mirror of
https://github.com/moparisthebest/curl
synced 2024-12-23 08:38:49 -05:00
8971f656b4
the latest features and protocols that libcurl supports and has a minor fix to better deal with the obscure case where someone has more than one libcurl installed at the same time.
237 lines
8.9 KiB
Plaintext
237 lines
8.9 KiB
Plaintext
# LIBCURL_CHECK_CONFIG ([DEFAULT-ACTION], [MINIMUM-VERSION],
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# [ACTION-IF-YES], [ACTION-IF-NO])
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# ----------------------------------------------------------
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# David Shaw <dshaw@jabberwocky.com> Jan-17-2006
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#
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# Checks for libcurl. DEFAULT-ACTION is the string yes or no to
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# specify whether to default to --with-libcurl or --without-libcurl.
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# If not supplied, DEFAULT-ACTION is yes. MINIMUM-VERSION is the
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# minimum version of libcurl to accept. Pass the version as a regular
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# version number like 7.10.1. If not supplied, any version is
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# accepted. ACTION-IF-YES is a list of shell commands to run if
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# libcurl was successfully found and passed the various tests.
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# ACTION-IF-NO is a list of shell commands that are run otherwise.
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# Note that using --without-libcurl does run ACTION-IF-NO.
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#
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# This macro #defines HAVE_LIBCURL if a working libcurl setup is
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# found, and sets @LIBCURL@ and @LIBCURL_CPPFLAGS@ to the necessary
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# values. Other useful defines are LIBCURL_FEATURE_xxx where xxx are
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# the various features supported by libcurl, and LIBCURL_PROTOCOL_yyy
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# where yyy are the various protocols supported by libcurl. Both xxx
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# and yyy are capitalized. See the list of AH_TEMPLATEs at the top of
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# the macro for the complete list of possible defines. Shell
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# variables $libcurl_feature_xxx and $libcurl_protocol_yyy are also
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# defined to 'yes' for those features and protocols that were found.
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# Note that xxx and yyy keep the same capitalization as in the
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# curl-config list (e.g. it's "HTTP" and not "http").
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#
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# Users may override the detected values by doing something like:
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# LIBCURL="-lcurl" LIBCURL_CPPFLAGS="-I/usr/myinclude" ./configure
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#
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# For the sake of sanity, this macro assumes that any libcurl that is
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# found is after version 7.7.2, the first version that included the
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# curl-config script. Note that it is very important for people
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# packaging binary versions of libcurl to include this script!
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# Without curl-config, we can only guess what protocols are available,
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# or use curl_version_info to figure it out at runtime.
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AC_DEFUN([LIBCURL_CHECK_CONFIG],
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[
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AH_TEMPLATE([LIBCURL_FEATURE_SSL],[Defined if libcurl supports SSL])
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AH_TEMPLATE([LIBCURL_FEATURE_KRB4],[Defined if libcurl supports KRB4])
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AH_TEMPLATE([LIBCURL_FEATURE_IPV6],[Defined if libcurl supports IPv6])
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AH_TEMPLATE([LIBCURL_FEATURE_LIBZ],[Defined if libcurl supports libz])
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AH_TEMPLATE([LIBCURL_FEATURE_ASYNCHDNS],[Defined if libcurl supports AsynchDNS])
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AH_TEMPLATE([LIBCURL_FEATURE_IDN],[Defined if libcurl supports IDN])
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AH_TEMPLATE([LIBCURL_FEATURE_SSPI],[Defined if libcurl supports SSPI])
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AH_TEMPLATE([LIBCURL_FEATURE_NTLM],[Defined if libcurl supports NTLM])
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AH_TEMPLATE([LIBCURL_PROTOCOL_HTTP],[Defined if libcurl supports HTTP])
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AH_TEMPLATE([LIBCURL_PROTOCOL_HTTPS],[Defined if libcurl supports HTTPS])
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AH_TEMPLATE([LIBCURL_PROTOCOL_FTP],[Defined if libcurl supports FTP])
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AH_TEMPLATE([LIBCURL_PROTOCOL_FTPS],[Defined if libcurl supports FTPS])
