http://www.perlmonks.org?node_id=1208666

igods has asked for the wisdom of the Perl Monks concerning the following question:

I am trying to port some perl code over from my OS X 10.6.8 server to my new OS X 10.12.6 server. When I run the code, it trips over a missing WWW::Curl::Easy module:
------------------------------ 
[ns3:~/linkrabbit] administrator% ./linkrabbit.pl -s iq
Can't locate WWW/Curl/Easy.pm in @INC (you may need to install the WWW
+::Curl::Easy module) (@INC contains: /Users/administrator/perl5/perlb
+rew/build/perl-5.24.0/ /Library/Perl/5.18/darwin-thread-multi-2level 
+/Library/Perl/5.18 /Network/Library/Perl/5.18/darwin-thread-multi-2le
+vel /Network/Library/Perl/5.18 /Library/Perl/Updates/5.18.2/darwin-th
+read-multi-2level /Library/Perl/Updates/5.18.2 /System/Library/Perl/5
+.18/darwin-thread-multi-2level /System/Library/Perl/5.18 /System/Libr
+ary/Perl/Extras/5.18/darwin-thread-multi-2level /System/Library/Perl/
+Extras/5.18 . /usr/local/Cellar/curl/7.56.1/) at ./linkrabbit.pl line
+ 35.
BEGIN failed--compilation aborted at ./linkrabbit.pl line 35.
[ns3:~/linkrabbit] administrator%

[download]

