From 01f6be8b095b41db30dc17c730aec05144226988 Mon Sep 17 00:00:00 2001
From: "Alex Xu (Hello71)" <alex_y_xu@yahoo.ca>
Date: Fri, 13 May 2022 12:33:42 -0400
Subject: app-arch/7-zip: fix aes asm, add -fno-strict-aliasing

---
 app-arch/7-zip/7-zip-21.07-r1.ebuild      | 56 -----------------------------
 app-arch/7-zip/7-zip-21.07-r2.ebuild      | 59 +++++++++++++++++++++++++++++++
 app-arch/7-zip/files/7-zip-less-asm.patch | 41 +++++++++++++++++++++
 profiles/package.use.mask                 |  3 --
 4 files changed, 100 insertions(+), 59 deletions(-)
 delete mode 100644 app-arch/7-zip/7-zip-21.07-r1.ebuild
 create mode 100644 app-arch/7-zip/7-zip-21.07-r2.ebuild
 create mode 100644 app-arch/7-zip/files/7-zip-less-asm.patch

diff --git a/app-arch/7-zip/7-zip-21.07-r1.ebuild b/app-arch/7-zip/7-zip-21.07-r1.ebuild
deleted file mode 100644
index 7154c6c..0000000
--- a/app-arch/7-zip/7-zip-21.07-r1.ebuild
+++ /dev/null
@@ -1,56 +0,0 @@
-# Copyright 2021 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-inherit toolchain-funcs
-
-MY_PV=${PV%%_*}
-MY_PV=${MY_PV//./}
-
-DESCRIPTION="File archiver with a high compression ratio"
-HOMEPAGE="https://7-zip.org/"
-SRC_URI="https://7-zip.org/a/7z${MY_PV}-src.tar.xz"
-
-LICENSE="LGPL-2.1+ BSD rar? ( unRAR )"
-SLOT="0"
-KEYWORDS="~amd64 ~x86"
-IUSE="+asm rar"
-
-BDEPEND="
-	asm? ( dev-lang/jwasm )
-"
-RDEPEND="!app-arch/p7zip"
-
-S=${WORKDIR}
-
-PATCHES=( ${FILESDIR}/7-zip-flags.patch )
-
-src_compile() {
-	cd CPP/7zip/Bundles/Alone2 || die
-	local myemakeargs=(
-		CC="$(tc-getCC) ${CFLAGS} ${LDFLAGS}"
-		CXX="$(tc-getCXX) ${CXXFLAGS} ${LDFLAGS}"
-	)
-	if use asm; then
-		myemakeargs+=(USE_ASM=1 USE_JWASM=1)
-		if use amd64; then
-			myemakeargs+=(IS_X64=1)
-		elif use arm64; then
-			myemakeargs+=(IS_ARM64=1)
-		elif use x86; then
-			myemakeargs+=(IS_X86=1)
-		else
-			einfo "asm is not supported on this arch, ignoring"
-		fi
-	fi
-	use rar || myemakeargs+=(DISABLE_RAR=1)
-	mkdir -p b/g || die
-	emake -f ../../cmpl_gcc.mak "${myemakeargs[@]}"
-}
-
-src_install() {
-	dobin CPP/7zip/Bundles/Alone2/b/g/7zz
-	dosym 7zz /usr/bin/7z
-	dodoc DOC/*
-}
diff --git a/app-arch/7-zip/7-zip-21.07-r2.ebuild b/app-arch/7-zip/7-zip-21.07-r2.ebuild
new file mode 100644
index 0000000..81229fc
--- /dev/null
+++ b/app-arch/7-zip/7-zip-21.07-r2.ebuild
@@ -0,0 +1,59 @@
+# Copyright 2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit toolchain-funcs
+
+MY_PV=${PV%%_*}
+MY_PV=${MY_PV//./}
+
+DESCRIPTION="File archiver with a high compression ratio"
+HOMEPAGE="https://7-zip.org/"
+SRC_URI="https://7-zip.org/a/7z${MY_PV}-src.tar.xz"
+
