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Go Back   Linux Archive > ArchLinux > ArchLinux Pacman Development

 
 
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Old 03-19-2011, 07:28 PM
Lukas Fleischer
 
Default Add "-Wl,--as-needed" to libalpm LDFLAGS.

Also includes a Debian patch (from #347650) that makes libtool play
nicely with "-Wl,--as-needed".

Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de>
---
lib/libalpm/Makefile.am | 2 +-
ltmain.sh | 14 ++++++++++++++
2 files changed, 15 insertions(+), 1 deletions(-)

diff --git a/lib/libalpm/Makefile.am b/lib/libalpm/Makefile.am
index 1bda571..4c329b8 100644
--- a/lib/libalpm/Makefile.am
+++ b/lib/libalpm/Makefile.am
@@ -52,7 +52,7 @@ libalpm_la_SOURCES +=
md5.h md5.c
endif

-libalpm_la_LDFLAGS = -no-undefined -version-info $(LIB_VERSION_INFO)
+libalpm_la_LDFLAGS = -no-undefined -version-info $(LIB_VERSION_INFO) -Wl,--as-needed
libalpm_la_LIBADD = $(LTLIBINTL)

# vim:set ts=2 sw=2 noet:
diff --git a/ltmain.sh b/ltmain.sh
index 6c02b18..4e98c79 100755
--- a/ltmain.sh
+++ b/ltmain.sh
@@ -5790,6 +5790,11 @@ func_mode_link ()
arg=$func_stripname_result
;;

+ -Wl,--as-needed|-Wl,--no-as-needed)
+ deplibs="$deplibs $arg"
+ continue
+ ;;
+
-Wl,*)
func_stripname '-Wl,' ' "$arg"
args=$func_stripname_result
@@ -6150,6 +6155,15 @@ func_mode_link ()
lib=
found=no
case $deplib in
+ -Wl,--as-needed|-Wl,--no-as-needed)
+ if test "$linkmode,$pass" = "prog,link"; then
+ compile_deplibs="$deplib $compile_deplibs"
+ finalize_deplibs="$deplib $finalize_deplibs"
+ else
+ deplibs="$deplib $deplibs"
+ fi
+ continue
+ ;;
-mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe|-threads)
if test "$linkmode,$pass" = "prog,link"; then
compile_deplibs="$deplib $compile_deplibs"
--
1.7.4.1
 
Old 03-19-2011, 07:38 PM
Lukas Fleischer
 
Default Add "-Wl,--as-needed" to libalpm LDFLAGS.

On Sat, Mar 19, 2011 at 09:28:34PM +0100, Lukas Fleischer wrote:
> Also includes a Debian patch (from #347650) that makes libtool play
> nicely with "-Wl,--as-needed".
>
> Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de>
> ---
> lib/libalpm/Makefile.am | 2 +-
> ltmain.sh | 14 ++++++++++++++
> 2 files changed, 15 insertions(+), 1 deletions(-)

Oh, and in case it turns out there's no proper solution, we might still
consider adding this patch to the PKGBUILD only, so other platforms
won't be affected.
 
Old 03-19-2011, 10:29 PM
Allan McRae
 
Default Add "-Wl,--as-needed" to libalpm LDFLAGS.

On 20/03/11 06:28, Lukas Fleischer wrote:

Also includes a Debian patch (from #347650) that makes libtool play
nicely with "-Wl,--as-needed".

Signed-off-by: Lukas Fleischer<archlinux@cryptocrack.de>
---
lib/libalpm/Makefile.am | 2 +-
ltmain.sh | 14 ++++++++++++++
2 files changed, 15 insertions(+), 1 deletions(-)

diff --git a/lib/libalpm/Makefile.am b/lib/libalpm/Makefile.am
index 1bda571..4c329b8 100644
--- a/lib/libalpm/Makefile.am
+++ b/lib/libalpm/Makefile.am
@@ -52,7 +52,7 @@ libalpm_la_SOURCES +=
md5.h md5.c
endif

-libalpm_la_LDFLAGS = -no-undefined -version-info $(LIB_VERSION_INFO)
+libalpm_la_LDFLAGS = -no-undefined -version-info $(LIB_VERSION_INFO) -Wl,--as-needed


This part is not needed. With the changes below the build obeys the
given LDFLAGS. Unless of course we want to make this the default.




libalpm_la_LIBADD = $(LTLIBINTL)

