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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:11:47 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:11:47 +0000
commit758f820bcc0f68aeebac1717e537ca13a320b909 (patch)
tree48111ece75cf4f98316848b37a7e26356e00669e /m4/fdatasync.m4
parentInitial commit. (diff)
downloadcoreutils-758f820bcc0f68aeebac1717e537ca13a320b909.tar.xz
coreutils-758f820bcc0f68aeebac1717e537ca13a320b909.zip
Adding upstream version 9.1.upstream/9.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'm4/fdatasync.m4')
-rw-r--r--m4/fdatasync.m444
1 files changed, 44 insertions, 0 deletions
diff --git a/m4/fdatasync.m4 b/m4/fdatasync.m4
new file mode 100644
index 0000000..9ee3294
--- /dev/null
+++ b/m4/fdatasync.m4
@@ -0,0 +1,44 @@
+# fdatasync.m4 serial 5
+dnl Copyright (C) 2008-2022 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])
+ AC_REQUIRE([AC_CANONICAL_HOST])
+
+ 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 $ac_cv_func_fdatasync = no; then
+ HAVE_FDATASYNC=0
+ fi
+ else
+ case "$host_os" in
+ solaris*)
+ 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
+ ;;
+ *)
+ dnl Android 4.3 does not have fdatasync but declares it.
+ AC_CHECK_FUNCS([fdatasync])
+ if test $ac_cv_func_fdatasync = no; then
+ HAVE_FDATASYNC=0
+ fi
+ ;;
+ esac
+ fi
+])