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AC_MINGW32 and AC_CANONICAL_HOST


From: Kevin Ryde
Subject: AC_MINGW32 and AC_CANONICAL_HOST
Date: Sat, 30 Nov 2002 01:47:11 +1000
User-agent: Gnus/5.090008 (Oort Gnus v0.08) Emacs/21.1 (i386-debian-linux-gnu)

I notice that AC_MINGW32 and friends don't cooperate with
AC_CANONICAL_HOST.  A configure.in

  AC_INIT
  AC_CANONICAL_HOST
  AC_MINGW32
  AC_CYGWIN
  AC_EMXOS2

processed with autoconf gives

  configure.in:3: warning: AC_CANONICAL_HOST invoked multiple times
  configure.in:4: warning: AC_CANONICAL_HOST invoked multiple times
  configure.in:5: warning: AC_CANONICAL_HOST invoked multiple times

I see it was a deliberate change not to use AC_REQUIRE in those,
perhaps something else is wanted.

(I know these macros are obsolete, I only struck this running a recent
autoconf over a guile configure.in.)




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