URI:
       tFind libcurl at configure time - vaccinewars - be a doctor and try to vaccinate the world
  HTML git clone git://src.adamsgaard.dk/vaccinewars
   DIR Log
   DIR Files
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   DIR README
   DIR LICENSE
       ---
   DIR commit e7209ec919eb016fb80517108c65feb26a3d5179
   DIR parent b6fafc5ac33d990ad0fe3e1a86214d4c908ea9fb
  HTML Author: Ben Webb <ben@salilab.org>
       Date:   Sat, 24 Oct 2020 23:29:13 -0700
       
       Find libcurl at configure time
       
       Diffstat:
         M configure.ac                        |       3 +++
         A m4/libcurl.m4                       |     272 +++++++++++++++++++++++++++++++
       
       2 files changed, 275 insertions(+), 0 deletions(-)
       ---
   DIR diff --git a/configure.ac b/configure.ac
       t@@ -149,6 +149,9 @@ else
           dnl We NEED glib
           AM_PATH_GLIB_2_0(2.0.0, , [AC_MSG_ERROR(GLib is required)])
        
       +   dnl Find libcurl for metaserver support
       +   LIBCURL_CHECK_CONFIG()
       +
           dnl Add esound support if available
           if test "$USE_ESD" != "no"; then
             AM_PATH_ESD(0.0.20, ESD=yes)
   DIR diff --git a/m4/libcurl.m4 b/m4/libcurl.m4
       t@@ -0,0 +1,272 @@
       +#***************************************************************************
       +#                                  _   _ ____  _
       +#  Project                     ___| | | |  _ \| |
       +#                             / __| | | | |_) | |
       +#                            | (__| |_| |  _ <| |___
       +#                             \___|\___/|_| \_\_____|
       +#
       +# Copyright (C) 2006 - 2020, David Shaw <dshaw@jabberwocky.com>
       +#
       +# 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.haxx.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.
       +#
       +###########################################################################
       +# LIBCURL_CHECK_CONFIG ([DEFAULT-ACTION], [MINIMUM-VERSION],
       +#                       [ACTION-IF-YES], [ACTION-IF-NO])
       +# ----------------------------------------------------------
       +#      David Shaw <dshaw@jabberwocky.com>   May-09-2006
       +#
       +# Checks for libcurl.  DEFAULT-ACTION is the string yes or no to
       +# specify whether to default to --with-libcurl or --without-libcurl.
       +# If not supplied, DEFAULT-ACTION is yes.  MINIMUM-VERSION is the
       +# minimum version of libcurl to accept.  Pass the version as a regular
       +# version number like 7.10.1. If not supplied, any version is
       +# accepted.  ACTION-IF-YES is a list of shell commands to run if
       +# libcurl was successfully found and passed the various tests.
       +# ACTION-IF-NO is a list of shell commands that are run otherwise.
       +# Note that using --without-libcurl does run ACTION-IF-NO.
       +#
       +# This macro #defines HAVE_LIBCURL if a working libcurl setup is
       +# found, and sets @LIBCURL@ and @LIBCURL_CPPFLAGS@ to the necessary
       +# values.  Other useful defines are LIBCURL_FEATURE_xxx where xxx are
       +# the various features supported by libcurl, and LIBCURL_PROTOCOL_yyy
       +# where yyy are the various protocols supported by libcurl.  Both xxx
       +# and yyy are capitalized.  See the list of AH_TEMPLATEs at the top of
       +# the macro for the complete list of possible defines.  Shell
       +# variables $libcurl_feature_xxx and $libcurl_protocol_yyy are also
       +# defined to 'yes' for those features and protocols that were found.
       +# Note that xxx and yyy keep the same capitalization as in the
       +# curl-config list (e.g. it's "HTTP" and not "http").
