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elfutils: fix building elfutils-native with GCC7

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This is heavily based on the oe-core master commit with the same
subject, but includes a backport of upstream's fix for the fallthrough
warnings rebased to 0.166 (the oe-core patch which targeted 0.168 did
not apply), a rebase of the format-truncation patch, and a backport of
the upstream format-length patch.

Info from OE-Core master patch follows:

	From OE-Core rev: aaf4c4f3d09ac3897205417eb15e19d54e0c0d05
	From: Joshua Lock <joshua.g.lock@intel.com>

	Backport a fix from upstream for a -Wformat-truncation=2 warning
	and implement a simple fix for a -Wimplicit-fallthrough warning.

	Signed-off-by: Joshua Lock <joshua.g.lock@intel.com>
	Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

(From OE-Core rev: 3b91be97ae8c36cd6bad86fed992efc9800f4c9e)

Signed-off-by: Cody P Schafer <dev@codyps.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Cody P Schafer
2017-06-07 16:36:44 -04:00
committed by Richard Purdie
parent 5f7d84821f
commit 72084f7513
5 changed files with 529 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
meta/recipes-devtools/elfutils/elfutils-0.166/0001-Add-GCC7-Wimplicit-fallthrough-support-fixes.patch
+318
View File
@@ -0,0 +1,318 @@
From 09949994e76eea3c1230a5c88ffa8fdf588b120f Mon Sep 17 00:00:00 2001
From: Mark Wielaard <mjw@redhat.com>
Date: Wed, 2 Nov 2016 13:29:26 +0100
Subject: [PATCH] Add GCC7 -Wimplicit-fallthrough support/fixes.
GCC7 will have a new -Wimplicit-fallthrough warning. It did catch one
small buglet in elflint option procession. So it seems useful to enable
to make sure all swatch case fallthroughs are deliberate.
Add configure check to detect whether gcc support -Wimplicit-fallthrough
and enable it. Add fixes and explicit fallthrough comments where necessary.
Signed-off-by: Mark Wielaard <mjw@redhat.com>
Upstream-Status: Backport
Upstream-Commit: a3cc8182b2ae05290b0eafa74b70746d7befc0e4
---
backends/alpha_retval.c | 4 +---
backends/i386_regs.c | 1 +
backends/i386_retval.c | 3 +--
backends/linux-core-note.c | 4 ++--
backends/ppc_regs.c | 2 +-
backends/x86_64_regs.c | 1 +
config/eu.am | 8 +++++++-
configure.ac | 10 ++++++++++
libcpu/i386_disasm.c | 2 +-
libdw/cfi.c | 2 ++
libdw/encoded-value.h | 1 +
libdwfl/dwfl_report_elf.c | 2 +-
src/addr2line.c | 1 +
src/elfcompress.c | 3 ++-
src/elflint.c | 4 +++-
src/objdump.c | 4 +++-
tests/backtrace-data.c | 1 +
tests/backtrace.c | 2 +-
18 files changed, 40 insertions(+), 15 deletions(-)
diff --git a/backends/alpha_retval.c b/backends/alpha_retval.c
index 53dbfa45..7232b462 100644
--- a/backends/alpha_retval.c
+++ b/backends/alpha_retval.c
@@ -130,9 +130,7 @@ alpha_return_value_location (Dwarf_Die *functypedie, const Dwarf_Op **locp)
return nloc_intreg;
}
}
-
- /* Else fall through. */
-
+ /* Fallthrough */
case DW_TAG_structure_type:
case DW_TAG_class_type:
case DW_TAG_union_type:
diff --git a/backends/i386_regs.c b/backends/i386_regs.c
index fb8ded33..fd963a62 100644
--- a/backends/i386_regs.c
+++ b/backends/i386_regs.c
@@ -92,6 +92,7 @@ i386_register_info (Ebl *ebl __attribute__ ((unused)),
case 5:
case 8:
*type = DW_ATE_address;
+ /* Fallthrough */
case 0 ... 3:
case 6 ... 7:
name[0] = 'e';
diff --git a/backends/i386_retval.c b/backends/i386_retval.c
index 9da797d5..4aa646fe 100644
--- a/backends/i386_retval.c
+++ b/backends/i386_retval.c
@@ -122,9 +122,8 @@ i386_return_value_location (Dwarf_Die *functypedie, const Dwarf_Op **locp)
return nloc_intreg;
if (size <= 8)
return nloc_intregpair;
-
- /* Else fall through. */
}
+ /* Fallthrough */
case DW_TAG_structure_type:
case DW_TAG_class_type:
diff --git a/backends/linux-core-note.c b/backends/linux-core-note.c
index ff2b226f..321721f3 100644
--- a/backends/linux-core-note.c
+++ b/backends/linux-core-note.c
@@ -219,8 +219,8 @@ EBLHOOK(core_note) (const GElf_Nhdr *nhdr, const char *name,
case sizeof "CORE":
if (memcmp (name, "CORE", nhdr->n_namesz) == 0)
break;
- /* Buggy old Linux kernels didn't terminate "LINUX".
