diff --git a/boards/uniboard1/designs/unb1_minimal/hdllib.cfg b/boards/uniboard1/designs/unb1_minimal/hdllib.cfg
index 4ef4e83b392286a97c49a19a7b0bc7994c5c94fc..a9c9702ecf1fbc882a9146e1a71494a2dc3af442 100644
--- a/boards/uniboard1/designs/unb1_minimal/hdllib.cfg
+++ b/boards/uniboard1/designs/unb1_minimal/hdllib.cfg
@@ -3,7 +3,7 @@ hdl_library_clause_name = unb1_minimal_lib
hdl_lib_uses = common mm i2c unb1_board
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
+build_synth_dir = $HDL_BUILD_DIR
synth_files =
$UNB/Firmware/designs/unb_minimal/build/synth/quartus/sopc_unb_minimal.vhd
diff --git a/boards/uniboard1/libraries/unb1_board/hdllib.cfg b/boards/uniboard1/libraries/unb1_board/hdllib.cfg
index 63f1924eb9ee7b339c70414433bba8d93f0ad5c7..d54bfd102620804b18f2aae81489a0ad5e620410 100644
--- a/boards/uniboard1/libraries/unb1_board/hdllib.cfg
+++ b/boards/uniboard1/libraries/unb1_board/hdllib.cfg
@@ -3,7 +3,7 @@ hdl_library_clause_name = unb1_board_lib
hdl_lib_uses = common dp diag uth ppsh i2c tr_nonbonded eth remu
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
+build_synth_dir = $HDL_BUILD_DIR
synth_files =
$UNB/Firmware/designs/unb_common/../../modules/MegaWizard/pll/clk200_pll.vhd
diff --git a/libraries/base/common/hdllib.cfg b/libraries/base/common/hdllib.cfg
index 190409107cd28aaf2cabc24f6e73608686f7f5d2..0b3633ce30e639fc8d6c220f535308eb039f5c2d 100644
--- a/libraries/base/common/hdllib.cfg
+++ b/libraries/base/common/hdllib.cfg
@@ -3,7 +3,7 @@ hdl_library_clause_name = common_lib
hdl_lib_uses = technology tech_memory tech_fifo tech_iobuf tst
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
+build_synth_dir = $HDL_BUILD_DIR
synth_files =
$UNB/Firmware/modules/common/src/vhdl/common_pkg.vhd
diff --git a/libraries/base/diag/hdllib.cfg b/libraries/base/diag/hdllib.cfg
index b656db8c38902ac320b0256264e6de4a58d4e9c4..1755ba50e2890d721c3e0a37564fb81945dd43d0 100644
--- a/libraries/base/diag/hdllib.cfg
+++ b/libraries/base/diag/hdllib.cfg
@@ -3,7 +3,7 @@ hdl_library_clause_name = diag_lib
hdl_lib_uses = dp common
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
+build_synth_dir = $HDL_BUILD_DIR
synth_files =
$UNB/Firmware/modules/Lofar/diag/src/vhdl/diag_bypass.vhd
diff --git a/libraries/base/diagnostics/hdllib.cfg b/libraries/base/diagnostics/hdllib.cfg
index 3e43977de429aa1ce5f4a36867f960bb2de87c3f..9f99c1b206166c3ee7e5a190d5a7efc49cfa919d 100644
--- a/libraries/base/diagnostics/hdllib.cfg
+++ b/libraries/base/diagnostics/hdllib.cfg
@@ -3,7 +3,7 @@ hdl_library_clause_name = diagnostics_lib
hdl_lib_uses = common dp diag
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
+build_synth_dir = $HDL_BUILD_DIR
synth_files =
$UNB/Firmware/modules/diagnostics/src/vhdl/diagnostics.vhd
diff --git a/libraries/base/dp/hdllib.cfg b/libraries/base/dp/hdllib.cfg
index c5b770115f131ad1c9cc10e41f950d57ad6dfb93..2738fabd23c87eb2ff6ded14a50a009098602615 100644
--- a/libraries/base/dp/hdllib.cfg
+++ b/libraries/base/dp/hdllib.cfg
@@ -3,7 +3,7 @@ hdl_library_clause_name = dp_lib
hdl_lib_uses = mm common easics
