build-system: Parallel build all subdirs.

23 files changed, 33 insertions, 26 deletions

diff --git a/c/src/lib/Makefile.am b/c/src/lib/Makefile.am
index 5c6de71375..ff39067ae9 100644
--- a/c/src/lib/Makefile.am
+++ b/c/src/lib/Makefile.am
@@ -1,4 +1,9 @@
-SUBDIRS = libcpu libbsp
+_SUBDIRS = libcpu libbsp
 
 include $(top_srcdir)/automake/subdirs.am
 include $(top_srcdir)/automake/local.am
+
+#
+# The libsp cannot be built until libcpu is built.
+#
+libbsp: libcpu
diff --git a/c/src/lib/libbsp/Makefile.am b/c/src/lib/libbsp/Makefile.am
index 85ddbe217b..840d52b033 100644
--- a/c/src/lib/libbsp/Makefile.am
+++ b/c/src/lib/libbsp/Makefile.am
@@ -1,6 +1,6 @@
 include $(top_srcdir)/automake/compile.am
 
-SUBDIRS = @libbsp_cpu_subdir@
+_SUBDIRS = @libbsp_cpu_subdir@
 DIST_SUBDIRS = @libbsp_cpu_subdir@
 
 EXTRA_DIST = MERGE.PROCEDURE bsp.am
@@ -42,5 +42,5 @@ include_bsp_HEADERS += shared/include/console-termios.h
 include_bsp_HEADERS += shared/include/gpio.h
 
 include $(srcdir)/preinstall.am
-include $(top_srcdir)/automake/subdirs.am
 include $(top_srcdir)/automake/local.am
+include $(top_srcdir)/automake/subdirs.am
diff --git a/c/src/lib/libbsp/arm/Makefile.am b/c/src/lib/libbsp/arm/Makefile.am
index a567a2c1c6..a8a0178560 100644
--- a/c/src/lib/libbsp/arm/Makefile.am
+++ b/c/src/lib/libbsp/arm/Makefile.am
@@ -3,7 +3,7 @@ ACLOCAL_AMFLAGS = -I ../../../aclocal
 ## Descend into the @RTEMS_BSP_FAMILY@ directory
 ## Currently, the shared directory is not explicitly
 ## added but it is present in the source tree.
-SUBDIRS = @RTEMS_BSP_FAMILY@
+_SUBDIRS = @RTEMS_BSP_FAMILY@
 
 include_bspdir = $(includedir)/bsp
 include_bsp_HEADERS = shared/include/linker-symbols.h
diff --git a/c/src/lib/libbsp/bfin/Makefile.am b/c/src/lib/libbsp/bfin/Makefile.am
index 140d76ee20..c25b2d3f99 100644
--- a/c/src/lib/libbsp/bfin/Makefile.am
+++ b/c/src/lib/libbsp/bfin/Makefile.am
@@ -1,7 +1,7 @@
 ACLOCAL_AMFLAGS = -I ../../../aclocal
 
 # Descend into the @RTEMS_BSP_FAMILY@ directory
-SUBDIRS = @RTEMS_BSP_FAMILY@
+_SUBDIRS = @RTEMS_BSP_FAMILY@
 
 include $(top_srcdir)/../../../automake/subdirs.am
 include $(top_srcdir)/../../../automake/local.am
diff --git a/c/src/lib/libbsp/epiphany/Makefile.am b/c/src/lib/libbsp/epiphany/Makefile.am
index cdcc3fbd5c..86705a772c 100644
--- a/c/src/lib/libbsp/epiphany/Makefile.am
+++ b/c/src/lib/libbsp/epiphany/Makefile.am
@@ -2,7 +2,7 @@ ACLOCAL_AMFLAGS = -I ../../../aclocal
 ## Descend into the @RTEMS_BSP_FAMILY@ directory
 ## Currently, the shared directory is not explicitly
 ## added but it is present in the source tree.
-SUBDIRS = @RTEMS_BSP_FAMILY@
+_SUBDIRS = @RTEMS_BSP_FAMILY@
 include $(srcdir)/preinstall.am
 include $(top_srcdir)/../../../automake/subdirs.am
 include $(top_srcdir)/../../../automake/local.am
diff --git a/c/src/lib/libbsp/i386/Makefile.am b/c/src/lib/libbsp/i386/Makefile.am
index 567f75fdbd..959646762f 100644
--- a/c/src/lib/libbsp/i386/Makefile.am
+++ b/c/src/lib/libbsp/i386/Makefile.am
@@ -1,7 +1,7 @@
 ACLOCAL_AMFLAGS = -I ../../../aclocal
 
