build cmake: added size optimization

pixclk · pixclk · commit a04dd72fe8dd · 2024-02-13T15:56:40.000+08:00
Signed-off-by: John Sanpe &lt;sanpeqf@gmail.com&gt;
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -59,7 +59,7 @@ set(MCPU "-mcpu=cortex-m0plus -mthumb")
 set(MFLOAT_ABI "-mfloat-abi=soft")
 set(LINKER_SCRIPT ${PY32_LDS_PATH}/py32f030x6.ld)
 
-set(CMAKE_C_FLAGS "${MCPU} ${MFLOAT_ABI} -std=gnu11 --specs=nano.specs")
+set(CMAKE_C_FLAGS "${MCPU} ${MFLOAT_ABI} -Os -std=gnu11 --specs=nano.specs")
 set(CMAKE_ASM_FLAGS "${CMAKE_C_FLAGS} -x assembler-with-cpp")
 
 set(CMAKE_EXE_LINKER_FLAGS
diff --git a/bfdev b/bfdev
@@ -1 +1 @@
-Subproject commit 38bf0389e3ea26a37f293319098e9bcd98ef6d5d
+Subproject commit 99aea8e23a155d030aae804abe9f88e2438eafd8
