[git commit prelink 1/1] install_headers: Fix the header installation when using out of source build ( O=/x/y/z )

[Khem Raj]

commit: http://git.uclibc.org/uClibc/commit/?id=fc91a4155d265a189ae6aa50b63640d8da7b3609
branch: http://git.uclibc.org/uClibc/commit/?id=refs/heads/prelink

Signed-off-by: Khem Raj <raj.khem at gmail.com>
---
 Makefile.in |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/Makefile.in b/Makefile.in
index 3399f88..b4dcf6b 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -291,7 +291,14 @@ endif
 install_headers: headers $(top_builddir)extra/scripts/unifdef | $(PREFIX)$(DEVEL_PREFIX)include
 	@$(call disp_install,"include -> $(PREFIX)$(DEVEL_PREFIX)include")
 	$(Q)top_builddir=$(top_builddir) \
-	$(top_srcdir)extra/scripts/install_headers.sh include $(PREFIX)$(DEVEL_PREFIX)include
+	$(top_srcdir)extra/scripts/install_headers.sh \
+	include $(PREFIX)$(DEVEL_PREFIX)include
+ifneq ($(O),) # only run this step in O is set i.e. make O=/my/builddir/ ..
+	@$(call disp_install,"$(top_builddir)/include -> $(PREFIX)$(DEVEL_PREFIX)include")
+	$(Q)top_builddir=$(top_builddir) \
+	$(top_srcdir)extra/scripts/install_headers.sh \
+	$(top_builddir)/include $(PREFIX)$(DEVEL_PREFIX)include
+endif
 	$(Q)cd $(PREFIX)$(DEVEL_PREFIX)include && $(RM) -r $(HEADERS_RM-)
 ifeq ($(UCLIBC_HAS_WCHAR),)
 	$(Q)cd $(PREFIX)$(DEVEL_PREFIX)include && mv -f wchar-stub.h wchar.h
-- 
1.7.2.2