setrlimit \
  uname \
  utime
],[
],[
  func="$ac_func"
  eval skipcheck=\$skipcheck_$func
  if test "x$skipcheck" != "xyes"; then
    AC_MSG_CHECKING([deeper for $func])
    AC_LINK_IFELSE([
      AC_LANG_PROGRAM([[
      ]],[[
        $func ();
      ]])
    ],[
      AC_MSG_RESULT([yes])
      eval "ac_cv_func_$func=yes"
      AC_DEFINE_UNQUOTED(XC_SH_TR_CPP([HAVE_$func]), [1],
        [Define to 1 if you have the $func function.])
    ],[
      AC_MSG_RESULT([but still no])
    ])
  fi
])

dnl Check if the getnameinfo function is available
dnl and get the types of five of its arguments.
CURL_CHECK_FUNC_GETNAMEINFO

if test "$ipv6" = "yes"; then
  if test "$ac_cv_func_getaddrinfo" = "yes"; then
    AC_DEFINE(ENABLE_IPV6, 1, [Define if you want to enable IPv6 support])
    IPV6_ENABLED=1
    AC_SUBST(IPV6_ENABLED)
  fi
  CURL_CHECK_NI_WITHSCOPEID
fi

CURL_CHECK_NONBLOCKING_SOCKET

dnl ************************************************************
dnl nroff tool stuff
dnl

AC_PATH_PROG( PERL, perl, ,
  $PATH:/usr/local/bin/perl:/usr/bin/:/usr/local/bin )
AC_SUBST(PERL)

AC_PATH_PROGS( NROFF, gnroff nroff, ,
  $PATH:/usr/bin/:/usr/local/bin )
AC_SUBST(NROFF)

if test -n "$NROFF"; then
  dnl only check for nroff options if an nroff command was found

  AC_MSG_CHECKING([how to use *nroff to get plain text from man pages])
  MANOPT="-man"
  mancheck=`echo foo | $NROFF $MANOPT 2>/dev/null`
  if test -z "$mancheck"; then
    MANOPT="-mandoc"
   mancheck=`echo foo | $NROFF $MANOPT 2>/dev/null`
    if test -z "$mancheck"; then
      MANOPT=""
      AC_MSG_RESULT([failed])
      AC_MSG_WARN([found no *nroff option to get plaintext from man pages])
    else
      AC_MSG_RESULT([$MANOPT])
    fi
  else
    AC_MSG_RESULT([$MANOPT])
  fi
  AC_SUBST(MANOPT)
fi

if test -z "$MANOPT"
then
  dnl if no nroff tool was found, or no option that could convert man pages
  dnl was found, then disable the built-in manual stuff
  AC_MSG_WARN([disabling built-in manual])
  USE_MANUAL="no";
fi

dnl *************************************************************************
dnl If the manual variable still is set, then we go with providing a built-in
dnl manual

if test "$USE_MANUAL" = "1"; then
  AC_DEFINE(USE_MANUAL, 1, [If you want to build curl with the built-in manual])
  curl_manual_msg="enabled"
fi

dnl set variable for use in automakefile(s)
AM_CONDITIONAL(USE_MANUAL, test x"$USE_MANUAL" = x1)

CURL_CHECK_LIB_ARES
AM_CONDITIONAL(USE_EMBEDDED_ARES, test x$embedded_ares = xyes)

if test "x$ac_cv_native_windows" != "xyes" &&
   test "x$enable_shared" = "xyes"; then
  build_libhostname=yes
else
  build_libhostname=no
fi
AM_CONDITIONAL(BUILD_LIBHOSTNAME, test x$build_libhostname = xyes)

CURL_CHECK_OPTION_THREADED_RESOLVER

if test "x$want_thres" = xyes && test "x$want_ares" = xyes; then
  AC_MSG_ERROR(
[Options --enable-threaded-resolver and --enable-ares are mutually exclusive])
fi

if test "$want_thres" = "yes"; then
  AC_CHECK_HEADER(pthread.h,
    [ AC_DEFINE(HAVE_PTHREAD_H, 1, [if you have <pthread.h>])
      save_CFLAGS="$CFLAGS"
      CFLAGS="$CFLAGS -pthread"
      AC_CHECK_LIB(pthread, pthread_create,
        [ AC_MSG_NOTICE([using POSIX threaded DNS lookup])
          AC_DEFINE(USE_THREADS_POSIX, 1, [if you want POSIX threaded DNS lookup])
          USE_THREADS_POSIX=1
          curl_res_msg="threaded"
        ],
        [ CFLAGS="$save_CFLAGS"])
  ])
fi

