refactor: move lapack patches to its own file (#72)

Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>

Author: f0rmiga

examples/lapack/patches.bzl

@@ -0,0 +1,55 @@
+# Copyright (c) Joby Aviation 2022
+# Original authors: Thulio Ferraz Assis (thulio@aspect.dev), Aspect.dev
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""This module provides patches for LAPACK archive.
+"""
+
+# make.inc is required to be present when calling `make` to build LAPACK.
+# We override these values with arguments and environment variables passed to
+# the build action, so this file remains static for determinism during build.
+_create_make_inc = """\
+cat > make.inc <<EOF
+####################################################################
+#  LAPACK make include file.                                       #
+####################################################################
+
+SHELL = $0
+
+CC ?=
+
+FC ?=
+FFLAGS ?=
+FFLAGS_DRV ?=
+FFLAGS_NOOPT ?=
+
+LDFLAGS ?=
+
+AR ?=
+ARFLAGS = cr
+RANLIB = echo
+
+BLASLIB ?=
+CBLASLIB ?=
+LAPACKLIB ?=
+TMGLIB ?=
+LAPACKELIB ?=
+
+DOCSDIR ?=
+
+TIMER ?=
+EOF
+"""
+
+LAPACK_PATCHES = [_create_make_inc]

internal.bzl

@@ -18,6 +18,8 @@
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 load("@bazel_tools//tools/build_defs/repo:utils.bzl", "maybe")
 
+load("//examples/lapack:patches.bzl", "LAPACK_PATCHES")
+
 # buildifier: disable=function-docstring
 def internal_dependencies():
     maybe(
@@ -59,38 +61,7 @@ def internal_dependencies():
         http_archive,
         name = "lapack",
         build_file_content = _ALL_SRCS,
-        patch_cmds = ["""\
-cat > make.inc <<EOF
-####################################################################
-#  LAPACK make include file.                                       #
-####################################################################
-
-SHELL = $0
-
-CC ?=
-
-FC ?=
-FFLAGS ?=
-FFLAGS_DRV ?=
-FFLAGS_NOOPT ?=
-
-LDFLAGS ?=
-
-AR ?=
-ARFLAGS = cr
-RANLIB = echo
-
-BLASLIB ?=
-CBLASLIB ?=
-LAPACKLIB ?=
-TMGLIB ?=
-LAPACKELIB ?=
-
-DOCSDIR ?=
-
-TIMER ?=
-EOF
-"""],
+        patch_cmds = LAPACK_PATCHES,
         sha256 = "cd005cd021f144d7d5f7f33c943942db9f03a28d110d6a3b80d718a295f7f714",
         strip_prefix = "lapack-3.10.1",
         url = "https://github.com/Reference-LAPACK/lapack/archive/refs/tags/v3.10.1.tar.gz",