6 files changed, 56 insertions, 2 deletions
diff --git a/libatomic/Makefile.am b/libatomic/Makefile.am
index 133fbbca77e..f169d505227 100644
--- a/libatomic/Makefile.am
+++ b/libatomic/Makefile.am
@@ -153,4 +153,9 @@ libatomic_convenience_la_LIBADD = $(libatomic_la_LIBADD)
 all-multi: $(libatomic_la_LIBADD)
 	$(MULTIDO) $(AM_MAKEFLAGS) DO=all multi-do # $(MAKE)
 
+# target overrides
+ifneq ($(tmake_file),)
+include $(tmake_file)
+endif
+
 include $(top_srcdir)/../multilib.am
diff --git a/libatomic/Makefile.in b/libatomic/Makefile.in
index a51807e95c9..e8d47f28364 100644
--- a/libatomic/Makefile.in
+++ b/libatomic/Makefile.in
@@ -376,6 +376,7 @@ target_alias = @target_alias@
 target_cpu = @target_cpu@
 target_os = @target_os@
 target_vendor = @target_vendor@
+tmake_file = @tmake_file@
 toolexecdir = @toolexecdir@
 toolexeclibdir = @toolexeclibdir@
 top_build_prefix = @top_build_prefix@
@@ -862,6 +863,11 @@ vpath % $(strip $(search_path))
 all-multi: $(libatomic_la_LIBADD)
 	$(MULTIDO) $(AM_MAKEFLAGS) DO=all multi-do # $(MAKE)
 
+# target overrides
+ifneq ($(tmake_file),)
+include $(tmake_file)
+endif
+
 # GNU Make needs to see an explicit $(MAKE) variable in the command it
 # runs to enable its job server during parallel builds.  Hence the
 # comments below.
diff --git a/libatomic/config/t-aix b/libatomic/config/t-aix
new file mode 100644
index 00000000000..53c2d83242f
--- /dev/null
+++ b/libatomic/config/t-aix
@@ -0,0 +1,10 @@
+ifeq ($(MULTIBUILDTOP),)
+BITS=$(shell if test -z "`ar -X64 t .libs/$(PACKAGE).a`" ; then \
+    echo '64'; else echo '32'; fi)
+#MAJOR=$(firstword $(subst :, ,$(libtool_VERSION)))
+MAJOR=1
+all-local:
+	ar -X$(BITS) rc .libs/$(PACKAGE).a ../ppc$(BITS)/$(PACKAGE)/.libs/$(PACKAGE).so.$(MAJOR)
+	ar -X$(BITS) rc ../pthread/$(PACKAGE)/.libs/$(PACKAGE).a ../pthread/ppc$(BITS)/$(PACKAGE)/.libs/$(PACKAGE).so.$(MAJOR)
+endif
+
diff --git a/libatomic/configure b/libatomic/configure
index b441636c85b..2acaffe441a 100755
--- a/libatomic/configure
+++ b/libatomic/configure
@@ -643,6 +643,7 @@ ARCH_AARCH64_LINUX_FALSE
 ARCH_AARCH64_LINUX_TRUE
 HAVE_IFUNC_FALSE
 HAVE_IFUNC_TRUE
+tmake_file
 SIZES
 XLDFLAGS
 XCFLAGS
@@ -11387,7 +11388,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11390 "configure"
+#line 11391 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11493,7 +11494,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11496 "configure"
+#line 11497 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -15668,6 +15669,19 @@ XCFLAGS="$XCFLAGS $XPCFLAGS"
 
 
 
+# Conditionalize the makefile for this target machine.
+tmake_file_=
+for f in ${tmake_file}
+do
+	if test -f ${srcdir}/config/$f
+	then
+		tmake_file_="${tmake_file_} \$(srcdir)/config/$f"
+	fi
+done
+tmake_file="${tmake_file_}"
+
+
+
  if test x$libat_cv_have_ifunc = xyes; then
   HAVE_IFUNC_TRUE=
   HAVE_IFUNC_FALSE='#'
diff --git a/libatomic/configure.ac b/libatomic/configure.ac
index 7ac8911c342..d74bd7c4c18 100644
--- a/libatomic/configure.ac
+++ b/libatomic/configure.ac
@@ -268,6 +268,19 @@ AC_SUBST(XLDFLAGS)
 AC_SUBST(LIBS)
 AC_SUBST(SIZES)
 
+# Conditionalize the makefile for this target machine.
+tmake_file_=
+for f in ${tmake_file}
+do
+	if test -f ${srcdir}/config/$f
+	then
+		tmake_file_="${tmake_file_} \$(srcdir)/config/$f"
+	fi
+done
+tmake_file="${tmake_file_}"
+AC_SUBST(tmake_file)
+
+
 AM_CONDITIONAL(HAVE_IFUNC, test x$libat_cv_have_ifunc = xyes)
 AM_CONDITIONAL(ARCH_AARCH64_LINUX,
 	       [expr "$config_path" : ".* linux/aarch64 .*" > /dev/null])
diff --git a/libatomic/configure.tgt b/libatomic/configure.tgt
index 5dd0926d207..efb3b1efb68 100644
--- a/libatomic/configure.tgt
+++ b/libatomic/configure.tgt
@@ -117,6 +117,7 @@ if test -d ${srcdir}/config/$ARCH ; then
   config_path="$ARCH"
 fi
 
+tmake_file=
 # Other system configury
 case "${target}" in
   aarch64*-*-linux*)
@@ -134,6 +135,11 @@ case "${target}" in
 	config_path="${config_path} s390 posix"
 	;;
 
+  powerpc*-*-aix*)
+	config_path="${config_path} posix"
+	tmake_file="t-aix"
+	;;
+
   *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu \
   | *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly* \
   | *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11* \