* Optional image library support
- To build Emacs with support for PNG image, the libpng and zlib
+ To build Emacs with support for PNG images, the libpng and zlib
headers must be in the include path when the configure script is
- run. Likewise, the jpeg headers must be in the include path for
- JPEG support. This can be setup using environment variables, or by
+ run. This can be setup using environment variables, or by
specifying --cflags -I... options on the command-line to
- configure.bat. The configure script will report whether it was able
- to detect the headers.
+ configure.bat. Similarly, the jpeg-6b, libXpm, tiff and libungif
+ headers need to be in the include path for support for those image
+ formats to work. The configure script will report whether it was
+ able to detect the headers.
To use the PNG support, zlib.dll (or zlibd.dll) and libpng.dll (or
libpng13.dll, or libpng13d.dll) must be on the PATH or in the same
- directory as emacs.exe when Emacs is started. For JPEG support,
- jpeg.dll must be on the path or emacs.exe directory.
+ directory as emacs.exe when Emacs is started. Similar instructions
+ apply for other image libraries. Note that tiff support depends on
+ the jpeg library. If you did not compile the libraries yourself, you
+ must make sure that the jpeg library you install is the same one
+ that the tiff library was compiled against.
* Building