- In 8 bit color game, the hack crashed the app.
- After backing out the hack, I can play 256 color game with displaycolordepth 8.
- By default, the displaycolordepth is 0.
Signed-off-by: Ricky Zhang <rickyzhang@gmail.com>
By default, without providing `with-sdl2` in configure it uses SDL1.
Users need to explicitly request SDL2.
Signed-off-by: Ricky Zhang <rickyzhang@gmail.com>
The old code used the `[[` shell keyword, which is only available in bash.
The interpreter in line 1 is `/bin/sh` though.
This confused my shell portability check in pkgsrc, since that check neither guesses the target platform from the filename, nor assumes that `/bin/sh` is actually bash, even though this may be true on macOS.
The change makes the code shorter with the well-known `${var:-default}` pattern.
Since `$1` is now only accessed when it is defined, this allows the program to have a `set -eu` at the top.
This in turn would make all the `&&` redundant since it applies automatic error checking.
The `{ ... } 1>&2` could also be replaced with a single `exec 1>&2` at the top.
Both of these systems have /dev/ptmx for creating pseudoterminals.
OS X Leopard (10.5) added it in 2007, and Linux has had support for
it since v2.1 (1998).
This fixes a bug with pseudoterminal creation on Linux and macOS
where a new pseudoterminal cannot be created because the wrong
method is being used to find one.
With this fix I can compile with ./configure --enable-addressing=direct,0x100000
and then I don't need to change vm.mmap_min_addr and hence without root
privileges
This is no longer necessary as of glibc 2.2 (released in November 2000),
and it causes breakage when /usr/include/linux is installed using a
symlink-based system like stow.
Linking with -lvdeplug without checking whether it exists causes
failures from later configure tests; this makes it an optional
dependency in the same way as other libraries.
