forked from Imagelibrary/rtems
9b4422a251
Script does what is expected and tries to do it as smartly as possible. + remove occurrences of two blank comment lines next to each other after Id string line removed. + remove entire comment blocks which only exited to contain CVS Ids + If the processing left a blank line at the top of a file, it was removed.
29 lines
901 B
Plaintext
29 lines
901 B
Plaintext
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 RTEMS newlib],
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rtems_cv_use_newlib,
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[
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dnl some versions of newlib provide not_required_by_rtems
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM([[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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AS_IF([test -z "$rtems_cv_use_newlib"],
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[AC_LINK_IFELSE(
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[AC_LANG_PROGRAM([[extern void rtems_provides_crt0() ;]],
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[[rtems_provides_crt0()]])],
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[rtems_cv_use_newlib="yes"],[rtems_cv_use_newlib="no"])
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])
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])
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RTEMS_USE_NEWLIB="$rtems_cv_use_newlib"
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AC_SUBST(RTEMS_USE_NEWLIB)
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AS_IF([test x"${RTEMS_USE_NEWLIB}" = x"yes"],
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[ AC_DEFINE_UNQUOTED(RTEMS_NEWLIB,1,[if using newlib])]
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)
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])
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