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diff --git a/src/basic/architecture.h b/src/basic/architecture.h
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+#pragma once
+
+/***
+ This file is part of systemd.
+
+ Copyright 2014 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <endian.h>
+
+#include "macro.h"
+#include "util.h"
+
+/* A cleaned up architecture definition. We don't want to get lost in
+ * processor features, models, generations or even ABIs. Hence we
+ * focus on general family, and distinguish word width and
+ * endianness. */
+
+enum {
+ ARCHITECTURE_X86 = 0,
+ ARCHITECTURE_X86_64,
+ ARCHITECTURE_PPC,
+ ARCHITECTURE_PPC_LE,
+ ARCHITECTURE_PPC64,
+ ARCHITECTURE_PPC64_LE,
+ ARCHITECTURE_IA64,
+ ARCHITECTURE_PARISC,
+ ARCHITECTURE_PARISC64,
+ ARCHITECTURE_S390,
+ ARCHITECTURE_S390X,
+ ARCHITECTURE_SPARC,
+ ARCHITECTURE_SPARC64,
+ ARCHITECTURE_MIPS,
+ ARCHITECTURE_MIPS_LE,
+ ARCHITECTURE_MIPS64,
+ ARCHITECTURE_MIPS64_LE,
+ ARCHITECTURE_ALPHA,
+ ARCHITECTURE_ARM,
+ ARCHITECTURE_ARM_BE,
+ ARCHITECTURE_ARM64,
+ ARCHITECTURE_ARM64_BE,
+ ARCHITECTURE_SH,
+ ARCHITECTURE_SH64,
+ ARCHITECTURE_M68K,
+ ARCHITECTURE_TILEGX,
+ ARCHITECTURE_CRIS,
+ _ARCHITECTURE_MAX,
+ _ARCHITECTURE_INVALID = -1
+};
+
+int uname_architecture(void);
+
+/*
+ * LIB_ARCH_TUPLE should resolve to the local library path
+ * architecture tuple systemd is built for, according to the Debian
+ * tuple list:
+ *
+ * https://wiki.debian.org/Multiarch/Tuples
+ *
+ * This is used in library search paths that should understand
+ * Debian's paths on all distributions.
+ */
+
+#if defined(__x86_64__)
+# define native_architecture() ARCHITECTURE_X86_64
+# define LIB_ARCH_TUPLE "x86_64-linux-gnu"
+# define SECONDARY_ARCHITECTURE ARCHITECTURE_X86
+#elif defined(__i386__)
+# define native_architecture() ARCHITECTURE_X86
+# define LIB_ARCH_TUPLE "i386-linux-gnu"
+#elif defined(__powerpc64__)
+# if __BYTE_ORDER == __BIG_ENDIAN
+# define native_architecture() ARCHITECTURE_PPC64
+# define LIB_ARCH_TUPLE "ppc64-linux-gnu"
+# define SECONDARY_ARCHITECTURE ARCHITECTURE_PPC
+# else
+# define native_architecture() ARCHITECTURE_PPC64_LE
+# define LIB_ARCH_TUPLE "powerpc64le-linux-gnu"
+# define SECONDARY_ARCHITECTURE ARCHITECTURE_PPC_LE
+# endif
+#elif defined(__powerpc__)
+# if __BYTE_ORDER == __BIG_ENDIAN
+# define native_architecture() ARCHITECTURE_PPC
+# define LIB_ARCH_TUPLE "powerpc-linux-gnu"
+# else
+# define native_architecture() ARCHITECTURE_PPC_LE
+# error "Missing LIB_ARCH_TUPLE for PPCLE"
+# endif
+#elif defined(__ia64__)
+# define native_architecture() ARCHITECTURE_IA64
+# define LIB_ARCH_TUPLE "ia64-linux-gnu"
+#elif defined(__hppa64__)
+# define native_architecture() ARCHITECTURE_PARISC64
+# error "Missing LIB_ARCH_TUPLE for HPPA64"
+#elif defined(__hppa__)
+# define native_architecture() ARCHITECTURE_PARISC
+# define LIB_ARCH_TUPLE "hppa‑linux‑gnu"
+#elif defined(__s390x__)