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
+build_synth_dir = $HDL_BUILD_DIR
synth_files =
$UNB/Firmware/modules/dp/src/vhdl/dp_stream_pkg.vhd
diff --git a/libraries/base/mm/hdllib.cfg b/libraries/base/mm/hdllib.cfg
index 2f19c2684773d8203cc9145654be553ea15c53b1..b8e2fa03a1516c542f028e5ad723f7bbe8cbeb77 100644
--- a/libraries/base/mm/hdllib.cfg
+++ b/libraries/base/mm/hdllib.cfg
@@ -3,7 +3,7 @@ hdl_library_clause_name = mm_lib
hdl_lib_uses = common
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
+build_synth_dir = $HDL_BUILD_DIR
synth_files =
$UNB/Firmware/modules/mm/src/vhdl/mm_fields.vhd
diff --git a/libraries/base/sens/hdllib.cfg b/libraries/base/sens/hdllib.cfg
index 1fc0cd1f7c4c0a2f1f42a7fbd71e4fb737ed0620..85e19c4784e4c996fdcfea39fe6d211250921492 100644
--- a/libraries/base/sens/hdllib.cfg
+++ b/libraries/base/sens/hdllib.cfg
@@ -3,7 +3,7 @@ hdl_library_clause_name = sens_lib
hdl_lib_uses = common i2c
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
+build_synth_dir = $HDL_BUILD_DIR
synth_files =
$UNB/Firmware/modules/Lofar/sens/src/vhdl/sens_ctrl.vhd
diff --git a/libraries/base/tst/hdllib.cfg b/libraries/base/tst/hdllib.cfg
index e92f910313ea55758783309d100cfaed8d5fb016..66f135b57aa438655849270280a9150f29380de5 100644
--- a/libraries/base/tst/hdllib.cfg
+++ b/libraries/base/tst/hdllib.cfg
@@ -3,7 +3,7 @@ hdl_library_clause_name = tst_lib
hdl_lib_uses =
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
+build_synth_dir = $HDL_BUILD_DIR
synth_files =
$UNB/Firmware/modules/Lofar/tst/src/vhdl/tst_output.vhd
diff --git a/libraries/base/uth/hdllib.cfg b/libraries/base/uth/hdllib.cfg
index 603fdd3f6b0bbc66f5822f015e8cc47e8ddf193e..c56999120c9e7a47bb0560607d3bcfba4f5f0854 100644
--- a/libraries/base/uth/hdllib.cfg
+++ b/libraries/base/uth/hdllib.cfg
@@ -3,7 +3,7 @@ hdl_library_clause_name = uth_lib
hdl_lib_uses = common dp easics
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
+build_synth_dir = $HDL_BUILD_DIR
synth_files =
$UNB/Firmware/modules/uth/src/vhdl/uth_pkg.vhd
diff --git a/libraries/external/easics/hdllib.cfg b/libraries/external/easics/hdllib.cfg
index 07ec83130e8c693cead65f26059a59aa49f204f5..a3f67d5e7579a7d3f1b7f53d1b69e51ef023be3d 100644
--- a/libraries/external/easics/hdllib.cfg
+++ b/libraries/external/easics/hdllib.cfg
@@ -3,7 +3,7 @@ hdl_library_clause_name = easics_lib
hdl_lib_uses =
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
+build_synth_dir = $HDL_BUILD_DIR
synth_files =
$UNB/Firmware/modules/easics/src/vhdl/PCK_CRC64_D8.vhd
diff --git a/libraries/external/numonyx_m25p128/hdllib.cfg b/libraries/external/numonyx_m25p128/hdllib.cfg
index 96f686b7352daa1c92433bf5cd902ad455d82351..06a89ab44b2ea9fe2bdd3b7d681337750600d2f2 100644
--- a/libraries/external/numonyx_m25p128/hdllib.cfg
+++ b/libraries/external/numonyx_m25p128/hdllib.cfg
@@ -3,7 +3,7 @@ hdl_library_clause_name = numonyx_m25p128_lib
hdl_lib_uses =
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
+build_synth_dir = $HDL_BUILD_DIR
synth_files =
diff --git a/libraries/io/epcs/hdllib.cfg b/libraries/io/epcs/hdllib.cfg
