CMake: link libstdc++fs for GCC <9.0

2026-10-17 07:31:35 +02:00 · 2026-09-02 15:51:28 -05:00
parent 454075bc61
commit a16ef4cd80
1 changed files with 6 additions and 0 deletions
@@ -977,6 +977,12 @@ endif()

 list(APPEND EXTRA_LIBRARIES ${CMAKE_DL_LIBS})

+# GCC 8.x and earlier require explicit linking for std::filesystem
+# See: https://gitlab.kitware.com/cmake/cmake/-/work_items/17834
+if ((CMAKE_CXX_COMPILER_ID STREQUAL "GNU") AND (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 9.0))
+  list(APPEND EXTRA_LIBRARIES "stdc++fs")
+endif()
+
 if(NOT OPENBSD)
  option(USE_READLINE "Build with GNU readline support." ON)
 endif()