From patchwork Wed Nov 21 08:15:36 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: busybox: fix link with tirpc From: Arnout Vandecappelle X-Patchwork-Id: 200602 Message-Id: <1353485736-10836-1-git-send-email-arnout@mind.be> To: buildroot@busybox.net Date: Wed, 21 Nov 2012 09:15:36 +0100 Busybox does partial linking of its modules before linking everything together into the binary. Those partial links are done without the standard libraries, but that also means -ltirpc can't be found. In addition, this probably fails horribly with static linking (untested). The problem is that the LDFLAGS are also used in the partial links. So instead, use CFLAGS_busybox, which is only used for the busybox link step. Also make sure that this is passed through the environment, not on the command line, so the busybox Makefile can still append to it. Fixes e.g. http://autobuild.buildroot.net/results/e8351e3ba86fdcdb2999548658271a6fde0526a9 Signed-off-by: Arnout Vandecappelle (Essensium/Mind) --- package/busybox/busybox.mk | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/package/busybox/busybox.mk b/package/busybox/busybox.mk index 549e150..9154c08 100644 --- a/package/busybox/busybox.mk +++ b/package/busybox/busybox.mk @@ -27,12 +27,17 @@ BUSYBOX_LDFLAGS = \ ifeq ($(BR2_PACKAGE_LIBTIRPC),y) BUSYBOX_DEPENDENCIES += libtirpc BUSYBOX_CFLAGS += -I$(STAGING_DIR)/usr/include/tirpc/ -BUSYBOX_LDFLAGS += -ltirpc +# Don't use LDFLAGS for -ltirpc, because LDFLAGS is used for +# the non-final link of modules as well. +BUSYBOX_CFLAGS_busybox += -ltirpc endif BUSYBOX_BUILD_CONFIG = $(BUSYBOX_DIR)/.config # Allows the build system to tweak CFLAGS -BUSYBOX_MAKE_ENV = $(TARGET_MAKE_ENV) CFLAGS="$(BUSYBOX_CFLAGS)" +BUSYBOX_MAKE_ENV = \ + $(TARGET_MAKE_ENV) \ + CFLAGS="$(BUSYBOX_CFLAGS)" \ + CFLAGS_busybox="$(BUSYBOX_CFLAGS_busybox)" BUSYBOX_MAKE_OPTS = \ CC="$(TARGET_CC)" \ ARCH=$(KERNEL_ARCH) \