https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119622
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Bruno Haible from comment #0)
> I built gcc version 15-20250323 from source, as usual through ".../configure
> ...", "make", "make install".
>
> Now I can compile a Modula-2 hello-world program, but it references 4
> runtime libraries, which are not present in the installation directories.
> They are present in the build tree, though. The question is: Why did "make
> install" not install them?
>
> Details:
>
> 1) I configured and built this gcc with the commands
>
> version=15-20250323
> ../gcc-$version/configure --build=x86_64-pc-linux-gnu
> --host=x86_64-pc-linux-gnu --target=x86_64-pc-linux-gnu
> --prefix=/arch/x86_64-linux-gnu/gnu-inst-gcc/$version-all --enable-shared
> --enable-nls --enable-threads=posix --enable-__cxa_atexit
> --with-multilib-list=m64
> --with-as=/arch/x86_64-linux-gnu/gnu-inst-binutils/2.38/bin/as
> --with-ld=/arch/x86_64-linux-gnu/gnu-inst-binutils/2.38/bin/ld
> --with-gmp=/arch/x86_64-linux-gnu/gnu-inst-gcc/$version
> --with-mpfr=/arch/x86_64-linux-gnu/gnu-inst-gcc/$version
> --with-mpc=/arch/x86_64-linux-gnu/gnu-inst-gcc/$version
> --with-isl=/arch/x86_64-linux-gnu/gnu-inst-gcc/$version
> --enable-languages=c,c++,objc,obj-c++,lto,jit,fortran,go,d,m2
> --enable-host-shared
> make
> make install
>
> 2) The program foo.mod:
> ======================================================================
> MODULE Hello;
>
> FROM Terminal IMPORT WriteLn, WriteString;
>
> BEGIN
>
> WriteString("Hello, world!");
> WriteLn;
>
> END Hello.
> ======================================================================
>
> 3) Compiling it:
> $ gm2 foo.mod
> $ ldd a.out
> linux-vdso.so.1 (0x00007fff4aeb3000)
> libm2cor.so.20 => not found
> libm2log.so.20 => not found
> libm2pim.so.20 => not found
> libm2iso.so.20 => not found
> libstdc++.so.6 => /lib/x86_64-linux-gnu/libstdc++.so.6
> (0x00007b7e3e000000)
> libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007b7e3e304000)
> libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1
> (0x00007b7e3e2d6000)
> libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007b7e3dc00000)
> /lib64/ld-linux-x86-64.so.2 (0x00007b7e3e413000)
I'll note this doesn't find your installed libstdc++.so.6 either but the
system one. So you'd need to alter LD_LIBRARY_PATH for the installed lib
directory.
> $ ./a.out
> ./a.out: error while loading shared libraries: libm2cor.so.20: cannot open
> shared object file: No such file or directory
>
> 4) In the installation directory:
> $ find /arch/x86_64-linux-gnu/gnu-inst-gcc/15-20250323-all -name 'libm2*'
That's odd. The libraries get installed just fine for me.
