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-rw-r--r--aclocal/cygwin.m418
1 files changed, 18 insertions, 0 deletions
diff --git a/aclocal/cygwin.m4 b/aclocal/cygwin.m4
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+dnl Detect the Cygwin32 environment (unix under Win32)
+dnl
+dnl 98/06/16 David Fiddes (D.J.Fiddes@hw.ac.uk)
+dnl Hacked from automake-1.3
+
+# Check to see if we're running under Cygwin32, without using
+# AC_CANONICAL_*. If so, set output variable CYGWIN32 to "yes".
+# Otherwise set it to "no".
+
+dnl RTEMS_CYGWIN32()
+AC_DEFUN(RTEMS_CYGWIN32,
+[AC_CACHE_CHECK(for Cygwin32 environment, rtems_cv_cygwin32,
+[AC_TRY_COMPILE(,[return __CYGWIN32__;],
+rtems_cv_cygwin32=yes, rtems_cv_cygwin32=no)
+rm -f conftest*])
+CYGWIN32=
+test "$rtems_cv_cygwin32" = yes && CYGWIN32=yes])
+