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
This commit is contained in:
Jo-Philipp Wich 2015-09-17 13:07:48 +00:00
parent d6408aa9b4
commit 1ca571b6c2

View File

@ -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)
#