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AH_TEMPLATE([LIBCURL_PROTOCOL_FILE],[Defined if libcurl supports FILE])
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AH_TEMPLATE([LIBCURL_PROTOCOL_TELNET],[Defined if libcurl supports TELNET])
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AH_TEMPLATE([LIBCURL_PROTOCOL_LDAP],[Defined if libcurl supports LDAP])
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AH_TEMPLATE([LIBCURL_PROTOCOL_DICT],[Defined if libcurl supports DICT])
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AH_TEMPLATE([LIBCURL_PROTOCOL_TFTP],[Defined if libcurl supports TFTP])
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AC_ARG_WITH(libcurl,
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AC_HELP_STRING([--with-libcurl=DIR],[look for the curl library in DIR]),
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[_libcurl_with=$withval],[_libcurl_with=ifelse([$1],,[yes],[$1])])
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if test "$_libcurl_with" != "no" ; then
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AC_PROG_AWK
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_libcurl_version_parse="eval $AWK '{split(\$NF,A,\".\"); X=256*256*A[[1]]+256*A[[2]]+A[[3]]; print X;}'"
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_libcurl_try_link=yes
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if test -d "$_libcurl_with" ; then
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LIBCURL_CPPFLAGS="-I$withval/include"
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_libcurl_ldflags="-L$withval/lib"
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AC_PATH_PROG([_libcurl_config],["$withval/bin/curl-config"])
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else
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AC_PATH_PROG([_libcurl_config],[curl-config])
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fi
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if test x$_libcurl_config != "x" ; then
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AC_CACHE_CHECK([for the version of libcurl],
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[libcurl_cv_lib_curl_version],
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[libcurl_cv_lib_curl_version=`$_libcurl_config --version | $AWK '{print $[]2}'`])
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_libcurl_version=`echo $libcurl_cv_lib_curl_version | $_libcurl_version_parse`
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_libcurl_wanted=`echo ifelse([$2],,[0],[$2]) | $_libcurl_version_parse`
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if test $_libcurl_wanted -gt 0 ; then
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AC_CACHE_CHECK([for libcurl >= version $2],
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[libcurl_cv_lib_version_ok],
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[
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if test $_libcurl_version -ge $_libcurl_wanted ; then
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libcurl_cv_lib_version_ok=yes
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else
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libcurl_cv_lib_version_ok=no
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fi
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])
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fi
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if test $_libcurl_wanted -eq 0 || test x$libcurl_cv_lib_version_ok = xyes ; then
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if test x"$LIBCURL_CPPFLAGS" = "x" ; then
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LIBCURL_CPPFLAGS=`$_libcurl_config --cflags`
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fi
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if test x"$LIBCURL" = "x" ; then
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LIBCURL=`$_libcurl_config --libs`
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# This is so silly, but Apple actually has a bug in their
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# curl-config script. Fixed in Tiger, but there are still
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# lots of Panther installs around.
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case "${host}" in
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powerpc-apple-darwin7*)
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LIBCURL=`echo $LIBCURL | sed -e 's|-arch i386||g'`
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;;
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esac
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fi
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# All curl-config scripts support --feature
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_libcurl_features=`$_libcurl_config --feature`
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# Is it modern enough to have --protocols? (7.12.4)
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if test $_libcurl_version -ge 461828 ; then
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_libcurl_protocols=`$_libcurl_config --protocols`
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fi
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else
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_libcurl_try_link=no
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fi
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unset _libcurl_wanted
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fi
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if test $_libcurl_try_link = yes ; then
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# we didn't find curl-config, so let's see if the user-supplied
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# link line (or failing that, "-lcurl") is enough.
