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boot: Use -fvisibility=hidden instead of -fwhole-program

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It's functionally the same for sd-boot, but using visibilty
is generally preferred over whole-program.
This commit is contained in:
Jan Janssen 2021-12-22 13:35:05 +01:00 committed by Yu Watanabe
parent d2c3f14fed
commit 2ef28d054d
1 changed files with 2 additions and 1 deletions
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3
src/boot/efi/meson.build
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@ -225,6 +225,7 @@ efi_cflags = cc.get_supported_arguments(
'-std=gnu99',
'-ffreestanding',
'-fshort-wchar',
'-fvisibility=hidden',
'-isystem', efi_incdir,
'-isystem', efi_incdir / efi_arch[1],
'-I', fundamental_path,
@ -281,7 +282,7 @@ efi_ldflags = [
efi_crt0,
]
if efi_arch[1] in ['aarch64', 'arm', 'riscv64']
efi_ldflags += ['-shared', '-fwhole-program']
efi_ldflags += ['-shared']
# Aarch64, ARM32 and 64bit RISC-V don't have an EFI capable objcopy.
# Use 'binary' instead, and add required symbols manually.
efi_ldflags += ['-Wl,--defsym=EFI_SUBSYSTEM=0xa']