From dd98022ecacdf2421357215ce9f0e2f317924038 Mon Sep 17 00:00:00 2001
From: itsjunetime <junewelker@gmail.com>
Date: Sat, 27 Jun 2026 15:35:06 -0500
Subject: [PATCH] Maybe link correct msvcrt on debug vs non-debug?

---
 Cargo.lock |  6 ++++--
 Cargo.toml |  2 +-
 build.rs   | 14 ++++++++++++++
 3 files changed, 19 insertions(+), 3 deletions(-)
 create mode 100644 build.rs

diff --git a/Cargo.lock b/Cargo.lock
index 715eedd..780a6ee 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1624,7 +1624,8 @@ checksum = "b6d2cec3eae94f9f509c767b45932f1ada8350c4bdb85af2fcab4a3c14807981"
 [[package]]
 name = "libmimalloc-sys"
 version = "0.1.49"
-source = "git+https://github.com/itsjunetime/mimalloc_rust.git?rev=3b0dda87caa5fbf4df1f60063a32b1462ddb5a85#3b0dda87caa5fbf4df1f60063a32b1462ddb5a85"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a45a52f43e1c16f667ccfe4dd8c85b7f7c204fd5e3bf46c5b0db9a5c3c0b8e9"
 dependencies = [
  "cc",
 ]
@@ -1750,7 +1751,8 @@ dependencies = [
 [[package]]
 name = "mimalloc"
 version = "0.1.52"
-source = "git+https://github.com/itsjunetime/mimalloc_rust.git?rev=3b0dda87caa5fbf4df1f60063a32b1462ddb5a85#3b0dda87caa5fbf4df1f60063a32b1462ddb5a85"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2d4139bb28d14ad1facf21d5eb8825051b326e172d216b39f6d31df53cc97862"
 dependencies = [
  "libmimalloc-sys",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 0d751a6..04903cf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -31,7 +31,7 @@ tokio = { version = "1.37.0", features = ["rt-multi-thread", "macros"] }
 futures-util = { version = "0.3.30", default-features = false }
 flume = { version = "0.12.0", default-features = false, features = ["async"] }
 xflags = "0.4.0-pre.2"
-mimalloc = { git = "https://github.com/itsjunetime/mimalloc_rust.git", rev = "3b0dda87caa5fbf4df1f60063a32b1462ddb5a85", features = [ "debug_in_debug" ] }
+mimalloc = { version = "0.1", features = [ "debug_in_debug" ] }
 nix = { version = "0.31.0", features = ["signal"] }
 mupdf = { git = "https://github.com/messense/mupdf-rs.git", rev = "d7441b9998c92135e329559c0aa71d9dc92cf4de", default-features = false, features = ["svg", "system-fonts", "img"] }
 rayon = { version = "1", default-features = false }
diff --git a/build.rs b/build.rs
new file mode 100644
index 0000000..b36305d
--- /dev/null
+++ b/build.rs
@@ -0,0 +1,14 @@
+// Working around https://github.com/purpleprotocol/mimalloc_rust/pull/167 while all the cc, rust,
+// msvc, etc stuff is still being worked on. Kinda unfortunate that we need a build.rs for all
+// targets, but at least it should be quick.
+
+fn main() {
+	if std::env::var("TARGET").is_ok_and(|s| s.contains("windows-msvc"))
+		&& std::env::var("PROFILE").is_ok_and(|p| p == "debug")
+	{
+		// Don't link the default CRT
+		println!("cargo::rustc-link-arg=/nodefaultlib:msvcrt");
+		// Link the debug CRT instead
+		println!("cargo::rustc-link-arg=/defaultlib:msvcrtd");
+	}
+}