+# define native_architecture() ARCHITECTURE_S390X
+# define LIB_ARCH_TUPLE "s390x-linux-gnu"
+# define SECONDARY_ARCHITECTURE ARCHITECTURE_S390
+#elif defined(__s390__)
+# define native_architecture() ARCHITECTURE_S390
+# define LIB_ARCH_TUPLE "s390-linux-gnu"
+#elif defined(__sparc64__)
+# define native_architecture() ARCHITECTURE_SPARC64
+# define LIB_ARCH_TUPLE "sparc64-linux-gnu"
+#elif defined(__sparc__)
+# define native_architecture() ARCHITECTURE_SPARC
+# define LIB_ARCH_TUPLE "sparc-linux-gnu"
+#elif defined(__mips64__)
+# if __BYTE_ORDER == __BIG_ENDIAN
+# define native_architecture() ARCHITECTURE_MIPS64
+# error "Missing LIB_ARCH_TUPLE for MIPS64"
+# else
+# define native_architecture() ARCHITECTURE_MIPS64_LE
+# error "Missing LIB_ARCH_TUPLE for MIPS64_LE"
+# endif
+#elif defined(__mips__)
+# if __BYTE_ORDER == __BIG_ENDIAN
+# define native_architecture() ARCHITECTURE_MIPS
+# define LIB_ARCH_TUPLE "mips-linux-gnu"
+# else
+# define native_architecture() ARCHITECTURE_MIPS_LE
+# define LIB_ARCH_TUPLE "mipsel-linux-gnu"
+# endif
+#elif defined(__alpha__)
+# define native_architecture() ARCHITECTURE_ALPHA
+# define LIB_ARCH_TUPLE "alpha-linux-gnu"
+#elif defined(__aarch64__)
+# if __BYTE_ORDER == __BIG_ENDIAN
+# define native_architecture() ARCHITECTURE_ARM64_BE
+# define LIB_ARCH_TUPLE "aarch64_be-linux-gnu"
+# else
+# define native_architecture() ARCHITECTURE_ARM64
+# define LIB_ARCH_TUPLE "aarch64-linux-gnu"
+# endif
+#elif defined(__arm__)
+# if __BYTE_ORDER == __BIG_ENDIAN
+# define native_architecture() ARCHITECTURE_ARM_BE
+# if defined(__ARM_EABI__)
+# if defined(__ARM_PCS_VFP)
+# define LIB_ARCH_TUPLE "armeb-linux-gnueabihf"
+# else
+# define LIB_ARCH_TUPLE "armeb-linux-gnueabi"
+# endif
+# else
+# define LIB_ARCH_TUPLE "armeb-linux-gnu"
+# endif
+# else
+# define native_architecture() ARCHITECTURE_ARM
+# if defined(__ARM_EABI__)
+# if defined(__ARM_PCS_VFP)
+# define LIB_ARCH_TUPLE "arm-linux-gnueabihf"
+# else
+# define LIB_ARCH_TUPLE "arm-linux-gnueabi"
+# endif
+# else
+# define LIB_ARCH_TUPLE "arm-linux-gnu"
+# endif
+# endif
+#elif defined(__sh64__)
+# define native_architecture() ARCHITECTURE_SH64
+# error "Missing LIB_ARCH_TUPLE for SH64"
+#elif defined(__sh__)
+# define native_architecture() ARCHITECTURE_SH
+# define LIB_ARCH_TUPLE "sh4-linux-gnu"
+#elif defined(__m68k__)
+# define native_architecture() ARCHITECTURE_M68K
+# define LIB_ARCH_TUPLE "m68k-linux-gnu"
+#elif defined(__tilegx__)
+# define native_architecture() ARCHITECTURE_TILEGX
+# error "Missing LIB_ARCH_TUPLE for TILEGX"
+#elif defined(__cris__)
+# define native_architecture() ARCHITECTURE_CRIS
+# error "Missing LIB_ARCH_TUPLE for CRIS"
+#else
+# error "Please register your architecture here!"
+#endif
+
+const char *architecture_to_string(int a) _const_;
+int architecture_from_string(const char *s) _pure_;
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