dnl ************************************************************
dnl disable verbose text strings
dnl
AC_MSG_CHECKING([whether to enable verbose strings])
AC_ARG_ENABLE(verbose,
AC_HELP_STRING([--enable-verbose],[Enable verbose strings])
AC_HELP_STRING([--disable-verbose],[Disable verbose strings]),
[ case "$enableval" in
  no)
       AC_MSG_RESULT(no)
       AC_DEFINE(CURL_DISABLE_VERBOSE_STRINGS, 1, [to disable verbose strings])
       curl_verbose_msg="no"
       ;;
  *)   AC_MSG_RESULT(yes)
       ;;
  esac ],
       AC_MSG_RESULT(yes)
)

dnl ************************************************************
dnl enable SSPI support
dnl
AC_MSG_CHECKING([whether to enable SSPI support (Windows native builds only)])
AC_ARG_ENABLE(sspi,
AC_HELP_STRING([--enable-sspi],[Enable SSPI])
AC_HELP_STRING([--disable-sspi],[Disable SSPI]),
[ case "$enableval" in
  yes)
       if test "$ac_cv_native_windows" = "yes"; then
         AC_MSG_RESULT(yes)
         AC_DEFINE(USE_WINDOWS_SSPI, 1, [to enable SSPI support])
         AC_SUBST(USE_WINDOWS_SSPI, [1])
         curl_sspi_msg="enabled"
       else
         AC_MSG_RESULT(no)
         AC_MSG_WARN([--enable-sspi Ignored. Only supported on native Windows builds.])
       fi
       ;;
  *)
       if test "x$WINSSL_ENABLED" = "x1"; then
         # --with-winssl implies --enable-sspi
         AC_MSG_RESULT(yes)
       else
         AC_MSG_RESULT(no)
       fi
       ;;
  esac ],
       if test "x$WINSSL_ENABLED" = "x1"; then
         # --with-winssl implies --enable-sspi
         AC_MSG_RESULT(yes)
       else
         AC_MSG_RESULT(no)
       fi
)

dnl ************************************************************
dnl disable cryptographic authentication
dnl
AC_MSG_CHECKING([whether to enable cryptographic authentication methods])
AC_ARG_ENABLE(crypto-auth,
AC_HELP_STRING([--enable-crypto-auth],[Enable cryptographic authentication])
AC_HELP_STRING([--disable-crypto-auth],[Disable cryptographic authentication]),
[ case "$enableval" in
  no)
       AC_MSG_RESULT(no)
       AC_DEFINE(CURL_DISABLE_CRYPTO_AUTH, 1, [to disable cryptographic authentication])
       ;;
  *)   AC_MSG_RESULT(yes)
       ;;
  esac ],
       AC_MSG_RESULT(yes)
)

CURL_CHECK_OPTION_NTLM_WB

CURL_CHECK_NTLM_WB

dnl ************************************************************
dnl disable TLS-SRP authentication
dnl
AC_MSG_CHECKING([whether to enable TLS-SRP authentication])
AC_ARG_ENABLE(tls-srp,
AC_HELP_STRING([--enable-tls-srp],[Enable TLS-SRP authentication])
AC_HELP_STRING([--disable-tls-srp],[Disable TLS-SRP authentication]),
[ case "$enableval" in
  no)
       AC_MSG_RESULT(no)
       AC_DEFINE(CURL_DISABLE_TLS_SRP, 1, [to disable TLS-SRP authentication])
       want_tls_srp=no
       ;;
  *)   AC_MSG_RESULT(yes)
       want_tls_srp=yes
       ;;
  esac ],
       AC_MSG_RESULT(yes)
       want_tls_srp=yes
)

if test "$want_tls_srp" = "yes" && ( test "x$HAVE_GNUTLS_SRP" = "x1" || test "x$HAVE_SSLEAY_SRP" = "x1") ; then
   AC_DEFINE(USE_TLS_SRP, 1, [Use TLS-SRP authentication])
   USE_TLS_SRP=1
   curl_tls_srp_msg="enabled"
fi

dnl ************************************************************
dnl disable cookies support
dnl
AC_MSG_CHECKING([whether to enable support for cookies])
AC_ARG_ENABLE(cookies,
AC_HELP_STRING([--enable-cookies],[Enable cookies support])
AC_HELP_STRING([--disable-cookies],[Disable cookies support]),
[ case "$enableval" in
  no)
       AC_MSG_RESULT(no)
       AC_DEFINE(CURL_DISABLE_COOKIES, 1, [to disable cookies support])
       ;;
  *)   AC_MSG_RESULT(yes)
       ;;
  esac ],
       AC_MSG_RESULT(yes)
)

dnl ************************************************************
dnl hiding of library internal symbols
dnl
CURL_CONFIGURE_SYMBOL_HIDING

dnl ************************************************************
dnl enforce SONAME bump
dnl

