Update to FreeBSD libm r336523.
This includes an ld128 powl, plus the clog* and cpow* families.
Also teach the NOTICE generator to strip SPDX-License-Identifier lines.
Bug: N/A
Test: ran tests
Change-Id: Ic8289d1253666a19468a4088884cf7540f1ec66d
diff --git a/libm/upstream-freebsd/lib/msun/bsdsrc/b_exp.c b/libm/upstream-freebsd/lib/msun/bsdsrc/b_exp.c
index 4400992..febc1ad 100644
--- a/libm/upstream-freebsd/lib/msun/bsdsrc/b_exp.c
+++ b/libm/upstream-freebsd/lib/msun/bsdsrc/b_exp.c
@@ -1,4 +1,6 @@
-/*
+/*-
+ * SPDX-License-Identifier: BSD-4-Clause
+ *
* Copyright (c) 1985, 1993
* The Regents of the University of California. All rights reserved.
*
@@ -33,7 +35,7 @@
/* @(#)exp.c 8.1 (Berkeley) 6/4/93 */
#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
+__FBSDID("$FreeBSD: head/lib/msun/bsdsrc/b_exp.c 325966 2017-11-18 14:26:50Z pfg $");
/* EXP(X)
diff --git a/libm/upstream-freebsd/lib/msun/bsdsrc/b_log.c b/libm/upstream-freebsd/lib/msun/bsdsrc/b_log.c
index 5a4b964..8102226 100644
--- a/libm/upstream-freebsd/lib/msun/bsdsrc/b_log.c
+++ b/libm/upstream-freebsd/lib/msun/bsdsrc/b_log.c
@@ -1,4 +1,6 @@
-/*
+/*-
+ * SPDX-License-Identifier: BSD-4-Clause
+ *
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
@@ -33,10 +35,9 @@
/* @(#)log.c 8.2 (Berkeley) 11/30/93 */
#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
+__FBSDID("$FreeBSD: head/lib/msun/bsdsrc/b_log.c 326670 2017-12-07 20:41:23Z dim $");
#include <math.h>
-#include <errno.h>
#include "mathimpl.h"
diff --git a/libm/upstream-freebsd/lib/msun/bsdsrc/b_tgamma.c b/libm/upstream-freebsd/lib/msun/bsdsrc/b_tgamma.c
index 1d0af44..e530649 100644
--- a/libm/upstream-freebsd/lib/msun/bsdsrc/b_tgamma.c
+++ b/libm/upstream-freebsd/lib/msun/bsdsrc/b_tgamma.c
@@ -1,4 +1,6 @@
/*-
+ * SPDX-License-Identifier: BSD-4-Clause
+ *
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
@@ -33,7 +35,7 @@
/* @(#)gamma.c 8.1 (Berkeley) 6/4/93 */
#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
+__FBSDID("$FreeBSD: head/lib/msun/bsdsrc/b_tgamma.c 325966 2017-11-18 14:26:50Z pfg $");
/*
* This code by P. McIlroy, Oct 1992;
diff --git a/libm/upstream-freebsd/lib/msun/bsdsrc/mathimpl.h b/libm/upstream-freebsd/lib/msun/bsdsrc/mathimpl.h
index 04a4b6e..e38ea4f 100644
--- a/libm/upstream-freebsd/lib/msun/bsdsrc/mathimpl.h
+++ b/libm/upstream-freebsd/lib/msun/bsdsrc/mathimpl.h
@@ -1,4 +1,6 @@
-/*
+/*-
+ * SPDX-License-Identifier: BSD-4-Clause
+ *
* Copyright (c) 1988, 1993
* The Regents of the University of California. All rights reserved.
*
@@ -31,7 +33,7 @@
* SUCH DAMAGE.
*
* @(#)mathimpl.h 8.1 (Berkeley) 6/4/93
- * $FreeBSD$
+ * $FreeBSD: head/lib/msun/bsdsrc/mathimpl.h 325966 2017-11-18 14:26:50Z pfg $
*/
#ifndef _MATHIMPL_H_