[PATCH 1/9] libc: provide a libc_arch_headers make target

[Florian Fainelli]

This patch adds a new Makefile target for libc_arch_headers which is
going to be used by a subsequent patch implementing ucontext routines.
The cleaning make target counterpart is also introduced by this patch.

Signed-off-by: Carmelo Amoroso <carmelo.amoroso at st.com>
Signed-off-by: Florian Fainelli <florian at openwrt.org>
---
 Makefile.in                    |    1 +
 libc/sysdeps/linux/Makefile.in |    4 ++++
 2 files changed, 5 insertions(+)

diff --git a/Makefile.in b/Makefile.in
index 3593fe1..1fcc688 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -172,6 +172,7 @@ headers: $(top_builddir)include/bits/uClibc_config.h | subdirs
 subdirs: $(addprefix $(top_builddir),$(subdirs))
 pregen-headers: $(top_builddir)include/bits/sysnum.h $(pregen-headers-y)
 pregen: headers pregen-headers
+	$(Q)$(MAKE) libc_arch_headers
 	$(Q)$(if $(UCLIBC_HAS_LOCALE),$(MAKE) -C extra/locale locale_headers)
 
 $(top_builddir)include/bits/sysnum.h: $(top_srcdir)extra/scripts/gen_bits_syscall_h.sh | $(top_builddir)include/bits
diff --git a/libc/sysdeps/linux/Makefile.in b/libc/sysdeps/linux/Makefile.in
index dd91f21..50a335f 100644
--- a/libc/sysdeps/linux/Makefile.in
+++ b/libc/sysdeps/linux/Makefile.in
@@ -11,3 +11,7 @@ subdirs += libc/sysdeps/linux/$(TARGET_ARCH) libc/sysdeps/linux/common
 -include $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/Makefile.arch
 include $(top_srcdir)libc/sysdeps/linux/Makefile.commonarch
 include $(top_srcdir)libc/sysdeps/linux/common/Makefile.in
+
+# provide an empty rule for those archs that do not need it
+libc_arch_headers:
+libc_arch_headers_clean:
-- 
1.7.10.4