- Fall through. */
+ /* Buggy old Linux kernels didn't terminate "LINUX". */
+ /* Fall through. */
case sizeof "LINUX":
if (memcmp (name, "LINUX", nhdr->n_namesz) == 0)
diff --git a/backends/ppc_regs.c b/backends/ppc_regs.c
index 4b92a9aa..bcf4f7a3 100644
--- a/backends/ppc_regs.c
+++ b/backends/ppc_regs.c
@@ -140,7 +140,7 @@ ppc_register_info (Ebl *ebl __attribute__ ((unused)),
case 100:
if (*bits == 32)
return stpcpy (name, "mq") + 1 - name;
-
+ /* Fallthrough */
case 102 ... 107:
name[0] = 's';
name[1] = 'p';
diff --git a/backends/x86_64_regs.c b/backends/x86_64_regs.c
index 2172d9f1..84304407 100644
--- a/backends/x86_64_regs.c
+++ b/backends/x86_64_regs.c
@@ -87,6 +87,7 @@ x86_64_register_info (Ebl *ebl __attribute__ ((unused)),
case 6 ... 7:
*type = DW_ATE_address;
+ /* Fallthrough */
case 0 ... 5:
name[0] = 'r';
name[1] = baseregs[regno][0];
diff --git a/config/eu.am b/config/eu.am
index 4998771d..8fe1e259 100644
--- a/config/eu.am
+++ b/config/eu.am
@@ -61,10 +61,16 @@ else
NULL_DEREFERENCE_WARNING=
endif
+if HAVE_IMPLICIT_FALLTHROUGH_WARNING
+IMPLICIT_FALLTHROUGH_WARNING=-Wimplicit-fallthrough
+else
+IMPLICIT_FALLTHROUGH_WARNING=
+endif
+
AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 \
-Wold-style-definition -Wstrict-prototypes \
$(LOGICAL_OP_WARNING) $(DUPLICATED_COND_WARNING) \
- $(NULL_DEREFERENCE_WARNING) \
+ $(NULL_DEREFERENCE_WARNING) $(IMPLICIT_FALLTHROUGH_WARNING) \
$(if $($(*F)_no_Werror),,-Werror) \
$(if $($(*F)_no_Wunused),,-Wunused -Wextra) \
$(if $($(*F)_no_Wstack_usage),,$(STACK_USAGE_WARNING)) \
diff --git a/configure.ac b/configure.ac
index 86a69c66..35850c64 100644
--- a/configure.ac
+++ b/configure.ac
@@ -336,6 +336,16 @@ CFLAGS="$old_CFLAGS"])
AM_CONDITIONAL(HAVE_NULL_DEREFERENCE_WARNING,
[test "x$ac_cv_null_dereference" != "xno"])
+# -Wimplicit-fallthrough was added by GCC7
+AC_CACHE_CHECK([whether gcc accepts -Wimplicit-fallthrough], ac_cv_implicit_fallthrough, [dnl
+old_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -Wimplicit-fallthrough -Werror"
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([])],
+ ac_cv_implicit_fallthrough=yes, ac_cv_implicit_fallthrough=no)
+CFLAGS="$old_CFLAGS"])
+AM_CONDITIONAL(HAVE_IMPLICIT_FALLTHROUGH_WARNING,
+ [test "x$ac_cv_implicit_fallthrough" != "xno"])
+
dnl Check if we have argp available from our libc
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
diff --git a/libcpu/i386_disasm.c b/libcpu/i386_disasm.c
index 832241f2..1a584635 100644
--- a/libcpu/i386_disasm.c
+++ b/libcpu/i386_disasm.c
@@ -819,7 +819,7 @@ i386_disasm (const uint8_t **startp, const uint8_t *end, GElf_Addr addr,
++param_start;
break;
}
-
+ /* Fallthrough */
default:
