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