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[COMMITTED] Sync top-level with GCC

Sam James sam@gentoo.org
Mon Nov 3 09:54:09 GMT 2025 
This just brings in the following two changes:

commit 04df8fa9e73e612f978fff35a97841703b872f6c
Author:     Thomas Schwinge <tschwinge@baylibre.com>
AuthorDate: Tue Oct 21 09:46:32 2025 +0200
Commit:     Thomas Schwinge <tschwinge@baylibre.com>
CommitDate: Fri Oct 24 12:40:22 2025 +0200

    Simplify 'Makefile' dependencies for libatomic [PR81358]

    ...

commit e63cf4b130b86dd7dde1bf499d3d40faca10ea2e
Author:     Prathamesh Kulkarni <prathameshk@nvidia.com>
AuthorDate: Thu Oct 9 07:07:24 2025 +0000
Commit:     Prathamesh Kulkarni <prathameshk@nvidia.com>
CommitDate: Thu Oct 9 07:26:51 2025 +0000

    PR81358: Enable automatic linking of libatomic.

    ...

ChangeLog:

	* Makefile.def: Sync with GCC.
	* configure.ac: Ditto.
	* configure: Regenerate.
---
 Makefile.def | 11 ++++++-----
 configure    |  5 +++++
 configure.ac |  5 +++++
 3 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/Makefile.def b/Makefile.def
index e5b95d7f705..e7f33345aa8 100644
--- a/Makefile.def
+++ b/Makefile.def
@@ -650,14 +650,15 @@ dependencies = { module=all-m4; on=all-build-texinfo; };
 // on libgcc and newlib/libgloss.
 lang_env_dependencies = { module=libitm; cxx=true; };
 lang_env_dependencies = { module=libffi; cxx=true; };
-lang_env_dependencies = { module=newlib; no_c=true; };
-lang_env_dependencies = { module=libgloss; no_c=true; };
-lang_env_dependencies = { module=libgcc; no_gcc=true; no_c=true; };
+lang_env_dependencies = { module=newlib; no_c=true; no_atomic=true; };
+lang_env_dependencies = { module=libgloss; no_c=true; no_atomic=true; };
+lang_env_dependencies = { module=libgcc; no_gcc=true; no_c=true; no_atomic=true; };
 // libiberty does not depend on newlib or libgloss because it must be
 // built newlib on some targets (e.g. Cygwin).  It still needs
 // a dependency on libgcc for native targets to configure.
-lang_env_dependencies = { module=libiberty; no_c=true; };
-lang_env_dependencies = { module=libgcobol; cxx=true; };
+lang_env_dependencies = { module=libiberty; no_c=true; no_atomic=true; };
+lang_env_dependencies = { module=libgcobol; cxx=true; no_atomic=true; };
+lang_env_dependencies = { module=libatomic; no_atomic=true; };
 
 dependencies = { module=configure-target-fastjar; on=configure-target-zlib; };
 dependencies = { module=all-target-fastjar; on=all-target-zlib; };
diff --git a/configure b/configure
index 673c6728604..2551fe02752 100755
--- a/configure
+++ b/configure
@@ -11075,6 +11075,11 @@ if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
   bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
 fi
 
+# If we are building libatomic, bootstrap it.
+if echo " ${target_configdirs} " | grep " libatomic " > /dev/null 2>&1 ; then
+  bootstrap_target_libs=${bootstrap_target_libs}target-libatomic,
+fi
+
 # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
 # or bootstrap-ubsan, bootstrap it.
 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
diff --git a/configure.ac b/configure.ac
index 2996a124206..94321ffd20a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3251,6 +3251,11 @@ if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
   bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
 fi
 
+# If we are building libatomic, bootstrap it.
+if echo " ${target_configdirs} " | grep " libatomic " > /dev/null 2>&1 ; then
+  bootstrap_target_libs=${bootstrap_target_libs}target-libatomic,
+fi
+
 # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
 # or bootstrap-ubsan, bootstrap it.
 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then

base-commit: ef442f8e7f1db571d0a6a1ea0c01e8debb0ea4e7
-- 
2.51.2
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