From 47e9de5f860491aaa054d2d1d8eb42a12c427260 Mon Sep 17 00:00:00 2001
From: FliegendeWurst <2012gdwu+github@posteo.de>
Date: Sat, 29 Jan 2022 11:12:07 +0100
Subject: [PATCH 01/14] munin: disable parallel build

---
 pkgs/servers/monitoring/munin/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/servers/monitoring/munin/default.nix b/pkgs/servers/monitoring/munin/default.nix
index 28ff8ac80705..d284c94e20af 100644
--- a/pkgs/servers/monitoring/munin/default.nix
+++ b/pkgs/servers/monitoring/munin/default.nix
@@ -89,6 +89,10 @@ stdenv.mkDerivation rec {
     sed -i '/ENV{PATH}/d' node/lib/Munin/Node/Service.pm
   '';
 
+  # Disable parallel build, errors:
+  #  Can't locate Munin/Common/Defaults.pm in @INC ...
+  enableParallelBuilding = false;
+
   # DESTDIR shouldn't be needed (and shouldn't have worked), but munin
   # developers have forgotten to use PREFIX everywhere, so we use DESTDIR to
   # ensure that everything is installed in $out.

From 0022c16ae5a9706ed77c94bdd3da94d57a9a1843 Mon Sep 17 00:00:00 2001
From: FliegendeWurst <2012gdwu+github@posteo.de>
Date: Sat, 29 Jan 2022 11:33:46 +0100
Subject: [PATCH 02/14] netboot: disable parallel build

---
 pkgs/tools/networking/netboot/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/tools/networking/netboot/default.nix b/pkgs/tools/networking/netboot/default.nix
index cfd768e40ab6..995c7ff72678 100644
--- a/pkgs/tools/networking/netboot/default.nix
+++ b/pkgs/tools/networking/netboot/default.nix
@@ -13,6 +13,10 @@ stdenv.mkDerivation rec {
 
   hardeningDisable = [ "format" ];
 
+  # Disable parallel build, errors:
+  #  link: `parseopt.lo' is not a valid libtool object
+  enableParallelBuilding = false;
+
   meta = with lib; {
     description = "Mini PXE server";
     maintainers = [ maintainers.raskin ];

From 79c5bf1d8655f1a2fa41d892d5e4c94f270060b0 Mon Sep 17 00:00:00 2001
From: FliegendeWurst <2012gdwu+github@posteo.de>
Date: Sat, 29 Jan 2022 11:34:05 +0100
Subject: [PATCH 03/14] ipvsadm: disable parallel build

---
 pkgs/os-specific/linux/ipvsadm/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/os-specific/linux/ipvsadm/default.nix b/pkgs/os-specific/linux/ipvsadm/default.nix
index fbd4d8efdac8..c98816746918 100644
--- a/pkgs/os-specific/linux/ipvsadm/default.nix
+++ b/pkgs/os-specific/linux/ipvsadm/default.nix
@@ -16,6 +16,10 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libnl popt ];
 
+  # Disable parallel build, errors:
+  #  *** No rule to make target 'libipvs/libipvs.a', needed by 'ipvsadm'.  Stop.
+  enableParallelBuilding = false;
+
   preBuild = ''
     makeFlagsArray+=(
       INCLUDE=$(pkg-config --cflags libnl-genl-3.0)

From c4da493b248e4821a99e0855e33ec1869c26cf54 Mon Sep 17 00:00:00 2001
From: FliegendeWurst <2012gdwu+github@posteo.de>
Date: Sat, 29 Jan 2022 11:34:48 +0100
Subject: [PATCH 04/14] ats2: disable parallel build

---
 pkgs/development/compilers/ats2/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/development/compilers/ats2/default.nix b/pkgs/development/compilers/ats2/default.nix
index c75600b5341a..e8c3af5d7e1e 100644
--- a/pkgs/development/compilers/ats2/default.nix
+++ b/pkgs/development/compilers/ats2/default.nix
@@ -36,6 +36,10 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ gmp ];
 
+  # Disable parallel build, errors:
+  #  *** No rule to make target 'patscc.dats', needed by 'patscc_dats.c'.  Stop.
+  enableParallelBuilding = false;
+
   setupHook = with lib;
     let
       hookFiles =

From 32e714161b7478944b089e301739b8bc0dfdf02d Mon Sep 17 00:00:00 2001
From: FliegendeWurst <2012gdwu+github@posteo.de>
Date: Sat, 29 Jan 2022 11:34:56 +0100
Subject: [PATCH 05/14] lazarus-qt: disable parallel build

---
 pkgs/development/compilers/fpc/lazarus.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/development/compilers/fpc/lazarus.nix b/pkgs/development/compilers/fpc/lazarus.nix
index 5cd0609960df..5ddaa7c429f2 100644
--- a/pkgs/development/compilers/fpc/lazarus.nix
+++ b/pkgs/development/compilers/fpc/lazarus.nix
@@ -45,6 +45,10 @@ stdenv.mkDerivation rec {
   ]
   ++ lib.optionals withQt [ libqt5pas qtbase ];
 
