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-rw-r--r--source.mk19
1 files changed, 19 insertions, 0 deletions
diff --git a/source.mk b/source.mk
new file mode 100644
index 0000000..f5afca3
--- /dev/null
+++ b/source.mk
@@ -0,0 +1,19 @@
+upstream_archive = $(OPK_SOURCE)-$(OPK_SOURCE_VERSION_UPSTREAM).tar.gz
+upstream_url = https://libav.org/releases/$(upstream_archive)
+source_archive = ../$(OPK_SOURCE)-$(OPK_SOURCE_VERSION_UPSTREAM).orig.tar.gz
+keys = 'B393 2517 957C 77DF 066E ADC4 0D1B 6F07 658C B036'
+
+$(source_archive):
+ wget -c '$(upstream_url)'
+ set -e; if gpg --version >/dev/null 2>&1; then \
+ wget -c '$(upstream_url).asc'; \
+ [ -e ../keyring.gpg ] || \
+ gpg --keyring ../keyring.gpg --no-default-keyring \
+ --recv-keys $(keys) || true; \
+ rm -f ../keyring.gpg~; \
+ gpg --verify --keyring ../keyring.gpg \
+ '$(upstream_archive).asc'; \
+ fi
+ mv '$(upstream_archive)' '$(source_archive)'
+
+source: $(source_archive)