Reduce duplication in third party CMakeLists.txt

diff --git a/src/third_party/CMakeLists.txt b/src/third_party/CMakeLists.txt
index 6b0e605357e7107fae932bcbce512b5335bcaf8a..d4876cdaa9ef3caa56a04720d689039d62e0f7b7 100644 (file)
--- a/src/third_party/CMakeLists.txt
+++ b/src/third_party/CMakeLists.txt
@@ -1,11 +1,14 @@
+set(third_party_source_files format.cpp xxhash.c)
+
 if(NOT MSVC)
-  add_library(third_party_lib STATIC format.cpp getopt_long.c xxhash.c)
+  list(APPEND third_party_source_files getopt_long.c)
 else()
-  add_library(third_party_lib STATIC format.cpp win32/getopt.c xxhash.c)
-
+  list(APPEND third_party_source_files win32/getopt.c)
   target_compile_definitions(third_party_lib PUBLIC -DSTATIC_GETOPT)
 endif()
 
+add_library(third_party_lib STATIC ${third_party_source_files})
+
 if(ENABLE_TRACING)
   target_sources(third_party_lib PRIVATE minitrace.c)
 endif()