+  # Disable parallel build, errors:
+  #  Fatal: (1018) Compilation aborted
+  enableParallelBuilding = false;
+
   nativeBuildInputs = [
     makeWrapper
   ] ++ lib.optional withQt wrapQtAppsHook;

From 3a1c21cd5b6c5ba8c79fa1a3fc10a416644895bd Mon Sep 17 00:00:00 2001
From: FliegendeWurst <2012gdwu+github@posteo.de>
Date: Sat, 29 Jan 2022 11:35:07 +0100
Subject: [PATCH 06/14] hylafaxplus: disable parallel build

---
 pkgs/servers/hylafaxplus/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/servers/hylafaxplus/default.nix b/pkgs/servers/hylafaxplus/default.nix
index 00dfd7c48176..1731da358768 100644
--- a/pkgs/servers/hylafaxplus/default.nix
+++ b/pkgs/servers/hylafaxplus/default.nix
@@ -87,6 +87,10 @@ stdenv.mkDerivation {
     openldap  # optional
     pam  # optional
   ];
+  # Disable parallel build, errors:
+  #  *** No rule to make target '../util/libfaxutil.so.7.0.4', needed by 'faxmsg'.  Stop.
+  enableParallelBuilding = false;
+
   postPatch = ". ${postPatch}";
   dontAddPrefix = true;
   postInstall = ". ${postInstall}";

From a43431f376778b47a3976d3c8cf29eaeb26ad376 Mon Sep 17 00:00:00 2001
From: FliegendeWurst <2012gdwu+github@posteo.de>
Date: Sat, 29 Jan 2022 11:35:18 +0100
Subject: [PATCH 07/14] alliance: disable parallel build

---
 pkgs/applications/science/electronics/alliance/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/applications/science/electronics/alliance/default.nix b/pkgs/applications/science/electronics/alliance/default.nix
index 909a3ec767c6..cf135b9469a7 100644
--- a/pkgs/applications/science/electronics/alliance/default.nix
+++ b/pkgs/applications/science/electronics/alliance/default.nix
@@ -19,6 +19,10 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ libtool automake autoconf flex ];
   buildInputs = [ xorgproto motif libX11 libXt libXpm bison ];
 
+  # Disable parallel build, errors:
+  #  ./pat_decl_y.y:736:5: error: expected '=', ...
+  enableParallelBuilding = false;
+
   ALLIANCE_TOP = placeholder "out";
 
   configureFlags = [

From 91b63fa2086a3fc496694de091316ced51c0cb6d Mon Sep 17 00:00:00 2001
From: FliegendeWurst <2012gdwu+github@posteo.de>
Date: Wed, 2 Feb 2022 11:55:49 +0100
Subject: [PATCH 08/14] patchutils: disable parallel build

---
 pkgs/tools/text/patchutils/generic.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/tools/text/patchutils/generic.nix b/pkgs/tools/text/patchutils/generic.nix
index 923dd06d1826..d1cd4334e119 100644
--- a/pkgs/tools/text/patchutils/generic.nix
+++ b/pkgs/tools/text/patchutils/generic.nix
@@ -15,6 +15,9 @@ stdenv.mkDerivation rec {
   buildInputs = [ perl ] ++ extraBuildInputs;
   hardeningDisable = [ "format" ];
 
+  # tests fail when building in parallel
+  enableParallelBuilding = false;
+
   postInstall = ''
     for bin in $out/bin/{splitdiff,rediff,editdiff,dehtmldiff}; do
       wrapProgram "$bin" \

From 6282d34ad4eeaea6b42a9e5b4fdbf3d4d34bb30a Mon Sep 17 00:00:00 2001
From: FliegendeWurst <2012gdwu+github@posteo.de>
Date: Wed, 2 Feb 2022 11:57:19 +0100
Subject: [PATCH 09/14] ocamlPackages.camlidl: disable parallel build

---
 pkgs/development/tools/ocaml/camlidl/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/development/tools/ocaml/camlidl/default.nix b/pkgs/development/tools/ocaml/camlidl/default.nix
index 36a1c7f755e1..1c3da92273ce 100644
--- a/pkgs/development/tools/ocaml/camlidl/default.nix
+++ b/pkgs/development/tools/ocaml/camlidl/default.nix
@@ -15,6 +15,9 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ ocaml ];
 
+  # build fails otherwise
+  enableParallelBuilding = false;
+
   preBuild = ''
     mv config/Makefile.unix config/Makefile
     substituteInPlace config/Makefile --replace BINDIR=/usr/local/bin BINDIR=$out

From 049e715ba7f5fb00dcf7a064b0f9b559aee52c01 Mon Sep 17 00:00:00 2001
From: FliegendeWurst <2012gdwu+github@posteo.de>
Date: Wed, 2 Feb 2022 11:59:01 +0100
Subject: [PATCH 10/14] deadpixi-sam: disable parallel build

