1 files changed, 75 insertions, 0 deletions
diff --git a/third_party/nix/src/libexpr/CMakeLists.txt b/third_party/nix/src/libexpr/CMakeLists.txt
new file mode 100644
index 000000000000..3456052ea9dd
--- /dev/null
+++ b/third_party/nix/src/libexpr/CMakeLists.txt
@@ -0,0 +1,75 @@
+# -*- mode: cmake; -*-
+add_library(nixexpr SHARED)
+set_property(TARGET nixexpr PROPERTY CXX_STANDARD 17)
+include_directories(${PROJECT_BINARY_DIR}) # for 'generated/'
+target_include_directories(nixexpr PUBLIC "${nix_SOURCE_DIR}/src")
+
+# Generate lexer & parser for inclusion:
+find_package(BISON)
+find_package(FLEX)
+
+BISON_TARGET(NixParser parser.y
+  ${PROJECT_BINARY_DIR}/generated/parser-tab.cc
+  DEFINES_FILE ${PROJECT_BINARY_DIR}/generated/parser-tab.hh)
+
+FLEX_TARGET(NixLexer lexer.l
+  ${PROJECT_BINARY_DIR}/generated/lexer-tab.cc
+  DEFINES_FILE ${PROJECT_BINARY_DIR}/generated/lexer-tab.hh)
+
+ADD_FLEX_BISON_DEPENDENCY(NixLexer NixParser)
+
+target_sources(nixexpr
+  PUBLIC
+    attr-path.hh
+    attr-set.hh
+    common-eval-args.hh
+    eval.hh
+    eval-inline.hh
+    function-trace.hh
+    get-drvs.hh
+    json-to-value.hh
+    names.hh
+    nixexpr.hh
+    primops.hh
+    symbol-table.hh
+    value.hh
+    value-to-json.hh
+    value-to-xml.hh
+
+  PRIVATE
+    ${PROJECT_BINARY_DIR}/generated/parser-tab.hh
+    ${PROJECT_BINARY_DIR}/generated/parser-tab.cc
+    ${PROJECT_BINARY_DIR}/generated/lexer-tab.hh
+    ${PROJECT_BINARY_DIR}/generated/lexer-tab.cc
+    primops/context.cc
+    primops/fetchGit.cc
+    primops/fetchMercurial.cc
+    primops/fromTOML.cc
+    attr-path.cc
+    attr-set.cc
+    common-eval-args.cc
+    eval.cc
+    function-trace.cc
+    get-drvs.cc
+    json-to-value.cc
+    names.cc
+    nixexpr.cc
+    primops.cc
+    symbol-table.cc
+    value-to-json.cc
+    value-to-xml.cc
+)
+
+target_link_libraries(nixexpr
+  nixmain
+  nixstore
+  nixutil
+
+  absl::btree
+  absl::node_hash_set
+  absl::strings
+  gc
+  gccpp
+)
+
+INSTALL(TARGETS nixexpr DESTINATION lib)