tweaked README, upgraded sde, fixed a workflow (?)

Author: Nat!

.github/workflows/cmake-errors.yml

@@ -86,8 +86,9 @@ jobs:
       - name: Configure, build and install mulle-core with CMake
         working-directory: /tmp/mulle-core
         run: |
+          export MULLE_SDK_PATH=${{ steps.set-install-dir.outputs.INSTALL_DIR }}
           cmake -B build \
-            -DCMAKE_INSTALL_PREFIX=${{ steps.set-install-dir.outputs.INSTALL_DIR }}; \
+            -DCMAKE_INSTALL_PREFIX=${{ steps.set-install-dir.outputs.INSTALL_DIR }} \
             -DCMAKE_PREFIX_PATH=${{ steps.set-install-dir.outputs.INSTALL_DIR }} \
             -DCMAKE_BUILD_TYPE=Release
           cmake --build build --config Release
@@ -101,8 +102,8 @@ jobs:
       - name: Configure, build and install mulle-atinit with CMake
         working-directory: /tmp/mulle-atinit
         run: |
+          export MULLE_SDK_PATH=${{ steps.set-install-dir.outputs.INSTALL_DIR }}
           cmake -B build \
-            -DMULLE_SDK_PATH=${{ steps.set-install-dir.outputs.INSTALL_DIR }}; \
             -DCMAKE_INSTALL_PREFIX=${{ steps.set-install-dir.outputs.INSTALL_DIR }} \
             -DCMAKE_PREFIX_PATH=${{ steps.set-install-dir.outputs.INSTALL_DIR }} \
             -DCMAKE_BUILD_TYPE=Release
@@ -117,8 +118,8 @@ jobs:
       - name: Configure, build and install mulle-atexit with CMake
         working-directory: /tmp/mulle-atexit
         run: |
+          export MULLE_SDK_PATH=${{ steps.set-install-dir.outputs.INSTALL_DIR }}
           cmake -B build \
-            -DMULLE_SDK_PATH=${{ steps.set-install-dir.outputs.INSTALL_DIR }}; \
             -DCMAKE_INSTALL_PREFIX=${{ steps.set-install-dir.outputs.INSTALL_DIR }} \
             -DCMAKE_PREFIX_PATH=${{ steps.set-install-dir.outputs.INSTALL_DIR }} \
             -DCMAKE_BUILD_TYPE=Release
@@ -136,8 +137,8 @@ jobs:
           
       - name: Generate project files
         run: |
+          export MULLE_SDK_PATH=${{ steps.set-install-dir.outputs.INSTALL_DIR }}
           cmake -S ${{ matrix.src-dir || '.' }} -B ${{ matrix.build-dir || '.' }} ${{ matrix.cmake-args }} \
-            -DMULLE_SDK_PATH=${{ steps.set-install-dir.outputs.INSTALL_DIR }}; \
             -DCMAKE_BUILD_TYPE=${{ matrix.build-config || 'Release' }} \
             -DCMAKE_PREFIX_PATH=${{ steps.set-install-dir.outputs.INSTALL_DIR }}
         env:

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required( VERSION 3.14)
+cmake_minimum_required( VERSION 3.13...99.99)
 
 project( mulle-objc-runtime VERSION 0.26.0 LANGUAGES C)
 

README.md

@@ -190,30 +190,45 @@ target_link_libraries( ${PROJECT_NAME} PUBLIC mulle-core)
 
 ## Install
 
-### Install with mulle-sde
-
 Use [mulle-sde](//github.com/mulle-sde) to build and install mulle-objc-runtime and all dependencies:
 
 ``` sh
 mulle-sde install --prefix /usr/local \
    https://github.com/mulle-objc/mulle-objc-runtime/archive/latest.tar.gz
 ```
 
-### Manual Installation
+### Legacy Installation
+
+
+#### Requirements
+
+Install all requirements
+
+| Requirements                                 | Description
+|----------------------------------------------|-----------------------
+| [mulle-core](https://github.com/mulle-core/mulle-core)             | 🌋 Almagamated library of mulle-core and mulle-c
+| [mulle-atinit](https://github.com/mulle-core/mulle-atinit)             | 🤱🏼 Compatibility library for deterministic initializers
+| [mulle-atexit](https://github.com/mulle-core/mulle-atexit)             | 👼 Compatibility library to fix atexit
 
