- Fix configure test compromised by LTO. Add appropriate BuildRequires

and force rebuliding the configure files in the appropriate dirs
- Fix various warnings exposed by LTO.
This commit is contained in:
Jeff Law 2020-07-19 11:35:06 -06:00
parent d8ce39864a
commit 32bf168f75
3 changed files with 200 additions and 1 deletions

12
binutils-config.patch Normal file
View File

@ -0,0 +1,12 @@
diff -Nrup a/libiberty/aclocal.m4 b/libiberty/aclocal.m4
--- a/libiberty/aclocal.m4 2019-01-19 09:01:34.000000000 -0700
+++ b/libiberty/aclocal.m4 2020-01-09 22:00:27.183312982 -0700
@@ -147,7 +147,7 @@ if test $ac_cv_os_cray = yes; then
fi
AC_CACHE_CHECK(stack direction for C alloca, ac_cv_c_stack_direction,
-[AC_TRY_RUN([find_stack_direction ()
+[AC_TRY_RUN([__attribute__ ((noclone,noinline)) find_stack_direction ()
{
static char *addr = 0;
auto char dummy;

171
binutils-warnings.patch Normal file
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@ -0,0 +1,171 @@
diff --git a/binutils/dwarf.c b/binutils/dwarf.c
index 6ecfab5d..f8698213 100644
--- a/binutils/dwarf.c
+++ b/binutils/dwarf.c
@@ -4914,7 +4914,7 @@ display_debug_lines_decoded (struct dwarf_section * section,
else
{
newFileName = (char *) xmalloc (fileNameLength + 1);
- strncpy (newFileName, fileName, fileNameLength + 1);
+ strcpy (newFileName, fileName);
}
if (!do_wide || (fileNameLength <= MAX_FILENAME_LENGTH))
diff --git a/gold/target-reloc.h b/gold/target-reloc.h
index 071f211e..0f81dd13 100644
--- a/gold/target-reloc.h
+++ b/gold/target-reloc.h
@@ -259,7 +259,7 @@ issue_discarded_error(
&is_ordinary);
if (orig_shndx != elfcpp::SHN_UNDEF)
{
- unsigned int key_symndx;
+ unsigned int key_symndx = 0;
Relobj* kept_obj = object->find_kept_section_object(orig_shndx,
&key_symndx);
if (key_symndx != 0)
diff --git a/libiberty/cp-demangle.c b/libiberty/cp-demangle.c
index 3639bfbf..ed080a1a 100644
--- a/libiberty/cp-demangle.c
+++ b/libiberty/cp-demangle.c
@@ -185,20 +185,6 @@ static void d_init_info (const char *, int, size_t, struct d_info *);
#define CP_STATIC_IF_GLIBCPP_V3
#endif /* ! defined(IN_GLIBCPP_V3) */
-/* See if the compiler supports dynamic arrays. */
-
-#ifdef __GNUC__
-#define CP_DYNAMIC_ARRAYS
-#else
-#ifdef __STDC__
-#ifdef __STDC_VERSION__
-#if __STDC_VERSION__ >= 199901L && !__STDC_NO_VLA__
-#define CP_DYNAMIC_ARRAYS
-#endif /* __STDC_VERSION__ >= 199901L && !__STDC_NO_VLA__ */
-#endif /* defined (__STDC_VERSION__) */
-#endif /* defined (__STDC__) */
-#endif /* ! defined (__GNUC__) */
-
/* We avoid pulling in the ctype tables, to prevent pulling in
additional unresolved symbols when this code is used in a library.
FIXME: Is this really a valid reason? This comes from the original
@@ -4343,29 +4329,21 @@ cplus_demangle_print_callback (int options,
d_print_init (&dpi, callback, opaque, dc);
{
-#ifdef CP_DYNAMIC_ARRAYS
- /* Avoid zero-length VLAs, which are prohibited by the C99 standard
- and flagged as errors by Address Sanitizer. */
- __extension__ struct d_saved_scope scopes[(dpi.num_saved_scopes > 0)
- ? dpi.num_saved_scopes : 1];
- __extension__ struct d_print_template temps[(dpi.num_copy_templates > 0)
- ? dpi.num_copy_templates : 1];
-
- dpi.saved_scopes = scopes;
- dpi.copy_templates = temps;
-#else
- dpi.saved_scopes = alloca (dpi.num_saved_scopes
- * sizeof (*dpi.saved_scopes));
- dpi.copy_templates = alloca (dpi.num_copy_templates
- * sizeof (*dpi.copy_templates));
-#endif
-
+ dpi.saved_scopes
+ = (struct d_saved_scope *) xmalloc (dpi.num_saved_scopes
+ * sizeof (*dpi.saved_scopes));
+ dpi.copy_templates
+ = (struct d_print_template *) xmalloc (dpi.num_copy_templates
+ * sizeof (*dpi.copy_templates));
d_print_comp (&dpi, options, dc);
}
d_print_flush (&dpi);
- return ! d_print_saw_error (&dpi);
+ int retval = ! d_print_saw_error (&dpi);
+ free (dpi.saved_scopes);
+ free (dpi.copy_templates);
+ return retval;
}
/* Turn components into a human readable string. OPTIONS is the
@@ -6307,16 +6285,12 @@ d_demangle_callback (const char *mangled, int options,
}
{
-#ifdef CP_DYNAMIC_ARRAYS
- __extension__ struct demangle_component comps[di.num_comps];
- __extension__ struct demangle_component *subs[di.num_subs];
-
- di.comps = comps;
- di.subs = subs;
-#else
- di.comps = alloca (di.num_comps * sizeof (*di.comps));
- di.subs = alloca (di.num_subs * sizeof (*di.subs));
-#endif
+ di.comps
+ = (struct demangle_component *) xmalloc (di.num_comps
+ * sizeof (*di.comps));
+ di.subs
+ = (struct demangle_component **) xmalloc (di.num_subs
+ * sizeof (*di.subs));
switch (type)
{
@@ -6357,6 +6331,8 @@ d_demangle_callback (const char *mangled, int options,
: 0;
}
+ free (di.comps);
+ free (di.subs);
return status;
}
@@ -6588,16 +6564,12 @@ is_ctor_or_dtor (const char *mangled,
cplus_demangle_init_info (mangled, DMGL_GNU_V3, strlen (mangled), &di);
{
-#ifdef CP_DYNAMIC_ARRAYS
- __extension__ struct demangle_component comps[di.num_comps];
- __extension__ struct demangle_component *subs[di.num_subs];
-
- di.comps = comps;
- di.subs = subs;
-#else
- di.comps = alloca (di.num_comps * sizeof (*di.comps));
- di.subs = alloca (di.num_subs * sizeof (*di.subs));
-#endif
+ di.comps
+ = (struct demangle_component *) xmalloc (di.num_comps
+ * sizeof (*di.comps));
+ di.subs
+ = (struct demangle_component **) xmalloc (di.num_subs
+ * sizeof (*di.subs));
dc = cplus_demangle_mangled_name (&di, 1);
@@ -6640,6 +6612,8 @@ is_ctor_or_dtor (const char *mangled,
}
}
+ free (di.comps);
+ free (di.subs);
return ret;
}
diff --git a/libiberty/make-relative-prefix.c b/libiberty/make-relative-prefix.c
index e3f9f920..5dbe6f89 100644
--- a/libiberty/make-relative-prefix.c
+++ b/libiberty/make-relative-prefix.c
@@ -259,10 +259,7 @@ make_relative_prefix_1 (const char *progname, const char *bin_prefix,
#ifdef HAVE_HOST_EXECUTABLE_SUFFIX
len += strlen (HOST_EXECUTABLE_SUFFIX);
#endif
- if (len < MAX_ALLOCA_SIZE)
- nstore = (char *) alloca (len);
- else
- alloc_ptr = nstore = (char *) malloc (len);
+ alloc_ptr = nstore = (char *) malloc (len);
startp = endp = temp;
while (1)

