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-rwxr-xr-xconfigure.ac3
1 files changed, 3 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 4c63e860..c4b98519 100755
--- a/configure.ac
+++ b/configure.ac
@@ -43,6 +43,9 @@ AC_MSG_ERROR([ *** Unable to find SDL_mixer library
AC_CHECK_LIB(SDL_net, SDLNet_Init, ,
AC_MSG_ERROR([ *** Unable to find SDL_net library]))
+AC_CHECK_LIB(png, png_write_info, ,
+ACMSG_ERROR([ ** Unable to find png library]))
+
# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([arpa/inet.h fcntl.h malloc.h netdb.h netinet/in.h stdlib.h string.h sys/socket.h unistd.h])