On 15/11/18 12:10 pm, Christopher Samuel wrote:
> I wonder if it's because they use libtool instead?
Yup, it's libtool - using it compile my toy example shows the same
behaviour with "readelf -d" pulling in the private libraries directly. :-(
[csamuel@farnarkle2 libtool]$ cat hhgttg.c
int answer(void)
{
return(42);
}
[csamuel@farnarkle2 libtool]$ libtool compile gcc hhgttg.c -c -o hhgttg.o
libtool: compile: gcc hhgttg.c -c -fPIC -DPIC -o .libs/hhgttg.o
libtool: compile: gcc hhgttg.c -c -o hhgttg.o >/dev/null 2>&1
[csamuel@farnarkle2 libtool]$ libtool link gcc -o libhhgttg.la hhgttg.lo
-lmpi -rpath /usr/local/lib
libtool: link: gcc -shared -fPIC -DPIC .libs/hhgttg.o -Wl,-rpath
-Wl,/apps/skylake/software/compiler/gcc/6.4.0/openmpi/3.0.0/lib
-Wl,-rpath
-Wl,/apps/skylake/software/compiler/gcc/6.4.0/openmpi/3.0.0/lib
/apps/skylake/software/compiler/gcc/6.4.0/openmpi/3.0.0/lib/libmpi.so
-L/apps/skylake/software/core/gcccore/6.4.0/lib64
-L/apps/skylake/software/core/gcccore/6.4.0/lib
-L/apps/skylake/software/compiler/gcc/6.4.0/openmpi/3.0.0/lib
/apps/skylake/software/compiler/gcc/6.4.0/openmpi/3.0.0/lib/libopen-rte.so
/apps/skylake/software/compiler/gcc/6.4.0/openmpi/3.0.0/lib/libopen-pal.so
-ldl -lrt -lutil -lm -lpthread -lz -lhwloc -Wl,-soname
-Wl,libhhgttg.so.0 -o .libs/libhhgttg.so.0.0.0
libtool: link: (cd ".libs" && rm -f "libhhgttg.so.0" && ln -s
"libhhgttg.so.0.0.0" "libhhgttg.so.0")
libtool: link: (cd ".libs" && rm -f "libhhgttg.so" && ln -s
"libhhgttg.so.0.0.0" "libhhgttg.so")
libtool: link: ar cru .libs/libhhgttg.a hhgttg.o
libtool: link: ranlib .libs/libhhgttg.a
libtool: link: ( cd ".libs" && rm -f "libhhgttg.la" && ln -s
"../libhhgttg.la" "libhhgttg.la" )
[csamuel@farnarkle2 libtool]$ readelf -d .libs/libhhgttg.so.0| fgrep -i lib
0x0000000000000001 (NEEDED) Shared library: [libmpi.so.40]
0x0000000000000001 (NEEDED) Shared library:
[libopen-rte.so.40]
0x0000000000000001 (NEEDED) Shared library:
[libopen-pal.so.40]
0x0000000000000001 (NEEDED) Shared library: [libdl.so.2]
0x0000000000000001 (NEEDED) Shared library: [librt.so.1]
0x0000000000000001 (NEEDED) Shared library: [libutil.so.1]
0x0000000000000001 (NEEDED) Shared library: [libm.so.6]
0x0000000000000001 (NEEDED) Shared library: [libpthread.so.0]
0x0000000000000001 (NEEDED) Shared library: [libz.so.1]
0x0000000000000001 (NEEDED) Shared library: [libhwloc.so.5]
0x0000000000000001 (NEEDED) Shared library: [libc.so.6]
0x000000000000000e (SONAME) Library soname: [libhhgttg.so.0]
0x000000000000001d (RUNPATH) Library runpath:
[/apps/skylake/software/compiler/gcc/6.4.0/openmpi/3.0.0/lib]
All the best,
Chris
--
Christopher Samuel OzGrav Senior Data Science Support
ARC Centre of Excellence for Gravitational Wave Discovery
http://www.ozgrav.org/ http://twitter.com/ozgrav
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