[AC_CHECK_LIB(z, gzopen, [LIBS="$LIBS -lz"], LYX_LIB_ERROR(libz,zlib))],
[LYX_LIB_ERROR(zlib.h,zlib)])
+### check for file magic support (currently optional)
+AC_CHECK_HEADERS(magic.h,
+ [AC_CHECK_LIB(magic, magic_open, [LIBS="$LIBS -lmagic"],
+ LYX_WARNING([Cannot find limagic. Please check that the libmagic library
+ is correctly installed on your system.
+ Falling back to builtin file format detection.]))],
+ [LYX_WARNING([Cannot find magic.h. Please check that the libmagic library
+ is correctly installed on your system.
+ Falling back to builtin file format detection.])])
+
### check which frontend we want to use
development/cygwin/lyxrc.dist \
development/lyx.spec \
intl/Makefile \
+ lib/lyx.desktop-temp:lib/lyx.desktop.in
lib/Makefile \
lib/doc/Makefile \
lib/lyx2lyx/lyx2lyx_version.py \