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makefile: adjust linker path in Makefile 

As mentioned in https://github.com/projectacrn/acrn-documentation/pull/38
on some operating systems, the ``gnu-efi`` package installs the
linker under a ``gnuefi`` folder in ``${LIBDIR}``. This is the
case in Fedora for example. Check if the gnuefi folder is there
and use it if it is in the path to the linker.  This PR fixes the
Makefile rather than documenting how to edit it yourself.

Signed-off-by: David B. Kinder <david.b.kinder@intel.com>
This commit is contained in:
David B. Kinder 2018-03-20 13:54:32 -07:00 committed by Jack Ren
parent 7d8803f5ea
commit 23c12b7a74
1 changed files with 9 additions and 2 deletions
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11
hypervisor/bsp/uefi/efi/Makefile
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@ -55,8 +55,15 @@ endif
INCDIR := /usr/include INCDIR := /usr/include
# gnuefi sometimes installs these under a gnuefi/ directory, and sometimes not # gnuefi sometimes installs these under a gnuefi/ directory, and sometimes not
CRT0 := $(LIBDIR)/crt0-efi-$(ARCH).o ifneq ("$(wildcard $(LIBDIR)/gnuefi/crt0-efi-$(ARCH).o)","")
LDSCRIPT := $(LIBDIR)/elf_$(ARCH)_efi.lds CRT0 := $(LIBDIR)/gnuefi/crt0-efi-$(ARCH).o
LDSCRIPT := $(LIBDIR)/gnuefi/elf_$(ARCH)_efi.lds
else
CRT0 := $(LIBDIR)/crt0-efi-$(ARCH).o
LDSCRIPT := $(LIBDIR)/elf_$(ARCH)_efi.lds
endif
CFLAGS=-I. -I.. -I$(INCDIR)/efi -I$(INCDIR)/efi/$(ARCH) \ CFLAGS=-I. -I.. -I$(INCDIR)/efi -I$(INCDIR)/efi/$(ARCH) \
-DEFI_FUNCTION_WRAPPER -fPIC -fshort-wchar -ffreestanding \ -DEFI_FUNCTION_WRAPPER -fPIC -fshort-wchar -ffreestanding \