wip: packaging + scripts before archive into OpenKKnD

packaging/cmake/linux.cmake

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+# Konfiguration für Linux (GCC/G++)
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_C_STANDARD_REQUIRED ON)
+
+# Hier könnten spezifische Compiler-Flags für Linux hinzugefügt werden, z.B. für spezifische Bibliotheken
+# set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -std=c11")
+
+message(STATUS "Configured CMake for Linux (GCC)")

packaging/cmake/macos.cmake

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+# Konfiguration für macOS (Clang)
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_C_STANDARD_REQUIRED ON)
+
+# Hier werden spezifische Compiler-Flags für macOS/Clang hinzugefügt.
+# z.B. für bestimmte Apple-APIs oder spezifische Optimierungen.
+# set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -std=c11 -mmacosx-version=13.0")
+
+message(STATUS "Configured CMake for macOS (Clang)")

packaging/dragonfly/README.md

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+# DragonFly BSD
+
+Use the FreeBSD-style port under `../freebsd` as a starting point, or pkgsrc.
+Document DPorts differences when a public distfile exists.

packaging/freebsd/Makefile

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+PORTNAME=	openkknd
+DISTVERSION=	0.1.0
+CATEGORIES=	games
+MAINTAINER=	ports@FreeBSD.org
+COMMENT=	Original post-apoc RTS (portable C, SDL2)
+LICENSE=	MIT
+
+USES=		cmake sdl
+USE_SDL=	sdl2
+
+.include <bsd.port.mk>

packaging/linux-static/README.md

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+# GNU/Linux static-ish build
+
+Prefer a mostly static binary when distro matrix is large:
+
+```bash
+cmake -S . -B build-static -DCMAKE_BUILD_TYPE=Release \
+  -DCMAKE_EXE_LINKER_FLAGS="-static-libgcc"
+cmake --build build-static -j
+```
+
+Full static SDL2 is painful; document dynamic SDL2 `.so` + rpath as interim.
+Ship AppImage later if needed.

packaging/openbsd/Makefile

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+COMMENT =	original post-apoc RTS (portable C, SDL2)
+DISTNAME =	openkknd-0.1.0
+CATEGORIES =	games
+HOMEPAGE =	https://localhost/openkknd
+# OpenBSD port skeleton — fill MASTER_SITES when released
+PERMIT_PACKAGE =	Yes
+WANTLIB =		c SDL2
+MODULES =		devel/cmake
+LIB_DEPENDS =		devel/sdl2
+.include <bsd.port.mk>

packaging/pkgsrc/Makefile

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+# $NetBSD$
+# OpenKKND — pkgsrc skeleton (NetBSD and pkgsrc on other OS)
+DISTNAME=	openkknd-0.1.0
+CATEGORIES=	games
+MASTER_SITES=	# local / github later
+MAINTAINER=	pkgsrc-users@NetBSD.org
+HOMEPAGE=	https://localhost/openkknd
+COMMENT=	Original post-apoc RTS (portable C, SDL2)
+LICENSE=	mit
+
+USE_LANGUAGES=	c11
+USE_CMAKE=	yes
+.include "../../devel/cmake/build.mk"
+.include "../../devel/SDL2/buildlink3.mk"
+.include "../../mk/bsd.pkg.mk"

packaging/windows-msi/README.md

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+# Windows MSI (7 / 8 / 10)
+
+## Intent
+
+Ship `openkknd.exe` + SDL2 DLLs via **WiX** MSI.
+
+## Cross-build from macOS
+
+Not fully automated on firecuda yet. Options:
+
+1. CI on Windows runners (GitHub Actions) building with MSVC or MinGW + WiX.
+2. MinGW-w64 cross toolchain + `makensis` / WiX on Linux CI.
+
+## Local script placeholder
+
+`build-msi.ps1` (to be added) should:
+
+- build Release with CMake + VS or MinGW
+- harvest files with heat/candle/light
+- produce `OpenKKND-<version>-win.msi`
+
+Target OS: Windows 7 SP1+, 8, 10 (avoid APIs newer than Win7 for the baseline binary).