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-rw-r--r--configure.in5
1 files changed, 5 insertions, 0 deletions
diff --git a/configure.in b/configure.in
index 1b3445e..8d5700a 100644
--- a/configure.in
+++ b/configure.in
@@ -255,6 +255,11 @@ dnl ======================
PKG_CHECK_MODULES(SNDFILE, sndfile >= 1.0.21)
dnl ======================
+dnl Check for sndfile
+dnl ======================
+PKG_CHECK_MODULES(PNG, libpng >= 1.5)
+
+dnl ======================
dnl Check for the pthread library
dnl ======================
tmp_CXXFLAGS="$CXXFLAGS"