------------------------------
Sure enough, WWW::Curl::Easy is not installed. So I pop over to cpanp to install the module, but fail miserably:
------------------------------ 
[ns3:~/linkrabbit] administrator% sudo cpanp -i WWW::Curl::Easy
Password:
Installing WWW::Curl::Easy (4.17)
CPANPLUS::Dist::Build::Constants will be removed from the Perl core di
+stribution in the next major release. Please install it from CPAN. It
+ is being used at /System/Library/Perl/5.18/CPANPLUS/Dist/Build.pm, l
+ine 16.
Running [/usr/bin/perl -e use strict; BEGIN { my $old = select STDERR;
+ $|++; select $old; $|++; $0 = shift(@ARGV); my $rv = do($0); die $@ 
+if $@; } /Users/administrator/.cpanplus/5.18.2/build/WWW-Curl-4.17/Ma
+kefile.PL]...
Locating required external dependency bin:curl-config... found at /usr
+/bin/curl-config.
The version is libcurl 7.54.0
Found curl.h in /usr/include/curl/curl.h
In file included from /usr/include/curl/curl.h:38:
In file included from /usr/include/curl/curlbuild.h:145:
In file included from /Applications/Xcode.app/Contents/Developer/Toolc
+hains/XcodeDefault.xctoolchain/usr/lib/clang/9.0.0/include/inttypes.h
+:30:
In file included from /usr/include/inttypes.h:224:
In file included from /usr/include/Availability.h:190:
/usr/include/AvailabilityInternal.h:22938:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_12
         ^
/usr/include/AvailabilityInternal.h:22867:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_11_4
         ^
/usr/include/AvailabilityInternal.h:22800:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_11_3
         ^
/usr/include/AvailabilityInternal.h:22737:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_11_2
         ^
/usr/include/AvailabilityInternal.h:22678:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_11
         ^
/usr/include/AvailabilityInternal.h:22623:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_10_3
         ^
/usr/include/AvailabilityInternal.h:22572:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_10_2
         ^
/usr/include/AvailabilityInternal.h:22525:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_10
         ^
/usr/include/AvailabilityInternal.h:22482:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_9
         ^
/usr/include/AvailabilityInternal.h:22443:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_8
         ^
/usr/include/AvailabilityInternal.h:22408:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_7
         ^
/usr/include/AvailabilityInternal.h:22377:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_6
         ^
/usr/include/AvailabilityInternal.h:22350:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_5
         ^
/usr/include/AvailabilityInternal.h:22327:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_4
         ^
/usr/include/AvailabilityInternal.h:22308:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_3
         ^
/usr/include/AvailabilityInternal.h:22293:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_2
         ^
/usr/include/AvailabilityInternal.h:22282:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_1
         ^
/usr/include/AvailabilityInternal.h:30:2: error: unterminated conditio
+nal directive
#ifndef __AVAILABILITY_INTERNAL__
 ^
In file included from /usr/include/curl/curl.h:38:
In file included from /usr/include/curl/curlbuild.h:145:
In file included from /Applications/Xcode.app/Contents/Developer/Toolc
+hains/XcodeDefault.xctoolchain/usr/lib/clang/9.0.0/include/inttypes.h
+:30:
In file included from /usr/include/inttypes.h:224:
/usr/include/Availability.h:239:2: error: #else without #if
#else
 ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
Building curlopt-constants.c for your libcurl version
Building Easy.pm constants for your libcurl version
Building Share.pm constants for your libcurl version
Generating a Unix-style Makefile
Writing Makefile for WWW::Curl
Writing MYMETA.yml and MYMETA.json
[ERROR] MAKE failed: Inappropriate ioctl for device Skip blib/lib/WWW/
+Curl/Easy.pm (unchanged)
Skip blib/lib/WWW/Curl/Multi.pm (unchanged)
Skip blib/lib/WWW/Curl/Form.pm (unchanged)
Skip blib/lib/WWW/Curl.pm (unchanged)
Skip blib/lib/WWW/Curl/Share.pm (unchanged)
Running Mkbootstrap for Curl ()
chmod 644 "Curl.bs"
"/usr/bin/perl" "-Iinc" -MExtUtils::Command::MM -e 'cp_nonempty' -- Cu
+rl.bs blib/arch/auto/WWW/Curl/Curl.bs 644
cc -c  -I/usr/include -arch x86_64 -arch i386 -g -pipe -fno-common -DP
+ERL_DARWIN -fno-strict-aliasing -fstack-protector -Os   -DVERSION=\"4
+.17\" -DXS_VERSION=\"4.17\"  "-I/System/Library/Perl/5.18/darwin-thre
+ad-multi-2level/CORE"   Curl.c
In file included from Curl.xs:574:
./curlopt-constants.c:19:58: error: non-void function 'constant' shoul
+d return a value [-Wreturn-type]
            if (strEQ(name, "DID_MEMORY_FUNC_TYPEDEFS")) return CURL_D
+ID_MEMORY_FUNC_TYPEDEFS;
                                                         ^
./curlopt-constants.c:128:49: error: use of undeclared identifier 'CUR
+L_STRICTER'
            if (strEQ(name, "STRICTER")) return CURL_STRICTER;
                                                ^
./curlopt-constants.c:2051:44: warning: implicit conversion from 'unsi
+gned long' to 'int' changes value from 18446744073709551599 to -17 [-
+Wconstant-conversion]
            if (strEQ(name, "ANY")) return CURLAUTH_ANY;
                                    ~~~~~~ ^~~~~~~~~~~~
/usr/include/curl/curl.h:679:32: note: expanded from macro 'CURLAUTH_A
+NY'
#define CURLAUTH_ANY          (~CURLAUTH_DIGEST_IE)
                               ^~~~~~~~~~~~~~~~~~~
In file included from Curl.xs:574:
./curlopt-constants.c:2052:48: warning: implicit conversion from 'unsi
+gned long' to 'int' changes value from 18446744073709551598 to -18 [-
+Wconstant-conversion]
            if (strEQ(name, "ANYSAFE")) return CURLAUTH_ANYSAFE;
                                        ~~~~~~ ^~~~~~~~~~~~~~~~
/usr/include/curl/curl.h:680:32: note: expanded from macro 'CURLAUTH_A
+NYSAFE'
#define CURLAUTH_ANYSAFE      (~(CURLAUTH_BASIC|CURLAUTH_DIGEST_IE))
                               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2 warnings and 2 errors generated.
make: *** [Curl.o] Error 1


[ERROR] Unable to create a new distribution object for 'WWW::Curl::Eas
+y' -- cannot continue

*** Install log written to:
  /Users/administrator/.cpanplus/install-logs/WWW-Curl-Easy-4.17-15180
+47969.log

Error installing 'WWW::Curl::Easy'
Problem installing one or more modules

[ns3:~/linkrabbit] administrator%

[download]

------------------------------
My linkrabbit.pl file begins with this (line 35 is use WWW::Curl::Easy;): 
#! /usr/bin/perl
#
##############################################

use strict;

use lib "/Users/administrator/perl5/perlbrew/build/perl-5.24.0/";

BEGIN {push @INC, '/usr/local/Cellar/curl/7.56.1/'}

use Time::Local;
use Time::HiRes;
use Getopt::Long;
use IO::Handle;
use HTML::TokeParser;
use XML::LibXML;
use WWW::RobotRules;
use LWP::Simple qw(get);
use URI;
use Switch;
use WWW::Curl::Easy;
use WWW::Curl::Multi;
use WWW::Google::PageRank;
use File::Copy;

[download]

------------------------------
I have googled my brains out (and I google for a living), but haven't been able to get past this point for months. At this point, I'm quite lost. I'm hoping that I can reach out to someone who might better understand my predicament.