AC_MSG_CHECKING([whether to enforce SONAME bump])
AC_ARG_ENABLE(soname-bump,
AC_HELP_STRING([--enable-soname-bump],[Enable enforced SONAME bump])
AC_HELP_STRING([--disable-soname-bump],[Disable enforced SONAME bump]),
[ case "$enableval" in
  yes)   AC_MSG_RESULT(yes)
         soname_bump=yes
         ;;
  *)
         AC_MSG_RESULT(no)
         ;;
  esac ],
        AC_MSG_RESULT($soname_bump)
)
AM_CONDITIONAL(SONAME_BUMP, test x$soname_bump = xyes)

dnl
dnl All the library dependencies put into $LIB apply to libcurl only.
dnl
LIBCURL_LIBS=$LIBS

AC_SUBST(LIBCURL_LIBS)
AC_SUBST(CURL_NETWORK_LIBS)
AC_SUBST(CURL_NETWORK_AND_TIME_LIBS)

dnl BLANK_AT_MAKETIME may be used in our Makefile.am files to blank
dnl LIBS variable used in generated makefile at makefile processing
dnl time. Doing this functionally prevents LIBS from being used for
dnl all link targets in given makefile.
BLANK_AT_MAKETIME=
AC_SUBST(BLANK_AT_MAKETIME)

AM_CONDITIONAL(CROSSCOMPILING, test x$cross_compiling = xyes)

dnl yes or no
ENABLE_SHARED="$enable_shared"
AC_SUBST(ENABLE_SHARED)

dnl
dnl For keeping supported features and protocols also in pkg-config file
dnl since it is more cross-compile friendly than curl-config
dnl

if test "x$USE_SSLEAY" = "x1"; then
  SUPPORT_FEATURES="$SUPPORT_FEATURES SSL"
elif test -n "$SSL_ENABLED"; then
  SUPPORT_FEATURES="$SUPPORT_FEATURES SSL"
fi
if test "@KRB4_ENABLED@" = "x1"; then
  SUPPORT_FEATURES="$SUPPORT_FEATURES KRB4"
fi
if test "x$IPV6_ENABLED" = "x1"; then
  SUPPORT_FEATURES="$SUPPORT_FEATURES IPv6"
fi
if test "x$HAVE_LIBZ" = "x1"; then
  SUPPORT_FEATURES="$SUPPORT_FEATURES libz"
fi
if test "x$USE_ARES" = "x1" -o "x$USE_THREADS_POSIX" = "x1"; then
  SUPPORT_FEATURES="$SUPPORT_FEATURES AsynchDNS"
fi
if test "x$IDN_ENABLED" = "x1"; then
  SUPPORT_FEATURES="$SUPPORT_FEATURES IDN"
fi
if test "x$USE_WINDOWS_SSPI" = "x1"; then
  SUPPORT_FEATURES="$SUPPORT_FEATURES SSPI"
fi
if test "x$CURL_DISABLE_HTTP" != "x1"; then
  if test "x$USE_SSLEAY" = "x1" -o "x$USE_WINDOWS_SSPI" = "x1" \
      -o "x$GNUTLS_ENABLED" = "x1" -o "x$NSS_ENABLED" = "x1" \
      -o "x$DARWINSSL_ENABLED" = "x1"; then
    SUPPORT_FEATURES="$SUPPORT_FEATURES NTLM"
    if test "x$NTLM_WB_ENABLED" = "x1"; then
      SUPPORT_FEATURES="$SUPPORT_FEATURES NTLM_WB"
    fi
  fi
fi
if test "x$USE_TLS_SRP" = "x1"; then
  SUPPORT_FEATURES="$SUPPORT_FEATURES TLS-SRP"
fi

