Add in a library prefix for lz4 from conda on Windows. (#1846)

* Add in a library prefix for lz4 from conda on Windows. The comment explains why we need to do this. Signed-off-by: Chris Lalancette <[email protected]>
ros2 · Oct 30, 2024 · ee7f68a · ee7f68a
1 parent 786c3c4
commit ee7f68a
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/liblz4_vendor/cmake/Modules/Findlz4.cmake b/liblz4_vendor/cmake/Modules/Findlz4.cmake
@@ -4,6 +4,13 @@ if(NOT lz4_ROOT_DIR AND DEFINED ENV{lz4_ROOT_DIR})
       "lz4 base directory location (optional, used for nonstandard installation paths)")
 endif()
 
+# When using lz4 from conda on Windows, and cmake before 3.29.0,
+# we need to add the library prefix "lib" so that the library can
+# be successfully found.
+if(MSVC AND CMAKE_VERSION VERSION_LESS "3.29.0")
+  set(CMAKE_FIND_LIBRARY_PREFIXES "" "lib")
+endif()
+
 # Search path for nonstandard package locations
 if(lz4_ROOT_DIR)
   set(lz4_INCLUDE_PATH PATHS "${lz4_ROOT_DIR}/include" NO_DEFAULT_PATH)