 ## Descend into the @RTEMS_BSP_FAMILY@ directory
-SUBDIRS = @RTEMS_BSP_FAMILY@
+_SUBDIRS = @RTEMS_BSP_FAMILY@
 
 EXTRA_DIST =
 
diff --git a/c/src/lib/libbsp/i386/pc386/Makefile.am b/c/src/lib/libbsp/i386/pc386/Makefile.am
index d051da8ec7..8408db0095 100644
--- a/c/src/lib/libbsp/i386/pc386/Makefile.am
+++ b/c/src/lib/libbsp/i386/pc386/Makefile.am
@@ -23,7 +23,7 @@ DISTCLEANFILES = include/bspopts.h
 
 noinst_PROGRAMS =
 
-SUBDIRS = . tools
+_SUBDIRS = . tools
 
 nodist_include_bsp_HEADERS += include/bspimpl.h
 include_bsp_HEADERS  = ../../i386/shared/irq/irq.h
@@ -258,3 +258,4 @@ EXTRA_DIST += times_p5
 
 include $(srcdir)/preinstall.am
 include $(top_srcdir)/../../../../automake/local.am
+include $(top_srcdir)/../../../../automake/subdirs.am
diff --git a/c/src/lib/libbsp/lm32/Makefile.am b/c/src/lib/libbsp/lm32/Makefile.am
index 140d76ee20..c25b2d3f99 100644
--- a/c/src/lib/libbsp/lm32/Makefile.am
+++ b/c/src/lib/libbsp/lm32/Makefile.am
@@ -1,7 +1,7 @@
 ACLOCAL_AMFLAGS = -I ../../../aclocal
 
 # Descend into the @RTEMS_BSP_FAMILY@ directory
-SUBDIRS = @RTEMS_BSP_FAMILY@
+_SUBDIRS = @RTEMS_BSP_FAMILY@
 
 include $(top_srcdir)/../../../automake/subdirs.am
 include $(top_srcdir)/../../../automake/local.am
diff --git a/c/src/lib/libbsp/m32c/Makefile.am b/c/src/lib/libbsp/m32c/Makefile.am
index f504c03a19..e99d8df18f 100644
--- a/c/src/lib/libbsp/m32c/Makefile.am
+++ b/c/src/lib/libbsp/m32c/Makefile.am
@@ -1,7 +1,7 @@
 ACLOCAL_AMFLAGS = -I ../../../aclocal
 
 ## Descend into the @RTEMS_BSP_FAMILY@ directory
-SUBDIRS = @RTEMS_BSP_FAMILY@
+_SUBDIRS = @RTEMS_BSP_FAMILY@
 
 EXTRA_DIST =
 
diff --git a/c/src/lib/libbsp/m68k/Makefile.am b/c/src/lib/libbsp/m68k/Makefile.am
index 925b543d13..634f7ff898 100644
--- a/c/src/lib/libbsp/m68k/Makefile.am
+++ b/c/src/lib/libbsp/m68k/Makefile.am
@@ -1,7 +1,7 @@
 ACLOCAL_AMFLAGS = -I ../../../aclocal
 
 ## Descend into the @RTEMS_BSP_FAMILY@ directory
-SUBDIRS = @RTEMS_BSP_FAMILY@
+_SUBDIRS = @RTEMS_BSP_FAMILY@
 
 include_bspdir = $(includedir)/bsp
 include_bsp_HEADERS = shared/include/linker-symbols.h
diff --git a/c/src/lib/libbsp/m68k/mcf5206elite/Makefile.am b/c/src/lib/libbsp/m68k/mcf5206elite/Makefile.am
index 3411b27651..2ca635ba8b 100644
--- a/c/src/lib/libbsp/m68k/mcf5206elite/Makefile.am
+++ b/c/src/lib/libbsp/m68k/mcf5206elite/Makefile.am
@@ -13,7 +13,7 @@ nodist_include_HEADERS = include/bspopts.h
 nodist_include_bsp_HEADERS = ../../shared/include/bootcard.h
 DISTCLEANFILES = include/bspopts.h
 
-SUBDIRS = . tools
+_SUBDIRS = . tools
 
 include_HEADERS += include/coverhd.h
 include_HEADERS += include/i2c.h
diff --git a/c/src/lib/libbsp/mips/Makefile.am b/c/src/lib/libbsp/mips/Makefile.am
index d294e842ec..526453030c 100644
--- a/c/src/lib/libbsp/mips/Makefile.am
+++ b/c/src/lib/libbsp/mips/Makefile.am
@@ -1,7 +1,7 @@
 ACLOCAL_AMFLAGS = -I ../../../aclocal
 
