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230 lines
8.5 KiB
230 lines
8.5 KiB
{ lib, stdenv
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, targetPackages
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, crossStageStatic, libcCross
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, version
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, gmp, mpfr, libmpc, libelf, isl
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, cloog ? null
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, enableLTO
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, enableMultilib
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, enablePlugin
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, enableShared
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, langC
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, langCC
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, langD ? false
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, langFortran
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, langJava ? false, javaAwtGtk ? false, javaAntlr ? null, javaEcj ? null
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, langAda ? false
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, langGo
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, langObjC
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, langObjCpp
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, langJit
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}:
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assert cloog != null -> lib.versionOlder version "5";
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assert langJava -> lib.versionOlder version "7";
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# Note [Windows Exception Handling]
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# sjlj (short jump long jump) exception handling makes no sense on x86_64,
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# it's forcably slowing programs down as it produces a constant overhead.
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# On x86_64 we have SEH (Structured Exception Handling) and we should use
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# that. On i686, we do not have SEH, and have to use sjlj with dwarf2.
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# Hence it's now conditional on x86_32 (i686 is 32bit).
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#
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# ref: https://stackoverflow.com/questions/15670169/what-is-difference-between-sjlj-vs-dwarf-vs-seh
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let
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inherit (stdenv)
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buildPlatform hostPlatform targetPlatform;
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crossMingw = targetPlatform != hostPlatform && targetPlatform.isMinGW;
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crossDarwin = targetPlatform != hostPlatform && targetPlatform.libc == "libSystem";
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targetPrefix = lib.optionalString (stdenv.targetPlatform != stdenv.hostPlatform)
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"${stdenv.targetPlatform.config}-";
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crossConfigureFlags =
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# Ensure that -print-prog-name is able to find the correct programs.
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[
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"--with-as=${targetPackages.stdenv.cc.bintools}/bin/${targetPlatform.config}-as"
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"--with-ld=${targetPackages.stdenv.cc.bintools}/bin/${targetPlatform.config}-ld"
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]
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++ (if crossStageStatic then [
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"--disable-libssp"
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"--disable-nls"
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"--without-headers"
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"--disable-threads"
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"--disable-libgomp"
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"--disable-libquadmath"
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"--disable-shared"
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"--disable-libatomic" # requires libc
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"--disable-decimal-float" # requires libc
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"--disable-libmpx" # requires libc
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] ++ lib.optionals crossMingw [
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"--with-headers=${lib.getDev libcCross}/include"
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"--with-gcc"
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"--with-gnu-as"
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"--with-gnu-ld"
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"--disable-debug"
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"--disable-win32-registry"
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"--enable-hash-synchronization"
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"--enable-libssp"
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"--disable-nls"
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# To keep ABI compatibility with upstream mingw-w64
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"--enable-fully-dynamic-string"
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] ++ lib.optionals (crossMingw && targetPlatform.isx86_32) [
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# See Note [Windows Exception Handling]
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"--enable-sjlj-exceptions"
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"--with-dwarf2"
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] else [
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(if crossDarwin then "--with-sysroot=${lib.getLib libcCross}/share/sysroot"
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else "--with-headers=${lib.getDev libcCross}${libcCross.incdir or "/include"}")
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"--enable-__cxa_atexit"
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"--enable-long-long"
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"--enable-threads=${if targetPlatform.isUnix then "posix"
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else if targetPlatform.isWindows then "mcf"
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else "single"}"
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"--enable-nls"
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] ++ lib.optionals (targetPlatform.libc == "uclibc" || targetPlatform.libc == "musl") [
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# libsanitizer requires netrom/netrom.h which is not
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# available in uclibc.
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"--disable-libsanitizer"
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] ++ lib.optionals (targetPlatform.libc == "uclibc") [
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# In uclibc cases, libgomp needs an additional '-ldl'
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# and as I don't know how to pass it, I disable libgomp.
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"--disable-libgomp"
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] ++ lib.optional (targetPlatform.libc == "newlib") "--with-newlib"
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++ lib.optional (targetPlatform.libc == "avrlibc") "--with-avrlibc"
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);
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configureFlags =
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# Basic dependencies
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[
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"--with-gmp-include=${gmp.dev}/include"
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"--with-gmp-lib=${gmp.out}/lib"
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"--with-mpfr-include=${mpfr.dev}/include"
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"--with-mpfr-lib=${mpfr.out}/lib"
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"--with-mpc=${libmpc}"
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]
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++ lib.optional (libelf != null) "--with-libelf=${libelf}"
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++ lib.optional (!(crossMingw && crossStageStatic))
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"--with-native-system-header-dir=${lib.getDev stdenv.cc.libc}/include"
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# Basic configuration
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++ [
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# Force target prefix. The behavior if `--target` and `--host`
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# are specified is inconsistent: Sometimes specifying `--target`
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# always causes a prefix to be generated, sometimes it's only
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# added if the `--host` and `--target` differ. This means that
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# sometimes there may be a prefix even though nixpkgs doesn't
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# expect one and sometimes there may be none even though nixpkgs
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# expects one (since not all information is serialized into the
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# config attribute). The easiest way out of these problems is to
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# always set the program prefix, so gcc will conform to our
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# expectations.
