mckero/uv-k1-k5v3-firmware-custom
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build: enable LTO by default

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LTO saves ~4K in Flash and ~300 Bytes in RAM

Disable LTO
```
Memory region         Used Size  Region Size  %age Used
             RAM:       12256 B        16 KB     74.80%
           FLASH:       84304 B       118 KB     69.77%
```

Enable LTO
```
[82/82] Linking C executable f4hwn.fusion.elf
Memory region         Used Size  Region Size  %age Used
             RAM:       11904 B        16 KB     72.66%
           FLASH:       80820 B       118 KB     66.89%
```
This commit is contained in:
Meng Zhuo committed 2026-01-30 10:26:52 +08:00
1 parent d3b985c5ad
commit 164a72738a
2 files changed
+5
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CMakePresets.json
+1
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@@ -9,6 +9,7 @@
"toolchainFile": "${sourceDir}/cmake/gcc-arm-none-eabi.cmake",
"cacheVariables": {
"CMAKE_BUILD_TYPE": "Release",
"ENABLE_LTO": true,
"ENABLE_FMRADIO": false,
"ENABLE_UART": true,
"ENABLE_USB": true,