Can anyone assist?

My humble thanks.
Cameron Knowlton

Replies are listed 'Best First'.
Re: installing WWW::Curl::Easy perl module in OS X 10.12.6
by syphilis (Archbishop) on Feb 08, 2018 at 01:04 UTC
    /usr/include/AvailabilityInternal.h:22938:10: error: unterminated conditional directive

    The syntax of /usr/include/AvailabilityInternal.h is illegal, at least in the eyes of your C compiler.
    For every "#if" there needs to be a corresponding "#endif", and the C pre-processor hasn't found those requisite occurrences of "#endif". (All other errors are probably a consequence of this.)

    I suppose one could fix the offending file, but if you're using the system perl (as I suspect you are) then I believe that, instead of using cpan, it's recommended that you install modules using your system's package manager.
    /usr/include/AvailabilityInternal.h wouldn't even be looked at if you were to install WWW::Curl::Easy using the package manager.

    Update: See
    https://stackoverflow.com/questions/42031921/unterminated-unconditional-directive-error-when-preprocessing-c-code
    if you wish to persevere with a cpanp installation.

    Cheers,
    Rob
[reply]
      Thank you Rob, I got further this time... I verified (and updated) curl and pkg_config in brew: 
      ns3:linkrabbit administrator$ brew info curl
curl: stable 7.58.0 (bottled), HEAD [keg-only]
Get a file from an HTTP, HTTPS or FTP server
https://curl.haxx.se/
/usr/local/Cellar/curl/7.51.0 (368 files, 2.6MB)
  Poured from bottle on 2016-11-21 at 15:29:25
/usr/local/Cellar/curl/7.56.1 (414 files, 3.0MB)
  Poured from bottle on 2017-11-08 at 11:37:40
/usr/local/Cellar/curl/7.58.0 (415 files, 3MB)
  Poured from bottle on 2018-02-09 at 10:38:12
From: https://github.com/Homebrew/homebrew-core/blob/master/Formula/cu
+rl.rb
==> Dependencies
Build: pkg-config ✔
Optional: openssl ✔, rtmpdump ✘, libssh2 ✘, c-are
+s ✘, libmetalink ✘, nghttp2 ✘
==> Options
--with-c-ares
    Build with C-Ares async DNS support
--with-gssapi
    Build with GSSAPI/Kerberos authentication support.
--with-libmetalink
    Build with libmetalink support.
--with-libssh2
    Build with scp and sftp support
--with-nghttp2
    Build with HTTP/2 support (requires OpenSSL)
--with-openssl
    Build with OpenSSL instead of Secure Transport
--with-rtmpdump
    Build with RTMP support
--HEAD
    Install HEAD version
==> Caveats
This formula is keg-only, which means it was not symlinked into /usr/l
+ocal,
because macOS already provides this software and installing another ve
+rsion in
parallel can cause all kinds of trouble.

If you need to have this software first in your PATH run:
  echo 'export PATH="/usr/local/opt/curl/bin:$PATH"' >> ~/.bash_profil
+e

For compilers to find this software you may need to set:
    LDFLAGS:  -L/usr/local/opt/curl/lib
    CPPFLAGS: -I/usr/local/opt/curl/include
For pkg-config to find this software you may need to set:
    PKG_CONFIG_PATH: /usr/local/opt/curl/lib/pkgconfig

ns3:linkrabbit administrator$

      [download]
      I believe what I had missed was appending my .bash_profile to be able to find the brew installed curl: 
      export PATH="/usr/local/opt/curl/bin:$PATH"
export CURL_CONFIG=/usr/local/Cellar/curl/7.58.0/bin/curl-config

