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-rw-r--r--third_party/nix/src/libexpr/CMakeLists.txt9
1 files changed, 7 insertions, 2 deletions
diff --git a/third_party/nix/src/libexpr/CMakeLists.txt b/third_party/nix/src/libexpr/CMakeLists.txt
index 3456052ea9dd..d85cb24c81cd 100644
--- a/third_party/nix/src/libexpr/CMakeLists.txt
+++ b/third_party/nix/src/libexpr/CMakeLists.txt
@@ -18,8 +18,7 @@ FLEX_TARGET(NixLexer lexer.l
 
 ADD_FLEX_BISON_DEPENDENCY(NixLexer NixParser)
 
-target_sources(nixexpr
-  PUBLIC
+set(HEADER_FILES
     attr-path.hh
     attr-set.hh
     common-eval-args.hh
@@ -35,6 +34,11 @@ target_sources(nixexpr
     value.hh
     value-to-json.hh
     value-to-xml.hh
+)
+
+target_sources(nixexpr
+  PUBLIC
+    ${HEADER_FILES}
 
   PRIVATE
     ${PROJECT_BINARY_DIR}/generated/parser-tab.hh
@@ -72,4 +76,5 @@ target_link_libraries(nixexpr
   gccpp
 )
 
+INSTALL(FILES ${HEADER_FILES} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/nix/libexpr)
 INSTALL(TARGETS nixexpr DESTINATION lib)