Initial commit

Signed-off-by: Laurent Bercot <ska@appnovation.com>

1 files changed, 256 insertions, 0 deletions

diff --git a/musl/patches-in-mcm/gcc-13.2.0/0027-configure-Add-enable-autolink-libatomic-use-in-LINK_.patch b/musl/patches-in-mcm/gcc-13.2.0/0027-configure-Add-enable-autolink-libatomic-use-in-LINK_.patch
new file mode 100644
index 0000000..fcf74ee
--- /dev/null
+++ b/musl/patches-in-mcm/gcc-13.2.0/0027-configure-Add-enable-autolink-libatomic-use-in-LINK_.patch
@@ -0,0 +1,256 @@
+From 7b50823d8a4131e5a55d2499a0f5a52b3d91eed2 Mon Sep 17 00:00:00 2001
+From: Drew DeVault <sir@cmpwn.com>
+Date: Wed, 9 Dec 2020 07:42:06 +0000
+Subject: [PATCH 27/35] configure: Add --enable-autolink-libatomic, use in
+ LINK_GCC_C_SEQUENCE_SPEC [PR81358]
+
+This fixes issues with RISC-V.
+---
+ Makefile.in           |  1 +
+ gcc/config.in         |  6 ++++++
+ gcc/config/gnu-user.h | 12 +++++++++++-
+ gcc/configure         | 31 ++++++++++++++++++++++++++++++-
+ gcc/configure.ac      | 21 +++++++++++++++++++++
+ gcc/doc/install.texi  |  8 ++++++++
+ gcc/doc/tm.texi       |  8 +++++++-
+ gcc/doc/tm.texi.in    |  8 +++++++-
+ gcc/gcc.cc            | 12 +++++++++++-
+ 9 files changed, 102 insertions(+), 5 deletions(-)
+
+diff --git a/Makefile.in b/Makefile.in
+index 6ff2b3f9925..394b105b271 100644
+--- a/Makefile.in
++++ b/Makefile.in
+@@ -235,6 +235,7 @@ HOST_EXPORTS = \
+ 	RANLIB_FOR_TARGET="$(RANLIB_FOR_TARGET)"; export RANLIB_FOR_TARGET; \
+ 	READELF_FOR_TARGET="$(READELF_FOR_TARGET)"; export READELF_FOR_TARGET; \
+ 	TOPLEVEL_CONFIGURE_ARGUMENTS="$(TOPLEVEL_CONFIGURE_ARGUMENTS)"; export TOPLEVEL_CONFIGURE_ARGUMENTS; \
++	TARGET_CONFIGDIRS="$(TARGET_CONFIGDIRS)"; export TARGET_CONFIGDIRS; \
+ 	HOST_LIBS="$(STAGE1_LIBS)"; export HOST_LIBS; \
+ 	GMPLIBS="$(HOST_GMPLIBS)"; export GMPLIBS; \
+ 	GMPINC="$(HOST_GMPINC)"; export GMPINC; \
+diff --git a/gcc/config.in b/gcc/config.in
+index 0679fbbf4c6..ee81139b385 100644
+--- a/gcc/config.in
++++ b/gcc/config.in
+@@ -118,6 +118,12 @@
+ #endif
+ 
+ 
++/* Define if libatomic should always be linked. */
++#ifndef USED_FOR_TARGET
++#undef ENABLE_AUTOLINK_LIBATOMIC
++#endif
++
++
+ /* Define to 1 to specify that we are using the BID decimal floating point
+    format instead of DPD */
+ #ifndef USED_FOR_TARGET
+diff --git a/gcc/config/gnu-user.h b/gcc/config/gnu-user.h
+index b26b17f2f2a..3f64ea46180 100644
+--- a/gcc/config/gnu-user.h
++++ b/gcc/config/gnu-user.h
+@@ -109,8 +109,18 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+ #define LINK_EH_SPEC "%{!static|static-pie:--eh-frame-hdr} "
+ #endif
+ 
++#if !defined(LINK_LIBATOMIC_SPEC) && defined(ENABLE_AUTOLINK_LIBATOMIC)
++#  ifdef LD_AS_NEEDED_OPTION
++#    define LINK_LIBATOMIC_SPEC LD_AS_NEEDED_OPTION " -latomic " LD_NO_AS_NEEDED_OPTION
++#  else
++#    define LINK_LIBATOMIC_SPEC "-latomic"
++#  endif
++#elif !defined(LINK_LIBATOMIC_SPEC)
++#  define LINK_LIBATOMIC_SPEC ""
++#endif
++
+ #define GNU_USER_TARGET_LINK_GCC_C_SEQUENCE_SPEC \
+-  "%{static|static-pie:--start-group} %G %{!nolibc:%L} \
++  "%{static|static-pie:--start-group} %G %{!nolibc:" LINK_LIBATOMIC_SPEC " %L} \
+    %{static|static-pie:--end-group}%{!static:%{!static-pie:%G}}"
+ 
+ #undef LINK_GCC_C_SEQUENCE_SPEC
+diff --git a/gcc/configure b/gcc/configure
+index e59cbee1767..787c35d4e25 100755
+--- a/gcc/configure
++++ b/gcc/configure
+@@ -984,6 +984,7 @@ with_changes_root_url
+ enable_languages
+ with_multilib_list
+ with_multilib_generator
++enable_autolink_libatomic
+ with_zstd
+ with_zstd_include
+ with_zstd_lib
+@@ -1713,6 +1714,9 @@ Optional Features:
+   --disable-shared        don't provide a shared libgcc
+   --disable-gcov          don't provide libgcov and related host tools
+   --enable-languages=LIST specify which front-ends to build
++  --enable-autolink-libatomic
++                          enable automatic linking of libatomic (ignored if
++                          not built)
+   --disable-rpath         do not hardcode runtime library paths
+   --enable-sjlj-exceptions
+                           arrange to use setjmp/longjmp exception handling
+@@ -8329,7 +8333,6 @@ else
+ fi
+ 
+ 
+-
+ # Check whether --with-multilib-generator was given.
+ if test "${with_multilib_generator+set}" = set; then :