+LICENSE="LGPL-2.1+ BSD rar? ( unRAR )"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE="+asm rar"
+
+BDEPEND="
+	asm? ( dev-lang/jwasm )
+"
+RDEPEND="!app-arch/p7zip"
+
+S=${WORKDIR}
+
+PATCHES=(
+	"${FILESDIR}/7-zip-flags.patch"
+	"${FILESDIR}/7-zip-less-asm.patch"
+)
+
+src_compile() {
+	cd CPP/7zip/Bundles/Alone2 || die
+	local myemakeargs=(
+		CC="$(tc-getCC) ${CFLAGS} -fno-strict-aliasing ${LDFLAGS}"
+		CXX="$(tc-getCXX) ${CXXFLAGS} -fno-strict-aliasing ${LDFLAGS}"
+	)
+	if use asm; then
+		myemakeargs+=(USE_ASM=1 USE_JWASM=1)
+		if use amd64; then
+			myemakeargs+=(IS_X64=1)
+		elif use arm64; then
+			myemakeargs+=(IS_ARM64=1)
+		elif use x86; then
+			myemakeargs+=(IS_X86=1)
+		else
+			einfo "asm is not supported on this arch, ignoring"
+		fi
+	fi
+	use rar || myemakeargs+=(DISABLE_RAR=1)
+	mkdir -p b/g || die
+	emake -f ../../cmpl_gcc.mak "${myemakeargs[@]}"
+}
+
+src_install() {
+	dobin CPP/7zip/Bundles/Alone2/b/g/7zz
+	dosym 7zz /usr/bin/7z
+	dodoc DOC/*
+}
diff --git a/app-arch/7-zip/files/7-zip-less-asm.patch b/app-arch/7-zip/files/7-zip-less-asm.patch
new file mode 100644
index 0000000..040b445
--- /dev/null
+++ b/app-arch/7-zip/files/7-zip-less-asm.patch
@@ -0,0 +1,41 @@
+--- a/CPP/7zip/7zip_gcc.mak	2021-12-25 09:00:00.000000000 -0500
++++ b/CPP/7zip/7zip_gcc.mak	2022-05-13 12:20:17.539629635 -0400
+@@ -1127,21 +1127,6 @@
+ endif
+ endif
+ 
+-ifdef USE_X86_ASM
+-$O/7zCrcOpt.o: ../../../../Asm/x86/7zCrcOpt.asm
+-	$(MY_ASM) $(AFLAGS) $<
+-$O/XzCrc64Opt.o: ../../../../Asm/x86/XzCrc64Opt.asm
+-	$(MY_ASM) $(AFLAGS) $<
+-$O/Sha1Opt.o: ../../../../Asm/x86/Sha1Opt.asm
+-	$(MY_ASM) $(AFLAGS) $<
+-$O/Sha256Opt.o: ../../../../Asm/x86/Sha256Opt.asm
+-	$(MY_ASM) $(AFLAGS) $<
+-
+-ifndef USE_JWASM
+-USE_X86_ASM_AES=1
+-endif
+-
+-else
+ $O/7zCrcOpt.o: ../../../../C/7zCrcOpt.c
+ 	$(CC) $(CFLAGS) $<
+ $O/XzCrc64Opt.o: ../../../../C/XzCrc64Opt.c
+@@ -1150,16 +1135,10 @@
+ 	$(CC) $(CFLAGS) $<
+ $O/Sha256Opt.o: ../../../../C/Sha256Opt.c
+ 	$(CC) $(CFLAGS) $<
+-endif
+ 
+ 
+-ifdef USE_X86_ASM_AES
+-$O/AesOpt.o: ../../../../Asm/x86/AesOpt.asm
+-	$(MY_ASM) $(AFLAGS) $<
+-else
+ $O/AesOpt.o: ../../../../C/AesOpt.c
+ 	$(CC) $(CFLAGS) $<
+-endif
+ 
+ 
+ ifdef USE_X64_ASM
diff --git a/profiles/package.use.mask b/profiles/package.use.mask
index 5402ef5..12ac400 100644
--- a/profiles/package.use.mask
+++ b/profiles/package.use.mask
@@ -11,6 +11,3 @@ dev-java/openj9-openjdk jbootstrap
 
 # not implemented yet
 dev-java/openj9-openjdk javafx
-
-# some AES decryptions cause wrong password
-app-arch/7-zip asm
-- 
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