tools/mtd-utils: avoid linking libm statically

Rework static linker flags to not link libm statically, this should fix the
build on CentOS where libm.a is not provided by the libc devel package.

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>
SVN-Revision: 46989

diff --git a/tools/mtd-utils/patches/310-add-static-linking-option.patch b/tools/mtd-utils/patches/310-add-static-linking-option.patch
index 273aa85e146fc10faf22c94a98cd1dced21868bc..810aea9a548a3a0b1e4a64f3bbcaf3ce03af0e26 100644 (file)
--- a/tools/mtd-utils/patches/310-add-static-linking-option.patch
+++ b/tools/mtd-utils/patches/310-add-static-linking-option.patch
@@ -1,23 +1,43 @@
 --- a/common.mk
 +++ b/common.mk
-@@ -2,6 +2,11 @@ CC := $(CROSS)gcc
+@@ -2,6 +2,16 @@ CC := $(CROSS)gcc
  AR := $(CROSS)ar
  RANLIB := $(CROSS)ranlib
  
 +ifeq ($(STATIC),1)
-+  LD_STATIC_ON := -Wl,-Bstatic
-+  LD_STATIC_OFF := -Wl,-Bdynamic
++ define static_link
++  -Wl,-Bstatic $(1) -Wl,-Bdynamic
++ endef
++else
++ define static_link
++  $(1)
++ endef
 +endif
 +
  # Stolen from Linux build system
  comma = ,
  try-run = $(shell set -e; ($(1)) >/dev/null 2>&1 && echo "$(2)" || echo "$(3)")
-@@ -68,7 +73,7 @@ endef
+--- a/Makefile
++++ b/Makefile
+@@ -89,10 +89,10 @@ obj-mkfs.jffs2 = compr_rtime.o compr_zli
+       compr_lzma.o lzma/LzFind.o lzma/LzmaEnc.o lzma/LzmaDec.o \
+       compr.o rbtree.o
+ LDFLAGS_mkfs.jffs2 = $(ZLIBLDFLAGS) $(LZOLDFLAGS)
+-LDLIBS_mkfs.jffs2  = -lz $(LZOLDLIBS)
++LDLIBS_mkfs.jffs2  = $(call static_link,-lz $(LZOLDLIBS))
  
- %: %.o $(LDDEPS)
-       $(call BECHO,LD)
--      $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(LDFLAGS_$(notdir $@)) -g -o $@ $^ $(LDLIBS) $(LDLIBS_$(notdir $@))
-+      $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(LDFLAGS_$(notdir $@)) -g -o $@ $(LD_STATIC_ON) $^ $(LDLIBS) $(LDLIBS_$(notdir $@)) $(LD_STATIC_OFF)
+ LDFLAGS_jffs2reader = $(ZLIBLDFLAGS) $(LZOLDFLAGS)
+-LDLIBS_jffs2reader  = -lz $(LZOLDLIBS)
++LDLIBS_jffs2reader  = $(call static_link,-lz $(LZOLDLIBS))
  
- $(BUILDDIR)/%.a:
-       $(call BECHO,AR)
+ $(foreach v,$(MTD_BINS),$(eval $(call mkdep,,$(v))))
+ 
+@@ -119,7 +119,7 @@ else
+   XZLDLIBS = -llzma
+ endif
+ 
+-LDLIBS_mkfs.ubifs = -lz $(LZOLDLIBS) $(XZLDLIBS) -lm -luuid
++LDLIBS_mkfs.ubifs = $(call static_link,-lz $(LZOLDLIBS) $(XZLDLIBS)) -lm $(call static_link,-luuid)
+ $(call mkdep,mkfs.ubifs/,mkfs.ubifs,,ubi-utils/libubi.a)
+ 
+ #