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tools/mtd-utils: avoid linking libm statically

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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
This commit is contained in:
Jo-Philipp Wich 2015-09-17 13:07:48 +00:00
parent d6408aa9b4
commit 1ca571b6c2
1 changed files with 30 additions and 10 deletions
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40
tools/mtd-utils/patches/310-add-static-linking-option.patch
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@ -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)
#