Re: [platform-testers] coreutils-8.24.161-1204d on Mac OS X 10.5.8

[Pádraig Brady]

On 17/01/16 10:33, Bruno Haible wrote:
> Hi Pádraig,
> 
> Test of coreutils-8.24.161-1204d on Mac OS X 10.5.8:
> 
> Compilation fails:
> 
> $ ./configure --prefix=/Users/bruno/data/local-macos CPPFLAGS=-Wall
> $ make
> ...
>   CCLD     src/libstdbuf.so
> Undefined symbols:
>   "_main", referenced from:
>       start in crt1.10.5.o
> ld: symbol(s) not found
> collect2: ld returned 1 exit status
> make[2]: *** [src/libstdbuf.so] Error 1
> make[1]: *** [all-recursive] Error 1
> make: *** [all] Error 2
> 
> Looking more closely which command fails:
> 
> $ make AM_DEFAULT_VERBOSITY=1
> make  all-recursive
> Making all in po
> make[2]: Nothing to be done for `all'.
> Making all in .
> gcc -std=gnu99 -fPIC   -g -O2 -shared  -o src/libstdbuf.so 
> src/src_libstdbuf_so-libstdbuf.o -L/Users/bruno/data/local-macos/lib -lintl 
> -liconv -lc  -Wl,-framework -Wl,CoreFoundation 
> Undefined symbols:
>   "_main", referenced from:
>       start in crt1.10.5.o
> ld: symbol(s) not found
> collect2: ld returned 1 exit status
> make[2]: *** [src/libstdbuf.so] Error 1
> make[1]: *** [all-recursive] Error 1
> make: *** [all] Error 2
> 
> This fails because the gcc here is Apple GCC:
> 
> $ gcc -v
> Using built-in specs.
> Target: i686-apple-darwin9
> Configured with: /var/tmp/gcc/gcc-5465~16/src/configure --disable-checking 
> -enable-werror --prefix=/usr --mandir=/share/man 
> --enable-languages=c,objc,c++,obj-c++ 
> --program-transform-name=/^[cg][^.-]*$/s/$/-4.0/ 
> --with-gxx-include-dir=/include/c++/4.0.0 --with-slibdir=/usr/lib 
> --build=i686-apple-darwin9 --with-arch=apple --with-tune=generic 
> --host=i686-apple-darwin9 --target=i686-apple-darwin9
> Thread model: posix
> gcc version 4.0.1 (Apple Inc. build 5465)
> 
> and it ignores the -shared option.
> 
> The correct command line would be
> 
> $ gcc -std=gnu99 -fPIC   -g -O2 -dynamiclib  -o src/libstdbuf.so 
> src/src_libstdbuf_so-libstdbuf.o -L/Users/bruno/data/local-macos/lib -lintl 
> -liconv -lc  -Wl,-framework -Wl,CoreFoundation 
> 
> or even better, incorporating info from libtool:
> 
> $ gcc -std=gnu99 -fPIC -fno-common -DPIC  -g -O2 -dynamiclib  -o 
> src/libstdbuf.so src/src_libstdbuf_so-libstdbuf.o 
> -L/Users/bruno/data/local-macos/lib -lintl -liconv -lc  -Wl,-framework 
> -Wl,CoreFoundation
> 
> The cause of this portability problem is that the Makefile is attempting to
> create a shared library without libtool.
> 
> "make check" then passes, but of course with some skipped tests:
> 
> no-ctx.sh: skipped test: $CC -shared ... failed to build a shared lib
> SKIP: tests/cp/no-ctx.sh
> r-root.sh: skipped test: $CC -shared ... failed to build a shared lib
> SKIP: tests/rm/r-root.sh
> csplit-io-err.sh: skipped test: $CC -shared ... failed to build a shared lib
> SKIP: tests/misc/csplit-io-err.sh
> nfs-removal-race.sh: skipped test: $CC -shared ... failed to build a shared 
> lib
> SKIP: tests/cp/nfs-removal-race.sh
> no-mtab-status.sh: skipped test: $CC -shared ... failed to build a shared lib
> SKIP: tests/df/no-mtab-status.sh
> skip-duplicates.sh: skipped test: $CC -shared ... failed to build a shared lib
> SKIP: tests/df/skip-duplicates.sh
> getxattr-speedup.sh: skipped test: $CC -shared ... failed to build a shared 
> lib
> SKIP: tests/ls/getxattr-speedup.sh

Thanks a lot for the testing and info.
We tried to avoid libtool only to support the combination of
this single utility on older compilers.  I'll look at if
there is a simple improvement that can be made to the gating
logic in configure.ac

thanks!
Pádraig