source: rtems/cpukit/aclocal/check-newlib.m4 @ f26145b

4.104.114.84.95
Last change on this file since f26145b was 863fb4f, checked in by Ralf Corsepius <ralf.corsepius@…>, on 11/26/03 at 06:56:28

2003-11-26 Ralf Corsepius <corsepiu@…>

  • aclocal/canonicalize-tools.m4, aclocal/check-itron.m4, aclocal/check-multiprocessing.m4, aclocal/check-newlib.m4, aclocal/check-posix.m4, aclocal/check-rtems-debug.m4, aclocal/check-tool.m4, aclocal/enable-bare.m4, aclocal/enable-inlines.m4, aclocal/enable-itron.m4, aclocal/enable-multiprocessing.m4, aclocal/enable-networking.m4, aclocal/enable-posix.m4, aclocal/enable-rtems-debug.m4, aclocal/env-rtemscpu.m4, aclocal/gcc-isystem.m4, aclocal/gcc-pipe.m4, aclocal/multi.m4, aclocal/multilib.m4, aclocal/prog-cc.m4, aclocal/rtems-top.m4, aclocal/sysv-ipc.m4: Fix underquoting to silence automake-1.8.
  • Property mode set to 100644
File size: 911 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_LINK_IFELSE(
12      [AC_LANG_PROGRAM([[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    AS_IF([test -z "$rtems_cv_use_newlib"],
18      [AC_LINK_IFELSE(
19         [AC_LANG_PROGRAM([[extern void rtems_provides_crt0() ;]],
20           [[rtems_provides_crt0()]])],
21         [rtems_cv_use_newlib="yes"],[rtems_cv_use_newlib="no"])
22    ])
23  ])
24  RTEMS_USE_NEWLIB="$rtems_cv_use_newlib"
25  AC_SUBST(RTEMS_USE_NEWLIB)
26
27  AS_IF([test x"${RTEMS_USE_NEWLIB}" = x"yes"],
28    [ AC_DEFINE_UNQUOTED(RTEMS_NEWLIB,1,[if using newlib])]
29  )
30])
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