[Slackbuilds-users] Can't build VirtualBox 6.1.50

[Luveh Keraph]

   Thanks. I was wondering though whether there is something broken in the
VirtualBox build scripts in Slackbuilds.org.

On Thu, Oct 16, 2025 at 3:18 PM Fernando Lopez <fernando.lopezjr at gmail.com>
wrote:

> I usually download the installer from oracle, try it out.
>
>
> ------------
> Regards,
>     Fernando Lopez Jr.
>
> On Thu, Oct 16, 2025, 5:08 PM Luveh Keraph <1.41421 at gmail.com> wrote:
>
>> This is a 15.0 freshly installed, and with all the current updates, which
>> include kernel 5.15.193, using the scripts for the purpose as obtained from
>> slackbuilds.org. Anybody know how to fix this:
>>
>> /tmp/SBo/VirtualBox-6.1.50/src/VBox/Runtime/generic/http-curl.cpp: In
>> function ‘int RTHttpSetProxy(RTHTTP, const char*, uint32_t, const char*,
>> const char*)’:
>> /tmp/SBo/VirtualBox-6.1.50/src/VBox/Runtime/generic/http-curl.cpp:2058:43:
>> error: invalid conversion from ‘long int’ to ‘curl_proxytype’ [-fpermissive]
>>  2058 |     return rtHttpUpdateProxyConfig(pThis, CURLPROXY_HTTP,
>> pcszProxy, uPort ? uPort : 1080, pcszProxyUser, pcszProxyPwd);
>>       |                                           ^~~~~~~~~~~~~~
>>       |                                           |
>>       |                                           long int
>> /tmp/SBo/VirtualBox-6.1.50/src/VBox/Runtime/generic/http-curl.cpp:577:74:
>> note:   initializing argument 2 of ‘int
>> rtHttpUpdateProxyConfig(PRTHTTPINTERNAL, curl_proxytype, const char*,
>> uint32_t, const char*, const char*)’
>>   577 | static int rtHttpUpdateProxyConfig(PRTHTTPINTERNAL pThis,
>> curl_proxytype enmProxyType, const char *pszHost,
>>       |
>> ~~~~~~~~~~~~~~~^~~~~~~~~~~~
>> /tmp/SBo/VirtualBox-6.1.50/src/VBox/Runtime/generic/http-curl.cpp: In
>> function ‘int RTHttpQueryProxyInfoForUrl(RTHTTP, const char*,
>> PRTHTTPPROXYINFO)’:
>> /tmp/SBo/VirtualBox-6.1.50/src/VBox/Runtime/generic/http-curl.cpp:3569:17:
>> warning: case value ‘0’ not in enumerated type ‘curl_proxytype’ [-Wswitch]
>>  3569 |                 case CURLPROXY_HTTP:
>>       |                 ^~~~
>> /tmp/SBo/VirtualBox-6.1.50/src/VBox/Runtime/generic/http-curl.cpp:3572:17:
>> warning: case value ‘1’ not in enumerated type ‘curl_proxytype’ [-Wswitch]
>>  3572 |                 case CURLPROXY_HTTP_1_0:
>>       |                 ^~~~
>> /tmp/SBo/VirtualBox-6.1.50/src/VBox/Runtime/generic/http-curl.cpp:3579:17:
>> warning: case value ‘2’ not in enumerated type ‘curl_proxytype’ [-Wswitch]
>>  3579 |                 case CURLPROXY_HTTPS:
>>       |                 ^~~~
>> /tmp/SBo/VirtualBox-6.1.50/src/VBox/Runtime/generic/http-curl.cpp:3584:17:
>> warning: case value ‘4’ not in enumerated type ‘curl_proxytype’ [-Wswitch]
>>  3584 |                 case CURLPROXY_SOCKS4:
>>       |                 ^~~~
>> /tmp/SBo/VirtualBox-6.1.50/src/VBox/Runtime/generic/http-curl.cpp:3588:17:
>> warning: case value ‘5’ not in enumerated type ‘curl_proxytype’ [-Wswitch]
>>  3588 |                 case CURLPROXY_SOCKS5:
>>       |                 ^~~~
>> /tmp/SBo/VirtualBox-6.1.50/src/VBox/Runtime/generic/http-curl.cpp:3585:17:
>> warning: case value ‘6’ not in enumerated type ‘curl_proxytype’ [-Wswitch]
>>  3585 |                 case CURLPROXY_SOCKS4A:
>>       |                 ^~~~
>> /tmp/SBo/VirtualBox-6.1.50/src/VBox/Runtime/generic/http-curl.cpp:3589:17:
>> warning: case value ‘7’ not in enumerated type ‘curl_proxytype’ [-Wswitch]
>>  3589 |                 case CURLPROXY_SOCKS5_HOSTNAME:
>>       |                 ^~~~
>> kmk: ***
>> [/tmp/SBo/VirtualBox-6.1.50/kBuild/footer-pass2-compiling-targets.kmk:277:
>> /tmp/SBo/VirtualBox-6.1.50/out/linux.amd64/release/obj/VBoxRT/generic/http-curl.o]
>> Error 1
>> kmk: *** Waiting for unfinished jobs....
>>   CXX     VBoxRT - {C}/src/VBox/Runtime/common/misc/s3.cpp
>>   CXX     VBoxRT -
>> {C}/src/VBox/Runtime/common/rest/rest-primary-object-types.cpp
>> kmk: *** Exiting with status 2
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