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


From: Bruno Haible
Subject: Re: [platform-testers] coreutils-8.24.161-1204d on Mac OS X 10.5.8
Date: Sun, 17 Jan 2016 11:33:26 +0100
User-agent: KMail/4.8.5 (Linux/3.8.0-44-generic; KDE/4.8.5; x86_64; ; )

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


Bruno




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