assert (! "INVALID not handled");
}
diff --git a/libdw/cfi.c b/libdw/cfi.c
index 1fd668d7..daa845f3 100644
--- a/libdw/cfi.c
+++ b/libdw/cfi.c
@@ -138,6 +138,7 @@ execute_cfi (Dwarf_CFI *cache,
case DW_CFA_advance_loc1:
operand = *program++;
+ /* Fallthrough */
case DW_CFA_advance_loc + 0 ... DW_CFA_advance_loc + CFI_PRIMARY_MAX:
advance_loc:
loc += operand * cie->code_alignment_factor;
@@ -300,6 +301,7 @@ execute_cfi (Dwarf_CFI *cache,
case DW_CFA_restore_extended:
get_uleb128 (operand, program, end);
+ /* Fallthrough */
case DW_CFA_restore + 0 ... DW_CFA_restore + CFI_PRIMARY_MAX:
if (unlikely (abi_cfi) && likely (opcode == DW_CFA_restore))
diff --git a/libdw/encoded-value.h b/libdw/encoded-value.h
index 48d868fb..f0df4cec 100644
--- a/libdw/encoded-value.h
+++ b/libdw/encoded-value.h
@@ -64,6 +64,7 @@ encoded_value_size (const Elf_Data *data, const unsigned char e_ident[],
if (*end++ & 0x80u)
return end - p;
}
+ return 0;
default:
return 0;
diff --git a/libdwfl/dwfl_report_elf.c b/libdwfl/dwfl_report_elf.c
index 1c6e401d..73a5511a 100644
--- a/libdwfl/dwfl_report_elf.c
+++ b/libdwfl/dwfl_report_elf.c
@@ -170,7 +170,7 @@ __libdwfl_elf_address_range (Elf *elf, GElf_Addr base, bool add_p_vaddr,
/* An assigned base address is meaningless for these. */
base = 0;
add_p_vaddr = true;
-
+ /* Fallthrough. */
case ET_DYN:
default:;
size_t phnum;
diff --git a/src/addr2line.c b/src/addr2line.c
index 0ce854f6..bea24aea 100644
--- a/src/addr2line.c
+++ b/src/addr2line.c
@@ -632,6 +632,7 @@ handle_address (const char *string, Dwfl *dwfl)
case 1:
addr = 0;
j = i;
+ /* Fallthrough */
case 2:
if (string[j] != '\0')
break;
diff --git a/src/elfcompress.c b/src/elfcompress.c
index d0ca469c..57afa116 100644
--- a/src/elfcompress.c
+++ b/src/elfcompress.c
@@ -153,7 +153,8 @@ parse_opt (int key, char *arg __attribute__ ((unused)),
argp_error (state,
N_("Only one input file allowed together with '-o'"));
/* We only use this for checking the number of arguments, we don't
- actually want to consume them, so fallthrough. */
+ actually want to consume them. */
+ /* Fallthrough */
default:
return ARGP_ERR_UNKNOWN;
}
diff --git a/src/elflint.c b/src/elflint.c
index 15b12f6f..2c45fcb8 100644
--- a/src/elflint.c
+++ b/src/elflint.c
@@ -210,6 +210,7 @@ parse_opt (int key, char *arg __attribute__ ((unused)),
case 'd':
is_debuginfo = true;
+ break;
case ARGP_gnuld:
gnuld = true;
@@ -3963,6 +3964,7 @@ section [%2zu] '%s': merge flag set but entry size is zero\n"),
case SHT_NOBITS:
if (is_debuginfo)
break;
+ /* Fallthrough */
default:
ERROR (gettext ("\
section [%2zu] '%s' has unexpected type %d for an executable section\n"),
@@ -4305,7 +4307,7 @@ section [%2d] '%s': unknown core file note type %" PRIu32