AC_SUBST(SUPPORT_FEATURES)

dnl For supported protocols in pkg-config file
if test "x$CURL_DISABLE_HTTP" != "x1"; then
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS HTTP"
  if test "x$SSL_ENABLED" = "x1"; then
    SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS HTTPS"
  fi
fi
if test "x$CURL_DISABLE_FTP" != "x1"; then
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS FTP"
  if test "x$SSL_ENABLED" = "x1"; then
    SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS FTPS"
  fi
fi
if test "x$CURL_DISABLE_FILE" != "x1"; then
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS FILE"
fi
if test "x$CURL_DISABLE_TELNET" != "x1"; then
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS TELNET"
fi
if test "x$CURL_DISABLE_LDAP" != "x1"; then
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS LDAP"
  if test "x$CURL_DISABLE_LDAPS" != "x1"; then
    if (test "x$USE_OPENLDAP" = "x1" && test "x$SSL_ENABLED" = "x1") ||
      (test "x$USE_OPENLDAP" != "x1"  && test "x$HAVE_LDAP_SSL" = "x1"); then
      SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS LDAPS"
    fi
  fi
fi
if test "x$CURL_DISABLE_DICT" != "x1"; then
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS DICT"
fi
if test "x$CURL_DISABLE_TFTP" != "x1"; then
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS TFTP"
fi
if test "x$CURL_DISABLE_GOPHER" != "x1"; then
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS GOPHER"
fi
if test "x$CURL_DISABLE_POP3" != "x1"; then
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS POP3"
  if test "x$SSL_ENABLED" = "x1"; then
    SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS POP3S"
  fi
fi
if test "x$CURL_DISABLE_IMAP" != "x1"; then
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS IMAP"
  if test "x$SSL_ENABLED" = "x1"; then
    SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS IMAPS"
  fi
fi
if test "x$CURL_DISABLE_SMTP" != "x1"; then
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS SMTP"
  if test "x$SSL_ENABLED" = "x1"; then
    SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS SMTPS"
  fi
fi
if test "x$USE_LIBSSH2" = "x1"; then
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS SCP"
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS SFTP"
fi
if test "x$CURL_DISABLE_RTSP" != "x1"; then
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS RTSP"
fi
if test "x$USE_LIBRTMP" = "x1"; then
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS RTMP"
fi

dnl replace spaces with newlines
dnl sort the lines
dnl replace the newlines back to spaces
SUPPORT_PROTOCOLS=`echo $SUPPORT_PROTOCOLS | tr ' ' '\012' | sort | tr '\012' ' '`

AC_SUBST(SUPPORT_PROTOCOLS)

dnl squeeze whitespace out of some variables

squeeze CFLAGS
squeeze CPPFLAGS
squeeze DEFS
squeeze LDFLAGS
squeeze LIBS

squeeze LIBCURL_LIBS
squeeze CURL_NETWORK_LIBS
squeeze CURL_NETWORK_AND_TIME_LIBS

squeeze SUPPORT_FEATURES
squeeze SUPPORT_PROTOCOLS

dnl
dnl Some sanity checks for LIBS, LDFLAGS, CPPFLAGS and CFLAGS values that
dnl configure is going to feed into makefiles generated by automake. Due
dnl to automake placement and usage of these variables we have to follow
dnl its rules or we may get funny results later on at make-time.
dnl

dnl
dnl LIBS should only specify libraries
dnl
AC_MSG_NOTICE([using LIBS: $LIBS])
tst_bad_spec="no"
for word1 in $LIBS; do
  case "$word1" in
    -l* | --library=*)
      :
      ;;
    *)
      tst_bad_spec="yes"
      ;;
  esac
done
if test "$tst_bad_spec" = "yes"; then
  AC_MSG_WARN([oops, LIBS should only specify libraries.])
fi

dnl
dnl LDFLAGS should only specify linker flags
dnl
AC_MSG_NOTICE([using LDFLAGS: $LDFLAGS])
tst_bad_msg="oops, LDFLAGS should only specify linker flags, not"
for word1 in $LDFLAGS; do
  case "$word1" in
    -D*)
      AC_MSG_WARN([$tst_bad_msg macro definitions. Use CPPFLAGS for: $word1])
      ;;
    -U*)
      AC_MSG_WARN([$tst_bad_msg macro suppressions. Use CPPFLAGS for: $word1])
      ;;
    -I*)
      AC_MSG_WARN([$tst_bad_msg include directories. Use CPPFLAGS for: $word1])
      ;;
    -l* | --library=*)
      AC_MSG_WARN([$tst_bad_msg libraries. Use LIBS for: $word1])
      ;;
  esac
done

dnl
dnl CPPFLAGS should only specify C preprocessor flags
dnl
AC_MSG_NOTICE([using CPPFLAGS: $CPPFLAGS])
tst_bad_msg="oops, CPPFLAGS should only specify C preprocessor flags, not"
for word1 in $CPPFLAGS; do
  case "$word1" in
    -rpath*)
      AC_MSG_WARN([$tst_bad_msg library runtime directories. Use LDFLAGS for: $word1])
      ;;
    -L* | --library-path=*)
      AC_MSG_WARN([$tst_bad_msg library directories. Use LDFLAGS for: $word1])
      ;;
    -l* | --library=*)
      AC_MSG_WARN([$tst_bad_msg libraries. Use LIBS for: $word1])
      ;;
  esac
done