index d0d1cd3c149a17dbf840d2f972075616e9e57e18..043b443b8fffe821372c594678d7b15f1957bbee 100644
--- a/libraries/io/epcs/hdllib.cfg
+++ b/libraries/io/epcs/hdllib.cfg
@@ -3,7 +3,7 @@ hdl_library_clause_name = epcs_lib
hdl_lib_uses = common dp tech_flash
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
+build_synth_dir = $HDL_BUILD_DIR
synth_files =
$UNB/Firmware/modules/epcs/src/vhdl/epcs_reg.vhd
diff --git a/libraries/io/eth/hdllib.cfg b/libraries/io/eth/hdllib.cfg
index 830e15adae8553b8700078eed27e2030b4f04b67..0ce194a8422aa5075b2a2a01a676bd09a5092f6b 100644
--- a/libraries/io/eth/hdllib.cfg
+++ b/libraries/io/eth/hdllib.cfg
@@ -3,8 +3,7 @@ hdl_library_clause_name = eth_lib
hdl_lib_uses = dp common tech_tse
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
-
+build_synth_dir= $HDL_BUILD_DIR
synth_files =
src/vhdl/eth_pkg.vhd
$UNB/Firmware/modules/tse/src/vhdl/eth_checksum.vhd
@@ -34,3 +33,4 @@ test_bench_files =
tb/vhdl/tb_eth_udp_offload.vhd
tb/vhdl/tb_eth_ihl_to_20.vhd
tb/vhdl/tb_tb_tb_eth_regression.vhd
+
diff --git a/libraries/io/i2c/hdllib.cfg b/libraries/io/i2c/hdllib.cfg
index 2be78a2b72eff86a7db137115199afee83ad5aa1..9d6e83b1e7669a60a519a3353aaca1cec9dbb8b0 100644
--- a/libraries/io/i2c/hdllib.cfg
+++ b/libraries/io/i2c/hdllib.cfg
@@ -3,7 +3,7 @@ hdl_library_clause_name = i2c_lib
hdl_lib_uses = common
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
+build_synth_dir = $HDL_BUILD_DIR
synth_files =
$UNB/Firmware/modules/Lofar/i2c/src/vhdl/i2c_pkg.vhd
diff --git a/libraries/io/ppsh/hdllib.cfg b/libraries/io/ppsh/hdllib.cfg
index b298045d16e52a3fd73cac82081e35de52e08314..1ec3113f955f1a3f4752835c81975416fd753bfa 100644
--- a/libraries/io/ppsh/hdllib.cfg
+++ b/libraries/io/ppsh/hdllib.cfg
@@ -3,7 +3,7 @@ hdl_library_clause_name = ppsh_lib
hdl_lib_uses = common
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
+build_synth_dir = $HDL_BUILD_DIR
synth_files =
$UNB/Firmware/modules/ppsh/src/vhdl/ppsh.vhd
diff --git a/libraries/io/remu/hdllib.cfg b/libraries/io/remu/hdllib.cfg
index 363c70a0846649eb91332017d01abd7139b3bf2b..ea889cf771989f8a179efdc2bc3c01e86182dda4 100644
--- a/libraries/io/remu/hdllib.cfg
+++ b/libraries/io/remu/hdllib.cfg
@@ -3,7 +3,7 @@ hdl_library_clause_name = remu_lib
hdl_lib_uses = common tech_flash
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
+build_synth_dir = $HDL_BUILD_DIR
synth_files =
$UNB/Firmware/modules/remu/src/vhdl/remu_reg.vhd
diff --git a/libraries/io/tr_nonbonded/hdllib.cfg b/libraries/io/tr_nonbonded/hdllib.cfg
index 271cf5a32cc8bcbecf7012b8f9c5343e09309e03..58e3a481d11b2db87204a9506fc9e69a3cb8fbcb 100644
--- a/libraries/io/tr_nonbonded/hdllib.cfg
+++ b/libraries/io/tr_nonbonded/hdllib.cfg
@@ -3,7 +3,7 @@ hdl_library_clause_name = tr_nonbonded_lib
hdl_lib_uses = common dp diag diagnostics tech_transceiver
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
+build_synth_dir = $HDL_BUILD_DIR
synth_files =
$UNB/Firmware/modules/tr_nonbonded/tb/vhdl/serializer.vhd
diff --git a/libraries/technology/fifo/hdllib.cfg b/libraries/technology/fifo/hdllib.cfg
