--- meson.build.orig	2026-07-26 09:58:12.000000000 +0000
+++ meson.build	2026-07-27 00:33:05.299286000 +0000
@@ -1160,7 +1160,7 @@
     conf_data.set('HAVE_ICONV', 1)
 endif
 
-if conf_data.get('CONFIG_OS_DOS') or compiler.has_function('alloca', prefix: '#include <alloca.h>')
+if conf_data.get('CONFIG_OS_DOS') or compiler.has_function('alloca', prefix: '#include <stdlib.h>')
     conf_data.set('HAVE_ALLOCA', 1)
 endif
 
@@ -1181,7 +1181,7 @@
     conf_data.set('HAVE_GNUTLS_CERTIFICATE_SET_X509_SYSTEM_TRUST', 1)
 endif
 
-if compiler.has_function('mkstemps', prefix: '#include <stdlib.h>', args: '-D_GNU_SOURCE')
+if compiler.has_function('mkstemps', prefix: '#include <unistd.h>')
     conf_data.set('HAVE_MKSTEMPS', 1)
 endif