-#serial 22
+#serial 24
dnl Misc type-related macros for fileutils, sh-utils, textutils.
AC_SUBST(POW_LIBM)
test $am_cv_func_strtod_needs_libm = yes && POW_LIBM=-lm
+ # See if linking `seq' requires -lm.
+ # It does on nearly every system. The single exception (so far) is
+ # BeOS which doesn't even have a separate math library.
+ AC_SUBST(SEQ_LIBM)
+ ac_seq_body='
+ static double x, y;
+ x = floor (x);
+ x = rint (x);
+ x = modf (x, &y);'
+ AC_TRY_LINK([#include <math.h>], $ac_seq_body, ,
+ [ac_seq_save_LIBS="$LIBS"
+ LIBS="$LIBS -lm"
+ AC_TRY_LINK([#include <math.h>], $ac_seq_body, SEQ_LIBM=-lm)
+ LIBS="$ac_seq_save_LIBS"
+ ])
+
jm_LANGINFO_CODESET
jm_GLIBC21
jm_ICONV
jm_FILE_SYSTEM_USAGE([space=yes], [space=no])
if test $list_mounted_fs = yes && test $space = yes; then
DF_PROG="df"
- LIBOBJS="$LIBOBJS fsusage.$ac_objext"
- LIBOBJS="$LIBOBJS mountlist.$ac_objext"
+ AC_LIBOBJ(fsusage)
+ AC_LIBOBJ(mountlist)
fi
])
# This macro must be invoked before any tests that run the compiler.
AC_DEFUN(jm_CHECK_ALL_TYPES,
[
- # Emit this code into config.h.in.
- # The ifndef is to avoid redefinition warnings.
- AH_VERBATIM([_GNU_SOURCE], [#ifndef _GNU_SOURCE
-# define _GNU_SOURCE
-#endif])
+ # FIXME: I shouldn't have to require this macro here. Rather, it should
+ # be required by any autoconf macro that performs a compile-time test or
+ # otherwise uses confdefs.h.
+ AC_REQUIRE([AC__GNU_SOURCE])
dnl This test must come as early as possible after the compiler configuration
dnl tests, because the choice of the file model can (in principle) affect