FW-867. Add space optimization flags

lanyangyang · Jun 11, 2020 · 0d42c1f · 0d42c1f
1 parent 563a9e3
commit 0d42c1f
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/SConscript b/SConscript
@@ -266,6 +266,8 @@ elif env['toolchain'] == 'armgcc':
         env.Append(CCFLAGS='-Wall')
         env.Append(CCFLAGS='-Wa,-adhlns=${TARGET.base}.lst')
         env.Append(CCFLAGS='-c')
+        env.Append(CCFLAGS='-ffunction-sections')
+        env.Append(CCFLAGS='-fdata-sections')
         env.Append(CCFLAGS='-fmessage-length=0')
         env.Append(CCFLAGS='-mcpu=cortex-m3')
         env.Append(CCFLAGS='-mthumb')
@@ -286,6 +288,7 @@ elif env['toolchain'] == 'armgcc':
         env.Append(LINKFLAGS='-specs=nosys.specs')
         env.Append(LINKFLAGS='-specs=nano.specs')
         env.Append(LINKFLAGS='-Wl,-Map,${TARGET.base}.map')
+        env.Append(LINKFLAGS='-Wl,--gc-sections')
         env.Append(LINKFLAGS='-mcpu=cortex-m3')
         env.Append(LINKFLAGS='-mthumb')
         env.Append(LINKFLAGS='-g3')