Merge pull request #20 from p12tic/stb-image-symbols-internal-linkage

Use internal linkage for symbols from stb_image.h
BrunoLevy · Sep 24, 2022 · cbc24cd · cbc24cd
2 parents 336a33c + 9c1e160
commit cbc24cd
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/lib/geogram/image/image_serializer_stb.cpp b/src/lib/geogram/image/image_serializer_stb.cpp
@@ -44,6 +44,11 @@
 #define STB_IMAGE_IMPLEMENTATION
 #define STB_IMAGE_WRITE_IMPLEMENTATION
 
+// Use internal linkage for symbols from stb_image as it is a very commonly embedded library.
+// Making these symbols visible  causes duplicate symbol problems if geogram is linked
+// statically together with another library or executable that also embeds stb_image.
+#define STB_IMAGE_STATIC
+
 // [Bruno] I got too many complaints in STB so I "close my eyes" :-)
 #ifdef __GNUC__
 #ifndef __ICC