# vim:set ts=2 sw=2 noet:
diff --git a/ltmain.sh b/ltmain.sh
index 6c02b18..4e98c79 100755
--- a/ltmain.sh
+++ b/ltmain.sh
@@ -5790,6 +5790,11 @@ func_mode_link ()
arg=$func_stripname_result
;;

+ -Wl,--as-needed|-Wl,--no-as-needed)
+ deplibs="$deplibs $arg"
+ continue
+ ;;
+
-Wl,*)
func_stripname '-Wl,' ' "$arg"
args=$func_stripname_result
@@ -6150,6 +6155,15 @@ func_mode_link ()
lib=
found=no
case $deplib in
+ -Wl,--as-needed|-Wl,--no-as-needed)
+ if test "$linkmode,$pass" = "prog,link"; then
+ compile_deplibs="$deplib $compile_deplibs"
+ finalize_deplibs="$deplib $finalize_deplibs"
+ else
+ deplibs="$deplib $deplibs"
+ fi
+ continue
+ ;;
-mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe|-threads)
if test "$linkmode,$pass" = "prog,link"; then
compile_deplibs="$deplib $compile_deplibs"


This hack will do until libtool gets it fixed. Just to clarify what
the issues is here, libtool likes to reorder arguments that you pass to
it. That puts -Wl,--as-needed after all the -lfoo statements which
stops it working. And this is a hack as it requires -Wl,--as-needed to
be separately specified (-Wl,--as-needed,--something-else will not
work). But this fix is in widespread use while we wait for the proper
fix so I will give it an ack.


Allan
 
Old 03-20-2011, 03:01 PM
Dan McGee
 
Default Add "-Wl,--as-needed" to libalpm LDFLAGS.

On Sat, Mar 19, 2011 at 6:29 PM, Allan McRae <allan@archlinux.org> wrote:
> On 20/03/11 06:28, Lukas Fleischer wrote:
>>
>> Also includes a Debian patch (from #347650) that makes libtool play
>> nicely with "-Wl,--as-needed".
>>
>> Signed-off-by: Lukas Fleischer<archlinux@cryptocrack.de>
>> ---
>> *lib/libalpm/Makefile.am | * *2 +-
>> *ltmain.sh * * * * * * * | * 14 ++++++++++++++
>> *2 files changed, 15 insertions(+), 1 deletions(-)
>>
>> diff --git a/lib/libalpm/Makefile.am b/lib/libalpm/Makefile.am
>> index 1bda571..4c329b8 100644
>> --- a/lib/libalpm/Makefile.am
>> +++ b/lib/libalpm/Makefile.am
>> @@ -52,7 +52,7 @@ libalpm_la_SOURCES +=
>> * * * *md5.h md5.c
>> *endif
>>
>> -libalpm_la_LDFLAGS = -no-undefined -version-info $(LIB_VERSION_INFO)
>> +libalpm_la_LDFLAGS = -no-undefined -version-info $(LIB_VERSION_INFO)
>> -Wl,--as-needed
>
> This part is not needed. * With the changes below the build obeys the given
> LDFLAGS. * Unless of course we want to make this the default.
>
>
>> *libalpm_la_LIBADD = $(LTLIBINTL)
>>
>> *# vim:set ts=2 sw=2 noet:
>> diff --git a/ltmain.sh b/ltmain.sh
>> index 6c02b18..4e98c79 100755
>> --- a/ltmain.sh
>> +++ b/ltmain.sh
>> @@ -5790,6 +5790,11 @@ func_mode_link ()
>> * * * *arg=$func_stripname_result
>> * * * *;;
>>
>> + * * *-Wl,--as-needed|-Wl,--no-as-needed)
>> + * * * deplibs="$deplibs $arg"
>> + * * * continue
>> + * * * ;;
>> +
>> * * * *-Wl,*)
>> * * * *func_stripname '-Wl,' ' "$arg"
>> * * * *args=$func_stripname_result
>> @@ -6150,6 +6155,15 @@ func_mode_link ()
>> * * * *lib=
>> * * * *found=no
>> * * * *case $deplib in
>> + * * * -Wl,--as-needed|-Wl,--no-as-needed)
>> + * * * * if test "$linkmode,$pass" = "prog,link"; then
>> + * * * * * compile_deplibs="$deplib $compile_deplibs"
>> + * * * * * finalize_deplibs="$deplib $finalize_deplibs"
>> + * * * * else
>> + * * * * * deplibs="$deplib $deplibs"
>> + * * * * fi
>> + * * * * continue
>> + * * * * ;;
>>
>> *-mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe|-threads)
>> * * * * *if test "$linkmode,$pass" = "prog,link"; then
>> * * * * * *compile_deplibs="$deplib $compile_deplibs"
>
> This hack will do until libtool gets it fixed. * Just to clarify what the
> issues is here, libtool likes to reorder arguments that you pass to it.
> *That puts -Wl,--as-needed after all the -lfoo statements which stops it
> working. * And this is a hack as it requires -Wl,--as-needed to be
> separately specified *(-Wl,--as-needed,--something-else will not work). *But
> this fix is in widespread use while we wait for the proper fix so I will
> give it an ack.

