Dear Libtool team Please see the patch below, which apparently is meant to fix this isssue.
I understand the patch has not been merged. Let me know if you need more info. Thank you Anton > Begin forwarded message: > > From: Anthony Scemama <scem...@irsamc.ups-tlse.fr> > Subject: Re: armflang: error: unknown argument: '-soname' > Date: 22 October 2023 at 11:02:04 BST > To: "Shterenlikht, Anton" <shterenli...@par-tec.com>, "autom...@gnu.org" > <autom...@gnu.org> > > Dear Anton, > > here is a patch for libtool that Francois Coppens and I submitted to > libtool in February. I think we did something went wrong in the PR > process because it has still not been included... Maybe you can submit > it again to the libtool team, it is not a big change and it is quite > important for us too to have this patch included. > > best, > > Anthony > > > $ git diff 1ec8fa28dcb29500d485c136db28315671ec4c3b > diff --git a/m4/libtool.m4 b/m4/libtool.m4 > index 79a2451e..df1a7860 100644 > --- a/m4/libtool.m4 > +++ b/m4/libtool.m4 > @@ -4719,6 +4719,12 @@ m4_if([$1], [CXX], [ > _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' > _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' > ;; > + # ARM flang > + armflang*) > + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' > + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' > + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' > + ;; > # Lahey Fortran 8.1. > lf95*) > _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' > > > > > > On Fri, 2023-10-20 at 10:47 +0000, Shterenlikht, Anton wrote: >> This seems like an automake issue, not libtool. >> >> The libtool produced by running configure has: >> >> 11661 # ### BEGIN LIBTOOL TAG CONFIG: FC >> 11662 >> 11663 # The linker used to build libraries. >> 11664 LD="<some path>/arm-compiler-for-linux_23.10_AmazonLinux-2/gcc- >> 12.2.0_AmazonLinux-2/aarch64-linux-gnu/bin/ld" >> 11665 >> 11666 # How to create reloadable object files. >> 11667 reload_flag=" -r" >> 11668 reload_cmds="\$LD\$reload_flag -o \$output\$reload_objs" >> 11669 >> 11670 # Commands used to build an old-style archive. >> 11671 old_archive_cmds="\$AR \$AR_FLAGS \$oldlib\$oldobjs~\$RANLIB >> \$tool_oldlib" >> 11672 >> 11673 # A language specific compiler. >> 11674 CC="armflang" >> 11675 >> 11676 # Is the compiler the GNU compiler? >> 11677 with_gcc=no >> 11678 >> 11679 # Compiler flag to turn off builtin functions. >> 11680 no_builtin_flag="" >> 11681 >> 11682 # Additional compiler flags for building library objects. >> 11683 pic_flag="" >> 11684 >> 11685 # How to pass a linker flag through the compiler. >> 11686 wl="" >> >> Note that wl= is emtpy. >> >> Compare with the portion of this file for C compiler: >> >> 317 # A language specific compiler. >> 318 CC="mpicc" >> 319 >> 320 # Is the compiler the GNU compiler? >> 321 with_gcc=yes >> 322 >> 323 # Compiler flag to turn off builtin functions. >> 324 no_builtin_flag=" -fno-builtin -fno-rtti -fno-exceptions" >> 325 >> 326 # Additional compiler flags for building library objects. >> 327 pic_flag=" -fPIC -DPIC" >> 328 >> 329 # How to pass a linker flag through the compiler. >> 330 wl="-Wl," >> >> >> This simple patch works: >> >> sed -i 's|wl=""|wl="-Wl,"|' libtool >> >> and gives: >> >> libtool: link: armflang -shared <some *.o files> -g -fopenmp >> -mcpu=neoverse-512tvb -march=armv8.4-a+sve -fopenmp -Wl,-soname >> -Wl,libp2.so.0 -o .libs/libp2.so.0.0.0 >> >> However, this crude hack will not work with "make distcheck", >> because it will generate a new libtool. >> >> Still, I'm trying to understand if this is a bug in autotools, >> and if there is a workaround via edits in configure.ac and/or >> Makefile.am. >> >> Thank you >> >> Anton >> >>> On 20 Oct 2023, at 08:40, Shterenlikht, Anton < >>> shterenli...@par-tec.com> wrote: >>> >>> [also posted in libtool@gnu.org] >>> >>> Please help me understand how to deal correctly with this error: >>> >>> libtool: link: armflang -shared <some *.o files> -g -soname >>> libp2.so.0 -o .libs/libp2.so.0.0.0 >>> armflang: error: unknown argument: '-soname' >>> >>> >>> I see this issue mentioned in multiple places, e.g: >>> >>> https://github.com/HDFGroup/hdf5/issues/366 >>> >>> with the solution that "-Wl," must be prepended somehow to "- >>> soname". >>> >>> But I'm not sure what changes I need to do >>> to my configure.ac and/or Makefile.am >>> to fix this correctly. >>> >>> For comparison, here's how the same line looks like when >>> I use gfortran: >>> >>> libtool: link: gfortran -shared -fPIC <some *.o files> -g >>> -O2 -Wl,-soname -Wl,libp2.so.0 -o .libs/libp2.so.0.0.0 >>> >>> >>> Thank you >>> >>> Anton >> >> >
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