diff --git a/makefile b/makefile
index d32f5fa2..52feb489 100644
--- a/makefile
+++ b/makefile
@@ -51,7 +51,7 @@ port1: stage5
 
 # this builds binary which generates voc.par
 stage0: src/tools/vocparam/vocparam.c
-	$(CL) -I src/lib -o vocparam src/tools/vocparam/vocparam.c
+	$(CL) -I src/lib/system/$(TOS)/$(CCOMP)/$(TARCH) -o vocparam src/tools/vocparam/vocparam.c
 
 # this creates voc.par for a host architecture.
 # comment this out if you need to build a compiler for a different architecture.
diff --git a/makefile.darwin.clang.x86_64 b/makefile.darwin.clang.x86_64
index 8b167dc1..fa73546a 100644
--- a/makefile.darwin.clang.x86_64
+++ b/makefile.darwin.clang.x86_64
@@ -52,7 +52,7 @@ port1: stage5
 
 # this builds binary which generates voc.par
 stage0: src/tools/vocparam/vocparam.c
-	$(CL) -I src/lib -o vocparam src/tools/vocparam/vocparam.c
+	$(CL) -I src/lib/system/$(TOS)/$(CCOMP)/$(TARCH) -o vocparam src/tools/vocparam/vocparam.c
 
 # this creates voc.par for a host architecture.
 # comment this out if you need to build a compiler for a different architecture.
diff --git a/makefile.linux.clang.powerpc b/makefile.linux.clang.powerpc
index b50647bd..732ffa4a 100644
--- a/makefile.linux.clang.powerpc
+++ b/makefile.linux.clang.powerpc
@@ -51,7 +51,7 @@ port1: stage5
 
 # this builds binary which generates voc.par
 stage0: src/tools/vocparam/vocparam.c
-	$(CL) -I src/lib -o vocparam src/tools/vocparam/vocparam.c
+	$(CL) -I src/lib/system/$(TOS)/$(CCOMP)/$(TARCH) -o vocparam src/tools/vocparam/vocparam.c
 
 # this creates voc.par for a host architecture.
 # comment this out if you need to build a compiler for a different architecture.
diff --git a/makefile.linux.clang.x86_64 b/makefile.linux.clang.x86_64
index bdc31016..e7e34a90 100644
--- a/makefile.linux.clang.x86_64
+++ b/makefile.linux.clang.x86_64
@@ -51,7 +51,7 @@ port1: stage5
 
 # this builds binary which generates voc.par
 stage0: src/tools/vocparam/vocparam.c
-	$(CL) -I src/lib -o vocparam src/tools/vocparam/vocparam.c
+	$(CL) -I src/lib/system/$(TOS)/$(CCOMP)/$(TARCH) -o vocparam src/tools/vocparam/vocparam.c
 
 # this creates voc.par for a host architecture.
 # comment this out if you need to build a compiler for a different architecture.
diff --git a/makefile.linux.gcc.armv6j b/makefile.linux.gcc.armv6j
index 80c0d1c4..500cdca9 100644
--- a/makefile.linux.gcc.armv6j
+++ b/makefile.linux.gcc.armv6j
@@ -51,7 +51,7 @@ port1: stage5
 
 # this builds binary which generates voc.par
 stage0: src/tools/vocparam/vocparam.c
-	$(CL) -I src/lib -o vocparam src/tools/vocparam/vocparam.c
+	$(CL) -I src/lib/system/$(TOS)/$(CCOMP)/$(TARCH) -o vocparam src/tools/vocparam/vocparam.c
 
 # this creates voc.par for a host architecture.
 # comment this out if you need to build a compiler for a different architecture.
diff --git a/makefile.linux.gcc.armv6j_hardfp b/makefile.linux.gcc.armv6j_hardfp
index 659b7ba1..a6292a4c 100644
--- a/makefile.linux.gcc.armv6j_hardfp
+++ b/makefile.linux.gcc.armv6j_hardfp
@@ -51,7 +51,7 @@ port1: stage5
 
 # this builds binary which generates voc.par
 stage0: src/tools/vocparam/vocparam.c
-	$(CL) -I src/lib -o vocparam src/tools/vocparam/vocparam.c
+	$(CL) -I src/lib/system/$(TOS)/$(CCOMP)/$(TARCH) -o vocparam src/tools/vocparam/vocparam.c
 
 # this creates voc.par for a host architecture.
 # comment this out if you need to build a compiler for a different architecture.
diff --git a/makefile.linux.gcc.armv7a_hardfp b/makefile.linux.gcc.armv7a_hardfp
index 6dd60472..3743232c 100644
--- a/makefile.linux.gcc.armv7a_hardfp
+++ b/makefile.linux.gcc.armv7a_hardfp
@@ -51,7 +51,7 @@ port1: stage5
 
 # this builds binary which generates voc.par
 stage0: src/tools/vocparam/vocparam.c
-	$(CL) -I src/lib -o vocparam src/tools/vocparam/vocparam.c
+	$(CL) -I src/lib/system/$(TOS)/$(CCOMP)/$(TARCH) -o vocparam src/tools/vocparam/vocparam.c
 
 # this creates voc.par for a host architecture.
 # comment this out if you need to build a compiler for a different architecture.
diff --git a/makefile.linux.gcc.powerpc b/makefile.linux.gcc.powerpc
index cb7858b0..1fc77a4c 100644
--- a/makefile.linux.gcc.powerpc
+++ b/makefile.linux.gcc.powerpc
@@ -51,7 +51,7 @@ port1: stage5
 
 # this builds binary which generates voc.par
 stage0: src/tools/vocparam/vocparam.c
-	$(CL) -I src/lib -o vocparam src/tools/vocparam/vocparam.c
+	$(CL) -I src/lib/system/$(TOS)/$(CCOMP)/$(TARCH) -o vocparam src/tools/vocparam/vocparam.c
 
 # this creates voc.par for a host architecture.
 # comment this out if you need to build a compiler for a different architecture.
diff --git a/makefile.linux.gcc.x86 b/makefile.linux.gcc.x86
index ce6d7cee..4904c6db 100644
--- a/makefile.linux.gcc.x86
+++ b/makefile.linux.gcc.x86
@@ -51,7 +51,7 @@ port1: stage5
 
 # this builds binary which generates voc.par
 stage0: src/tools/vocparam/vocparam.c
-	$(CL) -I src/lib -o vocparam src/tools/vocparam/vocparam.c
+	$(CL) -I src/lib/system/$(TOS)/$(CCOMP)/$(TARCH) -o vocparam src/tools/vocparam/vocparam.c
 
 # this creates voc.par for a host architecture.
 # comment this out if you need to build a compiler for a different architecture.
diff --git a/makefile.linux.gcc.x86_64 b/makefile.linux.gcc.x86_64
index d32f5fa2..52feb489 100644
--- a/makefile.linux.gcc.x86_64
+++ b/makefile.linux.gcc.x86_64
@@ -51,7 +51,7 @@ port1: stage5
 
 # this builds binary which generates voc.par
 stage0: src/tools/vocparam/vocparam.c
-	$(CL) -I src/lib -o vocparam src/tools/vocparam/vocparam.c
+	$(CL) -I src/lib/system/$(TOS)/$(CCOMP)/$(TARCH) -o vocparam src/tools/vocparam/vocparam.c
 
 # this creates voc.par for a host architecture.
 # comment this out if you need to build a compiler for a different architecture.