sys-fs/dd-rescue: Fix building for musl.

The original patch was written by gentoo developer Thomas Deutschmann
<whissi@gentoo.org>, but the patch needed to be rebased. I've added in
my secmem patch inside it (another musl fix for dd-rescue).

Closes: https://bugs.gentoo.org/829285
Signed-off-by: brahmajit das <listout@protonmail.com>
Closes: https://github.com/gentoo/gentoo/pull/26455
Signed-off-by: Sam James <sam@gentoo.org>

3 files changed, 257 insertions, 1 deletions

diff --git a/sys-fs/dd-rescue/dd-rescue-1.99.13-r1.ebuild b/sys-fs/dd-rescue/dd-rescue-1.99.13-r1.ebuild
new file mode 100644
index 000000000000..e36b59fed8a0
--- /dev/null
+++ b/sys-fs/dd-rescue/dd-rescue-1.99.13-r1.ebuild
@@ -0,0 +1,107 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit autotools flag-o-matic toolchain-funcs
+
+MY_PN="${PN/-/_}"
+MY_P="${MY_PN}-${PV}"
+
+DESCRIPTION="Similar to dd but can copy from source with errors"
+HOMEPAGE="http://www.garloff.de/kurt/linux/ddrescue/"
+SRC_URI="http://www.garloff.de/kurt/linux/ddrescue/${MY_P}.tar.bz2"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="amd64 ~arm ~mips ~ppc ~ppc64 ~sparc x86 ~amd64-linux ~x86-linux ~ppc-macos"
+IUSE="cpu_flags_x86_avx2 lzo cpu_flags_x86_sse4_2 static xattr"
+
+RDEPEND="
+	lzo? ( dev-libs/lzo )
+	xattr? ( sys-apps/attr )
+"
+DEPEND="${RDEPEND}"
+
+S="${WORKDIR}/${MY_P}"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-1.99.13-musl.patch
+)
+
+src_prepare() {
+	default
+
+	if ! use cpu_flags_x86_sse4_2; then
+		sed -i \
+			-e 's:^CC_FLAGS_CHECK(-msse4.2,SSE42):#&:' \
+			configure.ac || die
+	fi
+
+	if ! use cpu_flags_x86_avx2; then
+		sed -i \
+			-e 's:^CC_FLAGS_CHECK(-mavx2,AVX2):#&:' \
+			configure.ac || die
+	fi
+
+	eautoreconf
+
+	sed -i \
+		-e 's:\(-ldl\):$(LDFLAGS) \1:' \
+		-e 's:\(-shared\):$(CFLAGS) $(LDFLAGS) \1:' \
+		Makefile || die
+}
+
+src_configure() {
+	use static && append-ldflags -static
+	# OpenSSL is only used by a random helper tool we don't install.
+	ac_cv_header_attr_xattr_h=$(usex xattr) \
+	ac_cv_header_openssl_evp_h=no \
+	ac_cv_lib_crypto_EVP_aes_192_ctr=no \
+	ac_cv_lib_lzo2_lzo1x_1_compress=$(usex lzo) \
+	ac_cv_header_lzo_lzo1x_h=$(usex lzo) \
+	econf
+}
+
+_emake() {
+	local arch
+	case ${ARCH} in
+	x86)   arch=i386;;
+	amd64) arch=x86_64;;
+	arm)   arch=arm;;
+	arm64) arch=aarch64;;
+	esac
+
+	local os=$(usex kernel_linux Linux IDK)
+
+	# The Makefile is a mess.  Override a few vars rather than patch it.
+	emake \
+		MACH="${arch}" \
+		OS="${os}" \
+		HAVE_SSE42=$(usex cpu_flags_x86_sse4_2 1 0) \
+		HAVE_AVX2=$(usex cpu_flags_x86_avx2 1 0) \
+		RPM_OPT_FLAGS="${CFLAGS} ${CPPFLAGS}" \
+		CFLAGS_OPT='$(CFLAGS)' \
+		LDFLAGS="${LDFLAGS} -Wl,-rpath,${EPREFIX}/usr/$(get_libdir)/${PN}" \
+		CC="$(tc-getCC)" \
+		"$@"
+}
+
+src_compile() {
+	_emake
+}
+
+src_test() {
+	append-cflags -fcommon # bug #707796
+	_emake check
+}
+
+src_install() {
+	# easier to install by hand than trying to make sense of the Makefile.
+	dobin dd_rescue
+	dodir /usr/$(get_libdir)/${PN}
+	cp -pPR libddr_*.so "${ED}"/usr/$(get_libdir)/${PN}/ || die
+	dodoc README.dd_rescue
+	doman dd_rescue.1
+	use lzo && doman ddr_lzo.1
+}
diff --git a/sys-fs/dd-rescue/dd-rescue-1.99.13.ebuild b/sys-fs/dd-rescue/dd-rescue-1.99.13.ebuild
index d330001df26d..d0b6a87d18c7 100644
--- a/sys-fs/dd-rescue/dd-rescue-1.99.13.ebuild
+++ b/sys-fs/dd-rescue/dd-rescue-1.99.13.ebuild
@@ -14,7 +14,7 @@ SRC_URI="http://www.garloff.de/kurt/linux/ddrescue/${MY_P}.tar.bz2"
 
