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-rw-r--r--Library/Formula/opencv.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/Library/Formula/opencv.rb b/Library/Formula/opencv.rb
index ae07d8965..42fd4ff60 100644
--- a/Library/Formula/opencv.rb
+++ b/Library/Formula/opencv.rb
@@ -26,6 +26,7 @@ class Opencv < Formula
depends_on 'jasper' => :optional
depends_on 'tbb' => :optional
depends_on 'qt' if build.include? 'with-qt'
+ depends_on :libpng
# Can also depend on ffmpeg, but this pulls in a lot of extra stuff that
# you don't need unless you're doing video analysis, and some of it isn't