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authorSebastien Carlier <sebastien.carlier@gmail.com>2010-11-05 15:48:07 +0100
committerWolfgang Denk <wd@denx.de>2010-11-17 21:02:18 +0100
commit6d8962e814c15807dd6ac5757904be2a02d187b8 (patch)
treeb899a91461cdc9b35a424cb45a28864da7889137 /board/manroland
parentd7b1970015e62d37b26bb6b94b64ae36728c63cc (diff)
downloadu-boot-linaro-stable-6d8962e814c15807dd6ac5757904be2a02d187b8.tar.gz
Switch from archive libraries to partial linking
Before this commit, weak symbols were not overridden by non-weak symbols found in archive libraries when linking with recent versions of binutils. As stated in the System V ABI, "the link editor does not extract archive members to resolve undefined weak symbols". This commit changes all Makefiles to use partial linking (ld -r) instead of creating library archives, which forces all symbols to participate in linking, allowing non-weak symbols to override weak symbols as intended. This approach is also used by Linux, from which the gmake function cmd_link_o_target (defined in config.mk and used in all Makefiles) is inspired. The name of each former library archive is preserved except for extensions which change from ".a" to ".o". This commit updates references accordingly where needed, in particular in some linker scripts. This commit reveals board configurations that exclude some features but include source files that depend these disabled features in the build, resulting in undefined symbols. Known such cases include: - disabling CMD_NET but not CMD_NFS; - enabling CONFIG_OF_LIBFDT but not CONFIG_QE. Signed-off-by: Sebastien Carlier <sebastien.carlier@gmail.com>
Diffstat (limited to 'board/manroland')
-rw-r--r--board/manroland/hmi1001/Makefile4
-rw-r--r--board/manroland/mucmc52/Makefile4
-rw-r--r--board/manroland/uc100/Makefile4
-rw-r--r--board/manroland/uc101/Makefile4
4 files changed, 8 insertions, 8 deletions
diff --git a/board/manroland/hmi1001/Makefile b/board/manroland/hmi1001/Makefile
index 442e2d0df..d3c31d667 100644
--- a/board/manroland/hmi1001/Makefile
+++ b/board/manroland/hmi1001/Makefile
@@ -23,7 +23,7 @@
include $(TOPDIR)/config.mk
-LIB = $(obj)lib$(BOARD).a
+LIB = $(obj)lib$(BOARD).o
COBJS := $(BOARD).o
@@ -32,7 +32,7 @@ OBJS := $(addprefix $(obj),$(COBJS))
SOBJS := $(addprefix $(obj),$(SOBJS))
$(LIB): $(obj).depend $(OBJS)
- $(AR) $(ARFLAGS) $@ $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
clean:
rm -f $(SOBJS) $(OBJS)
diff --git a/board/manroland/mucmc52/Makefile b/board/manroland/mucmc52/Makefile
index 721c0164b..a3b4e4c0b 100644
--- a/board/manroland/mucmc52/Makefile
+++ b/board/manroland/mucmc52/Makefile
@@ -26,7 +26,7 @@
include $(TOPDIR)/config.mk
-LIB = $(obj)lib$(BOARD).a
+LIB = $(obj)lib$(BOARD).o
COBJS := $(BOARD).o
@@ -35,7 +35,7 @@ OBJS := $(addprefix $(obj),$(COBJS))
SOBJS := $(addprefix $(obj),$(SOBJS))
$(LIB): $(obj).depend $(OBJS)
- $(AR) $(ARFLAGS) $@ $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
clean:
rm -f $(SOBJS) $(OBJS)
diff --git a/board/manroland/uc100/Makefile b/board/manroland/uc100/Makefile
index 92ee091f6..c1a385b87 100644
--- a/board/manroland/uc100/Makefile
+++ b/board/manroland/uc100/Makefile
@@ -23,7 +23,7 @@
include $(TOPDIR)/config.mk
-LIB = $(obj)lib$(BOARD).a
+LIB = $(obj)lib$(BOARD).o
#COBJS = $(BOARD).o flash.o pcmcia.o
COBJS = $(BOARD).o pcmcia.o
@@ -33,7 +33,7 @@ OBJS := $(addprefix $(obj),$(COBJS))
SOBJS := $(addprefix $(obj),$(SOBJS))
$(LIB): $(obj).depend $(OBJS)
- $(AR) $(ARFLAGS) $@ $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
#########################################################################
diff --git a/board/manroland/uc101/Makefile b/board/manroland/uc101/Makefile
index 442e2d0df..d3c31d667 100644
--- a/board/manroland/uc101/Makefile
+++ b/board/manroland/uc101/Makefile
@@ -23,7 +23,7 @@
include $(TOPDIR)/config.mk
-LIB = $(obj)lib$(BOARD).a
+LIB = $(obj)lib$(BOARD).o
COBJS := $(BOARD).o
@@ -32,7 +32,7 @@ OBJS := $(addprefix $(obj),$(COBJS))
SOBJS := $(addprefix $(obj),$(SOBJS))
$(LIB): $(obj).depend $(OBJS)
- $(AR) $(ARFLAGS) $@ $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
clean:
rm -f $(SOBJS) $(OBJS)