shell choking on `( in autoconf generated configure script

[Hi There]

I first reported this bug to the gstreamer folks. The
devs there are saying this is an autoconf issue, not
gstreamer. Original bug report here
http://bugzilla.gnome.org/show_bug.cgi?id=490042

My shell is choking on some gstreamer 0.10.14
configure script lines that contain `( in them,
causing the configure script to abort, outputting:

./configure: line 29966: syntax error near unexpected
token `('
./configure: line 29966: `  for ac_var in `(set) 2>&1
| sed -n
's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do'

A factor in the problem may be that /bin/sh is linked
to zsh on my distro. I tried
replacing all references to /bin/sh in the configure
script with /bin/bash and
starting configure from a bash prompt and got the same
error; I'm not convinced
the configure script was actually using bash for
everything, though. I tried
compiling an earlier version (gstreamer 0.10.9) using
zsh and got a similar error on a
different line:

./configure: line 28214: syntax error near unexpected
token `('
./configure: line 28214: `    case `(ac_space=' '; set
| grep ac_space) 2>&1`
in'

This bug is a "blocker" as it prevents compilation &
package creation on any affected systems.

I've tried
zsh 4.3.4 (i686-pc-linux-gnu)
zsh 4.2.6 (i686-pc-linux-gnu)
GNU bash, version 3.2.0(1)-release (i686-pc-linux-gnu)

I've also tried the tips for for running autoconf +
zsh listed here
http://www.gnu.org/software/autoconf/manual/autoconf-2.57/html_node/autoconf_115.html
to no avail.

GStreamer sources are available here:
http://gstreamer.freedesktop.org/src/gstreamer/gstreamer-0.10.14.tar.bz2

I've used both the configure script as supplied in the
source archive, and I've tried generating my own
configure script with autoconf 2.61; both ways I get
the same errors concerning `(


This bug report lacks tests/testsuite.log because make
check yields error:

make: *** No rule to make target `check'.  Stop.


Here's full output from configure in gstreamer
0.10.14:

checking for a BSD-compatible install...
/System/Links/Executables/install -c
checking whether build environment is sane... yes
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking nano version... 0 (release)
checking whether to enable maintainer-specific
portions of Makefiles... no
checking build system type... i686-pc-linux-gnu
checking host system type... i686-pc-linux-gnu
checking for style of include used by make... GNU
checking for gcc... gcc
checking for C compiler default output file name...
a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables...
checking for suffix of object files... o
checking whether we are using the GNU C compiler...
yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none
needed
checking dependency style of gcc... gcc3
checking for a sed that does not truncate output...
/System/Links/Executables/sed
checking for grep that handles long lines and -e...
/System/Links/Executables/grep
checking for egrep... /System/Links/Executables/grep
-E
checking for ld used by gcc...
/System/Links/Executables/ld
checking if the linker (/System/Links/Executables/ld)
is GNU ld... yes
checking for /System/Links/Executables/ld option to
reload object files... -r
checking for BSD-compatible nm...
/System/Links/Executables/nm -B
checking whether ln -s works... yes
checking how to recognise dependent libraries...
pass_all
checking how to run the C preprocessor... gcc -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking dlfcn.h usability... yes
checking dlfcn.h presence... yes
checking for dlfcn.h... yes
checking for g++... g++
checking whether we are using the GNU C++ compiler...
yes
checking whether g++ accepts -g... yes
checking dependency style of g++... gcc3
checking how to run the C++ preprocessor... g++ -E
checking for g77... no
checking for xlf... no
checking for f77... no
checking for frt... no
checking for pgf77... no
checking for cf77... no
checking for fort77... no
checking for fl32... no
checking for af77... no
checking for xlf90... no
checking for f90... no
checking for pgf90... no
checking for pghpf... no
checking for epcf90... no
checking for gfortran... no
checking for g95... no
checking for xlf95... no
checking for f95... no
checking for fort... no
checking for ifort... no
checking for ifc... no
checking for efc... no
checking for pgf95... no
checking for lf95... no
checking for ftn... no
checking whether we are using the GNU Fortran 77
compiler... no
checking whether  accepts -g... no
checking the maximum length of command line
arguments... expr: syntax error