So the tl;dr part of all this- include the ltmain.sh changes but not
the Makefile.am ones, correct?

-Dan
 
Old 03-20-2011, 03:29 PM
Dan McGee
 
Default Add "-Wl,--as-needed" to libalpm LDFLAGS.

On Sat, Mar 19, 2011 at 6:29 PM, Allan McRae <allan@archlinux.org> wrote:
> On 20/03/11 06:28, Lukas Fleischer wrote:
>>
>> Also includes a Debian patch (from #347650) that makes libtool play
>> nicely with "-Wl,--as-needed".
>>
>> Signed-off-by: Lukas Fleischer<archlinux@cryptocrack.de>
>> ---
>> *lib/libalpm/Makefile.am | * *2 +-
>> *ltmain.sh * * * * * * * | * 14 ++++++++++++++
>> *2 files changed, 15 insertions(+), 1 deletions(-)
>>
>> diff --git a/lib/libalpm/Makefile.am b/lib/libalpm/Makefile.am
>> index 1bda571..4c329b8 100644
>> --- a/lib/libalpm/Makefile.am
>> +++ b/lib/libalpm/Makefile.am
>> @@ -52,7 +52,7 @@ libalpm_la_SOURCES +=
>> * * * *md5.h md5.c
>> *endif
>>
>> -libalpm_la_LDFLAGS = -no-undefined -version-info $(LIB_VERSION_INFO)
>> +libalpm_la_LDFLAGS = -no-undefined -version-info $(LIB_VERSION_INFO)
>> -Wl,--as-needed
>
> This part is not needed. * With the changes below the build obeys the given
> LDFLAGS. * Unless of course we want to make this the default.
>
>
>> *libalpm_la_LIBADD = $(LTLIBINTL)
>>
>> *# vim:set ts=2 sw=2 noet:
>> diff --git a/ltmain.sh b/ltmain.sh
>> index 6c02b18..4e98c79 100755
>> --- a/ltmain.sh
>> +++ b/ltmain.sh
>> @@ -5790,6 +5790,11 @@ func_mode_link ()
>> * * * *arg=$func_stripname_result
>> * * * *;;
>>
>> + * * *-Wl,--as-needed|-Wl,--no-as-needed)
>> + * * * deplibs="$deplibs $arg"
>> + * * * continue
>> + * * * ;;
>> +
>> * * * *-Wl,*)
>> * * * *func_stripname '-Wl,' ' "$arg"
>> * * * *args=$func_stripname_result
>> @@ -6150,6 +6155,15 @@ func_mode_link ()
>> * * * *lib=
>> * * * *found=no
>> * * * *case $deplib in
>> + * * * -Wl,--as-needed|-Wl,--no-as-needed)
>> + * * * * if test "$linkmode,$pass" = "prog,link"; then
>> + * * * * * compile_deplibs="$deplib $compile_deplibs"
>> + * * * * * finalize_deplibs="$deplib $finalize_deplibs"
>> + * * * * else
>> + * * * * * deplibs="$deplib $deplibs"
>> + * * * * fi
>> + * * * * continue
>> + * * * * ;;
>>
>> *-mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe|-threads)
>> * * * * *if test "$linkmode,$pass" = "prog,link"; then
>> * * * * * *compile_deplibs="$deplib $compile_deplibs"
>
> This hack will do until libtool gets it fixed. * Just to clarify what the
> issues is here, libtool likes to reorder arguments that you pass to it.
> *That puts -Wl,--as-needed after all the -lfoo statements which stops it
> working. * And this is a hack as it requires -Wl,--as-needed to be
> separately specified *(-Wl,--as-needed,--something-else will not work). *But
> this fix is in widespread use while we wait for the proper fix so I will
> give it an ack.