       +#
       +# Users may override the detected values by doing something like:
       +# LIBCURL="-lcurl" LIBCURL_CPPFLAGS="-I/usr/myinclude" ./configure
       +#
       +# For the sake of sanity, this macro assumes that any libcurl that is
       +# found is after version 7.7.2, the first version that included the
       +# curl-config script.  Note that it is very important for people
       +# packaging binary versions of libcurl to include this script!
       +# Without curl-config, we can only guess what protocols are available,
       +# or use curl_version_info to figure it out at runtime.
       +
       +AC_DEFUN([LIBCURL_CHECK_CONFIG],
       +[
       +  AH_TEMPLATE([LIBCURL_FEATURE_SSL],[Defined if libcurl supports SSL])
       +  AH_TEMPLATE([LIBCURL_FEATURE_KRB4],[Defined if libcurl supports KRB4])
       +  AH_TEMPLATE([LIBCURL_FEATURE_IPV6],[Defined if libcurl supports IPv6])
       +  AH_TEMPLATE([LIBCURL_FEATURE_LIBZ],[Defined if libcurl supports libz])
       +  AH_TEMPLATE([LIBCURL_FEATURE_ASYNCHDNS],[Defined if libcurl supports AsynchDNS])
       +  AH_TEMPLATE([LIBCURL_FEATURE_IDN],[Defined if libcurl supports IDN])
       +  AH_TEMPLATE([LIBCURL_FEATURE_SSPI],[Defined if libcurl supports SSPI])
       +  AH_TEMPLATE([LIBCURL_FEATURE_NTLM],[Defined if libcurl supports NTLM])
       +
       +  AH_TEMPLATE([LIBCURL_PROTOCOL_HTTP],[Defined if libcurl supports HTTP])
       +  AH_TEMPLATE([LIBCURL_PROTOCOL_HTTPS],[Defined if libcurl supports HTTPS])
       +  AH_TEMPLATE([LIBCURL_PROTOCOL_FTP],[Defined if libcurl supports FTP])
       +  AH_TEMPLATE([LIBCURL_PROTOCOL_FTPS],[Defined if libcurl supports FTPS])
       +  AH_TEMPLATE([LIBCURL_PROTOCOL_FILE],[Defined if libcurl supports FILE])
       +  AH_TEMPLATE([LIBCURL_PROTOCOL_TELNET],[Defined if libcurl supports TELNET])
       +  AH_TEMPLATE([LIBCURL_PROTOCOL_LDAP],[Defined if libcurl supports LDAP])
       +  AH_TEMPLATE([LIBCURL_PROTOCOL_DICT],[Defined if libcurl supports DICT])
       +  AH_TEMPLATE([LIBCURL_PROTOCOL_TFTP],[Defined if libcurl supports TFTP])
       +  AH_TEMPLATE([LIBCURL_PROTOCOL_RTSP],[Defined if libcurl supports RTSP])
       +  AH_TEMPLATE([LIBCURL_PROTOCOL_POP3],[Defined if libcurl supports POP3])
       +  AH_TEMPLATE([LIBCURL_PROTOCOL_IMAP],[Defined if libcurl supports IMAP])
       +  AH_TEMPLATE([LIBCURL_PROTOCOL_SMTP],[Defined if libcurl supports SMTP])
       +
       +  AC_ARG_WITH(libcurl,
       +     AS_HELP_STRING([--with-libcurl=PREFIX],[look for the curl library in PREFIX/lib and headers in PREFIX/include]),
       +     [_libcurl_with=$withval],[_libcurl_with=ifelse([$1],,[yes],[$1])])
       +
       +  if test "$_libcurl_with" != "no" ; then
       +
       +     AC_PROG_AWK
       +
       +     _libcurl_version_parse="eval $AWK '{split(\$NF,A,\".\"); X=256*256*A[[1]]+256*A[[2]]+A[[3]]; print X;}'"
       +
       +     _libcurl_try_link=yes
       +
       +     if test -d "$_libcurl_with" ; then
       +        LIBCURL_CPPFLAGS="-I$withval/include"
       +        _libcurl_ldflags="-L$withval/lib"
       +        AC_PATH_PROG([_libcurl_config],[curl-config],[],
       +                     ["$withval/bin"])
       +     else
       +        AC_PATH_PROG([_libcurl_config],[curl-config],[],[$PATH])
       +     fi
       +
       +     if test x$_libcurl_config != "x" ; then
       +        AC_CACHE_CHECK([for the version of libcurl],
       +           [libcurl_cv_lib_curl_version],
       +           [libcurl_cv_lib_curl_version=`$_libcurl_config --version | $AWK '{print $[]2}'`])
