As outlined in the PR, libatomic was not honoring --disable-dependency-
tracking. The trivial patch from Richard Purdie attached to the BZ
fixes the problem.
Applied to the trunk,
Jeff
commit d6f420d98126ac51396b89fbe287a32287cd92ed
Author: Richarde Purdie <rpur...@rpsys.net>
Date: Sat Feb 22 10:13:13 2020 -0500
Honor --disable-dependency-tracking in libatomic
PR other/55930
* Makefile.am (M_DEPS): Honor -disable-dependency-tracking.
* Makefile.in: Regenerated.
diff --git a/libatomic/ChangeLog b/libatomic/ChangeLog
index 4aeaadb189c..d38961409cd 100644
--- a/libatomic/ChangeLog
+++ b/libatomic/ChangeLog
@@ -1,3 +1,9 @@
+2020-02-22 Richard Purdie <rpur...@rpsys.net>
+
+ PR other/55930
+ * Makefile.am (M_DEPS): Honor -disable-dependency-tracking.
+ * Makefile.in: Regenerated.
+
2020-01-24 Maciej W. Rozycki <ma...@wdc.com>
* configure.ac: Handle `--with-toolexeclibdir='.
diff --git a/libatomic/Makefile.am b/libatomic/Makefile.am
index 61e449a3404..46a060a6267 100644
--- a/libatomic/Makefile.am
+++ b/libatomic/Makefile.am
@@ -101,7 +101,9 @@ PAT_S = $(word 3,$(PAT_SPLIT))
IFUNC_DEF = -DIFUNC_ALT=$(PAT_S)
IFUNC_OPT = $(word $(PAT_S),$(IFUNC_OPTIONS))
-M_DEPS = -MT $@ -MD -MP -MF $(DEPDIR)/$(@F).Ppo
+@AMDEP_TRUE@M_DEPS = -MT $@ -MD -MP -MF $(DEPDIR)/$(@F).Ppo
+@AMDEP_TRUE@M_DEPS =
+
M_SIZE = -DN=$(PAT_N)
M_IFUNC = $(if $(PAT_S),$(IFUNC_DEF) $(IFUNC_OPT))
M_FILE = $(PAT_BASE)_n.c
diff --git a/libatomic/Makefile.in b/libatomic/Makefile.in
index acf8839a919..935762e9dbd 100644
--- a/libatomic/Makefile.in
+++ b/libatomic/Makefile.in
@@ -415,7 +415,8 @@ PAT_N = $(word 2,$(PAT_SPLIT))
PAT_S = $(word 3,$(PAT_SPLIT))
IFUNC_DEF = -DIFUNC_ALT=$(PAT_S)
IFUNC_OPT = $(word $(PAT_S),$(IFUNC_OPTIONS))
-M_DEPS = -MT $@ -MD -MP -MF $(DEPDIR)/$(@F).Ppo
+@AMDEP_TRUE@M_DEPS = -MT $@ -MD -MP -MF $(DEPDIR)/$(@F).Ppo
+@AMDEP_FALSE@M_DEPS =
M_SIZE = -DN=$(PAT_N)
M_IFUNC = $(if $(PAT_S),$(IFUNC_DEF) $(IFUNC_OPT))
M_FILE = $(PAT_BASE)_n.c