Applied this but still seeing problems...hmm.

/bin/sh ../../libtool --tag=CC --mode=link gcc -std=gnu99 -pedantic
-D_GNU_SOURCE -fvisibility=internal -fgnu89-inline -march=x86-64
-mtune=generic -O2 -pipe -fstack-protector-all -D_FORTIFY_SOURCE=2 -g
-Wall -Werror -no-undefined -version-info 6:0:0 -Wl,--hash-style=gnu
-Wl,--as-needed -o libalpm.la -rpath /usr/lib add.lo alpm.lo
alpm_list.lo backup.lo be_local.lo be_package.lo be_sync.lo
conflict.lo db.lo delta.lo deps.lo diskspace.lo dload.lo error.lo
group.lo handle.lo log.lo package.lo pkghash.lo remove.lo sync.lo
trans.lo util.lo version.lo -lfetch -lssl -larchive -lssp
libtool: link: gcc -std=gnu99 -shared -fPIC -DPIC .libs/add.o
.libs/alpm.o .libs/alpm_list.o .libs/backup.o .libs/be_local.o
.libs/be_package.o .libs/be_sync.o .libs/conflict.o .libs/db.o
.libs/delta.o .libs/deps.o .libs/diskspace.o .libs/dload.o
.libs/error.o .libs/group.o .libs/handle.o .libs/log.o .libs/package.o
.libs/pkghash.o .libs/remove.o .libs/sync.o .libs/trans.o .libs/util.o
.libs/version.o -Wl,--as-needed -lfetch -lssl /usr/lib/libarchive.so
-lacl -lattr -lexpat -llzma -lbz2 -lz -lcrypto -lssp -march=x86-64
-mtune=generic -O2 -Wl,--hash-style=gnu -Wl,-soname -Wl,libalpm.so.6
-o .libs/libalpm.so.6.0.0
libtool: link: (cd ".libs" && rm -f "libalpm.so.6" && ln -s
"libalpm.so.6.0.0" "libalpm.so.6")
libtool: link: (cd ".libs" && rm -f "libalpm.so" && ln -s
"libalpm.so.6.0.0" "libalpm.so")
libtool: link: ar cru .libs/libalpm.a add.o alpm.o alpm_list.o
backup.o be_local.o be_package.o be_sync.o conflict.o db.o delta.o
deps.o diskspace.o dload.o error.o group.o handle.o log.o package.o
pkghash.o remove.o sync.o trans.o util.o version.o
libtool: link: ranlib .libs/libalpm.a
libtool: link: ( cd ".libs" && rm -f "libalpm.la" && ln -s
"../libalpm.la" "libalpm.la" )


dmcgee@galway ~/projects/pacman-maint (maint)
$ ldd lib/libalpm/.libs/libalpm.so
linux-vdso.so.1 => (0x00007fff38dff000)
libfetch.so => /usr/lib/libfetch.so (0x00007faf13b0e000)
libarchive.so.2 => /usr/lib/libarchive.so.2 (0x00007faf138cb000)
libcrypto.so.1.0.0 => /usr/lib/libcrypto.so.1.0.0 (0x00007faf1350e000)
libssp.so.0 => /usr/lib/libssp.so.0 (0x00007faf1330c000)
libc.so.6 => /lib/libc.so.6 (0x00007faf12fab000)
libssl.so.1.0.0 => /usr/lib/libssl.so.1.0.0 (0x00007faf12d4e000)
libacl.so.1 => /lib/libacl.so.1 (0x00007faf12b47000)
libattr.so.1 => /lib/libattr.so.1 (0x00007faf12943000)
libexpat.so.1 => /usr/lib/libexpat.so.1 (0x00007faf12719000)
liblzma.so.5 => /usr/lib/liblzma.so.5 (0x00007faf124f7000)
libbz2.so.1.0 => /lib/libbz2.so.1.0 (0x00007faf122e7000)
libz.so.1 => /usr/lib/libz.so.1 (0x00007faf120ce000)
libdl.so.2 => /lib/libdl.so.2 (0x00007faf11eca000)
/lib/ld-linux-x86-64.so.2 (0x00007faf13f76000)
libpthread.so.0 => /lib/libpthread.so.0 (0x00007faf11cac000)
 
Old 03-20-2011, 05:49 PM
Lukas Fleischer
 
Default Add "-Wl,--as-needed" to libalpm LDFLAGS.

