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-rw-r--r--src/include/pg_config.h.in3
-rw-r--r--src/include/port.h4
2 files changed, 0 insertions, 7 deletions
diff --git a/src/include/pg_config.h.in b/src/include/pg_config.h.in
index 529fb84a86c..86d0b1941bb 100644
--- a/src/include/pg_config.h.in
+++ b/src/include/pg_config.h.in
@@ -191,9 +191,6 @@
/* Define to 1 if you have the `fdatasync' function. */
#undef HAVE_FDATASYNC
-/* Define to 1 if you have the `fls' function. */
-#undef HAVE_FLS
-
/* Define to 1 if fseeko (and presumably ftello) exists and is declared. */
#undef HAVE_FSEEKO
diff --git a/src/include/port.h b/src/include/port.h
index e647f62b779..d39b04141f9 100644
--- a/src/include/port.h
+++ b/src/include/port.h
@@ -366,10 +366,6 @@ extern int gettimeofday(struct timeval *tp, struct timezone *tzp);
#define pgoff_t off_t
#endif
-#ifndef HAVE_FLS
-extern int fls(int mask);
-#endif
-
#ifndef HAVE_GETPEEREID
/* On Windows, Perl might have incompatible definitions of uid_t and gid_t. */
#ifndef PLPERL_HAVE_UID_GID