Add 'third_party/nix/' from commit 'be66c7a6b24e3c3c6157fd37b86c7203d14acf10'

git-subtree-dir: third_party/nix
git-subtree-mainline: cf8cd640c1
git-subtree-split: be66c7a6b24e3c3c6157fd37b86c7203d14acf10

third_party/nix/perl/local.mk

@@ -0,0 +1,43 @@
+nix_perl_sources := \
+  lib/Nix/Store.pm \
+  lib/Nix/Manifest.pm \
+  lib/Nix/SSH.pm \
+  lib/Nix/CopyClosure.pm \
+  lib/Nix/Config.pm.in \
+  lib/Nix/Utils.pm
+
+nix_perl_modules := $(nix_perl_sources:.in=)
+
+$(foreach x, $(nix_perl_modules), $(eval $(call install-data-in, $(x), $(perllibdir)/Nix)))
+
+lib/Nix/Store.cc: lib/Nix/Store.xs
+	$(trace-gen) xsubpp $^ -output $@
+
+libraries += Store
+
+Store_DIR := lib/Nix
+
+Store_SOURCES := $(Store_DIR)/Store.cc
+
+Store_CXXFLAGS = \
+  $(NIX_CFLAGS) \
+  -I$(shell perl -e 'use Config; print $$Config{archlibexp};')/CORE \
+  -D_FILE_OFFSET_BITS=64 \
+  -Wno-unknown-warning-option -Wno-unused-variable -Wno-literal-suffix \
+  -Wno-reserved-user-defined-literal -Wno-duplicate-decl-specifier -Wno-pointer-bool-conversion
+
+Store_LDFLAGS := $(SODIUM_LIBS) $(NIX_LIBS)
+
+ifeq (CYGWIN,$(findstring CYGWIN,$(OS)))
+  archlib = $(shell perl -E 'use Config; print $$Config{archlib};')
+  libperl = $(shell perl -E 'use Config; print $$Config{libperl};')
+  Store_LDFLAGS += $(shell find ${archlib} -name ${libperl})
+endif
+
+Store_ALLOW_UNDEFINED = 1
+
+Store_FORCE_INSTALL = 1
+
+Store_INSTALL_DIR = $(perllibdir)/auto/Nix/Store
+
+clean-files += lib/Nix/Config.pm lib/Nix/Store.cc Makefile.config