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52a5344501
openwrt/tools/elfutils/patches/100-portability.patch
Michael Pratt 52a5344501 tools/elfutils: split upstreamable parts of portability patch 
The addition of LT_INIT as well as the adjustment of
the BUILD_STATIC and addition of the BUILD_SHARED conditionals
and their usage to block building of shared objects
and adjust the variables for building static libraries
is potentially upstream-friendly.

The use of a manifest file to keep a list
of the objects in each library instead of calling ar
is also potentially upstream-friendly.

Separate these changes from the macOS-specific hacks.

Signed-off-by: Michael Pratt <mcpratt@pm.me>
Link: https://github.com/openwrt/openwrt/pull/15690
Signed-off-by: Robert Marko <robimarko@gmail.com>
2024-06-19 11:22:13 +02:00

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--- a/configure.ac
+++ b/configure.ac
@@ -44,6 +44,7 @@ fi
AC_CONFIG_AUX_DIR([config])
AC_CONFIG_FILES([config/Makefile])
+AC_CONFIG_FILES([libgnu/Makefile])
AC_COPYRIGHT([Copyright (C) 1996-2024 The elfutils developers.])
AC_PREREQ(2.63) dnl Minimum Autoconf version required.
@@ -88,11 +89,14 @@ AS_IF([test "$use_locks" = yes],
AH_TEMPLATE([USE_LOCKS], [Defined if libraries should be thread-safe.])
+AC_USE_SYSTEM_EXTENSIONS()
+
m4_version_prereq([2.70], [AC_PROG_CC], [AC_PROG_CC_C99])
AC_PROG_CXX
AC_PROG_RANLIB
AC_PROG_YACC
AC_PROG_LEX([noyywrap])
+gl_EARLY
# Only available since automake 1.12
m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
AC_CHECK_TOOL([READELF], [readelf])
@@ -635,6 +639,8 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([])],
CFLAGS="$old_CFLAGS"])
AS_IF([test "x$ac_cv_fno_addrsig" = "xyes"], CFLAGS="$CFLAGS -fno-addrsig")
+gl_INIT
+
saved_LIBS="$LIBS"
AC_SEARCH_LIBS([argp_parse], [argp])
LIBS="$saved_LIBS"
--- a/lib/eu-config.h
+++ b/lib/eu-config.h
@@ -59,14 +59,18 @@
# define once(once_control, init_routine) init_routine()
#endif /* USE_LOCKS */
-#include <libintl.h>
+#include <gettext.h>
/* gettext helper macros. */
#define N_(Str) Str
#define _(Str) dgettext ("elfutils", Str)
/* Compiler-specific definitions. */
+#ifdef __APPLE__
+#define strong_alias(name, aliasname)
+#else
#define strong_alias(name, aliasname) \
extern __typeof (name) aliasname __attribute__ ((alias (#name)));
+#endif
#ifdef __i386__
# define internal_function __attribute__ ((regparm (3), stdcall))
@@ -77,7 +81,7 @@
#define internal_strong_alias(name, aliasname) \
extern __typeof (name) aliasname __attribute__ ((alias (#name))) internal_function;
-#ifdef HAVE_VISIBILITY
+#if defined(HAVE_VISIBILITY) && !defined(__APPLE__)
#define attribute_hidden \
__attribute__ ((visibility ("hidden")))
#else
@@ -166,7 +170,7 @@ asm (".section predict_data, \"aw\"; .pr
#endif
/* Avoid PLT entries. */
-#ifdef PIC
+#if defined(PIC) && !defined(__APPLE__)
# define INTUSE(name) _INTUSE(name)
# define _INTUSE(name) __##name##_internal
# define INTDEF(name) _INTDEF(name)
--- a/backends/i386_auxv.c
+++ b/backends/i386_auxv.c
@@ -48,5 +48,4 @@ EBLHOOK(auxv_info) (GElf_Xword a_type, c
return 1;
}
-__typeof (i386_auxv_info) x86_64_auxv_info
- __attribute__ ((alias ("i386_auxv_info")));
+auxv_info_alias(x86_64)
--- a/backends/ppc_regs.c
+++ b/backends/ppc_regs.c
@@ -204,5 +204,11 @@ ppc_register_info (Ebl *ebl __attribute_
return namelen;
}
-__typeof (ppc_register_info)
- ppc64_register_info __attribute__ ((alias ("ppc_register_info")));
+ssize_t
+ppc64_register_info (Ebl *ebl,
+ int regno, char *name, size_t namelen,
+ const char **prefix, const char **setname,
+ int *bits, int *type)
+{
+ return ppc_register_info(ebl, regno, name, namelen, prefix, setname, bits, type);
+}
--- a/backends/libebl_CPU.h
+++ b/backends/libebl_CPU.h
@@ -97,4 +97,10 @@ dwarf_is_pointer (int tag)
case DW_TAG_reference_type: \
case DW_TAG_rvalue_reference_type
+#define auxv_info_alias(arch) \
+ int EBLHOOK_1(arch ## _, auxv_info) (GElf_Xword a_type, const char **name, const char **format) \
+ { \
+ return EBLHOOK(auxv_info)(a_type, name, format); \
+ }
+
#endif /* libebl_CPU.h */
--- a/backends/ppc_auxv.c
+++ b/backends/ppc_auxv.c
@@ -51,5 +51,4 @@ EBLHOOK(auxv_info) (GElf_Xword a_type, c
return 1;
}
-__typeof (ppc_auxv_info) ppc64_auxv_info
- __attribute__ ((alias ("ppc_auxv_info")));
