From: Jo-Philipp Wich <jow@openwrt.org>
Date: Thu, 17 Sep 2015 13:07:48 +0000 (+0000)
Subject: tools/mtd-utils: avoid linking libm statically
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=1ca571b6c2978bec66f897b6665ddbdaba82a26e;p=openwrt%2Fstaging%2Fansuel.git

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 273aa85e14..810aea9a54 100644
--- 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)
+ 
+ #