diff --git a/gtk2_ardour/SConscript b/gtk2_ardour/SConscript
index 2ebbe8b..765cc09 100644
--- a/gtk2_ardour/SConscript
+++ b/gtk2_ardour/SConscript
@@ -315,7 +315,7 @@ if env['FREESOUND']:
 
 intl_files += extra_sources
 
-gtkardour.Append(CCFLAGS="-D_REENTRANT -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE")
+gtkardour.Append(CCFLAGS="-D_REENTRANT -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64")
 gtkardour.Append(CXXFLAGS="-DLOCALEDIR=\\\""+final_prefix+"/share/locale\\\"")
 
 versionflag = '-DVERSIONSTRING=\\\"' + env['VERSION'] + '\\\"'
diff --git a/libs/midi++2/SConscript b/libs/midi++2/SConscript
index 21356da..29ba204 100644
--- a/libs/midi++2/SConscript
+++ b/libs/midi++2/SConscript
@@ -43,7 +43,7 @@ else:
    sysdep_src = [ 'alsa_sequencer_midiport.cc' ]
    midi2.Append (CCFLAGS="-DWITH_ALSA")
 
-midi2.Append(CCFLAGS="-D_REENTRANT -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE")
+midi2.Append(CCFLAGS="-D_REENTRANT -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64")
 midi2.Append(CCFLAGS="-DLIBSIGC_DISABLE_DEPRECATED")
 
 midi2.VersionBuild(['version.cc','midi++/version.h'],  [])
diff --git a/libs/pbd/SConscript b/libs/pbd/SConscript
index b33ab58..04965d0 100644
--- a/libs/pbd/SConscript
+++ b/libs/pbd/SConscript
@@ -12,7 +12,7 @@ domain = 'libpbd'
 
 pbd.Append(DOMAIN=domain,MAJOR=4,MINOR=1,MICRO=0)
 pbd.Append(CXXFLAGS="-DPACKAGE=\\\"" + domain + "\\\"")
-pbd.Append(CXXFLAGS="-D_REENTRANT -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE")
+pbd.Append(CXXFLAGS="-D_REENTRANT -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64")
 pbd.Append(CXXFLAGS="-DLIBSIGC_DISABLE_DEPRECATED")
 pbd.Append(PACKAGE=domain)
 pbd.Append(POTFILE=domain + '.pot')
diff --git a/libs/soundtouch/SConscript b/libs/soundtouch/SConscript
index 71f1d9b..50ced25 100644
--- a/libs/soundtouch/SConscript
+++ b/libs/soundtouch/SConscript
@@ -17,7 +17,7 @@ cpu_detect_x86_gcc.cpp
 
 Import('env install_prefix')
 st = env.Clone()
-st.Append(CCFLAGS="-DHAVE_CONFIG_H -D_REENTRANT -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE")
+st.Append(CCFLAGS="-DHAVE_CONFIG_H -D_REENTRANT -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64")
 
 libst = st.SharedLibrary('soundtouch', soundtouch_files)
 
diff --git a/libs/surfaces/control_protocol/SConscript b/libs/surfaces/control_protocol/SConscript
index 4ae3406..c57ee5b 100644
--- a/libs/surfaces/control_protocol/SConscript
+++ b/libs/surfaces/control_protocol/SConscript
@@ -26,7 +26,7 @@ control_protocol.cc
 smpte.cc
 """)
 
-cp.Append(CCFLAGS="-D_REENTRANT -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE")
+cp.Append(CCFLAGS="-D_REENTRANT -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64")
 cp.Append(CXXFLAGS="-DDATA_DIR=\\\""+final_prefix+"/share\\\"")
 cp.Append(CXXFLAGS="-DCONFIG_DIR=\\\""+final_config_prefix+"\\\"")
 cp.Append(CXXFLAGS="-DLOCALEDIR=\\\""+final_prefix+"/share/locale\\\"")
diff --git a/libs/surfaces/frontier/tranzport/SConscript b/libs/surfaces/frontier/tranzport/SConscript
index 582f4a7..1b45bf2 100644
--- a/libs/surfaces/frontier/tranzport/SConscript
+++ b/libs/surfaces/frontier/tranzport/SConscript
@@ -25,7 +25,7 @@ interface.cc
 tranzport_control_protocol.cc
 """)
 
