From 771c96ccee164a7a774c4ea18bab4716f90a47d8 Mon Sep 17 00:00:00 2001
From: Diego Dassie <diego.dassie@texa.com>
Date: Fri, 16 Jun 2023 17:46:55 +0200
Subject: [PATCH] fix: Don't fail to set warnings when only using the C
 language.

---
 src/CompilerWarnings.cmake | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/CompilerWarnings.cmake b/src/CompilerWarnings.cmake
index 6ba0e3bc..25caabc2 100644
--- a/src/CompilerWarnings.cmake
+++ b/src/CompilerWarnings.cmake
@@ -99,12 +99,12 @@ function(
 
   if(MSVC)
     set(PROJECT_WARNINGS_CXX ${MSVC_WARNINGS})
-  elseif(CMAKE_CXX_COMPILER_ID MATCHES ".*Clang")
+  elseif(CMAKE_CXX_COMPILER_ID MATCHES ".*Clang" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang")
     set(PROJECT_WARNINGS_CXX ${CLANG_WARNINGS})
-  elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+  elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_C_COMPILER_ID STREQUAL "GNU")
     set(PROJECT_WARNINGS_CXX ${GCC_WARNINGS})
   else()
-    message(AUTHOR_WARNING "No compiler warnings set for CXX compiler: '${CMAKE_CXX_COMPILER_ID}'")
+    message(AUTHOR_WARNING "No compiler warnings set for CXX/C compiler: '${CMAKE_CXX_COMPILER_ID}/${CMAKE_C_COMPILER_ID}'")
     # TODO support Intel compiler
   endif()