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-rw-r--r--m4/fdatasync.m432
1 files changed, 0 insertions, 32 deletions
diff --git a/m4/fdatasync.m4 b/m4/fdatasync.m4
deleted file mode 100644
index c2ea85e4dfd..00000000000
--- a/m4/fdatasync.m4
+++ /dev/null
@@ -1,32 +0,0 @@
-# fdatasync.m4 serial 4
-dnl Copyright (C) 2008-2019 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-AC_DEFUN([gl_FUNC_FDATASYNC],
-[
- AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
-
- dnl Using AC_CHECK_FUNCS_ONCE would break our subsequent AC_SEARCH_LIBS
- AC_CHECK_DECLS_ONCE([fdatasync])
- LIB_FDATASYNC=
- AC_SUBST([LIB_FDATASYNC])
-
- if test $ac_cv_have_decl_fdatasync = no; then
- HAVE_DECL_FDATASYNC=0
- dnl Mac OS X 10.7 has fdatasync but does not declare it.
- AC_CHECK_FUNCS([fdatasync])
- if test $ac_cv_func_fdatasync = no; then
- HAVE_FDATASYNC=0
- fi
- else
- dnl Solaris <= 2.6 has fdatasync() in libposix4.
- dnl Solaris 7..10 has it in librt.
- gl_saved_libs=$LIBS
- AC_SEARCH_LIBS([fdatasync], [rt posix4],
- [test "$ac_cv_search_fdatasync" = "none required" ||
- LIB_FDATASYNC=$ac_cv_search_fdatasync])
- LIBS=$gl_saved_libs
- fi
-])