diff -Naur a/src/corelib/configure.json b/src/corelib/configure.json
--- a/src/corelib/configure.json	2021-08-11 11:36:05.723388182 +0800
+++ b/src/corelib/configure.json	2021-08-11 15:39:10.355265884 +0800
@@ -285,6 +285,7 @@
             "label": "O_CLOEXEC",
             "type": "compile",
             "test": {
+		"qmake": "QMAKE_LFLAGS += -Wl,--fatal-warnings",
                 "head": "#define _GNU_SOURCE 1",
                 "include": [ "sys/types.h", "sys/socket.h", "fcntl.h", "unistd.h" ],
                 "main": [
@@ -340,6 +341,7 @@
                 "include": "sys/stat.h",
                 "main": "futimens(-1, 0);",
                 "qmake": [
+		    "QMAKE_LFLAGS += -Wl,--fatal-warnings",
                     "# Block futimens() on Apple platforms unless it's available on ALL",
                     "# deployment targets. This simplifies the logic at the call site",
                     "# dramatically, as it isn't strictly needed compared to futimes().",
@@ -367,6 +369,7 @@
             "label": "getentropy()",
             "type": "compile",
             "test": {
+		"qmake": "QMAKE_LFLAGS += -Wl,--fatal-warnings",
                 "include": "unistd.h",
                 "main": [
                     "char buf[32];",