 LICENSE="GPL-2"
 SLOT="0"
-KEYWORDS="amd64 ~arm ~mips ~ppc ~ppc64 ~sparc x86 ~amd64-linux ~x86-linux ~ppc-macos"
+KEYWORDS="~amd64 ~arm ~mips ~ppc ~ppc64 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos"
 IUSE="cpu_flags_x86_avx2 lzo cpu_flags_x86_sse4_2 static xattr"
 
 RDEPEND="
@@ -25,6 +25,10 @@ DEPEND="${RDEPEND}"
 
 S="${WORKDIR}/${MY_P}"
 
+PATCHES=(
+	"${FILESDIR}"/${PN}-1.99.13-musl.patch
+)
+
 src_prepare() {
 	default
 
diff --git a/sys-fs/dd-rescue/files/dd-rescue-1.99.13-musl.patch b/sys-fs/dd-rescue/files/dd-rescue-1.99.13-musl.patch
new file mode 100644
index 000000000000..53d8af201280
--- /dev/null
+++ b/sys-fs/dd-rescue/files/dd-rescue-1.99.13-musl.patch
@@ -0,0 +1,145 @@
+# Original patch was created by Thomas Deutschmann <whissi@gentoo.org>, but the
+# patch needed to be rebased. Mainly configure.ac instead of configure.in.
+# The only additional included part is secmem patch.
+#
+# Closes: https://bugs.gentoo.org/829285
+From 69c3974670f5a8ee0f2258f10a9228b39025b464 Mon Sep 17 00:00:00 2001
+From: Thomas Deutschmann <whissi@gentoo.org>
+Date: Wed, 13 Dec 2017 01:02:12 +0100
+Subject: [PATCH] loff_t and __WORDSIZE includes for MUSL
+
+Rewrite of Justin Keogh's patch [Link 1] to fix build problems
+on ARM.
+
+Link 1: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=5f5abc0f1b036921d6eb5b0f434c960ed280619f
+Fixes: https://bugs.gentoo.org/616364
+--- a/configure.ac
++++ b/configure.ac
+@@ -11,7 +11,7 @@ AC_C_INLINE
+
+ #AC_PROG_INSTALL
+ #CFLAGS="$CFLAGS -DHAVE_CONFIG_H"
+-AC_CHECK_HEADERS([fallocate.h dlfcn.h unistd.h sys/xattr.h attr/xattr.h sys/acl.h sys/ioctl.h endian.h linux/fs.h linux/fiemap.h stdint.h lzo/lzo1x.h openssl/evp.h linux/random.h sys/random.h malloc.h sched.h sys/statvfs.h sys/resource.h sys/endian.h linux/swab.h])
++AC_CHECK_HEADERS([fallocate.h dlfcn.h unistd.h sys/xattr.h attr/xattr.h sys/acl.h sys/ioctl.h sys/reg.h endian.h linux/fs.h linux/fiemap.h stdint.h lzo/lzo1x.h openssl/evp.h linux/random.h sys/random.h malloc.h sched.h sys/statvfs.h sys/resource.h sys/endian.h linux/swab.h])
+ AC_CHECK_FUNCS([ffs ffsl basename fallocate64 splice getopt_long open64 pread pread64 lseek64 stat64 posix_fadvise posix_fadvise64 __builtin_prefetch htonl htobe64 feof_unlocked getline getentropy getrandom posix_memalign valloc sched_yield fstatvfs __builtin_cpu_supports getrlimit aligned_alloc])
