sim/ppc/aclocal.m4

   1 # Check to see if we're running under Cygwin32, without using
   2 # AC_CANONICAL_*.  If so, set output variable CYGWIN32 to "yes".
   3 # Otherwise set it to "no".
   4
   5 dnl AM_CYGWIN32()
   6 dnl You might think we can do this by checking for a cygwin32-specific
   7 dnl cpp define.
   8 AC_DEFUN(AM_CYGWIN32,
   9 [AC_CACHE_CHECK(for Cygwin32 environment, am_cv_cygwin32,
  10 [AC_TRY_COMPILE(,[int main () { return __CYGWIN32__; }],
  11 am_cv_cygwin32=yes, am_cv_cygwin32=no)
  12 rm -f conftest*])
  13 CYGWIN32=
  14 test "$am_cv_cygwin32" = yes && CYGWIN32=yes])
  15
  16 # Check to see if we're running under Win32, without using
  17 # AC_CANONICAL_*.  If so, set output variable EXEEXT to ".exe".
  18 # Otherwise set it to "".
  19
  20 dnl AM_EXEEXT()
  21 dnl This knows we add .exe if we're building in the Cygwin32
  22 dnl environment. But if we're not, then it compiles a test program
  23 dnl to see if there is a suffix for executables.
  24 AC_DEFUN(AM_EXEEXT,
  25 dnl AC_REQUIRE([AC_PROG_CC])AC_REQUIRE([AM_CYGWIN32])
  26 AC_MSG_CHECKING([for executable suffix])
  27 [AC_CACHE_VAL(am_cv_exeext,
  28 [if test "$CYGWIN32" = yes; then
  29 am_cv_exeext=.exe
  30 else
  31 cat > am_c_test.c << 'EOF'
  32 int main() {
  33 /* Nothing needed here */
  34 }
  35 EOF
  36 ${CC-cc} -o am_c_test $CFLAGS $CPPFLAGS $LDFLAGS am_c_test.c $LIBS 1>&5
  37 am_cv_exeext=`ls am_c_test.* | grep -v am_c_test.c | sed -e s/am_c_test//`
  38 rm -f am_c_test*])
  39 test x"${am_cv_exeext}" = x && am_cv_exeext=no
  40 fi
  41 EXEEXT=""
  42 test x"${am_cv_exeext}" != xno && EXEEXT=${am_cv_exeext}
  43 AC_MSG_RESULT(${am_cv_exeext})
  44 AC_SUBST(EXEEXT)])
  45