m4/cygwin.m4

   1 # Check to see if we're running under Cygwin32, without using
   2 # AC_CANONICAL_*.  If so, set output variable EXEEXT to ".exe".
   3 # Otherwise set it to "".
   4
   5 dnl AM_CYGWIN32()
   6 AC_DEFUN(AM_CYGWIN32,
   7 [AC_MSG_CHECKING(for Cygwin32 environment)
   8 AC_EGREP_CPP(lose, [
   9 #ifdef __CYGWIN32__
  10 lose
  11 #endif], [EXEEXT=.exe
  12 AC_MSG_RESULT(yes)], [EXEEXT=
  13 AC_MSG_RESULT(no)])
  14 AC_SUBST(EXEEXT)])