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-rw-r--r--roms/Makefile.edk27
1 files changed, 6 insertions, 1 deletions
diff --git a/roms/Makefile.edk2 b/roms/Makefile.edk2
index c2f2ff59d5..33a074d3a4 100644
--- a/roms/Makefile.edk2
+++ b/roms/Makefile.edk2
@@ -46,8 +46,13 @@ all: $(foreach flashdev,$(flashdevs),../pc-bios/edk2-$(flashdev).fd.bz2) \
# files.
.INTERMEDIATE: $(foreach flashdev,$(flashdevs),../pc-bios/edk2-$(flashdev).fd)
+# Fetch edk2 submodule's submodules. If it is not in a git tree, assume
+# we're building from a tarball and that they've already been fetched by
+# make-release/tarball scripts.
submodules:
- cd edk2 && git submodule update --init --force
+ if test -d edk2/.git; then \
+ cd edk2 && git submodule update --init --force; \
+ fi
# See notes on the ".NOTPARALLEL" target and the "+" indicator in
# "tests/uefi-test-tools/Makefile".