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Diffstat (limited to 'pkgs/development/libraries/zlib/default.nix')
-rw-r--r-- | pkgs/development/libraries/zlib/default.nix | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/pkgs/development/libraries/zlib/default.nix b/pkgs/development/libraries/zlib/default.nix index 7fb5be1c34347..9f5af47c72680 100644 --- a/pkgs/development/libraries/zlib/default.nix +++ b/pkgs/development/libraries/zlib/default.nix @@ -1,5 +1,20 @@ { stdenv , fetchurl +# Regarding static/shared libaries, the current behaviour is: +# +# - static=true, shared=true: builds both and moves .a to the .static output; +# in this case `pkg-config` auto detection will +# not work if the .static output is given as +# buildInputs to another package (#66461) +# - static=true, shared=false: builds .a only and leaves it in the main output +# - static=false, shared=true: builds shared only +# +# To get both `.a` and shared libraries in one output, +# you currently have to use +# static=false, shared=true +# and use +# .overrideAttrs (old: { dontDisableStatic = true; }) +# This is because by default, upstream zlib ./configure builds both. , static ? true , shared ? true }: @@ -68,6 +83,8 @@ stdenv.mkDerivation (rec { ] ++ stdenv.lib.optionals (stdenv.hostPlatform.libc == "msvcrt") [ "-f" "win32/Makefile.gcc" ] ++ stdenv.lib.optionals shared [ + # Note that as of writing (zlib 1.2.11), this flag only has an effect + # for Windows as it is specific to `win32/Makefile.gcc`. "SHARED_MODE=1" ]; |