237 lines
8 KiB
Nix
237 lines
8 KiB
Nix
{ lib
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, fetchurl
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, callPackage
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, kaem
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, m2libc
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, mescc-tools
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}:
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# Maintenance note:
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# Build steps have been adapted from build-aux/bootstrap.sh.in
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# as well as the live-bootstrap project
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# https://github.com/fosslinux/live-bootstrap/blob/1bc4296091c51f53a5598050c8956d16e945b0f5/sysa/mes-0.24.2/mes-0.24.2.kaem
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let
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pname = "mes";
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version = "0.24.2";
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src = fetchurl {
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url = "mirror://gnu/mes/mes-${version}.tar.gz";
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sha256 = "0vp8v88zszh1imm3dvdfi3m8cywshdj7xcrsq4cgmss69s2y1nkx";
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};
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nyacc = callPackage ./nyacc.nix { inherit nyacc; };
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config_h = builtins.toFile "config.h" ''
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#undef SYSTEM_LIBC
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#define MES_VERSION "${version}"
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'';
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sources = (import ./sources.nix).x86.linux.mescc;
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inherit (sources) libc_mini_SOURCES libmescc_SOURCES libc_SOURCES mes_SOURCES;
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# add symlink() to libc+tcc so we can use it in ln-boot
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libc_tcc_SOURCES = sources.libc_tcc_SOURCES ++ [ "lib/linux/symlink.c" ];
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meta = with lib; {
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description = "Scheme interpreter and C compiler for bootstrapping";
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homepage = "https://www.gnu.org/software/mes";
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license = licenses.gpl3Plus;
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maintainers = teams.minimal-bootstrap.members;
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platforms = [ "i686-linux" ];
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};
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srcPost = kaem.runCommand "${pname}-src-${version}" {
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outputs = [ "out" "bin" ];
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inherit meta;
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} ''
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# Unpack source
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ungz --file ${src} --output mes.tar
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mkdir ''${out}
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cd ''${out}
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untar --non-strict --file ''${NIX_BUILD_TOP}/mes.tar # ignore symlinks
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MES_PREFIX=''${out}/mes-${version}
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cd ''${MES_PREFIX}
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cp ${config_h} include/mes/config.h
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mkdir include/arch
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cp include/linux/x86/syscall.h include/arch/syscall.h
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cp include/linux/x86/kernel-stat.h include/arch/kernel-stat.h
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# Remove pregenerated files
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rm mes/module/mes/psyntax.pp mes/module/mes/psyntax.pp.header
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# These files are symlinked in the repo
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cp mes/module/srfi/srfi-9-struct.mes mes/module/srfi/srfi-9.mes
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cp mes/module/srfi/srfi-9/gnu-struct.mes mes/module/srfi/srfi-9/gnu.mes
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# Fixes to support newer M2-Planet
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catm x86_defs.M1 ${m2libc}/x86/x86_defs.M1 lib/m2/x86/x86_defs.M1
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cp x86_defs.M1 lib/m2/x86/x86_defs.M1
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rm x86_defs.M1
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# Remove environment impurities
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__GUILE_LOAD_PATH="\"''${MES_PREFIX}/mes/module:''${MES_PREFIX}/module:${nyacc.guilePath}\""
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boot0_scm=mes/module/mes/boot-0.scm
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guile_mes=mes/module/mes/guile.mes
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replace --file ''${boot0_scm} --output ''${boot0_scm} --match-on "(getenv \"GUILE_LOAD_PATH\")" --replace-with ''${__GUILE_LOAD_PATH}
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replace --file ''${guile_mes} --output ''${guile_mes} --match-on "(getenv \"GUILE_LOAD_PATH\")" --replace-with ''${__GUILE_LOAD_PATH}
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module_mescc_scm=module/mescc/mescc.scm
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replace --file ''${module_mescc_scm} --output ''${module_mescc_scm} --match-on "(getenv \"M1\")" --replace-with "\"${mescc-tools}/bin/M1\""
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replace --file ''${module_mescc_scm} --output ''${module_mescc_scm} --match-on "(getenv \"HEX2\")" --replace-with "\"${mescc-tools}/bin/hex2\""
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replace --file ''${module_mescc_scm} --output ''${module_mescc_scm} --match-on "(getenv \"BLOOD_ELF\")" --replace-with "\"${mescc-tools}/bin/blood-elf\""
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replace --file ''${module_mescc_scm} --output ''${module_mescc_scm} --match-on "(getenv \"srcdest\")" --replace-with "\"''${MES_PREFIX}\""
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mes_c=src/mes.c
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replace --file ''${mes_c} --output ''${mes_c} --match-on "getenv (\"MES_PREFIX\")" --replace-with "\"''${MES_PREFIX}\""
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replace --file ''${mes_c} --output ''${mes_c} --match-on "getenv (\"srcdest\")" --replace-with "\"''${MES_PREFIX}\""
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# Increase runtime resource limits
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gc_c=src/gc.c
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replace --file ''${gc_c} --output ''${gc_c} --match-on "getenv (\"MES_ARENA\")" --replace-with "\"100000000\""
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replace --file ''${gc_c} --output ''${gc_c} --match-on "getenv (\"MES_MAX_ARENA\")" --replace-with "\"100000000\""
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replace --file ''${gc_c} --output ''${gc_c} --match-on "getenv (\"MES_STACK\")" --replace-with "\"6000000\""
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# Create mescc.scm
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mescc_in=scripts/mescc.scm.in
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replace --file ''${mescc_in} --output ''${mescc_in} --match-on "(getenv \"MES_PREFIX\")" --replace-with "\"''${MES_PREFIX}\""
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replace --file ''${mescc_in} --output ''${mescc_in} --match-on "(getenv \"includedir\")" --replace-with "\"''${MES_PREFIX}/include\""
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replace --file ''${mescc_in} --output ''${mescc_in} --match-on "(getenv \"libdir\")" --replace-with "\"''${MES_PREFIX}/lib\""
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replace --file ''${mescc_in} --output ''${mescc_in} --match-on @prefix@ --replace-with ''${MES_PREFIX}
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replace --file ''${mescc_in} --output ''${mescc_in} --match-on @VERSION@ --replace-with ${version}
