3 This patch is needed in situations where build system is running same version of
4 binutils that is intended to be built cross-native ( build != host = target)
5 and has shared libraries enabled. binutils/binutils
6 Makefile has some tools which are built to run on build system. Toplevel makefile
7 for binutils passes HOST_EXPORTS to sub-makefiles which also include RPATH_ENVVARS
8 containing LD_LIBRARY_PATH which is modified so that it also includes host libraries
9 like opcodes and libbfd which are just built for the host system.
11 Now the problem is that same LD_LIBRARY_PATH value gets set in environment even
12 for the tools that are being built for build system using CC_FOR_BUILD and the tools
13 like as,ld it invokes from build machine get the LD_LIBRARY_PATH set to search
14 the newly build host libraries like opcodes and bfd and if host is like a big endian
15 system say (mips-linux) the build system linker and assembler do not run because
16 ld.so tries to load these shared libraries instead of the ones from /usr/lib for
19 This patch fixes the issue by clearing LD_LIBRARY_PATH for BUILD tools
21 This patch would be needed on other versions of binutils. I just cared about 2.20
22 May be upstream is also interested in such a patch.
26 Index: binutils-2.20/binutils/Makefile.am
27 ===================================================================
28 --- binutils-2.20.orig/binutils/Makefile.am 2009-12-30 15:30:35.302438121 -0800
29 +++ binutils-2.20/binutils/Makefile.am 2009-12-30 15:33:09.154420373 -0800
30 @@ -251,24 +251,24 @@ sysroff.h: sysinfo$(EXEEXT_FOR_BUILD) sy
31 ./sysinfo$(EXEEXT_FOR_BUILD) -d <$(srcdir)/sysroff.info >sysroff.h
33 sysinfo$(EXEEXT_FOR_BUILD): sysinfo.o syslex.o
34 - $(CC_FOR_BUILD) $(CFLAGS_FOR_BUILD) $(LDFLAGS_FOR_BUILD) -o $@ sysinfo.o syslex.o
35 + LD_LIBRARY_PATH= $(CC_FOR_BUILD) $(CFLAGS_FOR_BUILD) $(LDFLAGS_FOR_BUILD) -o $@ sysinfo.o syslex.o
37 syslex.o: syslex.c sysinfo.h config.h
38 if [ -r syslex.c ]; then \
39 - $(CC_FOR_BUILD) -c -I. $(AM_CFLAGS) $(CFLAGS_FOR_BUILD) syslex.c -Wno-error ; \
40 + LD_LIBRARY_PATH= $(CC_FOR_BUILD) -c -I. $(AM_CFLAGS) $(CFLAGS_FOR_BUILD) syslex.c -Wno-error ; \
42 - $(CC_FOR_BUILD) -c -I. -I$(srcdir) $(AM_CFLAGS) $(CFLAGS_FOR_BUILD) $(srcdir)/syslex.c -Wno-error ;\
43 + LD_LIBRARY_PATH= $(CC_FOR_BUILD) -c -I. -I$(srcdir) $(AM_CFLAGS) $(CFLAGS_FOR_BUILD) $(srcdir)/syslex.c -Wno-error ;\
47 if [ -r sysinfo.c ]; then \
48 - $(CC_FOR_BUILD) -c -I. $(AM_CFLAGS) $(CFLAGS_FOR_BUILD) sysinfo.c -Wno-error ; \
49 + LD_LIBRARY_PATH= $(CC_FOR_BUILD) -c -I. $(AM_CFLAGS) $(CFLAGS_FOR_BUILD) sysinfo.c -Wno-error ; \