View File

@ -2,7 +2,7 @@
Summary: A GNU collection of binary utilities Summary: A GNU collection of binary utilities
Name: %{?cross}binutils%{?_with_debug:-debug} Name: %{?cross}binutils%{?_with_debug:-debug}
Version: 2.34.0 Version: 2.34.0
Release: 8%{?dist} Release: 9%{?dist}
License: GPLv3+ License: GPLv3+
URL: https://sourceware.org/binutils URL: https://sourceware.org/binutils
@ -237,9 +237,12 @@ Patch18: binutils-bad-plugin-err-message.patch
Patch19: binutils-s390-build.patch Patch19: binutils-s390-build.patch
Patch20: binutils-config.patch
Patch21: binutils-warnings.patch
#---------------------------------------------------------------------------- #----------------------------------------------------------------------------
Provides: bundled(libiberty) Provides: bundled(libiberty)
BuildRequires: autoconf automake
%if %{with gold} %if %{with gold}
# For now we make the binutils package require the gold sub-package. # For now we make the binutils package require the gold sub-package.
@ -483,6 +486,14 @@ export LDFLAGS=$RPM_LD_FLAGS
%define _with_cc_clang 1 %define _with_cc_clang 1
%endif %endif
# Dependencies are not set up to rebuild the configure files
# in the subdirectories. So we just rebuild the ones we care
# about after applying the configure patches
pushd libiberty
autoreconf -ivf
popd
# We could optimize the cross builds size by --enable-shared but the produced # We could optimize the cross builds size by --enable-shared but the produced
# binaries may be less convenient in the embedded environment. # binaries may be less convenient in the embedded environment.
%configure \ %configure \
@ -790,6 +801,11 @@ exit 0
#---------------------------------------------------------------------------- #----------------------------------------------------------------------------
%changelog %changelog
- Sun Jul 19 2020 Jeff Law <law@redhat.com> - 2.34-9
- Fix configure test compromised by LTO. Add appropriate BuildRequires
and force rebuliding the configure files in the appropriate dirs
- Fix various warnings exposed by LTO.
* Tue Jul 07 2020 Jeff Law <law@redhat.com> - 2.34-8 * Tue Jul 07 2020 Jeff Law <law@redhat.com> - 2.34-8
- Switch to using %%autosetup. - Switch to using %%autosetup.