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| author | Marek Behún <marek.behun@nic.cz> | 2021-05-20 13:24:24 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2021-05-24 14:21:30 -0400 |
| commit | 34ccadcd3334d695806acb84e4d4e5f4ef322e9e (patch) | |
| tree | 0c9c960d22440e952ab627489619b445ec2e34c4 /arch/arm/config.mk | |
| parent | 75c7d10c1f61ff509bcbe00284b7424b55c9ed92 (diff) | |
ARM: don't use --gc-sections with LTO when using private libgcc
When using LTO, we can throw away the --gc-sections flag, but only if
using private libgcc.
When using system's libgcc, --gc-sections is still needed, otherwise
linking will fail due to undefined references to libc's symbols.
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/arm/config.mk')
| -rw-r--r-- | arch/arm/config.mk | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/config.mk b/arch/arm/config.mk index f556ee3329..16c63e1266 100644 --- a/arch/arm/config.mk +++ b/arch/arm/config.mk @@ -15,7 +15,9 @@ CFLAGS_NON_EFI := -fno-pic -ffixed-r9 -ffunction-sections -fdata-sections \ -fstack-protector-strong CFLAGS_EFI := -fpic -fshort-wchar +ifneq ($(CONFIG_LTO)$(CONFIG_USE_PRIVATE_LIBGCC),yy) LDFLAGS_FINAL += --gc-sections +endif ifndef CONFIG_LTO PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections |