[...]

Looks good
Generating a Unix-style Makefile
Writing Makefile for WWW::Curl
Writing MYMETA.yml and MYMETA.json
+ /usr/bin/make -j4 'CC=x86_64-tld-linux-gcc' 'LD=x86_64-tld-linux-gcc' 'OPTIMIZE=-O2 -fwrapv -pipe -Wformat -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector --param=ssp-buffer-size=4 -fPIC -march=x86-64 ' 'OTHERLDFLAGS=-Wl,--as-needed -Wl,--no-copy-dt-needed-entries -Wl,-z,relro -Wl,-z,combreloc '
Running Mkbootstrap for Curl ()
"/usr/bin/perl5.30.2" "-Iinc" "/usr/share/perl5/5.30.2/ExtUtils/xsubpp"  -typemap '/usr/share/perl5/5.30.2/ExtUtils/typemap' -typemap '/tmp/B.o5ZTsi/BUILD/WWW-Curl-4.17/typemap'  Curl.xs > Curl.xsc
chmod 644 "Curl.bs"
cp lib/WWW/Curl.pm blib/lib/WWW/Curl.pm
cp lib/WWW/Curl/Form.pm blib/lib/WWW/Curl/Form.pm
cp lib/WWW/Curl/Easy.pm blib/lib/WWW/Curl/Easy.pm
cp lib/WWW/Curl/Multi.pm blib/lib/WWW/Curl/Multi.pm
cp lib/WWW/Curl/Share.pm blib/lib/WWW/Curl/Share.pm
"/usr/bin/perl5.30.2" "-Iinc" -MExtUtils::Command::MM -e 'cp_nonempty' -- Curl.bs blib/arch/auto/WWW/Curl/Curl.bs 644
mv Curl.xsc Curl.c
x86_64-tld-linux-gcc -c  -I/usr/include -D_REENTRANT -D_GNU_SOURCE -fwrapv -fno-strict-aliasing -pipe -fstack-protector-strong -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -fwrapv -pipe -Wformat -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector --param=ssp-buffer-size=4 -fPIC -march=x86-64    -DVERSION=\"4.17\" -DXS_VERSION=\"4.17\" -fPIC "-I/usr/lib64/perl5/5.30.2/x86_64-tld-linux-thread-multi/CORE"   Curl.c
In file included from Curl.xs:578:
curlopt-constants.c: In function 'constant':
curlopt-constants.c:183:46: error: 'CURL_WIN32' undeclared (first use in this function); did you mean 'CURLINFO'?
  183 |             if (strEQ(name, "WIN32")) return CURL_WIN32;
      |                                              ^~~~~~~~~~
      |                                              CURLINFO
curlopt-constants.c:183:46: note: each undeclared identifier is reported only once for each function it appears in
curlopt-constants.c:189:56: warning: overflow in conversion from 'long unsigned int' to 'int' changes value from '18446744073709551615' to '-1' [-Woverflow]
  189 |             if (strEQ(name, "ZERO_TERMINATED")) return CURL_ZERO_TERMINATED;
      |                                                        ^~~~~~~~~~~~~~~~~~~~
curlopt-constants.c:2308:44: warning: overflow in conversion from 'long unsigned int' to 'int' changes value from '18446744073709551599' to '-17' [-Woverflow]
 2308 |             if (strEQ(name, "ANY")) return CURLAUTH_ANY;
      |                                            ^~~~~~~~~~~~
curlopt-constants.c:2309:48: warning: overflow in conversion from 'long unsigned int' to 'int' changes value from '18446744073709551598' to '-18' [-Woverflow]
 2309 |             if (strEQ(name, "ANYSAFE")) return CURLAUTH_ANYSAFE;
      |                                                ^~~~~~~~~~~~~~~~
curlopt-constants.c:2403:48: error: 'CURLOPT' undeclared (first use in this function)
 2403 |             if (strEQ(name, "CURLOPT")) return CURLOPT;
      |                                                ^~~~~~~
make: *** [Makefile:347: Curl.o] Error 1
error: Bad exit status from /tmp/B.o5ZTsi/BUILD/tmp/rpm-tmp.71741 (%build)
RPM build errors:
    Bad exit status from /tmp/B.o5ZTsi/BUILD/tmp/rpm-tmp.71741 (%build)
ended at: Wed Apr 29 21:14:29 2020, done in 0:00:01.325954
error: No files produced.
+ chmod -R u+rwX /tmp/B.o5ZTsi/BUILD
+ rm -rf /tmp/B.o5ZTsi/tmp /tmp/B.o5ZTsi/BUILD
+ rm -rf /tmp/B.o5ZTsi
Begin-TLD-Builder-Info
Build-Time: user:3.47s sys:1.01s real:8.08s (faults io:0 non-io:179794)
End-TLD-Builder-Info