Add cmake support, bug1363.

Signed-off-by: Wilson Snyder <[email protected]>

src/V3File.cpp

@@ -65,17 +65,19 @@ class V3FileDependImp {
     class DependFile {
         // A single file
         bool            m_target;       // True if write, else read
+        bool            m_exists;
         string          m_filename;     // Filename
         struct stat     m_stat;         // Stat information
     public:
         DependFile(const string& filename, bool target)
-            : m_target(target), m_filename(filename) {
+            : m_target(target), m_exists(true), m_filename(filename) {
             m_stat.st_ctime = 0;
             m_stat.st_mtime = 0;
         }
         ~DependFile() {}
         const string& filename() const { return m_filename; }
         bool target() const { return m_target; }
+        bool exists() const { return m_exists; }
         off_t size() const { return m_stat.st_size; }
         ino_t ino() const { return m_stat.st_ino; }
         time_t cstime() const { return m_stat.st_ctime; }  // Seconds
@@ -89,6 +91,7 @@ class V3FileDependImp {
                 if (err!=0) {
                     memset(&m_stat, 0, sizeof(m_stat));
                     m_stat.st_mtime = 1;
+                    m_exists = false;
                     // Not an error... This can occur due to `line directives in the .vpp files
                     UINFO(1,"-Info: File not statable: "<<filename()<<endl);
                 }
@@ -125,6 +128,7 @@ public:
         }
     }
     void writeDepend(const string& filename);
+    std::vector<string> getAllDeps() const;
     void writeTimes(const string& filename, const string& cmdlineIn);
     bool checkTimes(const string& filename, const string& cmdlineIn);
 };
@@ -168,6 +172,17 @@ inline void V3FileDependImp::writeDepend(const string& filename) {
     }
 }
 
+inline std::vector<string> V3FileDependImp::getAllDeps() const {
+    std::vector<string> r;
+    for (std::set<DependFile>::const_iterator iter=m_filenameList.begin();
+         iter!=m_filenameList.end(); ++iter) {
+        if (!iter->target() && iter->exists()) {
+            r.push_back(iter->filename());
+        }
+    }
+    return r;
+}
+
 inline void V3FileDependImp::writeTimes(const string& filename, const string& cmdlineIn) {
     const vl_unique_ptr<std::ofstream> ofp (V3File::new_ofstream(filename));
     if (ofp->fail()) v3fatal("Can't write "<<filename);
@@ -283,6 +298,9 @@ void V3File::addTgtDepend(const string& filename) {
 void V3File::writeDepend(const string& filename) {
     dependImp.writeDepend(filename);
 }
+std::vector<string> V3File::getAllDeps() {
+    return dependImp.getAllDeps();
+}
 void V3File::writeTimes(const string& filename, const string& cmdlineIn) {
     dependImp.writeTimes(filename, cmdlineIn);
 }