From 9b4cbc6ba3f8059278a20a4893780717851ce8e4 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Tue, 21 Apr 2026 13:06:35 +0200
Subject: build: clean up configuration

---
 libs/kstd/CMakeLists.txt | 97 ++++++++++++++++++++++++++++++++++++------------
 1 file changed, 73 insertions(+), 24 deletions(-)

(limited to 'libs/kstd/CMakeLists.txt')

diff --git a/libs/kstd/CMakeLists.txt b/libs/kstd/CMakeLists.txt
index ced3138..ee84ff1 100644
--- a/libs/kstd/CMakeLists.txt
+++ b/libs/kstd/CMakeLists.txt
@@ -1,30 +1,52 @@
-add_library("kstd" STATIC)
-add_library("libs::kstd" ALIAS "kstd")
+cmake_minimum_required(VERSION "3.27.0")
 
-if(CMAKE_CROSSCOMPILING)
-    set(KSTD_LIBC_SYMBOLS
-        "abort"
-        "strlen"
-        "memcmp"
-        "memcpy"
-    )
+project("kstd"
+  DESCRIPTION "A kernel STL implementation"
+  VERSION "0.0.1"
+  LANGUAGES CXX
+)
 
-    set(KSTD_LIBC_SOURCES
-        "src/libc/stdlib.cpp"
-        "src/libc/string.cpp"
-    )
+include("CTest")
+
+#[============================================================================[
+# External Dependencies
+#]============================================================================]
+
+include("FetchContent")
+
+if (BUILD_TESTING)
+  FetchContent_Declare(
+    "Catch2"
+    URL "https://github.com/catchorg/Catch2/archive/refs/tags/v3.7.1.tar.gz"
+    URL_HASH "SHA256=c991b247a1a0d7bb9c39aa35faf0fe9e19764213f28ffba3109388e62ee0269c"
+    EXCLUDE_FROM_ALL
+    FIND_PACKAGE_ARGS
+  )
+
+  FetchContent_MakeAvailable("Catch2")
+
+  find_package("Catch2")
+  include("Catch")
 endif()
 
-target_sources("kstd" PRIVATE
-    ${KSTD_LIBC_SOURCES}
+#[============================================================================[
+# Library
+#]============================================================================]
 
-    "src/os/error.cpp"
+add_library("kstd" STATIC)
+add_library("kstd::lib" ALIAS "kstd")
 
+target_sources("kstd" PRIVATE
+    "src/os/error.cpp"
     "src/mutex.cpp"
     "src/vformat.cpp"
 )
 
-file(GLOB_RECURSE KSTD_HEADERS RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} "include/kstd/*")
+file(GLOB_RECURSE KSTD_HEADERS
+    RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}
+    CONFIGURE_DEPENDS
+    "include/kstd/*"
+)
 
 target_sources("kstd" PUBLIC
     FILE_SET HEADERS
@@ -37,12 +59,37 @@ target_include_directories("kstd" PUBLIC
     "include"
 )
 
-if(CMAKE_CROSSCOMPILING)
+set_target_properties("kstd" PROPERTIES
+    VERIFY_INTERFACE_HEADER_SETS YES
+)
+
+if(NOT BUILD_TESTING)
+    target_sources("kstd" PRIVATE
+        "src/libc/stdlib.cpp"
+        "src/libc/string.cpp"
+    )
+
+    set(KSTD_LIBC_SYMBOLS
+        "abort"
+        "strlen"
+        "memcmp"
+        "memcpy"
+    )
+
     list(TRANSFORM KSTD_LIBC_SYMBOLS PREPEND "-Wl,--undefined=")
 
     target_link_options("kstd" INTERFACE ${KSTD_LIBC_SYMBOLS})
-else()
-    add_executable("kstd_tests"
+endif()
+
+#[============================================================================[
+# Tests
+#]============================================================================]
+
+if(BUILD_TESTING)
+    add_executable("kstd_tests")
+    add_executable("kstd::tests" ALIAS "kstd_tests")
+
+    target_sources("kstd_tests" PRIVATE
         "tests/src/flat_map.cpp"
         "tests/src/format.cpp"
         "tests/src/vector.cpp"
@@ -57,7 +104,7 @@ else()
 
     target_link_libraries("kstd_tests" PRIVATE 
         "Catch2::Catch2WithMain"
-        "libs::kstd"
+        "kstd::lib"
     )
 
     set_target_properties("kstd_tests" PROPERTIES
@@ -66,8 +113,10 @@ else()
         EXCLUDE_FROM_ALL NO
     )
 
-    enable_coverage("kstd")
-    enable_coverage("kstd_tests")
+    if(COMMAND "enable_coverage")
+        enable_coverage("kstd")
+        enable_coverage("kstd_tests")
+    endif()
 
-    catch_discover_tests("kstd_tests")
+    catch_discover_tests("kstd::tests")
 endif()
\ No newline at end of file
-- 
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