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dnl Check for libreadline of proper version
AC_DEFUN(READLINE_CHECK,
[AC_MSG_CHECKING(for readline)
AC_CACHE_VAL(lftp_cv_precompiled_readline,
[
old_LIBS="$LIBS"
LIBS="-lreadline $READLINE_SUPPLIB $LIBS"
AC_TRY_LINK([extern int (*rl_getc_function)();],
[rl_getc_function=0;],
lftp_cv_precompiled_readline=yes,
lftp_cv_precompiled_readline=no)
LIBS="$old_LIBS"
])
if test $lftp_cv_precompiled_readline = yes; then
READLINE_DIR=''
AC_MSG_RESULT(yes)
READLINE='-lreadline'
READLINE_DEPEND=''
COMPILE_READLINE=no
else
READLINE_DIR=readline-2.2
AC_MSG_RESULT(no - will compile)
AC_CONFIG_SUBDIRS($READLINE_DIR)
LINK_SRC="$LINK_SRC $READLINE_DIR"
LINK_DST="$LINK_DST include/readline"
READLINE='-L$(top_builddir)/$(READLINE_DIR) -lreadline'
READLINE_DEPEND='$(top_builddir)/$(READLINE_DIR)/libreadline.a'
COMPILE_READLINE=yes
fi
AC_SUBST(COMPILE_READLINE)
AC_SUBST(READLINE_DIR)
AC_SUBST(READLINE_DEPEND)
AC_SUBST(READLINE)
])
dnl check if c++ compiler can use dynamic initializers for static variables
AC_DEFUN(CXX_DYNAMIC_INITIALIZERS,
[
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_MSG_CHECKING(if c++ compiler can handle dynamic initializers)
AC_TRY_RUN(
[
int f() { return 1; }
int a=f();
int main()
{
exit(1-a);
}
],
[cxx_dynamic_init=yes],
[cxx_dynamic_init=no],
[cxx_dynamic_init=yes])
AC_MSG_RESULT($cxx_dynamic_init)
if test x$cxx_dynamic_init = xno; then
AC_MSG_ERROR(C++ compiler cannot handle dynamic initializers of static objects)
fi
AC_LANG_RESTORE
])
dnl Check for size of addr length argument
AC_DEFUN(ADDRLEN_TYPE_CHECK,
[
AC_MSG_CHECKING(for addrlen type)
AC_CACHE_VAL(lftp_cv_addrlen_type,
[
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
old_CXXFLAGS="$CXXFLAGS"
if test "$GXX" = yes; then
CXXFLAGS="$CXXFLAGS -Werror"
fi
lftp_cv_addrlen_type=unknown
for type in socklen_t size_t int; do
AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/socket.h>
],
[
$type len;
getpeername(0,0,&len);
],
[
lftp_cv_addrlen_type=$type
break
])
done
AC_LANG_RESTORE
CXXFLAGS="$old_CXXFLAGS"
])
if test $lftp_cv_addrlen_type = unknown; then
ADDRLEN_TYPE=int
AC_MSG_RESULT(unknown - assuming $ADDRLEN_TYPE)
else
ADDRLEN_TYPE=$lftp_cv_addrlen_type
AC_MSG_RESULT($ADDRLEN_TYPE)
fi
AC_DEFINE_UNQUOTED(ADDRLEN_TYPE, $ADDRLEN_TYPE)
])
AC_DEFUN(LFTP_FUNC_POLL,
[
AC_MSG_CHECKING(for working poll)
AC_CACHE_VAL(lftp_cv_func_poll_works,
[
AC_TRY_RUN([int main() { return poll(0,0,0)!=0; }],
[lftp_cv_func_poll_works=yes;],
[lftp_cv_func_poll_works=no;],
[lftp_cv_func_poll_works=no;])
])
AC_MSG_RESULT($lftp_cv_func_poll_works)
if test $lftp_cv_func_poll_works = yes; then
AC_DEFINE(HAVE_POLL)
fi
])
AC_DEFUN(LFTP_PROG_CXXLINK,
[
AC_MSG_CHECKING(how to link simple c++ programs)
if test "$GCC" = yes -a "$GXX" = yes; then
old_CXX="$CXX"
CXX="$CC"
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_TRY_COMPILE([],[char *a=new char[10]; exit(0);],
[],[CXX="$old_CXX";])
AC_LANG_RESTORE
fi
AC_MSG_RESULT(using $CXX)
])
|