checking command to parse /System/Links/Executables/nm
-B output from gcc
object... ok
checking for objdir... .libs
checking for ar... ar
checking for ranlib... ranlib
checking for strip... strip
checking if gcc supports -fno-rtti -fno-exceptions...
no
checking for gcc option to produce PIC... -fPIC
checking if gcc PIC flag -fPIC works... yes
checking if gcc static flag -static works... yes
checking if gcc supports -c -o file.o... yes
checking whether the gcc linker
(/System/Links/Executables/ld) supports shared
libraries... yes
checking whether -lc should be explicitly linked in...
no
checking dynamic linker characteristics... GNU/Linux
ld.so
checking how to hardcode library paths into
programs... immediate
checking whether stripping libraries is possible...
yes
checking for shl_load... no
checking for shl_load in -ldld... no
checking for dlopen... no
checking for dlopen in -ldl... yes
checking whether a program can dlopen itself... yes
checking whether a statically linked program can
dlopen itself... no
checking if libtool supports shared libraries... yes
checking whether to build shared libraries... yes
checking whether to build static libraries... yes
configure: creating libtool
appending configuration tag "CXX" to libtool
checking for ld used by g++...
/System/Links/Executables/ld
checking if the linker (/System/Links/Executables/ld)
is GNU ld... yes
checking whether the g++ linker
(/System/Links/Executables/ld) supports shared
libraries... yes
checking for g++ option to produce PIC... -fPIC
checking if g++ PIC flag -fPIC works... yes
checking if g++ static flag -static works... yes
checking if g++ supports -c -o file.o... yes
checking whether the g++ linker
(/System/Links/Executables/ld) supports shared
libraries... yes
checking dynamic linker characteristics... GNU/Linux
ld.so
checking how to hardcode library paths into
programs... immediate
appending configuration tag "F77" to libtool
checking for msgfmt...
/System/Links/Executables/msgfmt
checking for gmsgfmt...
/System/Links/Executables/msgfmt
checking for xgettext...
/System/Links/Executables/xgettext
checking for msgmerge...
/System/Links/Executables/msgmerge
checking for ld used by GCC...
/System/Links/Executables/ld
checking if the linker (/System/Links/Executables/ld)
is GNU ld... yes
checking for shared library run path origin... done
checking whether NLS is requested... yes
checking for GNU gettext in libc... yes
checking for pkg-config...
/System/Links/Executables/pkg-config
checking pkg-config is at least version 0.9.0... yes
checking for VALGRIND... no
configure: Using GStreamer source release as package
name
configure: Using Unknown package origin as package
origin
configure: Using /System/Variable/cache/gstreamer-0.10
as registry cache dir
configure: WARNING: Sissy ! By asking to not build the
tests known to fail, you
hereby waive your right to customer support.  If you
do not agree with this
EULA, please press Ctrl-C before the next line is
printed.  By allowing the
next line to be printed, you expressly acknowledge
your acceptance of this
EULA.
checking whether byte ordering is bigendian... no
checking if unaligned memory access works correctly...
(whitelisted) yes
checking for special C compiler options needed for
large files... no
checking for _FILE_OFFSET_BITS value needed for large
files... 64
checking for gcc... (cached) gcc
checking whether we are using the GNU C compiler...
(cached) yes
checking whether gcc accepts -g... (cached) yes
checking for gcc option to accept ISO C89... (cached)
none needed
checking dependency style of gcc... (cached) gcc3
checking for perl... /System/Links/Executables/perl
checking for bison... /System/Links/Executables/bison
checking bison version 2.3 >= 1.875... yes
checking for flex... /System/Links/Executables/flex
checking flex version 2.5.33 >= 2.5.31... yes
checking for valgrind... no
configure: Looking for Python version >= 2.1
checking for python...
/System/Links/Executables/python
checking "/System/Links/Executables/python":... okay
checking local Python configuration... looks good
checking whether to build plugin documentation... no
(gtk-doc disabled or not
available)
checking for strerror in -lcposix... no
checking for cos in -lm... yes
checking for ANSI C header files... (cached) yes
checking ucontext.h usability... yes
checking ucontext.h presence... yes
checking for ucontext.h... yes
checking sys/socket.h usability... yes
checking sys/socket.h presence... yes
checking for sys/socket.h... yes
checking sys/times.h usability... yes
checking sys/times.h presence... yes
checking for sys/times.h... yes
checking for unistd.h... (cached) yes
checking process.h usability... no
checking process.h presence... no
checking for process.h... no
checking sys/utsname.h usability... yes
checking sys/utsname.h presence... yes
checking for sys/utsname.h... yes
checking for inline... inline
checking to see if compiler understands -fno-common...
yes
checking for sigaction... yes
checking for fork... yes
checking for _LARGEFILE_SOURCE value needed for large
files... no
checking for ftello... yes
checking for fgetpos... yes
checking for fsetpos... yes
checking for stdlib.h... (cached) yes
checking for unistd.h... (cached) yes
checking for getpagesize... yes
checking for working mmap... yes
checking whether gcc implements __PRETTY_FUNCTION__...
yes
checking whether gcc implements __FUNCTION__... yes
checking whether gcc implements __func__... yes
checking for register_printf_function... yes
checking for dladdr in -ldl... yes
checking for inet_aton... yes
checking for GLIB... yes
./configure: line 29966: syntax error near unexpected
token `('
./configure: line 29966: `  for ac_var in `(set) 2>&1
| sed -n
's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do'





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