From 8210378510b92f8ec224c6adcda3ecc77625f1a0 Mon Sep 17 00:00:00 2001
From: Tom Smeding <tom@tomsmeding.com>
Date: Tue, 15 Apr 2025 17:18:18 +0200
Subject: arith: Don't use C23 features

---
 ox-arrays.cabal | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'ox-arrays.cabal')

diff --git a/ox-arrays.cabal b/ox-arrays.cabal
index ecd3ba7..39a2782 100644
--- a/ox-arrays.cabal
+++ b/ox-arrays.cabal
@@ -27,6 +27,13 @@ flag nonportable-simd
   default: False
   manual: True
 
+flag pedantic-c-warnings
+  description:
+    Compile embedded C code with a high warning level. Only useful for
+    ox-arrays developers.
+  default: False
+  manual: True
+
 library
   exposed-modules:
     Data.Array.Mixed.Internal.Arith
@@ -82,7 +89,9 @@ library strided-array-ops
   hs-source-dirs: ops
   c-sources: cbits/arith.c
 
-  cc-options: -O3 -Wall -Wextra -std=c99
+  cc-options: -O3 -std=c11
+  if flag(pedantic-c-warnings)
+    cc-options: -Wall -Wextra -pedantic
   if flag(nonportable-simd)
     cc-options: -march=native
   elif arch(x86_64) || arch(i386)
-- 
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