-Install the [Requirements](#Requirements) and then
-install **mulle-objc-runtime** with [cmake](https://cmake.org):
+#### Download & Install
+
+
+Download the latest [tar](https://github.com/mulle-objc/mulle-objc-runtime/archive/refs/tags/latest.tar.gz) or [zip](https://github.com/mulle-objc/mulle-objc-runtime/archive/refs/tags/latest.zip) archive and unpack it.
+
+Install **mulle-objc-runtime** into `/usr/local` with [cmake](https://cmake.org):
 
 ``` sh
+export MULLE_SDK_PATH="/usr/local" # important!
 cmake -B build \
-      -DCMAKE_INSTALL_PREFIX=/usr/local \
-      -DCMAKE_PREFIX_PATH=/usr/local \
+      -DCMAKE_INSTALL_PREFIX="${MULLE_SDK_PATH}" \
+      -DCMAKE_PREFIX_PATH="${MULLE_SDK_PATH}" \
       -DCMAKE_BUILD_TYPE=Release &&
 cmake --build build --config Release &&
 cmake --install build --config Release
 ```
 
 
+
 ## Author
 
 [Nat!](https://mulle-kybernetik.com/weblog) for Mulle kybernetiK  

cmake/share/CMakeTweaksC.cmake

@@ -40,6 +40,10 @@
 #include <string.h>
 
 
+// no good for the various leak checkers
+#ifdef MULLE_TEST
+//# define MULLE_TEST_STATIC_CACHE_DISCARDS
+#endif
 #pragma mark - cache
 
 
@@ -73,7 +77,8 @@ struct _mulle_objc_cache   *mulle_objc_cache_new( mulle_objc_cache_uint_t size,
 }
 
 
-#ifdef MULLE_TEST
+#ifdef MULLE_TEST_STATIC_CACHE_DISCARDS
+
 struct _mulle_objc_cache   *mulle_objc_discarded_caches[ 0x8000];
 mulle_atomic_pointer_t     n_mulle_objc_discarded_caches;
 
@@ -82,7 +87,7 @@ static void   discard_cache( struct _mulle_objc_cache *cache)
    intptr_t   n;
 
    n = (intptr_t) _mulle_atomic_pointer_increment( &n_mulle_objc_discarded_caches);
-   if( n >= sizeof( mulle_objc_discarded_caches) / sizeof( void *))
+   if( ! n || n >= sizeof( mulle_objc_discarded_caches) / sizeof( void *))
       abort();
    mulle_objc_discarded_caches[ n - 1] = cache;
 }
@@ -97,7 +102,7 @@ void   _mulle_objc_cache_free( struct _mulle_objc_cache *cache,
    assert( allocator);
 
    preserve = errno;
-#ifdef MULLE_TEST
+#ifdef MULLE_TEST_STATIC_CACHE_DISCARDS
    discard_cache( cache);
 #else
    _mulle_allocator_free( allocator, cache);
@@ -114,7 +119,7 @@ void   _mulle_objc_cache_abafree( struct _mulle_objc_cache *cache,
    assert( allocator);
 
    preserve = errno;
-#ifdef MULLE_TEST
+#ifdef MULLE_TEST_STATIC_CACHE_DISCARDS
    discard_cache( cache);
 #else
    _mulle_allocator_abafree( allocator, cache);

cmake/share/Environment.cmake

@@ -1,4 +1,4 @@
-cmake_minimum_required( VERSION 3.14)
+cmake_minimum_required( VERSION 3.13...99.99)
 
 set(CMAKE_C_COMPILER_WORKS 1)
 

src/mulle-objc-cache.c

@@ -1,4 +1,4 @@
-cmake_minimum_required( VERSION 3.14)
+cmake_minimum_required( VERSION 3.13...99.99)
 
 project( inheritance C)