From f7d8be0478cb9fa802305dbcf5afb82f23539ed7 Mon Sep 17 00:00:00 2001
From: Mark Adler <git@madler.net>
Date: Sat, 7 Feb 2026 22:29:42 -0800
Subject: Add a test to configure to check for a working compiler.

---
 configure | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'configure')

diff --git a/configure b/configure
index e183abb7..daa4aa73 100755
--- a/configure
+++ b/configure
@@ -476,6 +476,13 @@ tryboth()
 cat > $test.c << EOF
 int foo() { return 0; }
 EOF
+echo "Checking for compiler..." >> configure.log
+if try $CC -c $test.c; then
+  :
+else
+  echo "Missing or broken C compiler." | tee -a configure.log
+  leave 1
+fi
 echo "Checking for obsessive-compulsive compiler options..." >> configure.log
 if try $CC -c $CFLAGS $test.c; then
   :
-- 
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