uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/compilers/julia/patches/1.0/use-system-utf8proc-julia-1.0.patch

@@ -0,0 +1,29 @@
+From 54a66b5728ec98f44a1768f064509be4fd3f2ef6 Mon Sep 17 00:00:00 2001
+From: Thomas Tuegel <ttuegel@gmail.com>
+Date: Sat, 10 Oct 2015 13:09:48 -0500
+Subject: [PATCH 1/3] use system utf8proc
+
+---
+ src/flisp/Makefile | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/src/flisp/Makefile b/src/flisp/Makefile
+index bec8624..5437b5c 100644
+--- a/src/flisp/Makefile
++++ b/src/flisp/Makefile
+@@ -24,9 +24,9 @@ DOBJS = $(SRCS:%.c=$(BUILDDIR)/%.dbg.obj)
+ LLTDIR := ../support
+ LLT_release := $(BUILDDIR)/$(LLTDIR)/libsupport.a
+ LLT_debug := $(BUILDDIR)/$(LLTDIR)/libsupport-debug.a
+-LIBFILES_release := $(LLT_release) $(LIBUV) $(LIBUTF8PROC)
+-LIBFILES_debug := $(LLT_debug) $(LIBUV) $(LIBUTF8PROC)
+-LIBS :=
++LIBFILES_release := $(LLT_release) $(LIBUV)
++LIBFILES_debug := $(LLT_debug) $(LIBUV)
++LIBS := $(LIBUTF8PROC)
+ ifneq ($(OS),WINNT)
+ LIBS += -lpthread
+ endif
+-- 
+2.5.2
+

pkgs/development/compilers/julia/patches/1.5/use-system-utf8proc-julia-1.3.patch

@@ -0,0 +1,24 @@
+---
+ src/flisp/Makefile | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+
+diff --git a/src/flisp/Makefile b/src/flisp/Makefile
+index d97075e..6bebca7 100644
+--- a/src/flisp/Makefile
++++ b/src/flisp/Makefile
+@@ -32,9 +32,9 @@ OBJS := $(SRCS:%.c=$(BUILDDIR)/%.o)
+ DOBJS := $(SRCS:%.c=$(BUILDDIR)/%.dbg.obj)
+ LLT_release := $(LLT_BUILDDIR)/libsupport.a
+ LLT_debug := $(LLT_BUILDDIR)/libsupport-debug.a
+-LIBFILES_release := $(LLT_release) $(LIBUV) $(LIBUTF8PROC)
+-LIBFILES_debug := $(LLT_debug) $(LIBUV) $(LIBUTF8PROC)
+-LIBS :=
++LIBFILES_release := $(LLT_release) $(LIBUV)
++LIBFILES_debug := $(LLT_debug) $(LIBUV)
++LIBS := $(LIBUTF8PROC)
+ ifneq ($(OS),WINNT)
+ LIBS += -lpthread
+ endif
+
+-- 

pkgs/development/compilers/julia/patches/1.6-bin/0005-nix-Enable-parallel-unit-tests-for-sandbox.patch

@@ -0,0 +1,30 @@
+From 44c2c979c4f2222567ce65f506cf47fb87482348 Mon Sep 17 00:00:00 2001
+From: Pontus Stenetorp <pontus@stenetorp.se>
+Date: Thu, 8 Apr 2021 04:37:44 +0000
+Subject: [PATCH 5/6] nix: Enable parallel unit tests for sandbox
+
+Disabled by default due to lack of networking in the Nix sandbox. This
+greatly speeds up the build process on a multi-core system.
+---
+ test/runtests.jl | 5 +++--
+ 1 file changed, 3 insertions(+), 2 deletions(-)
+
+diff --git a/test/runtests.jl b/test/runtests.jl
+index 2f9cd058bb..2f8c19fa32 100644
+--- a/test/runtests.jl
++++ b/test/runtests.jl
+@@ -83,8 +83,9 @@ prepend!(tests, linalg_tests)
+ import LinearAlgebra
+ cd(@__DIR__) do
+     n = 1
+-    if net_on
+-        n = min(Sys.CPU_THREADS, length(tests))
++    if net_on || haskey(ENV, "NIX_BUILD_CORES")
++        x = haskey(ENV, "NIX_BUILD_CORES") ? parse(Int, ENV["NIX_BUILD_CORES"]) : Sys.CPU_THREADS
++        n = min(x, Sys.CPU_THREADS, length(tests))
+         n > 1 && addprocs_with_testenv(n)
+         LinearAlgebra.BLAS.set_num_threads(1)
+     end
+-- 
+2.29.3
+

pkgs/development/compilers/julia/patches/1.7-bin/0005-nix-Enable-parallel-unit-tests-for-sandbox.patch

@@ -0,0 +1,30 @@
+From 44c2c979c4f2222567ce65f506cf47fb87482348 Mon Sep 17 00:00:00 2001
+From: Pontus Stenetorp <pontus@stenetorp.se>
+Date: Thu, 8 Apr 2021 04:37:44 +0000
+Subject: [PATCH 5/6] nix: Enable parallel unit tests for sandbox
+
+Disabled by default due to lack of networking in the Nix sandbox. This
+greatly speeds up the build process on a multi-core system.
+---
+ test/runtests.jl | 5 +++--
+ 1 file changed, 3 insertions(+), 2 deletions(-)
+
+diff --git a/test/runtests.jl b/test/runtests.jl
+index 2f9cd058bb..2f8c19fa32 100644
+--- a/test/runtests.jl
++++ b/test/runtests.jl
+@@ -83,8 +83,9 @@ prepend!(tests, linalg_tests)
+ import LinearAlgebra
+ cd(@__DIR__) do
+     n = 1
+-    if net_on
+-        n = min(Sys.CPU_THREADS, length(tests))
++    if net_on || haskey(ENV, "NIX_BUILD_CORES")
++        x = haskey(ENV, "NIX_BUILD_CORES") ? parse(Int, ENV["NIX_BUILD_CORES"]) : Sys.CPU_THREADS
++        n = min(x, Sys.CPU_THREADS, length(tests))
+         n > 1 && addprocs_with_testenv(n)
+         LinearAlgebra.BLAS.set_num_threads(1)
+     end
+-- 
+2.29.3
+