Merge branch 'windows' into devel

1 files changed, 23 insertions, 1 deletions

diff --git a/source/device_formula.cpp b/source/device_formula.cpp
index a70f465..e21d374 100644
--- a/source/device_formula.cpp
+++ b/source/device_formula.cpp
@@ -11,13 +11,26 @@
  */
 
 #include "stmdsp.hpp"
-#include "exprtk.hpp"
 
 #include <algorithm>
 #include <random>
 #include <string_view>
 #include <vector>
 
+#ifndef STMDSP_DISABLE_FORMULAS
+
+#define exprtk_disable_comments
+#define exprtk_disable_break_continue
+#define exprtk_disable_sc_andor
+#define exprtk_disable_return_statement
+#define exprtk_disable_enhanced_features
+//#define exprtk_disable_string_capabilities
+#define exprtk_disable_superscalar_unroll
+#define exprtk_disable_rtl_io_file
+#define exprtk_disable_rtl_vecops
+//#define exprtk_disable_caseinsensitivity
+#include "exprtk.hpp"
+
 static std::random_device randomDevice;
 
 std::vector<stmdsp::dacsample_t> deviceGenLoadFormulaEval(const std::string& formulaString)
@@ -62,3 +75,12 @@ std::vector<stmdsp::dacsample_t> deviceGenLoadFormulaEval(const std::string& for
     return samples;
 }
 
+#else // no formula support
+
+std::vector<stmdsp::dacsample_t> deviceGenLoadFormulaEval(const std::string&)
+{
+    return {};
+}
+
+#endif // STMDSP_DISABLE_FORMULAS
+