-tranzport.Append(CCFLAGS="-D_REENTRANT -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE")
+tranzport.Append(CCFLAGS="-D_REENTRANT -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64")
 tranzport.Append(CXXFLAGS="-DDATA_DIR=\\\""+final_prefix+"/share\\\"")
 tranzport.Append(CXXFLAGS="-DCONFIG_DIR=\\\""+final_config_prefix+"\\\"")
 tranzport.Append(CXXFLAGS="-DLOCALEDIR=\\\""+final_prefix+"/share/locale\\\"")
diff --git a/libs/surfaces/generic_midi/SConscript b/libs/surfaces/generic_midi/SConscript
index 27f8865..b509fdc 100644
--- a/libs/surfaces/generic_midi/SConscript
+++ b/libs/surfaces/generic_midi/SConscript
@@ -26,7 +26,7 @@ generic_midi_control_protocol.cc
 midicontrollable.cc
 """)
 
-genericmidi.Append(CCFLAGS="-D_REENTRANT -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE")
+genericmidi.Append(CCFLAGS="-D_REENTRANT -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64")
 genericmidi.Append(CXXFLAGS="-DDATA_DIR=\\\""+final_prefix+"/share\\\"")
 genericmidi.Append(CXXFLAGS="-DCONFIG_DIR=\\\""+final_config_prefix+"\\\"")
 genericmidi.Append(CXXFLAGS="-DLOCALEDIR=\\\""+final_prefix+"/share/locale\\\"")
diff --git a/libs/surfaces/mackie/SConscript b/libs/surfaces/mackie/SConscript
index 6dcab46..46c283f 100644
--- a/libs/surfaces/mackie/SConscript
+++ b/libs/surfaces/mackie/SConscript
@@ -48,7 +48,7 @@ mackie_surface_generated.cc
 mackie_jog_wheel.cc
 """)
 
-mackie.Append(CCFLAGS="-D_REENTRANT -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE")
+mackie.Append(CCFLAGS="-D_REENTRANT -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64")
 mackie.Append(CXXFLAGS="-DDATA_DIR=\\\""+final_prefix+"/share\\\"")
 mackie.Append(CXXFLAGS="-DCONFIG_DIR=\\\""+final_config_prefix+"\\\"")
 mackie.Append(CXXFLAGS="-DLOCALEDIR=\\\""+final_prefix+"/share/locale\\\"")
diff --git a/libs/surfaces/powermate/SConscript b/libs/surfaces/powermate/SConscript
index 216ae4d..fb1d992 100644
--- a/libs/surfaces/powermate/SConscript
+++ b/libs/surfaces/powermate/SConscript
@@ -25,7 +25,7 @@ interface.cc
 powermate.cc
 """)
 
-powermate.Append(CCFLAGS="-D_REENTRANT -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE")
+powermate.Append(CCFLAGS="-D_REENTRANT -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64")
 powermate.Append(CXXFLAGS="-DDATA_DIR=\\\""+final_prefix+"/share\\\"")
 powermate.Append(CXXFLAGS="-DCONFIG_DIR=\\\""+final_config_prefix+"\\\"")
 powermate.Append(CXXFLAGS="-DLOCALEDIR=\\\""+final_prefix+"/share/locale\\\"")
diff --git a/libs/surfaces/tranzport/SConscript b/libs/surfaces/tranzport/SConscript
index c2ab351..9b207c4 100644
--- a/libs/surfaces/tranzport/SConscript
+++ b/libs/surfaces/tranzport/SConscript
@@ -44,7 +44,7 @@ wheel.cc
 #io_midi.cc
 #io_kernel.cc
 
-tranzport.Append(CCFLAGS="-D_REENTRANT -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE")
+tranzport.Append(CCFLAGS="-D_REENTRANT -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64")
 tranzport.Append(CXXFLAGS="-DDATA_DIR=\\\""+final_prefix+"/share\\\"")
 tranzport.Append(CXXFLAGS="-DCONFIG_DIR=\\\""+final_config_prefix+"\\\"")
 tranzport.Append(CXXFLAGS="-DLOCALEDIR=\\\""+final_prefix+"/share/locale\\\"")
diff --git a/libs/surfaces/wiimote/SConscript b/libs/surfaces/wiimote/SConscript
index c530445..ef3e34f 100644
--- a/libs/surfaces/wiimote/SConscript
+++ b/libs/surfaces/wiimote/SConscript
@@ -25,7 +25,7 @@ wiimote.cc
 interface.cc
 """)
 
-wiimote.Append(CCFLAGS="-D_REENTRANT -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE")
+wiimote.Append(CCFLAGS="-D_REENTRANT -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64")
 wiimote.Append(CXXFLAGS="-DDATA_DIR=\\\""+final_prefix+"/share\\\"")
 wiimote.Append(CXXFLAGS="-DCONFIG_DIR=\\\""+final_config_prefix+"\\\"")
 wiimote.Append(CXXFLAGS="-DLOCALEDIR=\\\""+final_prefix+"/share/locale\\\"")