+auxv_info_alias(ppc64)
--- a/backends/ppc_cfi.c
+++ b/backends/ppc_cfi.c
@@ -72,6 +72,7 @@ ppc_abi_cfi (Ebl *ebl __attribute__ ((un
return 0;
}
-__typeof (ppc_abi_cfi)
- ppc64_abi_cfi
- __attribute__ ((alias ("ppc_abi_cfi")));
+int ppc64_abi_cfi(Ebl *ebl, Dwarf_CIE *abi_info)
+{
+ return ppc_abi_cfi(ebl, abi_info);
+}
--- a/backends/ppc_initreg.c
+++ b/backends/ppc_initreg.c
@@ -68,9 +68,10 @@ ppc_dwarf_to_regno (Ebl *ebl __attribute
abort ();
}
-__typeof (ppc_dwarf_to_regno)
- ppc64_dwarf_to_regno
- __attribute__ ((alias ("ppc_dwarf_to_regno")));
+bool ppc64_dwarf_to_regno (Ebl *ebl, unsigned *regno)
+{
+ return ppc_dwarf_to_regno(ebl, regno);
+}
bool
ppc_set_initial_registers_tid (pid_t tid __attribute__ ((unused)),
@@ -127,6 +128,7 @@ ppc_set_initial_registers_tid (pid_t tid
#endif /* __powerpc__ */
}
-__typeof (ppc_set_initial_registers_tid)
- ppc64_set_initial_registers_tid
- __attribute__ ((alias ("ppc_set_initial_registers_tid")));
+bool ppc64_set_initial_registers_tid(pid_t tid, ebl_tid_registers_t *setfunc, void *arg)
+{
+ return ppc_set_initial_registers_tid(tid, setfunc, arg);
+}
--- a/backends/ppc_attrs.c
+++ b/backends/ppc_attrs.c
@@ -81,6 +81,9 @@ ppc_check_object_attribute (Ebl *ebl __a
return false;
}
-__typeof (ppc_check_object_attribute)
- ppc64_check_object_attribute
- __attribute__ ((alias ("ppc_check_object_attribute")));
+bool ppc64_check_object_attribute(Ebl *ebl,
+ const char *vendor, int tag, uint64_t value,
+ const char **tag_name, const char **value_name)
+{
+ return ppc_check_object_attribute(ebl, vendor, tag, value, tag_name, value_name);
+}
--- a/libdwfl/libdwflP.h
+++ b/libdwfl/libdwflP.h
@@ -31,6 +31,7 @@
#include <libdwfl.h>
#include <libebl.h>
+#include <libeu.h>
#include <assert.h>
#include <dirent.h>
#include <errno.h>
--- /dev/null
+++ b/lib/stdio_ext.h
@@ -0,0 +1,6 @@
+#include <stdio.h>
+#ifndef __APPLE__
+#include_next <stdio_ext.h>
+#else
+#define __fsetlocking(...) 0
+#endif
--- a/libdw/libdwP.h
+++ b/libdw/libdwP.h
@@ -32,6 +32,7 @@
#include <stdbool.h>
#include <pthread.h>
+#include <libeu.h>
#include <libdw.h>
#include <dwarf.h>
--- a/config/libelf.pc.in
+++ b/config/libelf.pc.in
@@ -8,7 +8,7 @@ Description: elfutils libelf library to
Version: @VERSION@
URL: http://elfutils.org/
-Libs: -L${libdir} -lelf
+Libs: -L${libdir} -lelf -lz
Cflags: -I${includedir}
Requires.private: zlib @LIBZSTD@
--- a/lib/next_prime.c
+++ b/lib/next_prime.c
@@ -27,6 +27,7 @@
the GNU Lesser General Public License along with this program. If
not, see <http://www.gnu.org/licenses/>. */
+#include <config.h>
#include <stddef.h>
--- a/libebl/eblopenbackend.c
+++ b/libebl/eblopenbackend.c
@@ -200,8 +200,6 @@ static bool default_object_note (const c
uint32_t descsz, const char *desc);
static bool default_debugscn_p (const char *name);
static bool default_copy_reloc_p (int reloc);
-static bool default_none_reloc_p (int reloc);
-static bool default_relative_reloc_p (int reloc);
static bool default_check_special_symbol (Elf *elf,
const GElf_Sym *sym,
const char *name,
@@ -253,8 +251,8 @@ fill_defaults (Ebl *result)
result->object_note = default_object_note;
result->debugscn_p = default_debugscn_p;
result->copy_reloc_p = default_copy_reloc_p;
- result->none_reloc_p = default_none_reloc_p;
- result->relative_reloc_p = default_relative_reloc_p;
+ result->none_reloc_p = default_copy_reloc_p;
+ result->relative_reloc_p = default_copy_reloc_p;
result->check_special_symbol = default_check_special_symbol;
result->data_marker_symbol = default_data_marker_symbol;
result->check_st_other_bits = default_check_st_other_bits;
@@ -636,8 +634,6 @@ default_copy_reloc_p (int reloc __attrib
{
return false;
}
-strong_alias (default_copy_reloc_p, default_none_reloc_p)
-strong_alias (default_copy_reloc_p, default_relative_reloc_p)
static bool
default_check_special_symbol (Elf *elf __attribute__ ((unused)),
--- a/src/srcfiles.cxx
+++ b/src/srcfiles.cxx
@@ -78,7 +78,9 @@ ARGP_PROGRAM_VERSION_HOOK_DEF = print_ve
/* Bug report address. */
ARGP_PROGRAM_BUG_ADDRESS_DEF = PACKAGE_BUGREPORT;
+#ifdef HAVE_LIBARCHIVE
constexpr size_t BUFFER_SIZE = 8192;
+#endif
/* Definitions of arguments for argp functions. */
static const struct argp_option options[] =
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