diff options
Diffstat (limited to 'converter/other/pnmtopng.c')
| -rw-r--r-- | converter/other/pnmtopng.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/converter/other/pnmtopng.c b/converter/other/pnmtopng.c index 5fc0326b..ed074777 100644 --- a/converter/other/pnmtopng.c +++ b/converter/other/pnmtopng.c @@ -69,6 +69,13 @@ #include "nstring.h" #include "version.h" +#if PNG_LIBPNG_VER >= 10400 +#error Your PNG library (<png.h>) is incompatible with this Netpbm source code. +#error You need either an older PNG library (older than 1.4) +#error newer Netpbm source code (at least 10.48) +#endif + + struct zlibCompression { /* These are parameters that describe a form of zlib compression. Values have the same meaning as the similarly named arguments to |