      [download]
      I then attempted again to install the WWW::Curl::Easy module using cpanp... I now encounter different problems (so this is progress, yes?!) 
      ns3:linkrabbit administrator$ sudo cpanp -i WWW::Curl::Easy
Installing WWW::Curl::Easy (4.17)
CPANPLUS::Dist::Build::Constants will be removed from the Perl core di
+stribution in the next major release. Please install it from CPAN. It
+ is being used at /System/Library/Perl/5.18/CPANPLUS/Dist/Build.pm, l
+ine 16.
[ERROR] MAKE failed:  "/usr/bin/perl" "-Iinc" -MExtUtils::Command::MM 
+-e 'cp_nonempty' -- Curl.bs blib/arch/auto/WWW/Curl/Curl.bs 644
cc -c  -I/usr/local/Cellar/curl/7.58.0/include -arch x86_64 -arch i386
+ -g -pipe -fno-common -DPERL_DARWIN -fno-strict-aliasing -fstack-prot
+ector -Os   -DVERSION=\"4.17\" -DXS_VERSION=\"4.17\"  "-I/System/Libr
+ary/Perl/5.18/darwin-thread-multi-2level/CORE"   Curl.c
In file included from Curl.xs:574:
./curlopt-constants.c:19:58: error: non-void function 'constant' shoul
+d return a value [-Wreturn-type]
            if (strEQ(name, "DID_MEMORY_FUNC_TYPEDEFS")) return CURL_D
+ID_MEMORY_FUNC_TYPEDEFS;
                                                         ^
./curlopt-constants.c:136:49: error: use of undeclared identifier 'CUR
+L_STRICTER'
            if (strEQ(name, "STRICTER")) return CURL_STRICTER;
                                                ^
./curlopt-constants.c:179:56: warning: implicit conversion from 'size_
+t' (aka 'unsigned long') to 'int' changes value from 1844674407370955
+1615 to -1 [-Wconstant-conversion]
            if (strEQ(name, "ZERO_TERMINATED")) return CURL_ZERO_TERMI
+NATED;
                                                ~~~~~~ ^~~~~~~~~~~~~~~
+~~~~~
/usr/local/Cellar/curl/7.58.0/include/curl/curl.h:1969:31: note: expan
+ded from macro 'CURL_ZERO_TERMINATED'
#define CURL_ZERO_TERMINATED ((size_t) -1)
                              ^~~~~~~~~~~
In file included from Curl.xs:574:
./curlopt-constants.c:2145:44: warning: implicit conversion from 'unsi
+gned long' to 'int' changes value from 18446744073709551599 to -17 [-
+Wconstant-conversion]
            if (strEQ(name, "ANY")) return CURLAUTH_ANY;
                                    ~~~~~~ ^~~~~~~~~~~~
/usr/local/Cellar/curl/7.58.0/include/curl/curl.h:708:32: note: expand
+ed from macro 'CURLAUTH_ANY'
#define CURLAUTH_ANY          (~CURLAUTH_DIGEST_IE)
                               ^~~~~~~~~~~~~~~~~~~
In file included from Curl.xs:574:
./curlopt-constants.c:2146:48: warning: implicit conversion from 'unsi
+gned long' to 'int' changes value from 18446744073709551598 to -18 [-
+Wconstant-conversion]
            if (strEQ(name, "ANYSAFE")) return CURLAUTH_ANYSAFE;
                                        ~~~~~~ ^~~~~~~~~~~~~~~~
/usr/local/Cellar/curl/7.58.0/include/curl/curl.h:709:32: note: expand
+ed from macro 'CURLAUTH_ANYSAFE'
#define CURLAUTH_ANYSAFE      (~(CURLAUTH_BASIC|CURLAUTH_DIGEST_IE))
                               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Curl.xs:1100:26: warning: implicit conversion from enumeration type 'C
+URLINFO' to different enumeration type 'CURLoption' [-Wenum-conversio
+n]
                curl_easy_setopt(easy, CURLINFO_PRIVATE, NULL);
                ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
/usr/local/Cellar/curl/7.58.0/include/curl/curl.h:2744:68: note: expan
+ded from macro 'curl_easy_setopt'
#define curl_easy_setopt(handle,opt,param) curl_easy_setopt(handle,opt
+,param)
                                           ~~~~~~~~~~~~~~~~        ^~~
4 warnings and 2 errors generated.
make: *** [Curl.o] Error 1


[ERROR] Unable to create a new distribution object for 'WWW::Curl::Eas
+y' -- cannot continue

*** Install log written to:
  /Users/administrator/.cpanplus/install-logs/WWW-Curl-Easy-4.17-15182
+02859.log

Error installing 'WWW::Curl::Easy'
Problem installing one or more modules

ns3:linkrabbit administrator$

      [download]
      Rob, I'm not sure if I'm reading you right.. are you suggeting that I install WWW::Curl::Easy using brew? I'm not sure how to do that beyond: 
      brew install curl

      [download]