dnl
dnl CFLAGS should only specify C compiler flags
dnl
AC_MSG_NOTICE([using CFLAGS: $CFLAGS])
tst_bad_msg="oops, CFLAGS should only specify C compiler flags, not"
for word1 in $CFLAGS; do
  case "$word1" in
    -D*)
      AC_MSG_WARN([$tst_bad_msg macro definitions. Use CPPFLAGS for: $word1])
      ;;
    -U*)
      AC_MSG_WARN([$tst_bad_msg macro suppressions. Use CPPFLAGS for: $word1])
      ;;
    -I*)
      AC_MSG_WARN([$tst_bad_msg include directories. Use CPPFLAGS for: $word1])
      ;;
    -rpath*)
      AC_MSG_WARN([$tst_bad_msg library runtime directories. Use LDFLAGS for: $word1])
      ;;
    -L* | --library-path=*)
      AC_MSG_WARN([$tst_bad_msg library directories. Use LDFLAGS for: $word1])
      ;;
    -l* | --library=*)
      AC_MSG_WARN([$tst_bad_msg libraries. Use LIBS for: $word1])
      ;;
  esac
done

if test "x$want_curldebug_assumed" = "xyes" &&
  test "x$want_curldebug" = "xyes" && test "x$USE_ARES" = "x1"; then
  ac_configure_args="$ac_configure_args --enable-curldebug"
fi

AC_CONFIG_FILES([Makefile \
           docs/Makefile \
           docs/examples/Makefile \
           docs/libcurl/Makefile \
           include/Makefile \
           include/curl/Makefile \
           src/Makefile \
           lib/Makefile \
           lib/libcurl.vers \
           tests/Makefile \
           tests/data/Makefile \
           tests/server/Makefile \
           tests/libtest/Makefile \
           tests/unit/Makefile \
           packages/Makefile \
           packages/Win32/Makefile \
           packages/Win32/cygwin/Makefile \
           packages/Linux/Makefile \
           packages/Linux/RPM/Makefile \
           packages/Linux/RPM/curl.spec \
           packages/Linux/RPM/curl-ssl.spec \
           packages/Solaris/Makefile \
           packages/EPM/curl.list \
           packages/EPM/Makefile \
           packages/vms/Makefile \
           packages/AIX/Makefile \
           packages/AIX/RPM/Makefile \
           packages/AIX/RPM/curl.spec \
           curl-config \
           libcurl.pc
])
AC_OUTPUT

CURL_GENERATE_CONFIGUREHELP_PM

AC_MSG_NOTICE([Configured to build curl/libcurl:

  curl version:     ${CURLVERSION}
  Host setup:       ${host}
  Install prefix:   ${prefix}
  Compiler:         ${CC}
  SSL support:      ${curl_ssl_msg}
  SSH support:      ${curl_ssh_msg}
  zlib support:     ${curl_zlib_msg}
  krb4 support:     ${curl_krb4_msg}
  GSSAPI support:   ${curl_gss_msg}
  SPNEGO support:   ${curl_spnego_msg}
  TLS-SRP support:  ${curl_tls_srp_msg}
  resolver:         ${curl_res_msg}
  ipv6 support:     ${curl_ipv6_msg}
  IDN support:      ${curl_idn_msg}
  Build libcurl:    Shared=${enable_shared}, Static=${enable_static}
  Built-in manual:  ${curl_manual_msg}
  --libcurl option: ${curl_libcurl_msg}
  Verbose errors:   ${curl_verbose_msg}
  SSPI support:     ${curl_sspi_msg}
  ca cert bundle:   ${ca}
  ca cert path:     ${capath}
  LDAP support:     ${curl_ldap_msg}
  LDAPS support:    ${curl_ldaps_msg}
  RTSP support:     ${curl_rtsp_msg}
  RTMP support:     ${curl_rtmp_msg}
  metalink support: ${curl_mtlnk_msg}
  Protocols:        ${SUPPORT_PROTOCOLS}
])

if test "x$soname_bump" = "xyes"; then

cat <<EOM
  SONAME bump:     yes - WARNING: this library will be built with the SONAME
                   number bumped due to (a detected) ABI breakage.
                   See lib/README.curl_off_t for details on this.
EOM

fi