 ## Descend into the @RTEMS_BSP_FAMILY@ directory
-SUBDIRS = @RTEMS_BSP_FAMILY@
+_SUBDIRS = @RTEMS_BSP_FAMILY@
 
 include $(top_srcdir)/../../../automake/subdirs.am
 include $(top_srcdir)/../../../automake/local.am
diff --git a/c/src/lib/libbsp/moxie/Makefile.am b/c/src/lib/libbsp/moxie/Makefile.am
index d8b53da543..3caad19373 100644
--- a/c/src/lib/libbsp/moxie/Makefile.am
+++ b/c/src/lib/libbsp/moxie/Makefile.am
@@ -5,7 +5,7 @@
 ACLOCAL_AMFLAGS = -I ../../../aclocal
 
 # Descend into the @RTEMS_BSP_FAMILY@ directory
-SUBDIRS = @RTEMS_BSP_FAMILY@
+_SUBDIRS = @RTEMS_BSP_FAMILY@
 
 include $(top_srcdir)/../../../automake/subdirs.am
 include $(top_srcdir)/../../../automake/local.am
diff --git a/c/src/lib/libbsp/nios2/Makefile.am b/c/src/lib/libbsp/nios2/Makefile.am
index 140d76ee20..c25b2d3f99 100644
--- a/c/src/lib/libbsp/nios2/Makefile.am
+++ b/c/src/lib/libbsp/nios2/Makefile.am
@@ -1,7 +1,7 @@
 ACLOCAL_AMFLAGS = -I ../../../aclocal
 
 # Descend into the @RTEMS_BSP_FAMILY@ directory
-SUBDIRS = @RTEMS_BSP_FAMILY@
+_SUBDIRS = @RTEMS_BSP_FAMILY@
 
 include $(top_srcdir)/../../../automake/subdirs.am
 include $(top_srcdir)/../../../automake/local.am
diff --git a/c/src/lib/libbsp/no_cpu/Makefile.am b/c/src/lib/libbsp/no_cpu/Makefile.am
index 140d76ee20..c25b2d3f99 100644
--- a/c/src/lib/libbsp/no_cpu/Makefile.am
+++ b/c/src/lib/libbsp/no_cpu/Makefile.am
@@ -1,7 +1,7 @@
 ACLOCAL_AMFLAGS = -I ../../../aclocal
 
 # Descend into the @RTEMS_BSP_FAMILY@ directory
-SUBDIRS = @RTEMS_BSP_FAMILY@
+_SUBDIRS = @RTEMS_BSP_FAMILY@
 
 include $(top_srcdir)/../../../automake/subdirs.am
 include $(top_srcdir)/../../../automake/local.am
diff --git a/c/src/lib/libbsp/or1k/Makefile.am b/c/src/lib/libbsp/or1k/Makefile.am
index 0ce20e62fa..6d6feb2699 100644
--- a/c/src/lib/libbsp/or1k/Makefile.am
+++ b/c/src/lib/libbsp/or1k/Makefile.am
@@ -3,7 +3,7 @@ ACLOCAL_AMFLAGS = -I ../../../aclocal
 ## Descend into the @RTEMS_BSP_FAMILY@ directory
 ## Currently, the shared directory is not explicitly
 ## added but it is present in the source tree.
-SUBDIRS = @RTEMS_BSP_FAMILY@
+_SUBDIRS = @RTEMS_BSP_FAMILY@
 
 include $(srcdir)/preinstall.am
 include $(top_srcdir)/../../../automake/subdirs.am
diff --git a/c/src/lib/libbsp/powerpc/Makefile.am b/c/src/lib/libbsp/powerpc/Makefile.am
index a2795f2ef9..1309072f53 100644
--- a/c/src/lib/libbsp/powerpc/Makefile.am
+++ b/c/src/lib/libbsp/powerpc/Makefile.am
@@ -1,7 +1,7 @@
 ACLOCAL_AMFLAGS = -I ../../../aclocal
 
 ## Descend into the @RTEMS_BSP_FAMILY@ directory
-SUBDIRS = @RTEMS_BSP_FAMILY@
+_SUBDIRS = @RTEMS_BSP_FAMILY@
 
 # FIXME: This does not work
 # DIST_SUBDIRS = @all_subdirs@ support/old_exception_processing \
diff --git a/c/src/lib/libbsp/powerpc/motorola_powerpc/Makefile.am b/c/src/lib/libbsp/powerpc/motorola_powerpc/Makefile.am
index e098206083..af7a71f723 100644
--- a/c/src/lib/libbsp/powerpc/motorola_powerpc/Makefile.am
+++ b/c/src/lib/libbsp/powerpc/motorola_powerpc/Makefile.am
@@ -1,9 +1,9 @@
 ACLOCAL_AMFLAGS = -I ../../../../aclocal
 
