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-rw-r--r--tunnel/tools/libwg-go/Makefile8
1 files changed, 5 insertions, 3 deletions
diff --git a/tunnel/tools/libwg-go/Makefile b/tunnel/tools/libwg-go/Makefile
index 99ce0380..6c2d25b5 100644
--- a/tunnel/tools/libwg-go/Makefile
+++ b/tunnel/tools/libwg-go/Makefile
@@ -26,9 +26,11 @@ default: $(DESTDIR)/libwg-go.so
$(BUILDDIR)/go-$(DESIRED_GO_VERSION)/.prepared:
mkdir -p "$(dir $@)"
- curl "https://dl.google.com/go/go$(DESIRED_GO_VERSION).$(shell uname -s | tr '[:upper:]' '[:lower:]')-$(NDK_GO_ARCH_MAP_$(shell uname -m)).tar.gz" | tar -C "$(dir $@)" --strip-components=1 -xzf -
- patch -p1 -f -N -r- -d "$(dir $@)" < goruntime-boottime-over-monotonic.diff
- touch "$@"
+ flock -x "$@.lock" -c ' \
+ [ -f "$@" ] && exit 0; \
+ curl "https://dl.google.com/go/go$(DESIRED_GO_VERSION).$(shell uname -s | tr '[:upper:]' '[:lower:]')-$(NDK_GO_ARCH_MAP_$(shell uname -m)).tar.gz" | tar -C "$(dir $@)" --strip-components=1 -xzf - && \
+ patch -p1 -f -N -r- -d "$(dir $@)" < goruntime-boottime-over-monotonic.diff && \
+ touch "$@"'
$(DESTDIR)/libwg-go.so: export PATH := $(BUILDDIR)/go-$(DESIRED_GO_VERSION)/bin/:$(PATH)
$(DESTDIR)/libwg-go.so: $(BUILDDIR)/go-$(DESIRED_GO_VERSION)/.prepared go.mod