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-rw-r--r--externals/Makefile.am39
1 files changed, 36 insertions, 3 deletions
diff --git a/externals/Makefile.am b/externals/Makefile.am
index dcddaa5d1..7fa9e6f64 100644
--- a/externals/Makefile.am
+++ b/externals/Makefile.am
@@ -64,10 +64,43 @@ build-aterm: have-aterm
endif
-all: build-db build-aterm
+# bzip2
-EXTRA_DIST = $(DB).tar.gz $(ATERM).tar.gz
+BZIP2 = bzip2-1.0.3
+
+$(BZIP2).tar.gz:
+ @echo "Nix requires bzip2 to build."
+ @echo "Please download version 1.0.3 from"
+ @echo " http://www.bzip.org/1.0.3/bzip2-1.0.3.tar.gz"
+ @echo "and place it in the externals/ directory."
+ false
+
+$(BZIP2): $(BZIP2).tar.gz
+ gunzip < $(BZIP2).tar.gz | tar xvf -
+
+have-bzip2:
+ $(MAKE) $(BZIP2)
+ touch have-bzip2
+
+if HAVE_BZIP2
+build-bzip2:
+else
+build-bzip2: have-bzip2
+ (pfx=`pwd` && \
+ cd $(BZIP2) && \
+ $(MAKE) && \
+ $(MAKE) install PREFIX=$$pfx/inst-bzip2)
+ touch build-bzip2
+
+install:
+ cp $(bzip2_bin_test)/bzip2 $(bzip2_bin_test)/bunzip2 ${bzip2_bin}
+endif
+
+
+all: build-db build-aterm build-bzip2
+
+EXTRA_DIST = $(DB).tar.gz $(ATERM).tar.gz $(BZIp2).tar.gz
ext-clean:
$(RM) -f have-db build-db have-aterm build-aterm
- $(RM) -rf $(DB) $(ATERM)
+ $(RM) -rf $(DB) $(ATERM) $(BZIP2)