minilibx nixos

README.md

Add nixos package

• copy minilibx.nix to ~/.config/nixpkgs/minilibx.nix

curl https://gist.githubusercontent.com/DeltaEvo/9dbfedaa23f77b2afb8150dc97fdda3d/raw/06b948a696ee5b717dc27231d0adf48d29d7cf71/minilibx.nix > ~/.config/nixpkgs/minilibx.nix

• download minilibx patch

curl https://gist.githubusercontent.com/DeltaEvo/9dbfedaa23f77b2afb8150dc97fdda3d/raw/06b948a696ee5b717dc27231d0adf48d29d7cf71/disable_xshm.patch > ~/.config/nixpkgs/disable_xshm.patch

• add it into your packageOverrides (~/.config/nixpkgs/config.nix)

  packageOverrides = pkgs: rec {
    minilibx = pkgs.callPackage ./minilibx.nix {};
  };

Compile your project

• launch a nix-shell with minilibx and it's dependencies

nix-shell -p gnumake minilibx xorg.libX11 xorg.libXext

• link your binary with -lmlx -lX11 -lXext
• enjoy 😄

disable_xshm.patch

diff --git a/mlx_init.c b/mlx_init.c
index 7a8db8f..66cdf1b 100644
--- a/mlx_init.c
+++ b/mlx_init.c
@@ -49,24 +49,8 @@ void		*mlx_init()
 
 int	mlx_int_deal_shm(t_xvar *xvar)
 {
-  int	use_pshm;
-  int	bidon;
-  char	*dpy;
-  char	buff[33];
-
-  xvar->use_xshm = XShmQueryVersion(xvar->display,&bidon,&bidon,&(use_pshm));
-  if (xvar->use_xshm && use_pshm)
-    xvar->pshm_format = XShmPixmapFormat(xvar->display);
-  else
-    xvar->pshm_format = -1;
-  gethostname(buff,32);
-  dpy = getenv(ENV_DISPLAY);
-  if (dpy && strlen(dpy) && *dpy!=':' && strncmp(dpy,buff,strlen(buff)) &&
-      strncmp(dpy,LOCALHOST,strlen(LOCALHOST)) )
-    {
-      xvar->pshm_format = -1;
-      xvar->use_xshm = 0;
-    }
+  xvar->pshm_format = -1;
+  xvar->use_xshm = 0;
 }
 
 /*

minilibx.nix

{ stdenv, fetchurl, pkgconfig, libX11, libXext }:

stdenv.mkDerivation rec {
	name = "minilibx-${version}";
	version = "0.42";

	src = fetchurl {
		url = "https://projects.intra.42.fr/uploads/document/document/7/sources.tgz";
		sha256 = "1lwa9n1jrp2r157bls8vq5xblqs2dx2nhj0yly7p2jzz7mwk3njw";
	};

	nativeBuildInputs = [ pkgconfig libX11 libXext ];
	
	patches = [ ./disable_xshm.patch ];

	configurePhase = ''
		echo "INC=. \''${shell pkg-config --cflags x11 xext}" > Makefile
		cat Makefile.mk | grep -v %%%% >> Makefile
		cat Makefile
	'';

	installPhase = ''
		mkdir -p $out/include
		mkdir -p $out/lib
		install -m 644 libmlx.a $out/lib
		install -m 644 mlx.h $out/include
	'';
}