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replace --file ''${mescc_in} --output ''${mescc_in} --match-on @mes_cpu@ --replace-with x86
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replace --file ''${mescc_in} --output ''${mescc_in} --match-on @mes_kernel@ --replace-with linux
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mkdir -p ''${bin}/bin
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cp ''${mescc_in} ''${bin}/bin/mescc.scm
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# Build mes-m2
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mes_cpu=x86
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stage0_cpu=x86
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kaem --verbose --strict --file kaem.run
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cp bin/mes-m2 ''${bin}/bin/mes-m2
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chmod 555 ''${bin}/bin/mes-m2
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'';
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srcPrefix = "${srcPost.out}/mes-${version}";
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cc = "${srcPost.bin}/bin/mes-m2";
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ccArgs = [
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"-e" "main"
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"${srcPost.bin}/bin/mescc.scm"
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"--"
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"-D" "HAVE_CONFIG_H=1"
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"-I" "${srcPrefix}/include"
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"-I" "${srcPrefix}/include/linux/x86"
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];
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CC = toString ([ cc ] ++ ccArgs);
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stripExt = source:
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lib.replaceStrings
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[ ".c" ]
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[ "" ]
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(builtins.baseNameOf source);
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compile = source: kaem.runCommand (stripExt source) {} ''
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mkdir ''${out}
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cd ''${out}
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${CC} -c ${srcPrefix}/${source}
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'';
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crt1 = compile "/lib/linux/x86-mes-mescc/crt1.c";
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getRes = suffix: res: "${res}/${res.name}${suffix}";
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archive = out: sources:
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"catm ${out} ${lib.concatMapStringsSep " " (getRes ".o") sources}";
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sourceArchive = out: sources:
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"catm ${out} ${lib.concatMapStringsSep " " (getRes ".s") sources}";
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mkLib = libname: sources: let
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os = map compile sources;
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in kaem.runCommand "${pname}-${libname}-${version}" {
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inherit meta;
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} ''
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LIBDIR=''${out}/lib
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mkdir -p ''${LIBDIR}
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cd ''${LIBDIR}
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${archive "${libname}.a" os}
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${sourceArchive "${libname}.s" os}
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'';
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libc-mini = mkLib "libc-mini" libc_mini_SOURCES;
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libmescc = mkLib "libmescc" libmescc_SOURCES;
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libc = mkLib "libc" libc_SOURCES;
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libc_tcc = mkLib "libc+tcc" libc_tcc_SOURCES;
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# Recompile Mes and Mes C library using mes-m2 bootstrapped Mes
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libs = kaem.runCommand "${pname}-m2-libs-${version}" {
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inherit pname version;
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passthru.tests.get-version = result: kaem.runCommand "${pname}-get-version-${version}" {} ''
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${result}/bin/mes --version
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mkdir ''${out}
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'';
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inherit meta;
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}
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''
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LIBDIR=''${out}/lib
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mkdir -p ''${out} ''${LIBDIR}
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mkdir -p ''${LIBDIR}/x86-mes
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# crt1.o
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cp ${crt1}/crt1.o ''${LIBDIR}/x86-mes
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cp ${crt1}/crt1.s ''${LIBDIR}/x86-mes
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# libc-mini.a
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cp ${libc-mini}/lib/libc-mini.a ''${LIBDIR}/x86-mes
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cp ${libc-mini}/lib/libc-mini.s ''${LIBDIR}/x86-mes
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# libmescc.a
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cp ${libmescc}/lib/libmescc.a ''${LIBDIR}/x86-mes
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cp ${libmescc}/lib/libmescc.s ''${LIBDIR}/x86-mes
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# libc.a
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cp ${libc}/lib/libc.a ''${LIBDIR}/x86-mes
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cp ${libc}/lib/libc.s ''${LIBDIR}/x86-mes
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# libc+tcc.a
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cp ${libc_tcc}/lib/libc+tcc.a ''${LIBDIR}/x86-mes
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cp ${libc_tcc}/lib/libc+tcc.s ''${LIBDIR}/x86-mes
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'';
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# Build mes itself
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compiler = kaem.runCommand "${pname}-${version}" {
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inherit pname version;
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passthru.tests.get-version = result: kaem.runCommand "${pname}-get-version-${version}" {} ''
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${result}/bin/mes --version
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mkdir ''${out}
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'';
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inherit meta;
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}
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''
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mkdir -p ''${out}/bin
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${srcPost.bin}/bin/mes-m2 -e main ${srcPost.bin}/bin/mescc.scm -- \
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-L ''${srcPrefix}/lib \
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-L ${libs}/lib \
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-lc \
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-lmescc \
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-nostdlib \
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-o ''${out}/bin/mes \
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${libs}/lib/x86-mes/crt1.o \
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${lib.concatMapStringsSep " " (getRes ".o") (map compile mes_SOURCES)}
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'';
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in {
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inherit srcPost srcPrefix nyacc;
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inherit compiler libs;
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}
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