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

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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 <alastair@d-silva.org>
This commit is contained in:
Alastair D'Silva
2024-03-20 23:59:09 +11:00
committed by GitHub
parent 141b048f86
commit 271f4175f7
1 changed files with 2 additions and 2 deletions
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builder/main.py
+2 -2
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@@ -250,7 +250,7 @@ env.Replace(
__get_board_flash_mode=_get_board_flash_mode, __get_board_flash_mode=_get_board_flash_mode,
__get_board_memory_type=_get_board_memory_type, __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, AS="%s-elf-as" % toolchain_arch,
CC="%s-elf-gcc" % toolchain_arch, CC="%s-elf-gcc" % toolchain_arch,
CXX="%s-elf-g++" % toolchain_arch, CXX="%s-elf-g++" % toolchain_arch,
@@ -266,7 +266,7 @@ env.Replace(
) if env.get("PIOFRAMEWORK") == ["espidf"] else "%s-elf-gdb" % toolchain_arch, ) if env.get("PIOFRAMEWORK") == ["espidf"] else "%s-elf-gdb" % toolchain_arch,
OBJCOPY=join( OBJCOPY=join(
platform.get_package_dir("tool-esptoolpy") or "", "esptool.py"), 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, SIZETOOL="%s-elf-size" % toolchain_arch,
ARFLAGS=["rc"], ARFLAGS=["rc"],