FIX: issues ShiqiYu#222

KangLin · Mar 24, 2020 · b8b5a33 · b8b5a33
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commit b8b5a33
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diff --git a/README.md b/README.md
@@ -24,6 +24,7 @@ Some tips:
   * Please add -O3 to turn on optimizations when you compile the source code using g++.
   * Please choose 'Maximize Speed/-O2' when you compile the source code using Microsoft Visual Studio.
   * You can enable OpenMP to speedup. But the best solution is to call the detection function in different threads.
+  * Add -DFACEDETECTION_EXPORT to gcc flags. See: issues #222
 
 You can also compile the source code to a static or dynamic library, and then use it in your project.