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[build] Use -malign-double to build 32-bit UEFI binaries 

The EDK2 codebase uses -malign-double for 32-bit builds, which causes
64-bit integers to be naturally aligned.  This affects the layout of
some structures (including EFI_BLOCK_IO_MEDIA).

This mirrors wimboot commit 7b8f39d ("[build] Fix building of 32-bit
UEFI version").

Signed-off-by: Michael Brown <mcb30@ipxe.org>
pull/27/merge
Michael Brown 2014-09-24 16:07:04 +01:00
parent 6a22170085
commit a3d86074cc
1 changed files with 4 additions and 0 deletions
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4
src/arch/i386/Makefile.efi
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@ -4,6 +4,10 @@
# #
ELF2EFI = $(ELF2EFI32) ELF2EFI = $(ELF2EFI32)
# Use EFI ABI
#
CFLAGS += -malign-double
# Include generic EFI Makefile # Include generic EFI Makefile
# #
MAKEDEPS += arch/x86/Makefile.efi MAKEDEPS += arch/x86/Makefile.efi