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-rw-r--r--third_party/nix/src/libmain/CMakeLists.txt3
-rw-r--r--third_party/nix/src/libmain/nix-main.pc.in8
2 files changed, 7 insertions, 4 deletions
diff --git a/third_party/nix/src/libmain/CMakeLists.txt b/third_party/nix/src/libmain/CMakeLists.txt
index 2520c85cc50a..a95128c1318f 100644
--- a/third_party/nix/src/libmain/CMakeLists.txt
+++ b/third_party/nix/src/libmain/CMakeLists.txt
@@ -26,5 +26,8 @@ target_link_libraries(nixmain
   glog
 )
 
+configure_file("nix-main.pc.in" "${PROJECT_BINARY_DIR}/nix-main.pc" @ONLY)
+INSTALL(FILES "${PROJECT_BINARY_DIR}/nix-main.pc" DESTINATION "${PKGCONFIG_INSTALL_DIR}")
+
 INSTALL(FILES ${HEADER_FILES} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/nix/libmain)
 INSTALL(TARGETS nixmain DESTINATION ${CMAKE_INSTALL_LIBDIR})
diff --git a/third_party/nix/src/libmain/nix-main.pc.in b/third_party/nix/src/libmain/nix-main.pc.in
index 37b03dcd42c0..9876a3d1b7ae 100644
--- a/third_party/nix/src/libmain/nix-main.pc.in
+++ b/third_party/nix/src/libmain/nix-main.pc.in
@@ -1,9 +1,9 @@
-prefix=@prefix@
-libdir=@libdir@
-includedir=@includedir@
+prefix=@CMAKE_INSTALL_PREFIX@
+libdir=@CMAKE_INSTALL_FULL_LIBDIR@
+includedir=@CMAKE_INSTALL_FULL_INCLUDEDIR@
 
 Name: Nix
 Description: Nix Package Manager
 Version: @PACKAGE_VERSION@
 Libs: -L${libdir} -lnixmain
-Cflags: -I${includedir}/nix -std=c++17
+Cflags: -I${includedir}/nix