On Sun, Mar 20, 2011 at 11:01:27AM -0500, Dan McGee wrote:
> On Sat, Mar 19, 2011 at 6:29 PM, Allan McRae <allan@archlinux.org> wrote:
> > On 20/03/11 06:28, Lukas Fleischer wrote:
> >>
> >> Also includes a Debian patch (from #347650) that makes libtool play
> >> nicely with "-Wl,--as-needed".
> >>
> >> Signed-off-by: Lukas Fleischer<archlinux@cryptocrack.de>
> >> ---
> >> *lib/libalpm/Makefile.am | * *2 +-
> >> *ltmain.sh * * * * * * * | * 14 ++++++++++++++
> >> *2 files changed, 15 insertions(+), 1 deletions(-)
> >>
> >> diff --git a/lib/libalpm/Makefile.am b/lib/libalpm/Makefile.am
> >> index 1bda571..4c329b8 100644
> >> --- a/lib/libalpm/Makefile.am
> >> +++ b/lib/libalpm/Makefile.am
> >> @@ -52,7 +52,7 @@ libalpm_la_SOURCES +=
> >> * * * *md5.h md5.c
> >> *endif
> >>
> >> -libalpm_la_LDFLAGS = -no-undefined -version-info $(LIB_VERSION_INFO)
> >> +libalpm_la_LDFLAGS = -no-undefined -version-info $(LIB_VERSION_INFO)
> >> -Wl,--as-needed
> >
> > This part is not needed. * With the changes below the build obeys the given
> > LDFLAGS. * Unless of course we want to make this the default.
> >
> >
> >> *libalpm_la_LIBADD = $(LTLIBINTL)
> >>
> >> *# vim:set ts=2 sw=2 noet:
> >> diff --git a/ltmain.sh b/ltmain.sh
> >> index 6c02b18..4e98c79 100755
> >> --- a/ltmain.sh
> >> +++ b/ltmain.sh
> >> @@ -5790,6 +5790,11 @@ func_mode_link ()
> >> * * * *arg=$func_stripname_result
> >> * * * *;;
> >>
> >> + * * *-Wl,--as-needed|-Wl,--no-as-needed)
> >> + * * * deplibs="$deplibs $arg"
> >> + * * * continue
> >> + * * * ;;
> >> +
> >> * * * *-Wl,*)
> >> * * * *func_stripname '-Wl,' ' "$arg"
> >> * * * *args=$func_stripname_result
> >> @@ -6150,6 +6155,15 @@ func_mode_link ()
> >> * * * *lib=
> >> * * * *found=no
> >> * * * *case $deplib in
> >> + * * * -Wl,--as-needed|-Wl,--no-as-needed)
> >> + * * * * if test "$linkmode,$pass" = "prog,link"; then
> >> + * * * * * compile_deplibs="$deplib $compile_deplibs"
> >> + * * * * * finalize_deplibs="$deplib $finalize_deplibs"
> >> + * * * * else
> >> + * * * * * deplibs="$deplib $deplibs"
> >> + * * * * fi
> >> + * * * * continue
> >> + * * * * ;;
> >>
> >> *-mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe|-threads)
> >> * * * * *if test "$linkmode,$pass" = "prog,link"; then
> >> * * * * * *compile_deplibs="$deplib $compile_deplibs"
> >
> > This hack will do until libtool gets it fixed. * Just to clarify what the
> > issues is here, libtool likes to reorder arguments that you pass to it.
> > *That puts -Wl,--as-needed after all the -lfoo statements which stops it
> > working. * And this is a hack as it requires -Wl,--as-needed to be
> > separately specified *(-Wl,--as-needed,--something-else will not work). *But
> > this fix is in widespread use while we wait for the proper fix so I will
> > give it an ack.
>
> So the tl;dr part of all this- include the ltmain.sh changes but not
> the Makefile.am ones, correct?

Yes, sounds reasonable. Fix libtool ignoring "-Wl,--as-needed" but leave
the decision whether to actually strip indirect dependencies to the
packager.
 
Old 03-20-2011, 05:51 PM
Lukas Fleischer
 
Default Add "-Wl,--as-needed" to libalpm LDFLAGS.