[reply]
[d/l]
[select]
        I tried compiling WWW::Curl::Easy by hand, but came across the same errors: 
        [ns3:~/src/WWW-Curl-4.17] administrator% perl Makefile.PL 
The version is libcurl 7.58.0
Found curl.h in /usr/local/Cellar/curl/7.58.0/include/curl/curl.h
In file included from /usr/local/Cellar/curl/7.58.0/include/curl/curl.
+h:38:
In file included from /usr/local/Cellar/curl/7.58.0/include/curl/syste
+m.h:405:
In file included from /usr/include/sys/socket.h:81:
In file included from /usr/include/Availability.h:190:
/usr/include/AvailabilityInternal.h:22938:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_12
         ^
/usr/include/AvailabilityInternal.h:22867:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_11_4
         ^
/usr/include/AvailabilityInternal.h:22800:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_11_3
         ^
/usr/include/AvailabilityInternal.h:22737:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_11_2
         ^
/usr/include/AvailabilityInternal.h:22678:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_11
         ^
/usr/include/AvailabilityInternal.h:22623:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_10_3
         ^
/usr/include/AvailabilityInternal.h:22572:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_10_2
         ^
/usr/include/AvailabilityInternal.h:22525:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_10
         ^
/usr/include/AvailabilityInternal.h:22482:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_9
         ^
/usr/include/AvailabilityInternal.h:22443:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_8
         ^
/usr/include/AvailabilityInternal.h:22408:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_7
         ^
/usr/include/AvailabilityInternal.h:22377:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_6
         ^
/usr/include/AvailabilityInternal.h:22350:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_5
         ^
/usr/include/AvailabilityInternal.h:22327:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_4
         ^
/usr/include/AvailabilityInternal.h:22308:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_3
         ^
/usr/include/AvailabilityInternal.h:22293:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_2
         ^
/usr/include/AvailabilityInternal.h:22282:10: error: unterminated cond
+itional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_1
         ^
/usr/include/AvailabilityInternal.h:30:2: error: unterminated conditio
+nal directive
#ifndef __AVAILABILITY_INTERNAL__
 ^
In file included from /usr/local/Cellar/curl/7.58.0/include/curl/curl.
+h:38:
In file included from /usr/local/Cellar/curl/7.58.0/include/curl/syste
+m.h:405:
In file included from /usr/include/sys/socket.h:81:
/usr/include/Availability.h:239:2: error: #else without #if
#else
 ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
Building curlopt-constants.c for your libcurl version
Building Easy.pm constants for your libcurl version
Building Share.pm constants for your libcurl version
Checking if your kit is complete...
Looks good
Generating a Unix-style Makefile
Writing Makefile for WWW::Curl
Writing MYMETA.yml and MYMETA.json
[ns3:~/src/WWW-Curl-4.17] administrator%

