diff --git a/tools/reduce.cpp b/tools/reduce.cpp
index 7203fc50d..6e8fbc2d8 100644
--- a/tools/reduce.cpp
+++ b/tools/reduce.cpp
@@ -114,6 +114,11 @@ static void printstr(const std::vector<std::string> &filedata, int i1, int i2)
 }
 #endif
 
+static char getEndChar(const std::string &line) {
+    std::size_t pos = line.find_last_not_of(" \t");
+    return (pos == std::string::npos) ? '\0' : line[pos];
+}
+
 static std::vector<std::string> readfile(const std::string &filename)
 {
     std::vector<std::string> filedata;
@@ -174,6 +179,40 @@ static std::vector<std::string> readfile(const std::string &filename)
 
         filedata.push_back(line);
     }
+    
+    // put declarations in a single line..
+    for (unsigned int linenr = 0U; linenr+1U < filedata.size(); ++linenr) {
+        // Does this look like start of a function declaration?
+        if (filedata[linenr].empty()                        ||
+            !std::isalpha(filedata[linenr][0U])             ||
+            getEndChar(filedata[linenr]) != ','             ||
+            filedata[linenr].find("(") == std::string::npos ||
+            filedata[linenr].find(")") != std::string::npos)
+            continue;
+
+        // Where does function declaration end?
+        unsigned int linenr2 = linenr + 1U;
+        while (linenr2 < filedata.size() && 
+               getEndChar(filedata[linenr2]) == ','                    &&
+               filedata[linenr2].find("(") == std::string::npos        &&
+               filedata[linenr2].find(")") == std::string::npos)
+            ++linenr2;
+
+        // If function declaration looks correct.. simplify it
+        if (linenr2 < filedata.size()                                  &&
+            getEndChar(filedata[linenr2]) == ';'                       &&
+            filedata[linenr2].find("(") == std::string::npos           &&
+            filedata[linenr2].size() > 2U                              &&
+            filedata[linenr2].find(")") == filedata[linenr2].size() - 2U) {
+            std::string code;
+            for (unsigned int i = linenr; i <= linenr2; i++) {
+                code = code + filedata[i];
+                filedata[i].clear();
+            }
+            filedata[linenr] = code;
+        }
+    }
+    
     return filedata;
 }