if (nhdr.n_namesz == sizeof "Linux"
&& !memcmp (data->d_buf + name_offset, "Linux", sizeof "Linux"))
break;
-
+ /* Fallthrough */
default:
if (shndx == 0)
ERROR (gettext ("\
diff --git a/src/objdump.c b/src/objdump.c
index 0aa41e89..94e9e021 100644
--- a/src/objdump.c
+++ b/src/objdump.c
@@ -234,7 +234,9 @@ parse_opt (int key, char *arg,
program_invocation_short_name);
exit (EXIT_FAILURE);
}
-
+ /* We only use this for checking the number of arguments, we don't
+ actually want to consume them. */
+ /* Fallthrough */
default:
return ARGP_ERR_UNKNOWN;
}
diff --git a/tests/backtrace-data.c b/tests/backtrace-data.c
index bc5ceba0..b7158dae 100644
--- a/tests/backtrace-data.c
+++ b/tests/backtrace-data.c
@@ -250,6 +250,7 @@ thread_callback (Dwfl_Thread *thread, void *thread_arg __attribute__ ((unused)))
break;
case -1:
error (1, 0, "dwfl_thread_getframes: %s", dwfl_errmsg (-1));
+ break;
default:
abort ();
}
diff --git a/tests/backtrace.c b/tests/backtrace.c
index 12476430..bf5995b4 100644
--- a/tests/backtrace.c
+++ b/tests/backtrace.c
@@ -123,7 +123,7 @@ callback_verify (pid_t tid, unsigned frameno, Dwarf_Addr pc,
assert (symname2 == NULL || strcmp (symname2, "jmp") != 0);
break;
}
- /* PASSTHRU */
+ /* FALLTHRU */
case 4:
assert (symname != NULL && strcmp (symname, "stdarg") == 0);
break;
--
2.13.0
meta/recipes-devtools/elfutils/elfutils-0.166/0001-ar-Fix-GCC7-Wformat-length-issues.patch
+125
View File
@@ -0,0 +1,125 @@
From f090883ca61f0bf0f979c5b26d4e1a69e805156e Mon Sep 17 00:00:00 2001
From: Mark Wielaard <mjw@redhat.com>
Date: Thu, 10 Nov 2016 18:45:02 +0100
Subject: [PATCH] ar: Fix GCC7 -Wformat-length issues.
GCC7 adds warnings for snprintf formatting into too small buffers.
Fix the two issues pointed out by the new warning. The ar header
fields are fixed length containing left-justified strings without
zero terminator. snprintf always adds a '\0' char at the end (which
we then don't copy into the ar header field) and numbers are decimal
strings of fixed 10 chars (-Wformat-length thinks formatting
them as size_t might overflow the buffer on 64bit arches).
Signed-off-by: Mark Wielaard <mjw@redhat.com>
Upstream-Status: Backport
Upstream-Commit: d5afff85e22b38949f3e7936231c67de16e180e8
---
src/ar.c | 15 +++++++++++----
src/arlib.c | 16 ++++++++++------
2 files changed, 21 insertions(+), 10 deletions(-)
diff --git a/src/ar.c b/src/ar.c
index 1320d07b..f2160d35 100644
--- a/src/ar.c
+++ b/src/ar.c
@@ -1,5 +1,5 @@
/* Create, modify, and extract from archives.
- Copyright (C) 2005-2012 Red Hat, Inc.
+ Copyright (C) 2005-2012, 2016 Red Hat, Inc.
This file is part of elfutils.
Written by Ulrich Drepper <drepper@redhat.com>, 2005.
