build: check MSG_NOSIGNAL directly, drop detection and interim macro

Drop detecting it at configure time, along with the interim macro
`HAVE_MSG_NOSIGNAL`. There is no longer a reason for this workaround,
and allows to save the work at configure time and simplify.

Also say in a comment that `sys/socket.h` is defining this macro.

Follow-up to 77b3bc239d

Closes #20559
This commit is contained in:
Viktor Szakats 2026-02-11 04:10:00 +01:00
parent c05cd2a10e
commit 982ab7b53f
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9 changed files with 4 additions and 62 deletions

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@ -4127,7 +4127,6 @@ CURL_CHECK_FUNC_SELECT
CURL_CHECK_FUNC_RECV
CURL_CHECK_FUNC_SEND
CURL_CHECK_MSG_NOSIGNAL
CURL_CHECK_FUNC_ALARM
CURL_CHECK_FUNC_BASENAME