       +
       +        _libcurl_version=`echo $libcurl_cv_lib_curl_version | $_libcurl_version_parse`
       +        _libcurl_wanted=`echo ifelse([$2],,[0],[$2]) | $_libcurl_version_parse`
       +
       +        if test $_libcurl_wanted -gt 0 ; then
       +           AC_CACHE_CHECK([for libcurl >= version $2],
       +              [libcurl_cv_lib_version_ok],
       +              [
       +              if test $_libcurl_version -ge $_libcurl_wanted ; then
       +                 libcurl_cv_lib_version_ok=yes
       +              else
       +                 libcurl_cv_lib_version_ok=no
       +              fi
       +              ])
       +        fi
       +
       +        if test $_libcurl_wanted -eq 0 || test x$libcurl_cv_lib_version_ok = xyes ; then
       +           if test x"$LIBCURL_CPPFLAGS" = "x" ; then
       +              LIBCURL_CPPFLAGS=`$_libcurl_config --cflags`
       +           fi
       +           if test x"$LIBCURL" = "x" ; then
       +              LIBCURL=`$_libcurl_config --libs`
       +
       +              # This is so silly, but Apple actually has a bug in their
       +              # curl-config script.  Fixed in Tiger, but there are still
       +              # lots of Panther installs around.
       +              case "${host}" in
       +                 powerpc-apple-darwin7*)
       +                    LIBCURL=`echo $LIBCURL | sed -e 's|-arch i386||g'`
       +                 ;;
       +              esac
       +           fi
       +
       +           # All curl-config scripts support --feature
       +           _libcurl_features=`$_libcurl_config --feature`
       +
       +           # Is it modern enough to have --protocols? (7.12.4)
       +           if test $_libcurl_version -ge 461828 ; then
       +              _libcurl_protocols=`$_libcurl_config --protocols`
       +           fi
       +        else
       +           _libcurl_try_link=no
       +        fi
       +
       +        unset _libcurl_wanted
       +     fi
       +
       +     if test $_libcurl_try_link = yes ; then
       +
       +        # we didn't find curl-config, so let's see if the user-supplied
       +        # link line (or failing that, "-lcurl") is enough.
       +        LIBCURL=${LIBCURL-"$_libcurl_ldflags -lcurl"}
       +
       +        AC_CACHE_CHECK([whether libcurl is usable],
       +           [libcurl_cv_lib_curl_usable],
       +           [
       +           _libcurl_save_cppflags=$CPPFLAGS
       +           CPPFLAGS="$LIBCURL_CPPFLAGS $CPPFLAGS"
       +           _libcurl_save_libs=$LIBS
       +           LIBS="$LIBCURL $LIBS"
       +
       +           AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <curl/curl.h>]],[[
       +/* Try and use a few common options to force a failure if we are
       +   missing symbols or can't link. */
       +int x;
       +curl_easy_setopt(NULL,CURLOPT_URL,NULL);
       +x=CURL_ERROR_SIZE;
       +x=CURLOPT_WRITEFUNCTION;
       +x=CURLOPT_WRITEDATA;
       +x=CURLOPT_ERRORBUFFER;
       +x=CURLOPT_STDERR;
       +x=CURLOPT_VERBOSE;
       +if (x) {;}
       +]])],libcurl_cv_lib_curl_usable=yes,libcurl_cv_lib_curl_usable=no)
       +
       +           CPPFLAGS=$_libcurl_save_cppflags
       +           LIBS=$_libcurl_save_libs
       +           unset _libcurl_save_cppflags
       +           unset _libcurl_save_libs
       +           ])
       +
       +        if test $libcurl_cv_lib_curl_usable = yes ; then
       +
       +           # Does curl_free() exist in this version of libcurl?
