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https://github.com/privatevoid-net/nix-super.git
synced 2024-11-11 00:36:20 +02:00
5576d5e987
Prior to this change, we had a bunch of ad-hoc string manipulation code scattered around. This made it hard to figure out what data model for string contexts is. Now, we still store string contexts most of the time as encoded strings --- I was wary of the performance implications of changing that --- but whenever we parse them we do so only through the `NixStringContextElem::parse` method, which handles all cases. This creates a data type that is very similar to `DerivedPath` but: - Represents the funky `=<drvpath>` case as properly distinct from the others. - Only encodes a single output, no wildcards and no set, for the "built" case. (I would like to deprecate `=<path>`, after which we are in spitting distance of `DerivedPath` and could maybe get away with fewer types, but that is another topic for another day.)
48 lines
1.7 KiB
Makefile
48 lines
1.7 KiB
Makefile
libraries += libexpr
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libexpr_NAME = libnixexpr
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libexpr_DIR := $(d)
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libexpr_SOURCES := \
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$(wildcard $(d)/*.cc) \
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$(wildcard $(d)/value/*.cc) \
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$(wildcard $(d)/primops/*.cc) \
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$(wildcard $(d)/flake/*.cc) \
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$(d)/lexer-tab.cc \
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$(d)/parser-tab.cc
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libexpr_CXXFLAGS += -I src/libutil -I src/libstore -I src/libfetchers -I src/libmain -I src/libexpr
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libexpr_LIBS = libutil libstore libfetchers
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libexpr_LDFLAGS += -lboost_context -pthread
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ifdef HOST_LINUX
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libexpr_LDFLAGS += -ldl
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endif
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# The dependency on libgc must be propagated (i.e. meaning that
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# programs/libraries that use libexpr must explicitly pass -lgc),
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# because inline functions in libexpr's header files call libgc.
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libexpr_LDFLAGS_PROPAGATED = $(BDW_GC_LIBS)
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libexpr_ORDER_AFTER := $(d)/parser-tab.cc $(d)/parser-tab.hh $(d)/lexer-tab.cc $(d)/lexer-tab.hh
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$(d)/parser-tab.cc $(d)/parser-tab.hh: $(d)/parser.y
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$(trace-gen) bison -v -o $(libexpr_DIR)/parser-tab.cc $< -d
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$(d)/lexer-tab.cc $(d)/lexer-tab.hh: $(d)/lexer.l
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$(trace-gen) flex --outfile $(libexpr_DIR)/lexer-tab.cc --header-file=$(libexpr_DIR)/lexer-tab.hh $<
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clean-files += $(d)/parser-tab.cc $(d)/parser-tab.hh $(d)/lexer-tab.cc $(d)/lexer-tab.hh
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$(eval $(call install-file-in, $(d)/nix-expr.pc, $(libdir)/pkgconfig, 0644))
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$(foreach i, $(wildcard src/libexpr/value/*.hh), \
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$(eval $(call install-file-in, $(i), $(includedir)/nix/value, 0644)))
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$(foreach i, $(wildcard src/libexpr/flake/*.hh), \
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$(eval $(call install-file-in, $(i), $(includedir)/nix/flake, 0644)))
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$(d)/primops.cc: $(d)/imported-drv-to-derivation.nix.gen.hh $(d)/primops/derivation.nix.gen.hh $(d)/fetchurl.nix.gen.hh
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$(d)/flake/flake.cc: $(d)/flake/call-flake.nix.gen.hh
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