build: detect and work around broken cmake_path (#102)

Thanks @Steveice10
abdes · Oct 4, 2023 · b4d3060 · b4d3060
1 parent f815f62
commit b4d3060
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/cryptopp/CMakeLists.txt b/cryptopp/CMakeLists.txt
@@ -1376,6 +1376,10 @@ target_compile_definitions(
  $<INSTALL_INTERFACE:CRYPTOPP_INCLUDE_PREFIX=${CRYPTOPP_INCLUDE_PREFIX}>
 )
 cmake_path(GET cryptopp_SOURCE_DIR PARENT_PATH CRYPTOPP_PREFIXED_INCLUDE_DIR)
+if (cryptopp_SOURCE_DIR STREQUAL CRYPTOPP_PREFIXED_INCLUDE_DIR)
+ # Work around a CMake bug when built using certain toolchains, where cmake_path returns the same path.
+ get_filename_component(CRYPTOPP_PREFIXED_INCLUDE_DIR "${cryptopp_SOURCE_DIR}" DIRECTORY)
+endif()
 target_include_directories(
  cryptopp
  PUBLIC