index cdddb6fb1b02226817e45cbcf4ad8228ed41b51f..4ccf2b95a18bcb358d5292537be05b90a8f801ec 100644
--- a/libraries/technology/fifo/hdllib.cfg
+++ b/libraries/technology/fifo/hdllib.cfg
@@ -3,7 +3,7 @@ hdl_library_clause_name = tech_fifo_lib
hdl_lib_uses = technology ip_stratixiv
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
+build_synth_dir = $HDL_BUILD_DIR
synth_files =
tech_fifo_component_pkg.vhd
diff --git a/libraries/technology/flash/hdllib.cfg b/libraries/technology/flash/hdllib.cfg
index 2dd6f897eaebda575333cde016da69838491af4c..b556ac3ff57877a5f5b855cdb33b489275d11dec 100644
--- a/libraries/technology/flash/hdllib.cfg
+++ b/libraries/technology/flash/hdllib.cfg
@@ -3,7 +3,7 @@ hdl_library_clause_name = tech_flash_lib
hdl_lib_uses = technology ip_stratixiv
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
+build_synth_dir = $HDL_BUILD_DIR
synth_files =
tech_flash_component_pkg.vhd
diff --git a/libraries/technology/hdllib.cfg b/libraries/technology/hdllib.cfg
index 1caa3766c3e13f406278a3666372c2db21b7b909..1bbf1f5ff8ecc7ec84c88cc323d8f63652cec929 100644
--- a/libraries/technology/hdllib.cfg
+++ b/libraries/technology/hdllib.cfg
@@ -3,7 +3,7 @@ hdl_library_clause_name = technology_lib
hdl_lib_uses =
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
+build_synth_dir = $HDL_BUILD_DIR
synth_files =
technology_pkg.vhd
diff --git a/libraries/technology/iobuf/hdllib.cfg b/libraries/technology/iobuf/hdllib.cfg
index 729453c1b815d2f71625a0efc1d8a4afedfbd74c..c13bb70c0b6dac69b724cb914baae8c83a60b372 100644
--- a/libraries/technology/iobuf/hdllib.cfg
+++ b/libraries/technology/iobuf/hdllib.cfg
@@ -3,7 +3,7 @@ hdl_library_clause_name = tech_iobuf_lib
hdl_lib_uses = technology ip_stratixiv
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
+build_synth_dir = $HDL_BUILD_DIR
synth_files =
tech_iobuf_component_pkg.vhd
diff --git a/libraries/technology/ip_arria10/hdllib.cfg b/libraries/technology/ip_arria10/hdllib.cfg
index 4bc36acb20756d9558189e88d52ce39c04236e8f..969ed283c26de9b1faf4810f64308741feaf3d08 100644
--- a/libraries/technology/ip_arria10/hdllib.cfg
+++ b/libraries/technology/ip_arria10/hdllib.cfg
@@ -3,7 +3,7 @@ hdl_library_clause_name = ip_arria10_lib
hdl_lib_uses = technology
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
+build_synth_dir = $HDL_BUILD_DIR
synth_files =
ip_arria10_ram_crw_crw.vhd
diff --git a/libraries/technology/ip_stratixiv/hdllib.cfg b/libraries/technology/ip_stratixiv/hdllib.cfg
index 0c60b2911bbbbf0c74ff8451f38f60ed62fdac58..a096cdf947ff2e3615cd7e19c869c9438a9bf1b4 100644
--- a/libraries/technology/ip_stratixiv/hdllib.cfg
+++ b/libraries/technology/ip_stratixiv/hdllib.cfg
@@ -3,7 +3,7 @@ hdl_library_clause_name = ip_stratixiv_lib
hdl_lib_uses = technology numonyx_m25p128
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
+build_synth_dir = $HDL_BUILD_DIR
synth_files =
ip_stratixiv_ram_crwk_crw.vhd
diff --git a/libraries/technology/ip_stratixiv/tse_sgmii_gx/hdllib.cfg b/libraries/technology/ip_stratixiv/tse_sgmii_gx/hdllib.cfg
index 2ad8b4bb85740e5a8761f25baa27be81b3211cf4..0434ee175ad7d1ce2aab8508c3ff9fdea9d766ce 100644