+ AC_CHECK_LIB(dl,dlsym)
+ AC_CHECK_LIB(fallocate,linux_fallocate64)
+--- a/ddr_ctrl.h
++++ b/ddr_ctrl.h
+@@ -7,6 +7,9 @@
+  *  License: GNU GPLv2 or v3
+  */
+
++#define _GNU_SOURCE
++#include <fcntl.h>
++
+ #ifndef _DDR_CTRL_H
+ #define _DDR_CTRL_H
+
+--- a/ffs.h
++++ b/ffs.h
+@@ -28,6 +28,9 @@
+ #include <endian.h>
+ #endif
+
++#ifdef HAVE_SYS_REG_H
++#include <sys/reg.h>
++#endif
+
+ #ifdef HAVE_FFS
+ # define myffs(x) ffs(x)
+
+--- a/fiemap.h
++++ b/fiemap.h
+@@ -29,5 +29,9 @@
+
+ #endif	/* HAVE_LINUX_FS_H */
+
++#ifdef HAVE_SYS_REG_H
++#include <sys/reg.h>
++#endif
++
+ #endif	/* _FIEMAPH */
+
+--- a/fmt_no.h
++++ b/fmt_no.h
+@@ -1,4 +1,6 @@
+ /** Decl for int to str conversion with highlighting */
++#define _GNU_SOURCE
++#include <fcntl.h>
+
+ #ifndef _FMT_NO_H
+ #define _FMT_NO_H
+
+--- a/fstrim.h
++++ b/fstrim.h
+@@ -1,3 +1,6 @@
++#define _GNU_SOURCE
++#include <fcntl.h>
++
+ #ifndef _FSTRIM_H
+ #define _FSTRIM_H
+
+--- a/libddr_hash.c
++++ b/libddr_hash.c
+@@ -34,6 +34,10 @@
+ #include <unistd.h>
+ #include <fcntl.h>
+
++#ifdef HAVE_SYS_REG_H
++#include <sys/reg.h>
++#endif
++
+ #include <netinet/in.h>	/* For ntohl/htonl */
+ #include <endian.h>
+
+--- a/libddr_lzo.c
++++ b/libddr_lzo.c
+@@ -16,6 +16,9 @@
+ #include "ddr_plugin.h"
+ #include "ddr_ctrl.h"
+
++#ifdef HAVE_SYS_REG_H
++#include <sys/reg.h>
++#endif
+ #include <stdlib.h>
+ #include <string.h>
+ #include <stdint.h>
+
+--- a/libddr_null.c
++++ b/libddr_null.c
+@@ -10,6 +10,9 @@
+ #include "ddr_ctrl.h"
+ #include <string.h>
+ #include <stdlib.h>
++#ifdef HAVE_SYS_REG_H
++#include <sys/reg.h>
++#endif
+
+ /* fwd decl */
+ extern ddr_plugin_t ddr_plug;
+
+--- a/sha512.h
++++ b/sha512.h
+@@ -3,6 +3,10 @@
+
+ #include "hash.h"
+
++#ifdef HAVE_SYS_REG_H
++#include <sys/reg.h>
++#endif
++
+ void sha512_init(hash_t *ctx);
+ void sha384_init(hash_t *ctx);
+ void sha512_128(const uint8_t* msg, hash_t* ctx);
+
+--- a/secmem.c
++++ b/secmem.c
+@@ -15,6 +15,7 @@
+ #endif
+ #ifdef HAVE_SYS_RESOURCE_H
+ # include <sys/resource.h>
++# include <stddef.h>
+ #endif
+
+ static unsigned char *optr;