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Rewritten the readline test, hopefully it's okay now.

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Guido van Rossum 1996-12-31 22:34:17 +00:00
parent 591bbb1572
commit 8c4ed9ae5d
1 changed files with 60 additions and 31 deletions
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91
configure.in
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@ -243,38 +243,67 @@ AC_MSG_RESULT($withval)
LIBS="$withval $LIBS"
], AC_MSG_RESULT(no))
AC_MSG_CHECKING(for --with-readline)
AC_ARG_WITH(readline, [--with-readline[=DIRECTORY] use GNU readline library], [
AC_MSG_RESULT($withval)
AC_DEFINE(WITH_READLINE)
if test -d "$withval"
then LDFLAGS="$LDFLAGS -L$withval"
AC_MSG_CHECKING(for --with(out)-readline)
use_readline="yes"
AC_ARG_WITH(readline,
[--with-readline=DIRECTORY search GNU readline library in DIRECTORY
--without-readline do not use GNU readline library],
[AC_MSG_RESULT($withval); use_readline="$withval"],
[AC_MSG_RESULT((default) yes)])
if test "$use_readline" != "no"
then
if test "$use_readline" != "yes"
then add_ldflags="-L$use_readline"
else add_ldflags=""
fi
# See where the termcap interface could be hiding...
AC_MSG_CHECKING(for readline and termcap libraries)
AC_CACHE_VAL(ac_cv_readline_termcap,
[
AC_MSG_RESULT(have to find out)
save_libs="$LIBS"
save_ldflags="$LDFLAGS"
LDFLAGS="$save_ldflags $add_ldflags"
rl="-lreadline"
first=""
# Hack for SGI IRIX 5.x.
# Both termcap and gl have an entry point clear().
# When linking with both shared libraries, we're in trouble.
# We don't need the one in termcap.
# By forcing a static link for termcap, we avoid
# linking its clear() entry point.
if test -f /usr/lib/libgl.so -a -f /usr/lib/libtermcap.a
then first="/usr/lib/libtermcap.a"
fi
for add_lib in \
"$first" "-ltermcap" "-ltermlib" "-lcurses" "-lncurses"
do
AC_MSG_CHECKING(for $rl $add_lib)
LIBS="$save_libs $rl $add_lib"
AC_TRY_LINK([extern char *readline();],
[char *line=readline();],
[AC_MSG_RESULT(yes);
ac_cv_readline_termcap="$rl $add_lib"],
[AC_MSG_RESULT(no)])
if test "$ac_cv_readline_termcap" != ""
then break
fi
done
LIBS="$save_libs"
LDFLAGS="$save_ldflags"
AC_MSG_CHECKING(result from check for readline and termcap)
])
if test "$ac_cv_readline_termcap" = ""
then
AC_MSG_RESULT(no)
AC_MSG_WARN(cannot link with GNU readline -- see config.log)
else
AC_MSG_RESULT($ac_cv_readline_termcap)
LIBS="$LIBS $ac_cv_readline_termcap"
LDFLAGS="$LDFLAGS $add_ldflags"
AC_DEFINE(WITH_READLINE)
fi
fi
# first check if we can compile without lib termcap
AC_MSG_CHECKING(for -lreadline without -ltermcap)
# check if a libreadline exists
LIBS="$LIBS -lreadline"
AC_TRY_LINK(extern char *readline();,char *line=readline();,[
AC_MSG_RESULT(yes)],[
AC_MSG_RESULT(no)
AC_CHECKING(for -lreadline that needs -ltermcap)
termcap=
AC_CHECK_LIB(termcap, tgetent, [termcap=termcap], [
AC_CHECK_LIB(termlib, tgetent, [termcap=termlib], [
AC_ERROR(no working -ltermcap/termlib found -- do not use --with-readline)])])
# Avoid possible conflict between shared libraries termcap and gl
# on IRIX 5: both contain a routine called clear.
if test -f /usr/lib/lib$termcap.a
then LIBS="$LIBS /usr/lib/lib$termcap.a"
else LIBS="$LIBS -l$termcap"
fi
AC_MSG_CHECKING(for -lreadline)
AC_TRY_LINK(extern char *readline();, char *line=readline();,[
AC_MSG_RESULT(yes)],[
AC_ERROR(no working GNU readline library found -- do not use --with-readline)])
])
],
AC_MSG_RESULT(no))
AC_MSG_CHECKING(for --with-thread)
AC_ARG_WITH(thread, [--with-thread[=DIRECTORY] make interpreter thread-safe], [