On 5/11/25 12:52, Heinrich Schuchardt wrote:
On 5/8/25 20:30, Adriano Cordova wrote:
Link .efi applications using libgcc
Signed-off-by: Adriano Cordova <adriano.cord...@canonical.com>
---
changes in v2:
- Address the root of the problem. In v1 I was modifying
printx in initrddump.efi not to generate __lshrdi3 instructions,
but a better fix is to provide those instructions with libgcc
scripts/Makefile.lib | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 83fd5ff6c31..3a86cf375c3 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -497,7 +497,7 @@ KBUILD_EFILDFLAGS = -nostdlib -zexecstack -
znocombreloc -znorelro
KBUILD_EFILDFLAGS += $(call ld-option,--no-warn-rwx-segments)
quiet_cmd_efi_ld = LD $@
cmd_efi_ld = $(LD) $(KBUILD_EFILDFLAGS) -L $(srctree) -T
$(EFI_LDS_PATH) \
- -shared -Bsymbolic -s $^ -o $@
+ -shared -Bsymbolic -s $^ $(PLATFORM_LIBS) -o $@
EFI_LDS_PATH = arch/$(ARCH)/lib/$(EFI_LDS)
Building with this series fails:
sandbox: + sandbox_noinst
+ld.bfd: cannot find -lrt: No such file or directory
+ld.bfd: cannot find -lSDL2: No such file or directory
+make[3]: *** [scripts/Makefile.lib:512: lib/efi_loader/
helloworld_efi.so] Error 1
+make[2]: *** [scripts/Makefile.build:398: lib/efi_loader] Error 2
+make[1]: *** [Makefile:1919: lib] Error 2
+make: *** [Makefile:177: sub-make] Error 2
0 0 1 /1 sandbox_noinst
See https://source.denx.de/u-boot/custodians/u-boot-efi/-/jobs/1131665/raw
Best regards
Heinrich
Using PLATFORM_LIBGCC instead of PLATFORM_LIBS resolves the problem.
PLATFORM_LIBGCC should match your intention to link in libgcc according
to our prior communication. I will adjust the patch accordingly.
Best regards
Heinrich