-SUBDIRS = .
-SUBDIRS+= bootloader
+_SUBDIRS  = .
+_SUBDIRS += bootloader
 if QEMU
-SUBDIRS+= qemu_fakerom
+_SUBDIRS += qemu_fakerom
 endif
 
 include $(top_srcdir)/../../../../automake/compile.am
@@ -166,3 +166,4 @@ EXTRA_DIST += times.mcp750 times.mvme2307
 
 include $(srcdir)/preinstall.am
 include $(top_srcdir)/../../../../automake/local.am
+include $(top_srcdir)/../../../../automake/subdirs.am
diff --git a/c/src/lib/libbsp/sh/Makefile.am b/c/src/lib/libbsp/sh/Makefile.am
index 33c5db1613..35db1bb6fa 100644
--- a/c/src/lib/libbsp/sh/Makefile.am
+++ b/c/src/lib/libbsp/sh/Makefile.am
@@ -1,7 +1,7 @@
 ACLOCAL_AMFLAGS = -I ../../../aclocal
 
 # Descend into the @RTEMS_BSP_FAMILY@ directory
-SUBDIRS = @RTEMS_BSP_FAMILY@
+_SUBDIRS = @RTEMS_BSP_FAMILY@
 
 EXTRA_DIST =
 EXTRA_DIST += shared/console.c
diff --git a/c/src/lib/libbsp/sparc/Makefile.am b/c/src/lib/libbsp/sparc/Makefile.am
index d17d691a55..30ea8497b5 100644
--- a/c/src/lib/libbsp/sparc/Makefile.am
+++ b/c/src/lib/libbsp/sparc/Makefile.am
@@ -1,7 +1,7 @@
 ACLOCAL_AMFLAGS = -I ../../../aclocal
 
 # Descend into the @RTEMS_BSP_FAMILY@ directory
-SUBDIRS = @RTEMS_BSP_FAMILY@
+_SUBDIRS = @RTEMS_BSP_FAMILY@
 
 EXTRA_DIST =
 
diff --git a/c/src/lib/libbsp/sparc64/Makefile.am b/c/src/lib/libbsp/sparc64/Makefile.am
index d294e842ec..526453030c 100644
--- a/c/src/lib/libbsp/sparc64/Makefile.am
+++ b/c/src/lib/libbsp/sparc64/Makefile.am
@@ -1,7 +1,7 @@
 ACLOCAL_AMFLAGS = -I ../../../aclocal
 
 ## Descend into the @RTEMS_BSP_FAMILY@ directory
-SUBDIRS = @RTEMS_BSP_FAMILY@
+_SUBDIRS = @RTEMS_BSP_FAMILY@
 
 include $(top_srcdir)/../../../automake/subdirs.am
 include $(top_srcdir)/../../../automake/local.am
diff --git a/c/src/lib/libbsp/v850/Makefile.am b/c/src/lib/libbsp/v850/Makefile.am
index d5747beb2f..15054fee72 100644
--- a/c/src/lib/libbsp/v850/Makefile.am
+++ b/c/src/lib/libbsp/v850/Makefile.am
@@ -6,7 +6,7 @@ ACLOCAL_AMFLAGS = -I ../../../aclocal
 ## Descend into the @RTEMS_BSP_FAMILY@ directory
 ## Currently, the shared directory is not explicitly
 ## added but it is present in the source tree.
-SUBDIRS = @RTEMS_BSP_FAMILY@
+_SUBDIRS = @RTEMS_BSP_FAMILY@
 
 EXTRA_DIST =
 
diff --git a/c/src/lib/libcpu/Makefile.am b/c/src/lib/libcpu/Makefile.am
index 630f5256a0..38de255d1a 100644
--- a/c/src/lib/libcpu/Makefile.am
+++ b/c/src/lib/libcpu/Makefile.am
@@ -4,7 +4,7 @@ EXTRA_DIST =
 EXTRA_DIST += shared/include/cache.h
 EXTRA_DIST += shared/src/cache_manager.c
 
-SUBDIRS = @libcpu_cpu_subdir@
+_SUBDIRS = @libcpu_cpu_subdir@
 DIST_SUBDIRS = @libcpu_cpu_subdir@
 
 include $(top_srcdir)/automake/subdirs.am