       +           # If not, fake it with free()
       +
       +           _libcurl_save_cppflags=$CPPFLAGS
       +           CPPFLAGS="$CPPFLAGS $LIBCURL_CPPFLAGS"
       +           _libcurl_save_libs=$LIBS
       +           LIBS="$LIBS $LIBCURL"
       +
       +           AC_CHECK_FUNC(curl_free,,
       +              AC_DEFINE(curl_free,free,
       +                [Define curl_free() as free() if our version of curl lacks curl_free.]))
       +
       +           CPPFLAGS=$_libcurl_save_cppflags
       +           LIBS=$_libcurl_save_libs
       +           unset _libcurl_save_cppflags
       +           unset _libcurl_save_libs
       +
       +           AC_DEFINE(HAVE_LIBCURL,1,
       +             [Define to 1 if you have a functional curl library.])
       +           AC_SUBST(LIBCURL_CPPFLAGS)
       +           AC_SUBST(LIBCURL)
       +
       +           for _libcurl_feature in $_libcurl_features ; do
       +              AC_DEFINE_UNQUOTED(AS_TR_CPP(libcurl_feature_$_libcurl_feature),[1])
       +              eval AS_TR_SH(libcurl_feature_$_libcurl_feature)=yes
       +           done
       +
       +           if test "x$_libcurl_protocols" = "x" ; then
       +
       +              # We don't have --protocols, so just assume that all
       +              # protocols are available
       +              _libcurl_protocols="HTTP FTP FILE TELNET LDAP DICT TFTP"
       +
       +              if test x$libcurl_feature_SSL = xyes ; then
       +                 _libcurl_protocols="$_libcurl_protocols HTTPS"
       +
       +                 # FTPS wasn't standards-compliant until version
       +                 # 7.11.0 (0x070b00 == 461568)
       +                 if test $_libcurl_version -ge 461568; then
       +                    _libcurl_protocols="$_libcurl_protocols FTPS"
       +                 fi
       +              fi
       +
       +              # RTSP, IMAP, POP3 and SMTP were added in
       +              # 7.20.0 (0x071400 == 463872)
       +              if test $_libcurl_version -ge 463872; then
       +                 _libcurl_protocols="$_libcurl_protocols RTSP IMAP POP3 SMTP"
       +              fi
       +           fi
       +
       +           for _libcurl_protocol in $_libcurl_protocols ; do
       +              AC_DEFINE_UNQUOTED(AS_TR_CPP(libcurl_protocol_$_libcurl_protocol),[1])
       +              eval AS_TR_SH(libcurl_protocol_$_libcurl_protocol)=yes
       +           done
       +        else
       +           unset LIBCURL
       +           unset LIBCURL_CPPFLAGS
       +        fi
       +     fi
       +
       +     unset _libcurl_try_link
       +     unset _libcurl_version_parse
       +     unset _libcurl_config
       +     unset _libcurl_feature
       +     unset _libcurl_features
       +     unset _libcurl_protocol
       +     unset _libcurl_protocols
       +     unset _libcurl_version
       +     unset _libcurl_ldflags
       +  fi
       +
       +  if test x$_libcurl_with = xno || test x$libcurl_cv_lib_curl_usable != xyes ; then
       +     # This is the IF-NO path
       +     ifelse([$4],,:,[$4])
       +  else
       +     # This is the IF-YES path
       +     ifelse([$3],,:,[$3])
       +  fi
       +
       +  unset _libcurl_with
       +])dnl