Started work on build system

fpc/library/helper.cpp

@@ -0,0 +1,46 @@
+#include "helper.h"
+#include "runner.h"
+#include "tier0/platform.h"
+#include "tier1/utlvector.h"
+#include "tier1/utlstring.h"
+
+unsigned int g_hashState = 102851263;
+unsigned int CProject::GenerateProjectHash( void )
+{
+	unsigned int hash = 5381+g_hashState;
+	int c;
+	char *szName = m_szName;
+
+	while( (c = *szName++) )
+		hash = (hash * 33) + c;
+
+	g_hashState = g_hashState * 1664525 + 1013904223;
+
+	return hash;
+};
+
+void IFileSystem2::MakeDirectory( const char *psz )
+{
+	CUtlVector<CUtlString> args = {
+		"-p",
+		psz,
+	};
+	IRunner::Run("mkdir", args);
+};
+
+CUtlVector<CBuildStage*> g_buildStages;
+
+CBuildStage::CBuildStage( CUtlString sz, int(*pMainFn)() )
+{
+	m_sz = sz;
+	m_pMainFn = pMainFn;
+	if (sz == 0 || pMainFn == 0)
+		Plat_FatalErrorFunc("Name and function pointer must be set\n");
+	
+	g_buildStages.AppendTail(this);
+};
+
+CUtlVector<CBuildStage*>& BuildStages()
+{
+	return g_buildStages;
+}