X-Git-Url: https://ruderich.org/simon/gitweb/?p=coloredstderr%2Fcoloredstderr.git;a=blobdiff_plain;f=configure.ac;h=4b513c3366de705a4486ad6ef77f989e0c09fbb0;hp=ef95ae95025c420b98cb2d2a13e45e43f87bdb55;hb=045ca46e7929c27c3c408324aaae02499b1eae81;hpb=ba2283bd3780a13f26521c5c47deedfc7184ed7d

diff --git a/configure.ac b/configure.ac
index ef95ae9..4b513c3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -59,7 +59,7 @@ AC_CHECK_FUNCS([execvpe])
 dnl These are not in POSIX.
 AC_CHECK_FUNCS([fwrite_unlocked fputs_unlocked fputc_unlocked])
 dnl Internal functions in libc implementations which must be hooked.
-AC_CHECK_FUNCS([__overflow])
+AC_CHECK_FUNCS([__overflow __swbuf])
 
 dnl Thanks to gperftools' configure.ac (https://code.google.com/p/gperftools).
 AC_MSG_CHECKING([for __builtin_expect])