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* macros: New directory. * macros/bsp-alias.m4: new file. * macros/canonical-host.m4: new file. * macros/canonical-target-name.m4: new file. * macros/canonicalize-tools.m4: new file. * macros/check-bsp-cache.m4: new file. * macros/check-bsps.m4: new file. * macros/check-cpu.m4: new file. * macros/rtems-debug.m4: new file. * macros/check-cxx.m4: new file. * macros/check-itron.m4: new file. * macros/check-multiprocessing.m4: new file. * macros/check-networking.m4: new file. * macros/check-newlib.m4: new file. * macros/check-posix.m4: new file. * macros/check-rdbg.m4: new file. * macros/enable-bare.m4: new file. * macros/enable-cxx.m4: new file. * macros/enable-gcc28.m4: new file. * macros/enable-inlines.m4: new file. * macros/enable-itron.m4: new file. * macros/enable-libcdir.m4: new file. * macros/enable-multiprocessing.m4: new file. * macros/enable-networking.m4: new file. * macros/enable-posix.m4: new file. * macros/enable-rdbg.m4: new file. * macros/enable-rtemsbsp.m4: new file. * macros/enable-tests.m4: new file. * macros/gcc-pipe.m4: new file. * macros/gcc-specs.m4: new file. * macros/i386-gas-code16.m4: new file. * macros/path-ksh.m4: new file. * macros/path-perl.m4: new file. * macros/prog-cc.m4: new file. * macros/prog-cxx.m4: new file. * macros/project-root.m4: new file. * macros/rtems-top.m4: new file. * macros/sysv-ipc.m4: new file. * macros/target.m4: new file. * macros/rtems-test-no-pause.m4: new file. * macros/multilib.m4: new file. * macros/tool-paths.m4: new file. * macros/tool-prefix.m4: new file.
37 lines
935 B
Plaintext
37 lines
935 B
Plaintext
dnl $Id$
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AC_DEFUN(RTEMS_CHECK_NEWLIB,
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[dnl
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AC_REQUIRE([RTEMS_PROG_CC_FOR_TARGET])dnl
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AC_REQUIRE([RTEMS_CANONICALIZE_TOOLS])dnl
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AC_CACHE_CHECK([for newlib],
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rtems_cv_use_newlib,
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[
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rtems_save_CC=$CC
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dnl some versions of newlib provide not_required_by_rtems
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AC_TRY_LINK(
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[extern void not_required_by_rtems() ;],
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[not_required_by_rtems()],
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rtems_cv_use_newlib="yes")
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dnl some versions of newlib provide rtems_provides_crt0()
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if test -z "$rtems_cv_use_newlib"; then
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AC_TRY_LINK(
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[extern void rtems_provides_crt0() ;],
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[rtems_provides_crt0()],
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rtems_cv_use_newlib="yes",
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rtems_cv_use_newlib="no")
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fi
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CC=$rtems_save_CC])
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RTEMS_USE_NEWLIB="$rtems_cv_use_newlib"
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AC_SUBST(RTEMS_USE_NEWLIB)
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if test x"${RTEMS_USE_NEWLIB}" = x"yes";
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then
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AC_DEFINE_UNQUOTED(RTEMS_NEWLIB,1,[if using newlib])
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AC_DEFINE_UNQUOTED(MALLOC_PROVIDED,1,[if malloc is provided])
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fi
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])
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