@@ -853,7 +853,10 @@ write_member (struct armem *memb, off_t *startp, off_t *lenp, Elf *elf,
off_t end_off, int newfd)
{
struct ar_hdr arhdr;
- char tmpbuf[sizeof (arhdr.ar_name) + 1];
+ /* The ar_name is not actually zero teminated, but we need that for
+ snprintf. Also if the name is too long, then the string starts
+ with '/' plus an index off number (decimal). */
+ char tmpbuf[sizeof (arhdr.ar_name) + 2];
bool changed_header = memb->long_name_off != -1;
if (changed_header)
@@ -1455,7 +1458,11 @@ do_oper_insert (int oper, const char *arfname, char **argv, int argc,
/* Create the header. */
struct ar_hdr arhdr;
- char tmpbuf[sizeof (arhdr.ar_name) + 1];
+ /* The ar_name is not actually zero teminated, but we
+ need that for snprintf. Also if the name is too
+ long, then the string starts with '/' plus an index
+ off number (decimal). */
+ char tmpbuf[sizeof (arhdr.ar_name) + 2];
if (all->long_name_off == -1)
{
size_t namelen = strlen (all->name);
@@ -1465,7 +1472,7 @@ do_oper_insert (int oper, const char *arfname, char **argv, int argc,
}
else
{
- snprintf (tmpbuf, sizeof (arhdr.ar_name) + 1, "/%-*ld",
+ snprintf (tmpbuf, sizeof (tmpbuf), "/%-*ld",
(int) sizeof (arhdr.ar_name), all->long_name_off);
memcpy (arhdr.ar_name, tmpbuf, sizeof (arhdr.ar_name));
}
diff --git a/src/arlib.c b/src/arlib.c
index 43a9145b..0c2e4cde 100644
--- a/src/arlib.c
+++ b/src/arlib.c
@@ -1,5 +1,5 @@
/* Functions to handle creation of Linux archives.
- Copyright (C) 2007-2012 Red Hat, Inc.
+ Copyright (C) 2007-2012, 2016 Red Hat, Inc.
This file is part of elfutils.
Written by Ulrich Drepper <drepper@redhat.com>, 2007.
@@ -23,6 +23,7 @@
#include <assert.h>
#include <error.h>
#include <gelf.h>
+#include <inttypes.h>
#include <libintl.h>
#include <stdio.h>
#include <stdlib.h>
@@ -107,6 +108,9 @@ arlib_init (void)
void
arlib_finalize (void)
{
+ /* Note that the size is stored as decimal string in 10 chars,
+ without zero terminator (we add + 1 here only so snprintf can
+ put it at the end, we then don't use it when we memcpy it). */
char tmpbuf[sizeof (((struct ar_hdr *) NULL)->ar_size) + 1];
symtab.longnameslen = obstack_object_size (&symtab.longnamesob);
@@ -121,9 +125,9 @@ arlib_finalize (void)
symtab.longnames = obstack_finish (&symtab.longnamesob);
- int s = snprintf (tmpbuf, sizeof (tmpbuf), "%-*zu",
+ int s = snprintf (tmpbuf, sizeof (tmpbuf), "%-*" PRIu32 "",
(int) sizeof (((struct ar_hdr *) NULL)->ar_size),
- symtab.longnameslen - sizeof (struct ar_hdr));
+ (uint32_t) (symtab.longnameslen - sizeof (struct ar_hdr)));
memcpy (&((struct ar_hdr *) symtab.longnames)->ar_size, tmpbuf, s);
}
@@ -169,10 +173,10 @@ arlib_finalize (void)
/* See comment for ar_date above. */
memcpy (&((struct ar_hdr *) symtab.symsoff)->ar_size, tmpbuf,
- snprintf (tmpbuf, sizeof (tmpbuf), "%-*zu",
+ snprintf (tmpbuf, sizeof (tmpbuf), "%-*" PRIu32 "",
(int) sizeof (((struct ar_hdr *) NULL)->ar_size),
- symtab.symsofflen + symtab.symsnamelen
- - sizeof (struct ar_hdr)));
+ (uint32_t) (symtab.symsofflen + symtab.symsnamelen
+ - sizeof (struct ar_hdr))));
}
--
2.13.0
meta/recipes-devtools/elfutils/elfutils-0.166/Fix_one_GCC7_warning.patch
+45
View File
@@ -0,0 +1,45 @@
From 8e2ab18b874d1fda06243ad00209d44e2992928a Mon Sep 17 00:00:00 2001
From: Mark Wielaard <mark@klomp.org>
Date: Sun, 12 Feb 2017 21:51:34 +0100
Subject: [PATCH 1/2] libasm: Fix one GCC7 -Wformat-truncation=2 warning.