On Sun, Mar 20, 2011 at 11:29:32AM -0500, Dan McGee wrote:
> Applied this but still seeing problems...hmm.
>
> /bin/sh ../../libtool --tag=CC --mode=link gcc -std=gnu99 -pedantic
> -D_GNU_SOURCE -fvisibility=internal -fgnu89-inline -march=x86-64
> -mtune=generic -O2 -pipe -fstack-protector-all -D_FORTIFY_SOURCE=2 -g
> -Wall -Werror -no-undefined -version-info 6:0:0 -Wl,--hash-style=gnu
> -Wl,--as-needed -o libalpm.la -rpath /usr/lib add.lo alpm.lo
> alpm_list.lo backup.lo be_local.lo be_package.lo be_sync.lo
> conflict.lo db.lo delta.lo deps.lo diskspace.lo dload.lo error.lo
> group.lo handle.lo log.lo package.lo pkghash.lo remove.lo sync.lo
> trans.lo util.lo version.lo -lfetch -lssl -larchive -lssp
> libtool: link: gcc -std=gnu99 -shared -fPIC -DPIC .libs/add.o
> .libs/alpm.o .libs/alpm_list.o .libs/backup.o .libs/be_local.o
> .libs/be_package.o .libs/be_sync.o .libs/conflict.o .libs/db.o
> .libs/delta.o .libs/deps.o .libs/diskspace.o .libs/dload.o
> .libs/error.o .libs/group.o .libs/handle.o .libs/log.o .libs/package.o
> .libs/pkghash.o .libs/remove.o .libs/sync.o .libs/trans.o .libs/util.o
> .libs/version.o -Wl,--as-needed -lfetch -lssl /usr/lib/libarchive.so
> -lacl -lattr -lexpat -llzma -lbz2 -lz -lcrypto -lssp -march=x86-64
> -mtune=generic -O2 -Wl,--hash-style=gnu -Wl,-soname -Wl,libalpm.so.6
> -o .libs/libalpm.so.6.0.0
> libtool: link: (cd ".libs" && rm -f "libalpm.so.6" && ln -s
> "libalpm.so.6.0.0" "libalpm.so.6")
> libtool: link: (cd ".libs" && rm -f "libalpm.so" && ln -s
> "libalpm.so.6.0.0" "libalpm.so")
> libtool: link: ar cru .libs/libalpm.a add.o alpm.o alpm_list.o
> backup.o be_local.o be_package.o be_sync.o conflict.o db.o delta.o
> deps.o diskspace.o dload.o error.o group.o handle.o log.o package.o
> pkghash.o remove.o sync.o trans.o util.o version.o
> libtool: link: ranlib .libs/libalpm.a
> libtool: link: ( cd ".libs" && rm -f "libalpm.la" && ln -s
> "../libalpm.la" "libalpm.la" )
>
>
> dmcgee@galway ~/projects/pacman-maint (maint)
> $ ldd lib/libalpm/.libs/libalpm.so
> linux-vdso.so.1 => (0x00007fff38dff000)
> libfetch.so => /usr/lib/libfetch.so (0x00007faf13b0e000)
> libarchive.so.2 => /usr/lib/libarchive.so.2 (0x00007faf138cb000)
> libcrypto.so.1.0.0 => /usr/lib/libcrypto.so.1.0.0 (0x00007faf1350e000)
> libssp.so.0 => /usr/lib/libssp.so.0 (0x00007faf1330c000)
> libc.so.6 => /lib/libc.so.6 (0x00007faf12fab000)
> libssl.so.1.0.0 => /usr/lib/libssl.so.1.0.0 (0x00007faf12d4e000)
> libacl.so.1 => /lib/libacl.so.1 (0x00007faf12b47000)
> libattr.so.1 => /lib/libattr.so.1 (0x00007faf12943000)
> libexpat.so.1 => /usr/lib/libexpat.so.1 (0x00007faf12719000)
> liblzma.so.5 => /usr/lib/liblzma.so.5 (0x00007faf124f7000)
> libbz2.so.1.0 => /lib/libbz2.so.1.0 (0x00007faf122e7000)
> libz.so.1 => /usr/lib/libz.so.1 (0x00007faf120ce000)
> libdl.so.2 => /lib/libdl.so.2 (0x00007faf11eca000)
> /lib/ld-linux-x86-64.so.2 (0x00007faf13f76000)
> libpthread.so.0 => /lib/libpthread.so.0 (0x00007faf11cac000)
>

ldd(1) lists dependencies recursively - so this one includes indirect
dependencies as well. Use `readelf -d` instead.
 

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