From 5fc4189cfdf68dcab59823cba9d89a567e8f6e30 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Wed, 12 Aug 2026 10:12:47 +0530
Subject: [PATCH] Autodetect bundled slangc when from from a dev.sh build

---
 kitty/constants.py        | 7 +++++--
 kitty/data-types.c        | 4 ++++
 kitty/fast_data_types.pyi | 1 +
 setup.py                  | 1 +
 4 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/kitty/constants.py b/kitty/constants.py
index 9df1783df..86862874f 100644
--- a/kitty/constants.py
+++ b/kitty/constants.py
@@ -41,9 +41,12 @@ _slangc: tuple[str, ...] = ()
 def slangc() -> tuple[str, ...]:
     global _slangc
     if not _slangc:
-        from kitty.fast_data_types import Shlex
+        from kitty.fast_data_types import DEVELOP_ROOT, Shlex
 
-        _slangc = tuple(Shlex(os.environ.get('SLANGC', 'slangc'), False))
+        if DEVELOP_ROOT:
+            _slangc = (os.path.join(DEVELOP_ROOT, 'bin', 'slangc'),)
+        else:
+            _slangc = tuple(Shlex(os.environ.get('SLANGC', 'slangc'), False))
     return _slangc
 
 
diff --git a/kitty/data-types.c b/kitty/data-types.c
index 896564d19..174c87be1 100644
--- a/kitty/data-types.c
+++ b/kitty/data-types.c
@@ -1022,6 +1022,10 @@ PyInit_fast_data_types(void) {
 #ifdef KITTY_VCS_REV
     PyModule_AddStringMacro(m, KITTY_VCS_REV);
 #endif
+#ifndef DEVELOP_ROOT
+#define DEVELOP_ROOT ""
+#endif
+    PyModule_AddStringMacro(m, DEVELOP_ROOT);
     PyModule_AddIntMacro(m, CURSOR_BLOCK);
     PyModule_AddIntMacro(m, CURSOR_BEAM);
     PyModule_AddIntMacro(m, CURSOR_UNDERLINE);
diff --git a/kitty/fast_data_types.pyi b/kitty/fast_data_types.pyi
index 1a59adb97..386e4f773 100644
--- a/kitty/fast_data_types.pyi
+++ b/kitty/fast_data_types.pyi
@@ -15,6 +15,7 @@ from kitty.typing_compat import EdgeLiteral, NotRequired, ReadableBuffer, Writea
 # Constants {{{
 SCALE_BITS: int
 NULL_COLOR_VALUE: int
+DEVELOP_ROOT: str
 WIDTH_BITS: int
 SUBSCALE_BITS: int
 COLOR_IS_SPECIAL: int
diff --git a/setup.py b/setup.py
index 525927b60..0aa9e7b79 100755
--- a/setup.py
+++ b/setup.py
@@ -703,6 +703,7 @@ def init_env(
 
     if os.environ.get('DEVELOP_ROOT'):
         cflags.insert(0, f'-I{os.environ["DEVELOP_ROOT"]}/include')
+        cflags.insert(0, f'-DDEVELOP_ROOT="{os.environ["DEVELOP_ROOT"]}"')
         ldpaths.insert(0, f'-L{os.environ["DEVELOP_ROOT"]}/lib')
 
     if building_arch: