From 88a1011a1de1afd022f115b8a784685dd0e3d53f Mon Sep 17 00:00:00 2001
From: Glenn Van Loon <glenn.vanloon@gmail.com>
Date: Wed, 17 Dec 2025 11:22:26 +0100
Subject: [PATCH 1/3] make clion workaround independent of clang version

---
 cmake/cpprog.cmake | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/cmake/cpprog.cmake b/cmake/cpprog.cmake
index 1a35398..0b79e99 100644
--- a/cmake/cpprog.cmake
+++ b/cmake/cpprog.cmake
@@ -65,7 +65,8 @@ endfunction()
 function(_cpprog_clion_clangd_workaround)
     if($ENV{CLION_IDE})
         message(STATUS "[cpprog] Detected clion, applying workaround for module std.")
-        set(cpprog_LIBCXX_DIR "/usr/lib/llvm-20/share/libc++/v1")
+        set(cpprog_LIBCXX_DIR "../../../share/libc++/v1")
+        cmake_path(ABSOLUTE_PATH cpprog_LIBCXX_DIR BASE_DIRECTORY "${CMAKE_CXX_COMPILER_CLANG_RESOURCE_DIR}" NORMALIZE)
         if(NOT EXISTS "${cpprog_LIBCXX_DIR}")
             message(FATAL_ERROR "[cpprog] libc++ not found at ${cpprog_LIBCXX_DIR}")
         endif()

From d525f0698c3ef98bcc848b6b245ef400dc784a6a Mon Sep 17 00:00:00 2001
From: Glenn Van Loon <glenn.vanloon@gmail.com>
Date: Wed, 17 Dec 2025 11:30:50 +0100
Subject: [PATCH 2/3] check if compiler is supported

---
 cmake/cpprog.cmake | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/cmake/cpprog.cmake b/cmake/cpprog.cmake
index 0b79e99..7bc79d9 100644
--- a/cmake/cpprog.cmake
+++ b/cmake/cpprog.cmake
@@ -10,6 +10,7 @@ macro(cpprog_init)
 endmacro()
 
 macro(cpprog_configure_project)
+    _cpprog_check_compiler_supported()
     _cpprog_clion_clangd_workaround()
     _cpprog_enable_testing()
 endmacro()
@@ -62,6 +63,12 @@ function(_cpprog_generate_debuginit)
     configure_file("${CMAKE_SOURCE_DIR}/lldbinit.in" "${CMAKE_SOURCE_DIR}/.lldbinit")
 endfunction()
 
+function(_cpprog_check_compiler_supported)
+    if(NOT CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+        message(FATAL_ERROR "Compiler ${CMAKE_CXX_COMPILER_ID} is not supported!")
+    endif()
+endfunction()
+
 function(_cpprog_clion_clangd_workaround)
     if($ENV{CLION_IDE})
         message(STATUS "[cpprog] Detected clion, applying workaround for module std.")

From 414bba10122843d5247c80c074442fc8c421a66d Mon Sep 17 00:00:00 2001
From: Glenn Van Loon <glenn.vanloon@gmail.com>
Date: Wed, 17 Dec 2025 14:11:49 +0100
Subject: [PATCH 3/3] fix heading

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 7904838..46164b2 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 
 Basic C and C++ devcontainer with cmake, compiler warnings, clang-tidy and clang-format.
 
-## Installed tools
+### Installed tools
 
 * ccache
 * clang