diff options
Diffstat (limited to 'nixpkgs/pkgs/build-support/cc-wrapper/default.nix')
| -rw-r--r-- | nixpkgs/pkgs/build-support/cc-wrapper/default.nix | 57 |
1 files changed, 35 insertions, 22 deletions
diff --git a/nixpkgs/pkgs/build-support/cc-wrapper/default.nix b/nixpkgs/pkgs/build-support/cc-wrapper/default.nix index 0855c27eff49..341e2850437c 100644 --- a/nixpkgs/pkgs/build-support/cc-wrapper/default.nix +++ b/nixpkgs/pkgs/build-support/cc-wrapper/default.nix @@ -6,6 +6,7 @@ # compiler and the linker just "work". { name ? "" +, lib , stdenvNoCC , cc ? null, libc ? null, bintools, coreutils ? null, shell ? stdenvNoCC.shell , gccForLibs ? null @@ -18,7 +19,7 @@ , libcxx ? null }: -with stdenvNoCC.lib; +with lib; assert nativeTools -> !propagateDoc && nativePrefix != ""; assert !nativeTools -> @@ -34,11 +35,11 @@ let # # TODO(@Ericson2314) Make unconditional, or optional but always true by # default. - targetPrefix = stdenv.lib.optionalString (targetPlatform != hostPlatform) + targetPrefix = lib.optionalString (targetPlatform != hostPlatform) (targetPlatform.config + "-"); - ccVersion = stdenv.lib.getVersion cc; - ccName = stdenv.lib.removePrefix targetPrefix (stdenv.lib.getName cc); + ccVersion = lib.getVersion cc; + ccName = lib.removePrefix targetPrefix (lib.getName cc); libc_bin = if libc == null then null else getBin libc; libc_dev = if libc == null then null else getDev libc; @@ -65,6 +66,7 @@ let && libcxx == null && !(stdenv.targetPlatform.useLLVM or false) && !(stdenv.targetPlatform.useAndroidPrebuilt or false) + && !(stdenv.targetPlatform.isiOS or false) && gccForLibs != null; # older compilers (for example bootstrap's GCC 5) fail with -march=too-modern-cpu @@ -246,8 +248,8 @@ stdenv.mkDerivation { setupHooks = [ ../setup-hooks/role.bash - ] ++ stdenv.lib.optional (cc.langC or true) ./setup-hook.sh - ++ stdenv.lib.optional (cc.langFortran or false) ./fortran-hook.sh; + ] ++ lib.optional (cc.langC or true) ./setup-hook.sh + ++ lib.optional (cc.langFortran or false) ./fortran-hook.sh; postFixup = # Ensure flags files exists, as some other programs cat them. (That these @@ -289,6 +291,17 @@ stdenv.mkDerivation { echo "-L${gccForLibs.lib}/${targetPlatform.config}/lib" >> $out/nix-support/cc-ldflags '' + # TODO We would like to connect this to `useGccForLibs`, but we cannot yet + # because `libcxxStdenv` on linux still needs this. Maybe someday we'll + # always set `useLLVM` on Darwin, and maybe also break down `useLLVM` into + # fine-grained use flags (libgcc vs compiler-rt, ld.lld vs legacy, libc++ + # vs libstdc++, etc.) since Darwin isn't `useLLVM` on all counts. (See + # https://clang.llvm.org/docs/Toolchain.html for all the axes one might + # break `useLLVM` into.) + + optionalString (isClang && gccForLibs != null && targetPlatform.isLinux && !(stdenv.targetPlatform.useLLVM or false)) '' + echo "--gcc-toolchain=${gccForLibs}" >> $out/nix-support/cc-cflags + '' + ## ## General libc support ## @@ -341,7 +354,7 @@ stdenv.mkDerivation { + optionalString (libcxx.isLLVM or false) ('' echo "-isystem ${libcxx}/include/c++/v1" >> $out/nix-support/libcxx-cxxflags echo "-stdlib=libc++" >> $out/nix-support/libcxx-ldflags - '' + stdenv.lib.optionalString stdenv.targetPlatform.isLinux '' + '' + lib.optionalString stdenv.targetPlatform.isLinux '' echo "-lc++abi" >> $out/nix-support/libcxx-ldflags '') @@ -401,32 +414,32 @@ stdenv.mkDerivation { # Always add -march based on cpu in triple. Sometimes there is a # discrepency (x86_64 vs. x86-64), so we provide an "arch" arg in # that case. - + optionalString ((targetPlatform ? platform.gcc.arch) && - isGccArchSupported targetPlatform.platform.gcc.arch) '' - echo "-march=${targetPlatform.platform.gcc.arch}" >> $out/nix-support/cc-cflags-before + + optionalString ((targetPlatform ? gcc.arch) && + isGccArchSupported targetPlatform.gcc.arch) '' + echo "-march=${targetPlatform.gcc.arch}" >> $out/nix-support/cc-cflags-before '' # -mcpu is not very useful. You should use mtune and march # instead. It’s provided here for backwards compatibility. - + optionalString (targetPlatform ? platform.gcc.cpu) '' - echo "-mcpu=${targetPlatform.platform.gcc.cpu}" >> $out/nix-support/cc-cflags-before + + optionalString (targetPlatform ? gcc.cpu) '' + echo "-mcpu=${targetPlatform.gcc.cpu}" >> $out/nix-support/cc-cflags-before '' # -mfloat-abi only matters on arm32 but we set it here # unconditionally just in case. If the abi specifically sets hard # vs. soft floats we use it here. - + optionalString (targetPlatform ? platform.gcc.float-abi) '' - echo "-mfloat-abi=${targetPlatform.platform.gcc.float-abi}" >> $out/nix-support/cc-cflags-before + + optionalString (targetPlatform ? gcc.float-abi) '' + echo "-mfloat-abi=${targetPlatform.gcc.float-abi}" >> $out/nix-support/cc-cflags-before '' - + optionalString (targetPlatform ? platform.gcc.fpu) '' - echo "-mfpu=${targetPlatform.platform.gcc.fpu}" >> $out/nix-support/cc-cflags-before + + optionalString (targetPlatform ? gcc.fpu) '' + echo "-mfpu=${targetPlatform.gcc.fpu}" >> $out/nix-support/cc-cflags-before '' - + optionalString (targetPlatform ? platform.gcc.mode) '' - echo "-mmode=${targetPlatform.platform.gcc.mode}" >> $out/nix-support/cc-cflags-before + + optionalString (targetPlatform ? gcc.mode) '' + echo "-mmode=${targetPlatform.gcc.mode}" >> $out/nix-support/cc-cflags-before '' - + optionalString (targetPlatform ? platform.gcc.tune && - isGccArchSupported targetPlatform.platform.gcc.tune) '' - echo "-mtune=${targetPlatform.platform.gcc.tune}" >> $out/nix-support/cc-cflags-before + + optionalString (targetPlatform ? gcc.tune && + isGccArchSupported targetPlatform.gcc.tune) '' + echo "-mtune=${targetPlatform.gcc.tune}" >> $out/nix-support/cc-cflags-before '' # TODO: categorize these and figure out a better place for them @@ -480,7 +493,7 @@ stdenv.mkDerivation { let cc_ = if cc != null then cc else {}; in (if cc_ ? meta then removeAttrs cc.meta ["priority"] else {}) // { description = - stdenv.lib.attrByPath ["meta" "description"] "System C compiler" cc_ + lib.attrByPath ["meta" "description"] "System C compiler" cc_ + " (wrapper script)"; priority = 10; }; |