[echo foo > conftest1
echo foo > conftest2
fp_cv_context_diff=no
-for fp_var in '-C 1' '-c1'
+for fp_var in '-U 1' '-u1' '-C 1' '-c1'
do
if diff $fp_var conftest1 conftest2 > /dev/null 2>&1; then
fp_cv_context_diff="diff $fp_var"
AC_DEFUN([FPTOOLS_ALEX],
[
AC_PATH_PROG(AlexCmd,alex,)
+# Alex is passed to Cabal, so we need a native path
+if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
+ test "${OSTYPE}" != "msys" && \
+ test "${AlexCmd}" != ""
+then
+ # Canonicalise to <drive>:/path/to/gcc
+ AlexCmd=`cygpath -m ${AlexCmd}`
+fi
+
AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
changequote(, )dnl
[if test x"$AlexCmd" != x; then