Prevent target redefine.

stuart6854 · Nov 30, 2023 · 5095ca5 · 5095ca5
1 parent 3c74c1e
commit 5095ca5
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Showing 2 changed files with 7 additions and 3 deletions.
diff --git a/extern/CMakeLists.txt b/extern/CMakeLists.txt
@@ -16,5 +16,7 @@ option(SHADERC_ENABLE_SHARED_CRT "Use the shared CRT instead of the static CRT"
 add_subdirectory(shaderc)
 
 # FmtLib
-option(FMT_INSTALL "Generate the install target." OFF)
-add_subdirectory(fmt)
+if (NOT TARGET fmt)
+    option(FMT_INSTALL "Generate the install target." OFF)
+    add_subdirectory(fmt)
+endif ()
diff --git a/samples/extern/CMakeLists.txt b/samples/extern/CMakeLists.txt
@@ -18,7 +18,9 @@ add_subdirectory(sdl2)
 set_property(TARGET SDL2-static PROPERTY FOLDER "ThirdParty")
 
 # GLM
-add_subdirectory(glm)
+if (NOT TARGET glm)
+    add_subdirectory(glm)
+endif ()
 
 #stb
 add_subdirectory(stb)