[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/system.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 conditional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_12
         ^
/usr/include/AvailabilityInternal.h:22867:10: error: unterminated conditional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_11_4
         ^
/usr/include/AvailabilityInternal.h:22800:10: error: unterminated conditional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_11_3
         ^
/usr/include/AvailabilityInternal.h:22737:10: error: unterminated conditional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_11_2
         ^
/usr/include/AvailabilityInternal.h:22678:10: error: unterminated conditional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_11
         ^
/usr/include/AvailabilityInternal.h:22623:10: error: unterminated conditional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_10_3
         ^
/usr/include/AvailabilityInternal.h:22572:10: error: unterminated conditional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_10_2
         ^
/usr/include/AvailabilityInternal.h:22525:10: error: unterminated conditional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_10
         ^
/usr/include/AvailabilityInternal.h:22482:10: error: unterminated conditional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_9
         ^
/usr/include/AvailabilityInternal.h:22443:10: error: unterminated conditional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_8
         ^
/usr/include/AvailabilityInternal.h:22408:10: error: unterminated conditional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_7
         ^
/usr/include/AvailabilityInternal.h:22377:10: error: unterminated conditional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_6
         ^
/usr/include/AvailabilityInternal.h:22350:10: error: unterminated conditional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_5
         ^
/usr/include/AvailabilityInternal.h:22327:10: error: unterminated conditional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_4
         ^
/usr/include/AvailabilityInternal.h:22308:10: error: unterminated conditional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_3
         ^
/usr/include/AvailabilityInternal.h:22293:10: error: unterminated conditional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_2
         ^
/usr/include/AvailabilityInternal.h:22282:10: error: unterminated conditional directive
        #if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_1
         ^
/usr/include/AvailabilityInternal.h:30:2: error: unterminated conditional 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/system.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%