# Assume the python binary is ${with_python}/bin/python.
python_prog="${with_python}/bin/python"
python_prefix=
- if test ! -x ${python_prog}; then
+ if test ! -x "${python_prog}"; then
# Fall back to gdb 7.0/7.1 behaviour.
python_prog=missing
python_prefix=${with_python}
fi
- elif test -x ${with_python}; then
+ elif test -x "${with_python}"; then
# While we can't run python compiled for $host (unless host == build),
# the user could write a script that provides the needed information,
# so we support that.
esac
if test "${python_prog}" != missing; then
+ # We have a python program to use, but it may be too old.
+ # Don't flag an error for --with-python=auto (the default).
+ have_python_config=yes
python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
if test $? != 0; then
- AC_ERROR(failure running python-config --includes)
+ have_python_config=failed
+ if test "${with_python}" != auto; then
+ AC_ERROR(failure running python-config --includes)
+ fi
fi
python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
if test $? != 0; then
- AC_ERROR(failure running python-config --ldflags)
+ have_python_config=failed
+ if test "${with_python}" != auto; then
+ AC_ERROR(failure running python-config --ldflags)
+ fi
fi
python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
if test $? != 0; then
- AC_ERROR(failure running python-config --exec-prefix)
+ have_python_config=failed
+ if test "${with_python}" != auto; then
+ AC_ERROR(failure running python-config --exec-prefix)
+ fi
fi
- have_python_config=yes
else
# Fall back to gdb 7.0/7.1 behaviour.
if test -z ${python_prefix}; then
AC_MSG_ERROR([unable to determine python version from ${python_libs}])
;;
esac
- else
+ elif test "${have_python_config}" != failed; then
if test "${have_libpython}" = no; then
AC_TRY_LIBPYTHON(python2.6, have_libpython,
${python_includes}, "${python_libs} -lpython2.6")
${python_includes}, "${python_libs} -lpython2.4")
fi
fi
- if test "${have_libpython}" = python2.6; then
+ if test "${have_libpython}" = python2.7; then
+ AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
+ elif test "${have_libpython}" = python2.6; then
AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
elif test "${have_libpython}" = python2.5; then
AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
AC_FUNC_MMAP
AC_FUNC_VFORK
AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid \
- getgid pipe poll pread64 sbrk setpgid setpgrp setsid \
+ getgid pipe poll pread64 resize_term sbrk setpgid setpgrp setsid \
sigaction sigprocmask sigsetmask socketpair syscall \
- ttrace wborder setlocale iconvlist libiconvlist btowc \
+ ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
setrlimit getrlimit posix_madvise])
AM_LANGINFO_CODESET
;;
esac
+AC_MSG_CHECKING(for the dynamic export flag)
+dynamic_list=false
+if test "${gdb_native}" = yes; then
+ # The dynamically loaded libthread_db needs access to symbols in the gdb
+ # executable. Older GNU ld supports --export-dynamic but --dynamic-list
+ # may not be supported there.
+ old_LDFLAGS="$LDFLAGS"
+ # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
+ RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
+ LDFLAGS="$LDFLAGS $RDYNAMIC"
+ if test "${have_libpython}" = no; then
+ AC_TRY_LINK([], [], [dynamic_list=true])
+ else
+ # Workaround http://bugs.python.org/issue4434 where static
+ # libpythonX.Y.a would get its symbols required for
+ # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
+ # Problem does not happen for the recommended libpythonX.Y.so linkage.
+ old_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS $PYTHON_CFLAGS"
+ AC_RUN_IFELSE(
+ AC_LANG_PROGRAM(
+ [#include "]${have_libpython}[/Python.h"],
+ [int err;
+ Py_Initialize ();
+ err = PyRun_SimpleString ("import itertools\n");
+ Py_Finalize ();
+ return err == 0 ? 0 : 1;]),
+ [dynamic_list=true], [], [true])
+ CFLAGS="$old_CFLAGS"
+ fi
+ LDFLAGS="$old_LDFLAGS"
+fi
+if $dynamic_list; then
+ found="-Wl,--dynamic-list"
+ RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
+else
+ found="-rdynamic"
+ RDYNAMIC="-rdynamic"
+fi
+AC_SUBST(RDYNAMIC)
+AC_MSG_RESULT($found)
dnl For certain native configurations, we need to check whether thread
dnl support can be built in or not.
CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
AC_CHECK_LIB(dl, dlopen)
- if test "$GCC" = "yes" ; then
- # The GNU linker requires the -export-dynamic option to make
- # all symbols visible in the dynamic symbol table.
- hold_ldflags=$LDFLAGS
- AC_MSG_CHECKING(for the ld -export-dynamic flag)
- LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
- AC_TRY_LINK(, [int i;], found=yes, found=no)
- LDFLAGS=$hold_ldflags
- AC_MSG_RESULT($found)
- if test $found = yes; then
- CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic"
- fi
- fi
+ CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
# Sun randomly tweaked the prototypes in <proc_service.h>
# at one point.
AC_MSG_CHECKING(if <proc_service.h> is old)