STEPMAKE_MSGFMT(REQUIRED)
STEPMAKE_TEXMF(REQUIRED)
STEPMAKE_TEXMF_DIRS
-STEPMAKE_GUILE_DEVEL(REQUIRED, 1.6.7)
+
+## should check for 1.8.2 ?
+STEPMAKE_GUILE_DEVEL(REQUIRED, 1.8.0)
+
+
+## check rational bugfix.
+save_CPPFLAGS="$CPPFLAGS"
+CPPFLAGS="$GUILE_CFLAGS $CPPFLAGS"
+AC_MSG_CHECKING(GUILE rational bugfix)
+AC_TRY_CPP(
+#include <libguile.h>
+#ifdef SCM_FRACTION_REDUCED_BIT
+#error
+#endif
+,
+AC_MSG_RESULT(ok),
+REQUIRED="$REQUIRED GUILE-with-rational-bugfix"
+AC_MSG_RESULT(Must have patched GUILE rational support. See INSTALL.txt))
+CPPFLAGS="$save_CPPFLAGS"
+
+
STEPMAKE_MAKEINFO(REQUIRED, 4.8)
STEPMAKE_PYTHON_DEVEL(REQUIRED)
AC_DEFINE_UNQUOTED(FLOWER_VERSION, "${FULL_FLOWER_VERSION}")
-CXXFLAGS="$CXXFLAGS -Werror"
+# must also have local.make if configure fails.
+touch local.make
# Gather requirements and generate output.
STEPMAKE_END
make$mc install to install LilyPond
make$mc help to see all possible targets
+Edit local.make for local Makefile overrides.
+
+
EOF