From e75d110c68709c0a20c0b32a7c6022f108bed94d Mon Sep 17 00:00:00 2001
From: Alexandre Oliva <aoliva@redhat.com>
Date: Tue, 8 Jun 2004 05:32:51 +0000
Subject: [PATCH] * Makefile.in (check//%): New.

---
 gdb/ChangeLog   |  4 ++--
 gdb/Makefile.in | 28 ++++++++++++++++++++++++++++
 2 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index d5d80d7ae9..501ec4b3d3 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,7 @@
 2004-06-08  Alexandre Oliva  <aoliva@redhat.com>
 
+	* Makefile.in (check//%): New.
+
 	* mn10300-tdep.c (mn10300_extract_return_value): Rewrite.
 	(mn10300_store_return_value): Rewrite.
 	(mn10300_type_align): New.
@@ -8,8 +10,6 @@
 	(mn10300_pop_frame_regular): Add saved_regs_size.
 	(mn10300_gdbarch_init): Remove deprecated rewritten entry points.
 
-2004-06-08  Alexandre Oliva  <aoliva@redhat.com>
-
 	* mn10300-tdep.c (mn10300_analyze_prologue): Don't compute saved
 	regs if PC is on movm.
 
diff --git a/gdb/Makefile.in b/gdb/Makefile.in
index 8cb27b5895..e707c554b3 100644
--- a/gdb/Makefile.in
+++ b/gdb/Makefile.in
@@ -956,6 +956,34 @@ check: force
 	  $(MAKE) $(TARGET_FLAGS_TO_PASS) check; \
 	else true; fi
 
+# The idea is to parallelize testing of multilibs, for example:
+#   make -j3 check//sh-hms-sim/{-m1,-m2,-m3,-m3e,-m4}/{,-nofpu}
+# will run 3 concurrent sessions of check, eventually testing all 10
+# combinations.  GNU make is required for the % pattern to work, as is
+# a shell that expands alternations within braces.  If GNU make is not
+# used, this rule will harmlessly fail to match.
+check//%: force
+	@if [ -f testsuite/config.status ]; then \
+	  rootme=`pwd`; export rootme; \
+	  rootsrc=`cd $(srcdir); pwd`; export rootsrc; \
+	  target=`echo "$@" | sed 's,//.*,,'`; \
+	  variant=`echo "$@" | sed 's,^[^/]*//,,'`; \
+	  vardots=`echo "$$variant" | sed 's,/,.,g'`; \
+	  testdir=testsuite.$$vardots; \
+	  if [ ! -f $$testdir/Makefile ]; then \
+	    (cd testsuite && find . -name config.status) | \
+	    sed s,/config.status$$,, | sort | while read subdir; do \
+	      $(SHELL) $(srcdir)/../mkinstalldirs $$testdir/$$subdir && \
+	      (cd $$testdir/$$subdir && \
+	       $(SHELL) $$rootme/testsuite/$$subdir/config.status \
+		 --recheck && \
+	       $(SHELL) ./config.status); done; \
+	  else :; fi && cd $$testdir && \
+	  $(MAKE) $(TARGET_FLAGS_TO_PASS) \
+	    RUNTESTFLAGS="--target_board=$$variant $(RUNTESTFLAGS)" \
+	    "$$target"; \
+	else true; fi
+
 info dvi install-info clean-info html install-html: force
 	@$(MAKE) $(FLAGS_TO_PASS) DO=$@ "DODIRS=$(SUBDIRS)" subdir_do