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libraries += libexpr
libexpr_NAME = libnixexpr
libexpr_DIR := $(d)
libexpr_SOURCES := \
$(wildcard $(d)/*.cc) \
$(wildcard $(d)/primops/*.cc) \
$(wildcard $(d)/flake/*.cc) \
$(d)/lexer-tab.cc \
$(d)/parser-tab.cc
libexpr_CXXFLAGS += -I src/libutil -I src/libstore -I src/libfetchers -I src/libmain -I src/libexpr
libexpr_LIBS = libutil libstore libfetchers
libexpr_LDFLAGS = -lboost_context
ifneq ($(OS), FreeBSD)
libexpr_LDFLAGS += -ldl
endif
# 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)
libexpr_ORDER_AFTER := $(d)/parser-tab.cc $(d)/parser-tab.hh $(d)/lexer-tab.cc $(d)/lexer-tab.hh
$(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
$(eval $(call install-file-in, $(d)/nix-expr.pc, $(prefix)/lib/pkgconfig, 0644))
$(foreach i, $(wildcard src/libexpr/flake/*.hh), \
$(eval $(call install-file-in, $(i), $(includedir)/nix/flake, 0644)))
$(d)/primops.cc: $(d)/imported-drv-to-derivation.nix.gen.hh $(d)/primops/derivation.nix.gen.hh
$(d)/flake/flake.cc: $(d)/flake/call-flake.nix.gen.hh
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