Use GCC wrapped ar & ranlib to enable LTO (#1329)

LTO shifts compilation to the final link, allowing for more aggressive optimisations. AR & RANLIB need to use their gcc equivalents to enable this, and will otherwise behave identically if LTO data is not in the objects. Signed-off-by: Alastair D'Silva <[email protected]>
platformio · Mar 20, 2024 · 271f417 · 271f417
1 parent 141b048
commit 271f417
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/builder/main.py b/builder/main.py
@@ -250,7 +250,7 @@ def __fetch_fs_size(target, source, env):
  __get_board_flash_mode=_get_board_flash_mode,
  __get_board_memory_type=_get_board_memory_type,
 
- AR="%s-elf-ar" % toolchain_arch,
+ AR="%s-elf-gcc-ar" % toolchain_arch,
  AS="%s-elf-as" % toolchain_arch,
  CC="%s-elf-gcc" % toolchain_arch,
  CXX="%s-elf-g++" % toolchain_arch,
@@ -266,7 +266,7 @@ def __fetch_fs_size(target, source, env):
  ) if env.get("PIOFRAMEWORK") == ["espidf"] else "%s-elf-gdb" % toolchain_arch,
  OBJCOPY=join(
  platform.get_package_dir("tool-esptoolpy") or "", "esptool.py"),
- RANLIB="%s-elf-ranlib" % toolchain_arch,
+ RANLIB="%s-elf-gcc-ranlib" % toolchain_arch,
  SIZETOOL="%s-elf-size" % toolchain_arch,
 
  ARFLAGS=["rc"],