From 5700b867eb2a000a3565c3452d812582196d69fb Mon Sep 17 00:00:00 2001
From: Michael Droettboom <mdboom@gmail.com>
Date: Thu, 28 Apr 2022 11:27:56 -0400
Subject: [PATCH] Dependency checks for cmake (req. by emsdk) and libtool (req.
 by libffi) (#2423)

Earlier errors about these should make building smoother for new contributors.
---
 docs/project/changelog.md | 2 ++
 tools/dependency-check.sh | 8 ++++++++
 2 files changed, 10 insertions(+)

diff --git a/docs/project/changelog.md b/docs/project/changelog.md
index bbcd9d153..2016ae3ec 100644
--- a/docs/project/changelog.md
+++ b/docs/project/changelog.md
@@ -26,6 +26,8 @@ substitutions:
   `pyodide.runPython(code, { globals : some_dict})`;
   {pr}`2391`
 
+- {{ Bugfix }} The build will error out earlier if `cmake` or `libtool` are not installed.
+
 ### Packages
 
 - {{ Enhancement }} Pillow now supports WEBP image format {pr}`2407`.
diff --git a/tools/dependency-check.sh b/tools/dependency-check.sh
index 8997dcbfa..b972bf385 100755
--- a/tools/dependency-check.sh
+++ b/tools/dependency-check.sh
@@ -36,6 +36,14 @@ check_shasum() {
   check_binary_present "shasum"
 }
 
+check_cmake() {
+  check_binary_present "cmake"
+}
+
+check_libtool() {
+  check_binary_present "libtool"
+}
+
 check_fortran_dependencies() {
   check_binary_present "gfortran"
   check_binary_present "f2c"