--- a/libraries/technology/ip_stratixiv/tse_sgmii_gx/hdllib.cfg
+++ b/libraries/technology/ip_stratixiv/tse_sgmii_gx/hdllib.cfg
@@ -3,7 +3,7 @@ hdl_library_clause_name = ip_stratixiv_tse_sgmii_gx_lib
hdl_lib_uses = technology
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
+build_synth_dir = $HDL_BUILD_DIR
synth_files =
ip_stratixiv_tse_sgmii_gx.vho
diff --git a/libraries/technology/ip_stratixiv/tse_sgmii_lvds/hdllib.cfg b/libraries/technology/ip_stratixiv/tse_sgmii_lvds/hdllib.cfg
index f37420dc518785494f820ed0ff46347f2f3f05e8..8ec381681e048ac18f87e0c99b1cd18f7afbe942 100644
--- a/libraries/technology/ip_stratixiv/tse_sgmii_lvds/hdllib.cfg
+++ b/libraries/technology/ip_stratixiv/tse_sgmii_lvds/hdllib.cfg
@@ -3,7 +3,7 @@ hdl_library_clause_name = ip_stratixiv_tse_sgmii_lvds_lib
hdl_lib_uses = common
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
+build_synth_dir = $HDL_BUILD_DIR
synth_files =
ip_stratixiv_tse_sgmii_lvds.vho
diff --git a/libraries/technology/ip_virtex4/hdllib.cfg b/libraries/technology/ip_virtex4/hdllib.cfg
index 7c07ac5a0db2f7ee5fe75471273c3c3dcf96df07..43fc5b89917f575150d96cbe12c6557a2961a8ff 100644
--- a/libraries/technology/ip_virtex4/hdllib.cfg
+++ b/libraries/technology/ip_virtex4/hdllib.cfg
@@ -3,7 +3,7 @@ hdl_library_clause_name = ip_virtex4_lib
hdl_lib_uses =
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
+build_synth_dir = $HDL_BUILD_DIR
synth_files =
diff --git a/libraries/technology/memory/hdllib.cfg b/libraries/technology/memory/hdllib.cfg
index 425fa60e57ab8d6c019ccbacea29dd806e780377..175a204d8b36eea925f1a81c219b11b5dce37319 100644
--- a/libraries/technology/memory/hdllib.cfg
+++ b/libraries/technology/memory/hdllib.cfg
@@ -3,7 +3,7 @@ hdl_library_clause_name = tech_memory_lib
hdl_lib_uses = technology ip_stratixiv ip_arria10 ip_virtex4
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
+build_synth_dir = $HDL_BUILD_DIR
synth_files =
tech_memory_component_pkg.vhd
diff --git a/libraries/technology/transceiver/hdllib.cfg b/libraries/technology/transceiver/hdllib.cfg
index c4f9aa3b32aecb90a96f0929a1321ea19257c6ee..9ba31c38886ed440b914c08d7b905ed56e02338d 100644
--- a/libraries/technology/transceiver/hdllib.cfg
+++ b/libraries/technology/transceiver/hdllib.cfg
@@ -3,7 +3,7 @@ hdl_library_clause_name = tech_transceiver_lib
hdl_lib_uses = technology ip_stratixiv common dp
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
+build_synth_dir = $HDL_BUILD_DIR
synth_files =
tech_transceiver_component_pkg.vhd
diff --git a/libraries/technology/tse/hdllib.cfg b/libraries/technology/tse/hdllib.cfg
index 4f94c143b87dc34c5d00cc81a0d0f4f985b040d9..ef37a34a42411fbc975115cdc207134e3253bf46 100644
--- a/libraries/technology/tse/hdllib.cfg
+++ b/libraries/technology/tse/hdllib.cfg
@@ -3,7 +3,7 @@ hdl_library_clause_name = tech_tse_lib
hdl_lib_uses = technology ip_stratixiv_tse_sgmii_lvds ip_stratixiv_tse_sgmii_gx common dp
build_sim_dir = $HDL_BUILD_DIR
-build_synth_dir =
+build_synth_dir = $HDL_BUILD_DIR
synth_files =
tech_tse_component_pkg.vhd