Make sure that if we have really lots of labels the tempsym doesn't get
truncated because it is too small to hold the whole name.
This doesn't enable -Wformat-truncation=2 or fix other "issues" pointed
out by enabling this warning because there are currently some issues
with it. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79448
Signed-off-by: Mark Wielaard <mark@klomp.org>
Upstream-Status: Backport (https://sourceware.org/git/?p=elfutils.git;a=commit;h=93c51144c3f664d4e9709da75a1d0fa00ea0fe95)
Signed-off-by: Joshua Lock <joshua.g.lock@intel.com>
---
libasm/asm_newsym.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/libasm/asm_newsym.c b/libasm/asm_newsym.c
index 7f522910..76482bb2 100644
--- a/libasm/asm_newsym.c
+++ b/libasm/asm_newsym.c
@@ -1,5 +1,5 @@
/* Define new symbol for current position in given section.
- Copyright (C) 2002, 2005 Red Hat, Inc.
+ Copyright (C) 2002, 2005, 2017 Red Hat, Inc.
This file is part of elfutils.
Written by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -44,7 +44,9 @@ AsmSym_t *
asm_newsym (AsmScn_t *asmscn, const char *name, GElf_Xword size,
int type, int binding)
{
-#define TEMPSYMLEN 10
+/* We don't really expect labels with many digits, but in theory it could
+ be 10 digits (plus ".L" and a zero terminator). */
+#define TEMPSYMLEN 13
char tempsym[TEMPSYMLEN];
AsmSym_t *result;
--
2.13.0
meta/recipes-devtools/elfutils/elfutils-0.166/fallthrough.patch
+36
View File
@@ -0,0 +1,36 @@
GCC7 adds -Wimplicit-fallthrough to warn when a switch case falls through,
however this causes warnings (which are promoted to errors) with the elfutils
patches from Debian for mips and parisc, which use fallthrough's by design.
Explicitly mark the intentional fallthrough switch cases with a comment to
disable the warnings where the fallthrough behaviour is desired.
Upstream-Status: Pending [debian]
Signed-off-by: Joshua Lock <joshua.g.lock@intel.com>
Index: elfutils-0.168/backends/parisc_retval.c
===================================================================
--- elfutils-0.168.orig/backends/parisc_retval.c
+++ elfutils-0.168/backends/parisc_retval.c
@@ -166,7 +166,7 @@ parisc_return_value_location_ (Dwarf_Die
return nloc_intregpair;
/* Else fall through. */
- }
+ } // fallthrough
case DW_TAG_structure_type:
case DW_TAG_class_type:
Index: elfutils-0.168/backends/mips_retval.c
===================================================================
--- elfutils-0.168.orig/backends/mips_retval.c
+++ elfutils-0.168/backends/mips_retval.c
@@ -387,7 +387,7 @@ mips_return_value_location (Dwarf_Die *f
else
return nloc_intregpair;
}
- }
+ } // fallthrough
/* Fallthrough to handle large types */
meta/recipes-devtools/elfutils/elfutils_0.166.bb
+5
View File
@@ -18,7 +18,10 @@ SRC_URI += "\
file://0001-remove-the-unneed-checking.patch \
file://0001-fix-a-stack-usage-warning.patch \
file://aarch64_uio.patch \
file://Fix_one_GCC7_warning.patch \
file://0001-Add-GCC7-Wimplicit-fallthrough-support-fixes.patch \
file://shadow.patch \
file://0001-ar-Fix-GCC7-Wformat-length-issues.patch \
"
# pick the patch from debian
@@ -37,6 +40,8 @@ SRC_URI += "\
file://uclibc-support.patch \
file://elfcmp-fix-self-comparision.patch \
"
# Fix the patches from Debian with GCC7
SRC_URI += "file://fallthrough.patch"
SRC_URI_append_libc-musl = " file://0001-build-Provide-alternatives-for-glibc-assumptions-hel.patch "
# The buildsystem wants to generate 2 .h files from source using a binary it just built,