diff --git a/lib/rscons/builders/library.rb b/lib/rscons/builders/library.rb
index adffeb1..fc3cfdc 100644
--- a/lib/rscons/builders/library.rb
+++ b/lib/rscons/builders/library.rb
@@ -6,8 +6,8 @@ module Rscons
         {
           'AR' => 'ar',
           'LIBSUFFIX' => '.a',
-          'ARFLAGS' => [],
-          'ARCMD' => ['${AR}', 'rcs', '${ARFLAGS}', '${_TARGET}', '${_SOURCES}']
+          'ARFLAGS' => ['rcs'],
+          'ARCMD' => ['${AR}', '${ARFLAGS}', '${_TARGET}', '${_SOURCES}']
         }
       end
 
diff --git a/lib/rscons/builders/object.rb b/lib/rscons/builders/object.rb
index 180f60a..dd88758 100644
--- a/lib/rscons/builders/object.rb
+++ b/lib/rscons/builders/object.rb
@@ -14,34 +14,40 @@ module Rscons
         {
           'OBJSUFFIX' => '.o',
 
+          'CPPDEFPREFIX' => '-D',
+          'INCPREFIX' => '-I',
+
           'AS' => '${CC}',
           'ASFLAGS' => [],
           'ASSUFFIX' => '.S',
           'ASPPPATH' => '${CPPPATH}',
           'ASPPFLAGS' => '${CPPFLAGS}',
           'ASDEPGEN' => ['-MMD', '-MF', '${_DEPFILE}'],
-          'ASCMD' => ['${AS}', '-c', '-o', '${_TARGET}', '${ASDEPGEN}', '-I${ASPPPATH}', '${ASPPFLAGS}', '${ASFLAGS}', '${_SOURCES}'],
+          'ASCMD' => ['${AS}', '-c', '-o', '${_TARGET}', '${ASDEPGEN}', '${INCPREFIX}${ASPPPATH}', '${ASPPFLAGS}', '${ASFLAGS}', '${_SOURCES}'],
 
-          'CPPFLAGS' => [],
+          'CPPFLAGS' => ['${CPPDEFPREFIX}${CPPDEFINES}'],
+          'CPPDEFINES' => [],
           'CPPPATH' => [],
 
+          'CCFLAGS' => [],
+
           'CC' => 'gcc',
           'CFLAGS' => [],
           'CSUFFIX' => '.c',
           'CCDEPGEN' => ['-MMD', '-MF', '${_DEPFILE}'],
-          'CCCMD' => ['${CC}', '-c', '-o', '${_TARGET}', '${CCDEPGEN}', '-I${CPPPATH}', '${CPPFLAGS}', '${CFLAGS}', '${_SOURCES}'],
+          'CCCMD' => ['${CC}', '-c', '-o', '${_TARGET}', '${CCDEPGEN}', '${INCPREFIX}${CPPPATH}', '${CPPFLAGS}', '${CFLAGS}', '${CCFLAGS}', '${_SOURCES}'],
 
           'CXX' => 'g++',
           'CXXFLAGS' => [],
           'CXXSUFFIX' => '.cc',
           'CXXDEPGEN' => ['-MMD', '-MF', '${_DEPFILE}'],
-          'CXXCMD' =>['${CXX}', '-c', '-o', '${_TARGET}', '${CXXDEPGEN}', '-I${CPPPATH}', '${CPPFLAGS}', '${CXXFLAGS}', '${_SOURCES}'],
+          'CXXCMD' =>['${CXX}', '-c', '-o', '${_TARGET}', '${CXXDEPGEN}', '${INCPREFIX}${CPPPATH}', '${CPPFLAGS}', '${CXXFLAGS}', '${CCFLAGS}', '${_SOURCES}'],
 
           'DC' => 'gdc',
           'DFLAGS' => [],
           'DSUFFIX' => '.d',
           'D_IMPORT_PATH' => [],
-          'DCCMD' => ['${DC}', '-c', '-o', '${_TARGET}', '-I${D_IMPORT_PATH}', '${DFLAGS}', '${_SOURCES}'],
+          'DCCMD' => ['${DC}', '-c', '-o', '${_TARGET}', '${INCPREFIX}${D_IMPORT_PATH}', '${DFLAGS}', '${_SOURCES}'],
         }
       end
 
diff --git a/lib/rscons/builders/program.rb b/lib/rscons/builders/program.rb
index 1e3bbc5..aee688b 100644
--- a/lib/rscons/builders/program.rb
+++ b/lib/rscons/builders/program.rb
@@ -10,8 +10,10 @@ module Rscons
           'LIBSUFFIX' => '.a',
           'LDFLAGS' => [],
           'LIBPATH' => [],
+          'LIBDIRPREFIX' => '-L',
+          'LIBLINKPREFIX' => '-l',
           'LIBS' => [],
-          'LDCMD' => ['${LD}', '-o', '${_TARGET}', '${LDFLAGS}', '${_SOURCES}', '-L${LIBPATH}', '-l${LIBS}']
+          'LDCMD' => ['${LD}', '-o', '${_TARGET}', '${LDFLAGS}', '${_SOURCES}', '${LIBDIRPREFIX}${LIBPATH}', '${LIBLINKPREFIX}${LIBS}']
         }
       end