JakeHillion/nixpkgs
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

firefox: disable LTO on Darwin

Browse Source 
LTO in general is broken on Darwin (see #19312).
This commit is contained in:
S. Nordin Abouzahra 2020-10-08 23:29:13 -04:00
parent 214c833589
commit aecd9ab1e4
1 changed files with 10 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
pkgs/applications/networking/browsers/firefox/common.nix
View File

@ -22,7 +22,7 @@
, ffmpegSupport ? true
, gtk3Support ? true, gtk2, gtk3, wrapGAppsHook
, waylandSupport ? true, libxkbcommon
, ltoSupport ? true, overrideCC, buildPackages
, ltoSupport ? stdenv.isLinux, overrideCC, buildPackages
, gssSupport ? true, kerberos
, pipewireSupport ? waylandSupport && webrtcSupport, pipewire
@ -72,6 +72,7 @@
assert stdenv.cc.libc or null != null;
assert pipewireSupport -> !waylandSupport || !webrtcSupport -> throw "pipewireSupport requires both wayland and webrtc support.";
assert ltoSupport -> stdenv.isDarwin -> throw "LTO is broken on Darwin (see PR#19312).";
let
flag = tf: x: [(if tf then "--enable-${x}" else "--disable-${x}")];
@ -88,8 +89,14 @@ let
then "/Applications/${binaryNameCapitalized}.app/Contents/MacOS"
else "/bin";
llvmPackages = buildPackages.llvmPackages_10;
# Darwin's stdenv provides the default llvmPackages version, match that since
# clang LTO on Darwin is broken so the stdenv is not being changed.
llvmPackages = if stdenv.isDarwin
then buildPackages.llvmPackages
else buildPackages.llvmPackages_10;
# When LTO for Darwin is fixed, the following will need updating as lld
# doesn't work on it. For now it is fine since ltoSupport implies no Darwin.
buildStdenv = if ltoSupport
then overrideCC stdenv llvmPackages.lldClang
else stdenv;
@ -256,7 +263,7 @@ buildStdenv.mkDerivation ({
# LTO is done using clang and lld on Linux.
# Darwin needs to use the default linker as lld is not supported (yet?):
# https://bugzilla.mozilla.org/show_bug.cgi?id=1538724
# elf-hack is broken when using clang:
# elf-hack is broken when using clang+lld:
# https://bugzilla.mozilla.org/show_bug.cgi?id=1482204
++ lib.optionals ltoSupport [
"--enable-lto"