source: rtems/aclocal/check-newlib.m4 @ 1033e27

4.104.114.84.9
Last change on this file since 1033e27 was 1033e27, checked in by Joel Sherrill <joel.sherrill@…>, on Nov 15, 2000 at 9:56:52 PM

2000-11-13 Ralf Corsepius <corsepiu@…>

  • aclocal/canonical-host.m4: Abandon changequotes (autoconf-2.49b).
  • aclocal/check-newlib.m4: Let check message refer to RTEMS newlib.
  • aclocal/rtems-debug.m4: Fix formating and contents of the check's help string.
  • aclocal/rtems-top.m4: Remove AC_ARG_WITH(target-subdir).
  • Property mode set to 100644
File size: 900 bytes
Line 
1dnl $Id$
2
3AC_DEFUN(RTEMS_CHECK_NEWLIB,
4[dnl
5AC_REQUIRE([RTEMS_PROG_CC_FOR_TARGET])dnl
6AC_REQUIRE([RTEMS_CANONICALIZE_TOOLS])dnl
7AC_CACHE_CHECK([for RTEMS newlib],
8  rtems_cv_use_newlib,
9  [
10dnl some versions of newlib provide not_required_by_rtems
11    AC_TRY_LINK(
12      [extern void not_required_by_rtems() ;],
13      [not_required_by_rtems()],
14      rtems_cv_use_newlib="yes")
15
16dnl some versions of newlib provide rtems_provides_crt0()
17    if test -z "$rtems_cv_use_newlib"; then
18      AC_TRY_LINK(
19        [extern void rtems_provides_crt0() ;],
20        [rtems_provides_crt0()],
21        rtems_cv_use_newlib="yes",
22        rtems_cv_use_newlib="no")
23    fi
24  ])
25RTEMS_USE_NEWLIB="$rtems_cv_use_newlib"
26AC_SUBST(RTEMS_USE_NEWLIB)
27
28if test x"${RTEMS_USE_NEWLIB}" = x"yes";
29then
30  AC_DEFINE_UNQUOTED(RTEMS_NEWLIB,1,[if using newlib])
31  AC_DEFINE_UNQUOTED(MALLOC_PROVIDED,1,[if malloc is provided])
32fi
33])
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