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"--program-prefix=${targetPrefix}"
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(lib.enableFeature enableLTO "lto")
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"--disable-libstdcxx-pch"
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"--without-included-gettext"
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"--with-system-zlib"
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"--enable-static"
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"--enable-languages=${
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lib.concatStringsSep ","
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( lib.optional langC "c"
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++ lib.optional langCC "c++"
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++ lib.optional langD "d"
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++ lib.optional langFortran "fortran"
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++ lib.optional langJava "java"
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++ lib.optional langAda "ada"
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++ lib.optional langGo "go"
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++ lib.optional langObjC "objc"
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++ lib.optional langObjCpp "obj-c++"
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++ lib.optionals crossDarwin [ "objc" "obj-c++" ]
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++ lib.optional langJit "jit"
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)
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}"
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]
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++ (if (enableMultilib || targetPlatform.isAvr)
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then ["--enable-multilib" "--disable-libquadmath"]
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else ["--disable-multilib"])
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++ lib.optional (!enableShared) "--disable-shared"
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++ [
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(lib.enableFeature enablePlugin "plugin")
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]
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# Support -m32 on powerpc64le/be
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++ lib.optional (targetPlatform.system == "powerpc64le-linux")
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"--enable-targets=powerpcle-linux"
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++ lib.optional (targetPlatform.system == "powerpc64-linux")
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"--enable-targets=powerpc-linux"
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# Fix "unknown long double size, cannot define BFP_FMT"
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++ lib.optional (targetPlatform.isPower && targetPlatform.isMusl)
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"--disable-decimal-float"
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# Optional features
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++ lib.optional (isl != null) "--with-isl=${isl}"
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++ lib.optionals (cloog != null) [
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"--with-cloog=${cloog}"
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"--disable-cloog-version-check"
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"--enable-cloog-backend=isl"
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]
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# Ada options, gcc can't build the runtime library for a cross compiler
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++ lib.optional langAda
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(if hostPlatform == targetPlatform
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then "--enable-libada"
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else "--disable-libada")
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# Java options
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++ lib.optionals langJava [
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"--with-ecj-jar=${javaEcj}"
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# Follow Sun's layout for the convenience of IcedTea/OpenJDK. See
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# <http://mail.openjdk.java.net/pipermail/distro-pkg-dev/2010-April/008888.html>.
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"--enable-java-home"
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"--with-java-home=\${prefix}/lib/jvm/jre"
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]
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++ lib.optional javaAwtGtk "--enable-java-awt=gtk"
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++ lib.optional (langJava && javaAntlr != null) "--with-antlr-jar=${javaAntlr}"
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# TODO: aarch64-darwin has clang stdenv and its arch and cpu flag values are incompatible with gcc
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++ lib.optional (!(stdenv.isDarwin && stdenv.isAarch64)) (import ../common/platform-flags.nix { inherit (stdenv) targetPlatform; inherit lib; })
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++ lib.optionals (targetPlatform != hostPlatform) crossConfigureFlags
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++ lib.optional (targetPlatform != hostPlatform) "--disable-bootstrap"
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# Platform-specific flags
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++ lib.optional (targetPlatform == hostPlatform && targetPlatform.isx86_32) "--with-arch=${stdenv.hostPlatform.parsed.cpu.name}"
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++ lib.optional targetPlatform.isNetBSD "--disable-libssp" # Provided by libc.
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++ lib.optionals hostPlatform.isSunOS [
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"--enable-long-long" "--enable-libssp" "--enable-threads=posix" "--disable-nls" "--enable-__cxa_atexit"
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# On Illumos/Solaris GNU as is preferred
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"--with-gnu-as" "--without-gnu-ld"
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]
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++ lib.optional (targetPlatform.libc == "musl")
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# musl at least, disable: https://git.buildroot.net/buildroot/commit/?id=873d4019f7fb00f6a80592224236b3ba7d657865
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"--disable-libmpx"
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++ lib.optionals (targetPlatform == hostPlatform && targetPlatform.libc == "musl") [
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"--disable-libsanitizer"
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"--disable-symvers"
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"libat_cv_have_ifunc=no"
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"--disable-gnu-indirect-function"
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]
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++ lib.optionals langJit [
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"--enable-host-shared"
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]
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++ lib.optionals (langD) [
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"--with-target-system-zlib=yes"
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]
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# Make -fcommon default on gcc10
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# TODO: fix all packages (probably 100+) and remove that
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++ lib.optional (version >= "10.1.0") "--with-specs=%{!fno-common:%{!fcommon:-fcommon}}"
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;
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in configureFlags
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