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38 lines
1.4 KiB
Nix
38 lines
1.4 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, shell ? "", cross ? ""
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}:
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assert nativeTools -> nativePrefix != "";
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assert !nativeTools -> gcc != null && binutils != null;
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assert !nativeLibc -> libc != null;
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stdenv.mkDerivation {
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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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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 libc binutils;
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crossConfig = if (cross != null) then cross.config else null;
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name = if name == "" then gcc.name else name;
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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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langF77 = if nativeTools then false else gcc ? langFortran;
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shell = if shell == "" then stdenv.shell else shell;
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meta = if gcc != null then gcc.meta else
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{ description = "System C compiler wrapper";
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};
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passthru = {
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inherit cross;
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};
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}
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