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-rw-r--r--src/libexpr/local.mk24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/libexpr/local.mk b/src/libexpr/local.mk
new file mode 100644
index 000000000000..431f84b0999e
--- /dev/null
+++ b/src/libexpr/local.mk
@@ -0,0 +1,24 @@
+libraries += libexpr
+
+libexpr_NAME = libnixexpr
+
+libexpr_DIR := $(d)
+
+libexpr_SOURCES := $(wildcard $(d)/*.cc) $(d)/lexer-tab.cc $(d)/parser-tab.cc
+
+libexpr_LIBS = libutil libstore libformat
+
+# The dependency on libgc must be propagated (i.e. meaning that
+# programs/libraries that use libexpr must explicitly pass -lgc),
+# because inline functions in libexpr's header files call libgc.
+libexpr_LDFLAGS_PROPAGATED = $(BDW_GC_LIBS)
+
+$(d)/parser-tab.cc $(d)/parser-tab.hh: $(d)/parser.y
+	$(trace-gen) bison -v -o $(libexpr_DIR)/parser-tab.cc $< -d
+
+$(d)/lexer-tab.cc $(d)/lexer-tab.hh: $(d)/lexer.l
+	$(trace-gen) flex --outfile $(libexpr_DIR)/lexer-tab.cc --header-file=$(libexpr_DIR)/lexer-tab.hh $<
+
+clean-files += $(d)/parser-tab.cc $(d)/parser-tab.hh $(d)/lexer-tab.cc $(d)/lexer-tab.hh
+
+dist-files += $(d)/parser-tab.cc $(d)/parser-tab.hh $(d)/lexer-tab.cc $(d)/lexer-tab.hh