Add configure option --enable-formula-logger to conditionalize it.

Change-Id: I1badbcfa259b22d742e5241bd817ea44769a771e

config_host.mk.in

@@ -130,6 +130,7 @@ export ENABLE_DIRECTX=@ENABLE_DIRECTX@
 export ENABLE_EOT=@ENABLE_EOT@
 export ENABLE_EVOAB2=@ENABLE_EVOAB2@
 export ENABLE_FIREBIRD_SDBC=@ENABLE_FIREBIRD_SDBC@
+export ENABLE_FORMULA_LOGGER=@ENABLE_FORMULA_LOGGER@
 export ENABLE_GIO=@ENABLE_GIO@
 export ENABLE_GRAPHITE=@ENABLE_GRAPHITE@
 export ENABLE_ORCUS=@ENABLE_ORCUS@

config_host/config_options_calc.h.in

+/*
+ * General configuration settings for various options specific to Calc.
+ */
+
+#ifndef CONFIG_OPTIONS_CALC_H
+#define CONFIG_OPTIONS_CALC_H
+
+#define ENABLE_FORMULA_LOGGER 0
+
+#endif

configure.ac

@@ -1515,6 +1515,13 @@ AC_ARG_ENABLE(dconf,
         [Disable the dconf configuration backend (enabled by default where
          available).]))
 
+AC_ARG_ENABLE(formula-logger,
+    AS_HELP_STRING(
+        [--enable-formula-logger],
+        [Enable formula logger for logging formula calculation flow in Calc.]
+    )
+)
+
 dnl ===================================================================
 dnl Optional Packages (--with/without-)
 dnl ===================================================================
@@ -12754,6 +12761,20 @@ else
 fi
 AC_SUBST(MPL_SUBSET)
 
+dnl ===================================================================
+
+AC_MSG_CHECKING([formula logger])
+ENABLE_FORMULA_LOGGER=
+
+if test "x$enable_formula_logger" = "xyes"; then
+    AC_MSG_RESULT([yes])
+    AC_DEFINE(ENABLE_FORMULA_LOGGER)
+    ENABLE_FORMULA_LOGGER=TRUE
+else
+    AC_MSG_RESULT([no])
+fi
+
+AC_SUBST(ENABLE_FORMULA_LOGGER)
 
 dnl ===================================================================
 dnl Setting up the environment.
@@ -12927,6 +12948,7 @@ AC_CONFIG_HEADERS([config_host/config_kde4.h])
 AC_CONFIG_HEADERS([config_host/config_oox.h])
 AC_CONFIG_HEADERS([config_host/config_opengl.h])
 AC_CONFIG_HEADERS([config_host/config_options.h])
+AC_CONFIG_HEADERS([config_host/config_options_calc.h])
 AC_CONFIG_HEADERS([config_host/config_test.h])
 AC_CONFIG_HEADERS([config_host/config_telepathy.h])
 AC_CONFIG_HEADERS([config_host/config_typesizes.h])

sc/Library_sc.mk

@@ -230,7 +230,6 @@ $(eval $(call gb_Library_add_exception_objects,sc,\
     sc/source/core/tool/editutil \
     sc/source/core/tool/filtopt \
     sc/source/core/tool/formulagroup \
-    sc/source/core/tool/formulalogger \
     sc/source/core/tool/formulaopt \
     sc/source/core/tool/formulaparserpool \
     sc/source/core/tool/formularesult \
@@ -671,6 +670,12 @@ $(eval $(call gb_Library_add_exception_objects,sc,\
     sc/source/ui/xmlsource/xmlsourcedlg \
 ))
 
+ifeq ($(ENABLE_FORMULA_LOGGER),TRUE)
+$(eval $(call gb_Library_add_exception_objects,sc,\
+    sc/source/core/tool/formulalogger \
+))
+endif
+
 ifneq (,$(gb_ENABLE_DBGUTIL))
 $(eval $(call gb_Library_add_exception_objects,sc,\
     sc/source/ui/view/gridwin_dbgutil \

sc/inc/formulalogger.hxx

@@ -12,11 +12,15 @@
 #include <memory>
 #include <vector>
 
+#include <config_options_calc.h>
+
 class ScFormulaCell;
 class ScDocument;
 
 namespace sc {
 
+#if ENABLE_FORMULA_LOGGER
+
 /**
  * Outputs formula calculation log outputs to specified file.
  */
@@ -84,6 +88,35 @@ public:
     GroupScope enterGroup( const ScDocument& rDoc, const ScFormulaCell& rCell );
 };
 
+#else
+
+/**
+ * Dummy class with all empty inline methods.
+ */
+class FormulaLogger
+{
+public:
+
+    static FormulaLogger get()
+    {
+        return FormulaLogger();
+    }
+
+    class GroupScope
+    {
+    public:
+        void addMessage( const OUString& /*rMsg*/ ) {}
+        void setCalcComplete() {}
+    };
+
+    GroupScope enterGroup( const ScDocument& /*rDoc*/, const ScFormulaCell& /*rCell*/ )
+    {
+        return GroupScope();
+    }
+};
+
+#endif // ENABLE_FORMULA_LOGGER
+
 }
 
 #endif