[PR PATCH] build grub-x86_64-efi for i686

[sgn <sgn@users.noreply.github.com>]

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There is a new pull request by sgn against master on the void-packages repository

https://github.com/sgn/void-packages i686-grub-x86_64-efi
https://github.com/void-linux/void-packages/pull/26895

build grub-x86_64-efi for i686


A patch file from https://github.com/void-linux/void-packages/pull/26895.patch is attached

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From 37186099856c99d4d37696dfcb3947e3f6e2ccec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C4=90o=C3=A0n=20Tr=E1=BA=A7n=20C=C3=B4ng=20Danh?=
 <congdanhqx@gmail.com>
Date: Wed, 2 Dec 2020 19:44:14 +0700
Subject: [PATCH 1/2] cross-x86_64-linux-musl: build for i686*

---
 srcpkgs/cross-x86_64-linux-musl/template | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/srcpkgs/cross-x86_64-linux-musl/template b/srcpkgs/cross-x86_64-linux-musl/template
index 96e6c7feb71e..ac2f22b614c5 100644
--- a/srcpkgs/cross-x86_64-linux-musl/template
+++ b/srcpkgs/cross-x86_64-linux-musl/template
@@ -39,7 +39,9 @@ nostrip_files="libcaf_single.a libgcc.a libgcov.a libgcc_eh.a
  libgnarl_pic.a libgnarl.a libgnat_pic.a libgnat.a libgmem.a"
 depends="${pkgname}-libc-${version}_${revision}"
 
-if [ "$XBPS_TARGET_WORDSIZE" != "64" ]; then
+if [ "${XBPS_TARGET_MACHINE%-musl}" = i686 ]; then
+	:
+elif [ "$XBPS_TARGET_WORDSIZE" != "64" ]; then
 	broken="64-bit crosstoolchain only available on 64-bit host"
 fi
 

From fbf3beb79855860225b38a8321399e4b3da9508d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C4=90o=C3=A0n=20Tr=E1=BA=A7n=20C=C3=B4ng=20Danh?=
 <congdanhqx@gmail.com>
Date: Wed, 2 Dec 2020 19:47:39 +0700
Subject: [PATCH 2/2] grub: build grub-x86_64-efi for i686

---
 srcpkgs/grub/template | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/srcpkgs/grub/template b/srcpkgs/grub/template
index 77c6cfbff2f7..2025286471ac 100644
--- a/srcpkgs/grub/template
+++ b/srcpkgs/grub/template
@@ -1,7 +1,7 @@
 # Template file for 'grub'
 pkgname=grub
 version=2.04
-revision=3
+revision=4
 hostmakedepends="python3 pkg-config flex freetype-devel font-unifont-bdf"
 makedepends="libusb-compat-devel ncurses-devel freetype-devel
  liblzma-devel device-mapper-devel fuse-devel"
@@ -29,8 +29,8 @@ case "$XBPS_TARGET_MACHINE" in
 		CFLAGS="-D_FILE_OFFSET_BITS=64"
 		configure_args+=" ac_cv_sizeof_off_t=8"
 		_NATIVE_PLATFORM=pc
-		_SUPPLEMENTARY_BUILDS="i386-efi i386-coreboot i386-xen"
-		subpackages+=" grub-i386-efi grub-i386-coreboot grub-xen"
+		_SUPPLEMENTARY_BUILDS="i386-efi x86_64-efi i386-coreboot i386-xen"
+		subpackages+=" grub-i386-efi grub-x86_64-efi grub-i386-coreboot grub-xen"
 		;;
 	aarch64*)
 		_NATIVE_PLATFORM=efi
@@ -78,6 +78,11 @@ do_configure() {
 		msg_normal "Configuring ${_TARGET} ${_PLATFORM} grub...\n"
 		mkdir $wrksrc/${_PLATFORM}_${_TARGET}_build
 		cd $wrksrc/${_PLATFORM}_${_TARGET}_build
+		if [ "$_TARGET" = x86_64 ] &&
+		   [ "${XBPS_TARGET_MACHINE%-musl}" = i686 ]; then
+			_TARGET=x86_64-linux-musl
+			CFLAGS="${CFLAGS/-mtune=i686/-mtune=generic}"
+		fi
 		../configure --host=${XBPS_TARGET_MACHINE} --target=${_TARGET} --with-platform=${_PLATFORM} ${configure_args} \
 			--disable-efiemu \
 			--libdir=/usr/lib
@@ -162,7 +167,6 @@ grub-utils_package() {
 	}
 }
 grub-x86_64-efi_package() {
-	archs=noarch
 	depends="grub>=$version dosfstools efibootmgr"
 	short_desc+=" - x86_64 EFI support"
 	pkg_install() {
@@ -170,7 +174,6 @@ grub-x86_64-efi_package() {
 	}
 }
 grub-i386-efi_package() {
-	archs=noarch
 	depends="grub>=$version dosfstools efibootmgr"
 	short_desc+=" - i386 EFI support"
 	pkg_install() {
@@ -178,7 +181,6 @@ grub-i386-efi_package() {
 	}
 }
 grub-i386-coreboot_package() {
-	archs=noarch
 	depends="grub>=$version"
 	short_desc+=" - i386 coreboot support"
 	pkg_install() {
@@ -200,7 +202,6 @@ grub-xen_package() {
 	}
 }
 grub-arm64-efi_package() {
-	archs=noarch
 	depends="grub>=$version dosfstools efibootmgr"
 	short_desc+=" - arm64 EFI support"
 	pkg_install() {
@@ -208,7 +209,6 @@ grub-arm64-efi_package() {
 	}
 }
 grub-powerpc-ieee1275_package() {
-	archs=noarch
 	depends="grub>=$version powerpc-utils"
 	short_desc+=" - powerpc Open Firmware support"
 	pkg_install() {