From 06e2392816cf935658547c18b89d8bf18054a2e1 Mon Sep 17 00:00:00 2001
From: torque <torque@epicyclic.dev>
Date: Sun, 12 May 2024 16:03:39 -0700
Subject: [PATCH] update for zig-0.12.0

---
 cmark.build.zig | 6 ++++--
 src/cmark.zig   | 2 +-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/cmark.build.zig b/cmark.build.zig
index 3b610b1..4173ff7 100644
--- a/cmark.build.zig
+++ b/cmark.build.zig
@@ -27,6 +27,7 @@ pub fn cmark_lib(
 
     const config_h = b.addConfigHeader(.{
         .style = .{ .cmake = .{ .path = cmark_src_prefix ++ "config.h.in" } },
+        .include_path = "config.h",
     }, .{
         .HAVE_STDBOOL_H = void{},
         .HAVE___ATTRIBUTE__ = void{},
@@ -35,6 +36,7 @@ pub fn cmark_lib(
 
     const cmark_version_h = b.addConfigHeader(.{
         .style = .{ .cmake = .{ .path = cmark_src_prefix ++ "cmark_version.h.in" } },
+        .include_path = "cmark_version.h",
     }, .{
         .PROJECT_VERSION_MAJOR = 0,
         .PROJECT_VERSION_MINOR = 30,
@@ -44,10 +46,10 @@ pub fn cmark_lib(
     lib.addConfigHeader(config_h);
     lib.addConfigHeader(cmark_version_h);
     lib.addIncludePath(.{ .path = cmark_zig_prefix });
-    lib.installConfigHeader(cmark_version_h, .{ .dest_rel_path = "cmark_version.h" });
+    lib.installConfigHeader(cmark_version_h);
 
     inline for (install_headers) |header| {
-        lib.installHeader(header.base_dir ++ header.name, header.name);
+        lib.installHeader(b.path(header.base_dir ++ header.name), header.name);
     }
 
     b.installArtifact(lib);
diff --git a/src/cmark.zig b/src/cmark.zig
index 7eac3e1..5bbb651 100644
--- a/src/cmark.zig
+++ b/src/cmark.zig
@@ -102,7 +102,7 @@ const AllocHeader = extern struct {
     }
 
     inline fn fromTipPointer(tip: *u8) *AllocHeader {
-        return @fieldParentPtr(AllocHeader, "tip", tip);
+        return @alignCast(@fieldParentPtr("tip", tip));
     }
 
     inline fn fullAllocFromTip(tip: *anyopaque) align(@alignOf(AllocHeader)) []u8 {