51 - $(CC_FOR_BUILD) -c -I. $(AM_CFLAGS) $(CFLAGS_FOR_BUILD) $(srcdir)/sysinfo.c -Wno-error ; \
52 + LD_LIBRARY_PATH= $(CC_FOR_BUILD) -c -I. $(AM_CFLAGS) $(CFLAGS_FOR_BUILD) $(srcdir)/sysinfo.c -Wno-error ; \
55 bin2c$(EXEEXT_FOR_BUILD):
56 - $(CC_FOR_BUILD) -o $@ $(AM_CPPFLAGS) $(AM_CFLAGS) $(CFLAGS_FOR_BUILD) $(LDFLAGS_FOR_BUILD) $(srcdir)/bin2c.c $(srcdir)/version.c
57 + LD_LIBRARY_PATH= $(CC_FOR_BUILD) -o $@ $(AM_CPPFLAGS) $(AM_CFLAGS) $(CFLAGS_FOR_BUILD) $(LDFLAGS_FOR_BUILD) $(srcdir)/bin2c.c $(srcdir)/version.c
60 sed "s@^program_transform_name=@program_transform_name=$(program_transform_name)@" < $< > $@
61 Index: binutils-2.20/binutils/Makefile.in
62 ===================================================================
63 --- binutils-2.20.orig/binutils/Makefile.in 2009-12-30 15:30:44.582922535 -0800
64 +++ binutils-2.20/binutils/Makefile.in 2009-12-30 15:33:47.322422313 -0800
65 @@ -1193,24 +1193,24 @@ sysroff.h: sysinfo$(EXEEXT_FOR_BUILD) sy
66 ./sysinfo$(EXEEXT_FOR_BUILD) -d <$(srcdir)/sysroff.info >sysroff.h
68 sysinfo$(EXEEXT_FOR_BUILD): sysinfo.o syslex.o
69 - $(CC_FOR_BUILD) $(CFLAGS_FOR_BUILD) $(LDFLAGS_FOR_BUILD) -o $@ sysinfo.o syslex.o
70 + LD_LIBRARY_PATH= $(CC_FOR_BUILD) $(CFLAGS_FOR_BUILD) $(LDFLAGS_FOR_BUILD) -o $@ sysinfo.o syslex.o
72 syslex.o: syslex.c sysinfo.h config.h
73 if [ -r syslex.c ]; then \
74 - $(CC_FOR_BUILD) -c -I. $(AM_CFLAGS) $(CFLAGS_FOR_BUILD) syslex.c -Wno-error ; \
75 + LD_LIBRARY_PATH= $(CC_FOR_BUILD) -c -I. $(AM_CFLAGS) $(CFLAGS_FOR_BUILD) syslex.c -Wno-error ; \
77 - $(CC_FOR_BUILD) -c -I. -I$(srcdir) $(AM_CFLAGS) $(CFLAGS_FOR_BUILD) $(srcdir)/syslex.c -Wno-error ;\
78 + LD_LIBRARY_PATH= $(CC_FOR_BUILD) -c -I. -I$(srcdir) $(AM_CFLAGS) $(CFLAGS_FOR_BUILD) $(srcdir)/syslex.c -Wno-error ;\
82 if [ -r sysinfo.c ]; then \
83 - $(CC_FOR_BUILD) -c -I. $(AM_CFLAGS) $(CFLAGS_FOR_BUILD) sysinfo.c -Wno-error ; \
84 + LD_LIBRARY_PATH= $(CC_FOR_BUILD) -c -I. $(AM_CFLAGS) $(CFLAGS_FOR_BUILD) sysinfo.c -Wno-error ; \
86 - $(CC_FOR_BUILD) -c -I. $(AM_CFLAGS) $(CFLAGS_FOR_BUILD) $(srcdir)/sysinfo.c -Wno-error ; \
87 + LD_LIBRARY_PATH= $(CC_FOR_BUILD) -c -I. $(AM_CFLAGS) $(CFLAGS_FOR_BUILD) $(srcdir)/sysinfo.c -Wno-error ; \
90 bin2c$(EXEEXT_FOR_BUILD):
91 - $(CC_FOR_BUILD) -o $@ $(AM_CPPFLAGS) $(AM_CFLAGS) $(CFLAGS_FOR_BUILD) $(LDFLAGS_FOR_BUILD) $(srcdir)/bin2c.c $(srcdir)/version.c
92 + LD_LIBRARY_PATH= $(CC_FOR_BUILD) -o $@ $(AM_CPPFLAGS) $(AM_CFLAGS) $(CFLAGS_FOR_BUILD) $(LDFLAGS_FOR_BUILD) $(srcdir)/bin2c.c $(srcdir)/version.c
95 sed "s@^program_transform_name=@program_transform_name=$(program_transform_name)@" < $< > $@