From: Viktor Szakats <commit@vsz.me>
Date: Thu, 5 Feb 2026 21:10:03 +0000 (+0100)
Subject: lib518, 537: drop `#error` on unlikely/impossible build condition
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0495425c69a7dc58766f149896b040c02926dbc9;p=thirdparty%2Fcurl.git

lib518, 537: drop `#error` on unlikely/impossible build condition

`FD_SETSIZE` is used in core code and expected to be present.

Closes #20530
---

diff --git a/tests/libtest/lib518.c b/tests/libtest/lib518.c
index 3a0b3b9537..5c50ca5cbf 100644
--- a/tests/libtest/lib518.c
+++ b/tests/libtest/lib518.c
@@ -25,10 +25,6 @@
 
 #include "testutil.h"
 
-#ifndef FD_SETSIZE
-#error "this test requires FD_SETSIZE"
-#endif
-
 #define T518_SAFETY_MARGIN 16
 
 #define NUM_OPEN   (FD_SETSIZE + 10)
@@ -345,7 +341,6 @@ static int t518_test_rlimit(int keep_open)
   curl_mfprintf(stderr, "%s file descriptors open\n", strbuff);
 
 #if !defined(HAVE_POLL) && !defined(USE_WINSOCK)
-
   /*
    * when using select() instead of poll() we cannot test
    * libcurl functionality with a socket number equal or
@@ -383,8 +378,7 @@ static int t518_test_rlimit(int keep_open)
       return -11;
     }
   }
-
-#endif /* using an FD_SETSIZE bound select() */
+#endif /* !HAVE_POLL && !USE_WINSOCK */
 
   /*
    * Old or 'backwards compatible' implementations of stdio do not allow
diff --git a/tests/libtest/lib537.c b/tests/libtest/lib537.c
index 23e0e5c3e9..82b92a02ad 100644
--- a/tests/libtest/lib537.c
+++ b/tests/libtest/lib537.c
@@ -25,10 +25,6 @@
 
 #include "testutil.h"
 
-#if !defined(HAVE_POLL) && !defined(USE_WINSOCK) && !defined(FD_SETSIZE)
-#error "this test requires FD_SETSIZE"
-#endif
-
 #define T537_SAFETY_MARGIN 11
 
 #if defined(_WIN32) || defined(MSDOS)
@@ -360,7 +356,6 @@ static int t537_test_rlimit(int keep_open)
   curl_mfprintf(stderr, "%s file descriptors open\n", strbuff);
 
 #if !defined(HAVE_POLL) && !defined(USE_WINSOCK)
-
   /*
    * when using select() instead of poll() we cannot test
    * libcurl functionality with a socket number equal or
@@ -398,8 +393,7 @@ static int t537_test_rlimit(int keep_open)
       return -9;
     }
   }
-
-#endif /* using an FD_SETSIZE bound select() */
+#endif /* !HAVE_POLL && !USE_WINSOCK */
 
   /*
    * Old or 'backwards compatible' implementations of stdio do not allow