5be0a9acd7
This is for consistency with terminology in stdenv (and the terms "hostDrv" and "buildDrv" are not very intuitive, even if they're consistent with GNU terminology).
100 lines
3.8 KiB
Nix
100 lines
3.8 KiB
Nix
# The Nix `gcc' stdenv.mkDerivation is not directly usable, since it doesn't
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# know where the C library and standard header files are. Therefore
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# the compiler produced by that package cannot be installed directly
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# in a user environment and used from the command line. This
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# stdenv.mkDerivation provides a wrapper that sets up the right environment
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# variables so that the compiler and the linker just "work".
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{ name ? "", stdenv, nativeTools, nativeLibc, nativePrefix ? ""
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, gcc ? null, libc ? null, binutils ? null, coreutils ? null, shell ? ""
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, zlib ? null
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}:
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assert nativeTools -> nativePrefix != "";
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assert !nativeTools -> gcc != null && binutils != null && coreutils != null;
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assert !nativeLibc -> libc != null;
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# For ghdl (the vhdl language provider to gcc) we need zlib in the wrapper
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assert (gcc != null && gcc ? langVhdl && gcc.langVhdl) -> zlib != null;
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let
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gccVersion = (builtins.parseDrvName gcc.name).version;
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gccName = (builtins.parseDrvName gcc.name).name;
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langGo = if nativeTools then false else gcc ? langGo && gcc.langGo;
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in
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stdenv.mkDerivation ({
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name =
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(if name != "" then name else gccName + "-wrapper") +
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(if gcc != null && gccVersion != "" then "-" + gccVersion else "");
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builder = ./builder.sh;
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setupHook = ./setup-hook.sh;
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gccWrapper = ./gcc-wrapper.sh;
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gnatWrapper = ./gnat-wrapper.sh;
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gnatlinkWrapper = ./gnatlink-wrapper.sh;
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ldWrapper = ./ld-wrapper.sh;
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utils = ./utils.sh;
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addFlags = ./add-flags;
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inherit nativeTools nativeLibc nativePrefix gcc;
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libc = if nativeLibc then null else libc;
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binutils = if nativeTools then null else binutils;
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# The wrapper scripts use 'cat', so we may need coreutils
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coreutils = if nativeTools then null else coreutils;
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langC = if nativeTools then true else gcc.langC;
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langCC = if nativeTools then true else gcc.langCC;
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langFortran = if nativeTools then false else gcc ? langFortran;
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langAda = if nativeTools then false else gcc ? langAda && gcc.langAda;
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langVhdl = if nativeTools then false else gcc ? langVhdl && gcc.langVhdl;
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zlib = if (gcc != null && gcc ? langVhdl) then zlib else null;
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shell = if shell == "" then stdenv.shell else
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if builtins.isAttrs shell then (shell + shell.shellPath)
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else shell;
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crossAttrs = {
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shell = shell.crossDrv + shell.crossDrv.shellPath;
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libc = libc.crossDrv;
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coreutils = coreutils.crossDrv;
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binutils = binutils.crossDrv;
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gcc = gcc.crossDrv;
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#
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# This is not the best way to do this. I think the reference should be
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# the style in the gcc-cross-wrapper, but to keep a stable stdenv now I
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# do this sufficient if/else.
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dynamicLinker =
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(if stdenv.cross.arch == "arm" then "ld-linux.so.3" else
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if stdenv.cross.arch == "mips" then "ld.so.1" else
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if stdenv.lib.hasSuffix "pc-gnu" stdenv.cross.config then "ld.so.1" else
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abort "don't know the name of the dynamic linker for this platform");
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};
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meta =
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let gcc_ = if gcc != null then gcc else {}; in
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(if gcc_ ? meta then removeAttrs gcc.meta ["priority"] else {}) //
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{ description =
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stdenv.lib.attrByPath ["meta" "description"] "System C compiler" gcc_
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+ " (wrapper script)";
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};
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# The dynamic linker has different names on different Linux platforms.
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dynamicLinker =
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if !nativeLibc then
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(if stdenv.system == "i686-linux" then "ld-linux.so.2" else
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if stdenv.system == "x86_64-linux" then "ld-linux-x86-64.so.2" else
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if stdenv.isArm then "ld-linux.so.3" else
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if stdenv.system == "powerpc-linux" then "ld.so.1" else
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if stdenv.system == "mips64el-linux" then "ld.so.1" else
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abort "don't know the name of the dynamic linker for this platform")
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else "";
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}
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# This go wrapper should be reworked in stdenv-updates.
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// (if langGo then
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{
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inherit langGo;
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builder = ./buildergo.sh;
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} else {}))
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