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LIBCURL=${LIBCURL-"$_libcurl_ldflags -lcurl"}
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AC_CACHE_CHECK([whether libcurl is usable],
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[libcurl_cv_lib_curl_usable],
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[
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_libcurl_save_cppflags=$CPPFLAGS
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CPPFLAGS="$LIBCURL_CPPFLAGS $CPPFLAGS"
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_libcurl_save_libs=$LIBS
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LIBS="$LIBCURL $LIBS"
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AC_LINK_IFELSE(AC_LANG_PROGRAM([#include <curl/curl.h>],[
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/* Try and use a few common options to force a failure if we are
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missing symbols or can't link. */
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int x;
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curl_easy_setopt(NULL,CURLOPT_URL,NULL);
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x=CURL_ERROR_SIZE;
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x=CURLOPT_WRITEFUNCTION;
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x=CURLOPT_FILE;
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x=CURLOPT_ERRORBUFFER;
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x=CURLOPT_STDERR;
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x=CURLOPT_VERBOSE;
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]),libcurl_cv_lib_curl_usable=yes,libcurl_cv_lib_curl_usable=no)
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CPPFLAGS=$_libcurl_save_cppflags
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LIBS=$_libcurl_save_libs
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unset _libcurl_save_cppflags
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unset _libcurl_save_libs
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])
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if test $libcurl_cv_lib_curl_usable = yes ; then
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# Does curl_free() exist in this version of libcurl?
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# If not, fake it with free()
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_libcurl_save_cppflags=$CPPFLAGS
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CPPFLAGS="$CPPFLAGS $LIBCURL_CPPFLAGS"
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_libcurl_save_libs=$LIBS
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LIBS="$LIBS $LIBCURL"
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AC_CHECK_FUNC(curl_free,,
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AC_DEFINE(curl_free,free,
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[Define curl_free() as free() if our version of curl lacks curl_free.]))
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CPPFLAGS=$_libcurl_save_cppflags
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LIBS=$_libcurl_save_libs
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unset _libcurl_save_cppflags
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unset _libcurl_save_libs
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AC_DEFINE(HAVE_LIBCURL,1,
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[Define to 1 if you have a functional curl library.])
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AC_SUBST(LIBCURL_CPPFLAGS)
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AC_SUBST(LIBCURL)
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for _libcurl_feature in $_libcurl_features ; do
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AC_DEFINE_UNQUOTED(AS_TR_CPP(libcurl_feature_$_libcurl_feature),[1])
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eval AS_TR_SH(libcurl_feature_$_libcurl_feature)=yes
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done
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if test "x$_libcurl_protocols" = "x" ; then
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# We don't have --protocols, so just assume that all
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# protocols are available
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_libcurl_protocols="HTTP FTP FILE TELNET LDAP DICT"
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if test x$libcurl_feature_SSL = xyes ; then
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_libcurl_protocols="$_libcurl_protocols HTTPS"
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# FTPS wasn't standards-compliant until version
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# 7.11.0
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if test $_libcurl_version -ge 461568; then
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_libcurl_protocols="$_libcurl_protocols FTPS"
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fi
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fi
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fi
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for _libcurl_protocol in $_libcurl_protocols ; do
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AC_DEFINE_UNQUOTED(AS_TR_CPP(libcurl_protocol_$_libcurl_protocol),[1])
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eval AS_TR_SH(libcurl_protocol_$_libcurl_protocol)=yes
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done
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fi
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fi
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unset _libcurl_try_link
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unset _libcurl_version_parse
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unset _libcurl_config
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unset _libcurl_feature
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unset _libcurl_features
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unset _libcurl_protocol
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unset _libcurl_protocols
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unset _libcurl_version
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unset _libcurl_ldflags
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fi
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if test x$_libcurl_with = xno || test x$libcurl_cv_lib_curl_usable != xyes ; then
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# This is the IF-NO path
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ifelse([$4],,:,[$4])
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else
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# This is the IF-YES path
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ifelse([$3],,:,[$3])
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fi
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unset _libcurl_with
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])dnl
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