---
 pkgs/applications/editors/deadpixi-sam/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/applications/editors/deadpixi-sam/default.nix b/pkgs/applications/editors/deadpixi-sam/default.nix
index e17fb402ed38..3f84666fe029 100644
--- a/pkgs/applications/editors/deadpixi-sam/default.nix
+++ b/pkgs/applications/editors/deadpixi-sam/default.nix
@@ -20,6 +20,8 @@ stdenv.mkDerivation rec {
   CFLAGS = "-D_DARWIN_C_SOURCE";
   makeFlags = [ "DESTDIR=$(out)" ];
   buildInputs = [ libX11 libXi libXt libXft ];
+  # build fails when run in parallel
+  enableParallelBuilding = false;
 
   postInstall = ''
     mkdir -p $out/share/applications

From 3d6155a8a7837bef5288643c9b2cdd95b40da4e2 Mon Sep 17 00:00:00 2001
From: FliegendeWurst <2012gdwu+github@posteo.de>
Date: Wed, 2 Feb 2022 12:03:03 +0100
Subject: [PATCH 11/14] cdesktopenv: disable parallel build

---
 pkgs/desktops/cdesktopenv/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/desktops/cdesktopenv/default.nix b/pkgs/desktops/cdesktopenv/default.nix
index 7715f4f232ad..71b661f1265b 100644
--- a/pkgs/desktops/cdesktopenv/default.nix
+++ b/pkgs/desktops/cdesktopenv/default.nix
@@ -46,6 +46,8 @@ in stdenv.mkDerivation rec {
     bison ncompress gawk autoPatchelfHook makeWrapper fakeroot
     rpcsvc-proto
   ];
+  # build fails otherwise
+  enableParallelBuilding = false;
 
   makeFlags = [
     "World"

From 3b31741229a12f851904f42ef26f78dd24f55725 Mon Sep 17 00:00:00 2001
From: FliegendeWurst <2012gdwu+github@posteo.de>
Date: Wed, 2 Feb 2022 12:09:32 +0100
Subject: [PATCH 12/14] ocamlPackages.stdcompat: disable parallel build

---
 pkgs/development/ocaml-modules/stdcompat/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/development/ocaml-modules/stdcompat/default.nix b/pkgs/development/ocaml-modules/stdcompat/default.nix
index df5c1a58b17b..2e6266957148 100644
--- a/pkgs/development/ocaml-modules/stdcompat/default.nix
+++ b/pkgs/development/ocaml-modules/stdcompat/default.nix
@@ -12,6 +12,8 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = [ ocaml findlib ];
+  # build fails otherwise
+  enableParallelBuilding = false;
 
   configureFlags = "--libdir=$(OCAMLFIND_DESTDIR)";
 

From 6f930f18f041ea291e2878229e747c5eaded49d0 Mon Sep 17 00:00:00 2001
From: FliegendeWurst <2012gdwu+github@posteo.de>
Date: Wed, 2 Feb 2022 12:14:36 +0100
Subject: [PATCH 13/14] ocamlPackages.camlp4: disable parallel build

---
 pkgs/development/tools/ocaml/camlp4/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/development/tools/ocaml/camlp4/default.nix b/pkgs/development/tools/ocaml/camlp4/default.nix
index acf1730af1bc..97a769628fe0 100644
--- a/pkgs/development/tools/ocaml/camlp4/default.nix
+++ b/pkgs/development/tools/ocaml/camlp4/default.nix
@@ -55,6 +55,9 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ which ocaml ocamlbuild ];
 
+  # build fails otherwise
+  enableParallelBuilding = false;
+
   dontAddPrefix = true;
 
   preConfigure = ''

From ccc26c651f3615f73a4ddee0dccbdadcc1d0c89d Mon Sep 17 00:00:00 2001
From: FliegendeWurst <2012gdwu+github@posteo.de>
Date: Wed, 2 Feb 2022 12:19:55 +0100
Subject: [PATCH 14/14] mlton: disable parallel build

---
 pkgs/development/compilers/mlton/from-git-source.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/development/compilers/mlton/from-git-source.nix b/pkgs/development/compilers/mlton/from-git-source.nix
index ec0b96bbf23a..b91e6c7480da 100644
--- a/pkgs/development/compilers/mlton/from-git-source.nix
+++ b/pkgs/development/compilers/mlton/from-git-source.nix
@@ -21,6 +21,9 @@ stdenv.mkDerivation {
 
   buildInputs = [mltonBootstrap gmp];
 
+  # build fails otherwise
+  enableParallelBuilding = false;
+
   preBuild = ''
     find . -type f | grep -v -e '\.tgz''$' | xargs sed -i "s@/usr/bin/env bash@$(type -p bash)@"
     sed -i "s|/tmp|$TMPDIR|" bin/regression