        [download]
        From what I can tell, this is an issue with the compiler... the reported missing "unterminated conditional directive" is actually there, but indented (seriously?!?! that's a problem?!)
        I went ahead and tried a make, but failed there too: 
        [ns3:~/src/WWW-Curl-4.17] administrator% make
cp lib/WWW/Curl/Share.pm blib/lib/WWW/Curl/Share.pm
cp lib/WWW/Curl.pm blib/lib/WWW/Curl.pm
cp lib/WWW/Curl/Multi.pm blib/lib/WWW/Curl/Multi.pm
cp lib/WWW/Curl/Easy.pm blib/lib/WWW/Curl/Easy.pm
cp lib/WWW/Curl/Form.pm blib/lib/WWW/Curl/Form.pm
Running Mkbootstrap for WWW::Curl ()
chmod 644 "Curl.bs"
"/Users/administrator/perl5/perlbrew/perls/perl-5.24.0/bin/perl" "-Iin
+c" "/Users/administrator/perl5/perlbrew/perls/perl-5.24.0/lib/5.24.0/
+ExtUtils/xsubpp"  -typemap "/Users/administrator/perl5/perlbrew/perls
+/perl-5.24.0/lib/5.24.0/ExtUtils/typemap" -typemap "typemap"  Curl.xs
+ > Curl.xsc && mv Curl.xsc Curl.c
cc -c  -I/usr/local/Cellar/curl/7.58.0/include -fno-common -DPERL_DARW
+IN -fno-strict-aliasing -pipe -fstack-protector-strong -I/usr/local/i
+nclude -DPERL_USE_SAFE_PUTENV -O3   -DVERSION=\"4.17\" -DXS_VERSION=\
+"4.17\"  "-I/Users/administrator/perl5/perlbrew/perls/perl-5.24.0/lib
+/5.24.0/darwin-2level/CORE"   Curl.c
In file included from Curl.xs:574:
./curlopt-constants.c:19:58: error: non-void function 'constant' shoul
+d return a value [-Wreturn-type]
            if (strEQ(name, "DID_MEMORY_FUNC_TYPEDEFS")) return CURL_D
+ID_MEMORY_FUNC_TYPEDEFS;
                                                         ^
./curlopt-constants.c:136:49: error: use of undeclared identifier 'CUR
+L_STRICTER'
            if (strEQ(name, "STRICTER")) return CURL_STRICTER;
                                                ^
./curlopt-constants.c:179:56: warning: implicit conversion from 'size_
+t' (aka 'unsigned long') to 'int' changes value from 1844674407370955
+1615 to -1 [-Wconstant-conversion]
            if (strEQ(name, "ZERO_TERMINATED")) return CURL_ZERO_TERMI
+NATED;
                                                ~~~~~~ ^~~~~~~~~~~~~~~
+~~~~~
/usr/local/Cellar/curl/7.58.0/include/curl/curl.h:1969:31: note: expan
+ded from macro 'CURL_ZERO_TERMINATED'
#define CURL_ZERO_TERMINATED ((size_t) -1)
                              ^~~~~~~~~~~
In file included from Curl.xs:574:
./curlopt-constants.c:2145:44: warning: implicit conversion from 'unsi
+gned long' to 'int' changes value from 18446744073709551599 to -17 [-
+Wconstant-conversion]
            if (strEQ(name, "ANY")) return CURLAUTH_ANY;
                                    ~~~~~~ ^~~~~~~~~~~~
/usr/local/Cellar/curl/7.58.0/include/curl/curl.h:708:32: note: expand
+ed from macro 'CURLAUTH_ANY'
#define CURLAUTH_ANY          (~CURLAUTH_DIGEST_IE)
                               ^~~~~~~~~~~~~~~~~~~
In file included from Curl.xs:574:
./curlopt-constants.c:2146:48: warning: implicit conversion from 'unsi
+gned long' to 'int' changes value from 18446744073709551598 to -18 [-
+Wconstant-conversion]
            if (strEQ(name, "ANYSAFE")) return CURLAUTH_ANYSAFE;
                                        ~~~~~~ ^~~~~~~~~~~~~~~~
/usr/local/Cellar/curl/7.58.0/include/curl/curl.h:709:32: note: expand
+ed from macro 'CURLAUTH_ANYSAFE'
#define CURLAUTH_ANYSAFE      (~(CURLAUTH_BASIC|CURLAUTH_DIGEST_IE))
                               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Curl.xs:1100:26: warning: implicit conversion from enumeration type 'C
+URLINFO' to different enumeration type 'CURLoption' [-Wenum-conversio
+n]
                curl_easy_setopt(easy, CURLINFO_PRIVATE, NULL);
                ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
/usr/local/Cellar/curl/7.58.0/include/curl/curl.h:2744:68: note: expan
+ded from macro 'curl_easy_setopt'
#define curl_easy_setopt(handle,opt,param) curl_easy_setopt(handle,opt
+,param)
                                           ~~~~~~~~~~~~~~~~        ^~~
4 warnings and 2 errors generated.
make: *** [Curl.o] Error 1
[ns3:~/src/WWW-Curl-4.17] administrator%

        [download]
        I'm completely dead in the water here. I've been trying to pull this off for over a year.

        FYI, I checked my versions of curl and perl, and verified that they are the ones I expected: 
        [ns3:~/src/WWW-Curl-4.17] administrator% which curl
/usr/local/opt/curl/bin/curl
[ns3:~/src/WWW-Curl-4.17] administrator% /usr/local/opt/curl/bin/curl 
+--version
curl 7.58.0 (x86_64-apple-darwin16.7.0) libcurl/7.58.0 SecureTransport
+ zlib/1.2.8
Release-Date: 2018-01-24
Protocols: dict file ftp ftps gopher http https imap imaps ldap ldaps 
+pop3 pop3s rtsp smb smbs smtp smtps telnet tftp 
Features: AsynchDNS IPv6 Largefile NTLM NTLM_WB SSL libz UnixSockets 

[ns3:~/src/WWW-Curl-4.17] administrator% which perl
/Users/administrator/perl5/perlbrew/perls/perl-5.24.0/bin/perl
[ns3:~/src/WWW-Curl-4.17] administrator%

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