+   withval=$with_multilib_generator; :
+@@ -8337,6 +8340,32 @@ else
+   with_multilib_generator=default
+ fi
+ 
++# If libatomic is available, whether it should be linked automatically
++# Check whether --enable-autolink-libatomic was given.
++if test "${enable_autolink_libatomic+set}" = set; then :
++  enableval=$enable_autolink_libatomic;
++  case $enable_autolink_libatomic in
++    yes | no) ;;
++    *) as_fn_error $? "'$enable_autolink_libatomic' is an invalid value for
++--enable-autolink-libatomic.  Valid choices are 'yes' and 'no'." "$LINENO" 5 ;;
++  esac
++
++else
++  enable_autolink_libatomic=''
++fi
++
++
++if test x$enable_autolink_libatomic = xyes; then
++  if echo " ${TARGET_CONFIGDIRS} " | grep " libatomic " > /dev/null 2>&1 ; then
++
++$as_echo "#define ENABLE_AUTOLINK_LIBATOMIC 1" >>confdefs.h
++
++  else
++    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: libatomic is not build for this target, --enable-autolink-libatomic ignored" >&5
++$as_echo "$as_me: WARNING: libatomic is not build for this target, --enable-autolink-libatomic ignored" >&2;}
++  fi
++fi
++
+ 
+ # -------------------------
+ # Checks for other programs
+diff --git a/gcc/configure.ac b/gcc/configure.ac
+index 57268319de1..56bcaa87620 100644
+--- a/gcc/configure.ac
++++ b/gcc/configure.ac
+@@ -1199,6 +1199,27 @@ AC_ARG_WITH(multilib-generator,
+ :,
+ with_multilib_generator=default)
+ 
++# If libatomic is available, whether it should be linked automatically
++AC_ARG_ENABLE(autolink-libatomic,
++[AS_HELP_STRING([--enable-autolink-libatomic],
++		[enable automatic linking of libatomic (ignored if not built)])],
++[
++  case $enable_autolink_libatomic in
++    yes | no) ;;
++    *) AC_MSG_ERROR(['$enable_autolink_libatomic' is an invalid value for
++--enable-autolink-libatomic.  Valid choices are 'yes' and 'no'.]) ;;
++  esac
++], [enable_autolink_libatomic=''])
++
++if test x$enable_autolink_libatomic = xyes; then
++  if echo " ${TARGET_CONFIGDIRS} " | grep " libatomic " > /dev/null 2>&1 ; then
++    AC_DEFINE(ENABLE_AUTOLINK_LIBATOMIC, 1,
++	[Define if libatomic should always be linked.])
++  else
++    AC_MSG_WARN([libatomic is not build for this target, --enable-autolink-libatomic ignored])
++  fi
++fi
++
+ # -------------------------
+ # Checks for other programs
+ # -------------------------
+diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi
+index b30d3691fe6..ccc8e5dbb00 100644
+--- a/gcc/doc/install.texi
++++ b/gcc/doc/install.texi
+@@ -2377,6 +2377,14 @@ files, but these changed header paths may conflict with some compilation
+ environments.  Enabled by default, and may be disabled using
+ @option{--disable-canonical-system-headers}.
+ 
++@item --enable-autolink-libatomic
++@itemx --disable-autolink-libatomic
++Tell GCC that it should automatically link libatomic; if supported by
++the linker, the file is only linked as needed. This flag is ignored
++when libatomic is not built. Note that this conigure flag is in particular
++useful when building an offloading-target compiler; as for those, a
++user had to specify @code{-foffload=target=-latomic} otherwise.
++
+ @item --with-glibc-version=@var{major}.@var{minor}
+ Tell GCC that when the GNU C Library (glibc) is used on the target it
+ will be version @var{major}.@var{minor} or later.  Normally this can
+diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi
+index a660e33739b..6183c407a2b 100644
+--- a/gcc/doc/tm.texi
++++ b/gcc/doc/tm.texi
+@@ -381,7 +381,13 @@ the argument @option{-lgcc} to tell the linker to do the search.
+ 
+ @defmac LINK_GCC_C_SEQUENCE_SPEC
+ The sequence in which libgcc and libc are specified to the linker.
+-By default this is @code{%G %L %G}.
++By default this is @code{%G LINK_LIBATOMIC_SPEC %L %G}.
++@end defmac
++
++@defmac LINK_LIBATOMIC_SPEC
++This macro is used in the default @code{LINK_GCC_C_SEQUENCE_SPEC} to link
++libatomic. By default, it is unset unless @code{ENABLE_AUTOLINK_LIBATOMIC}
++is set.
+ @end defmac
+ 
+ @defmac POST_LINK_SPEC
+diff --git a/gcc/doc/tm.texi.in b/gcc/doc/tm.texi.in
+index f7ab5d48a63..281540aba68 100644
+--- a/gcc/doc/tm.texi.in
++++ b/gcc/doc/tm.texi.in
+@@ -381,7 +381,13 @@ the argument @option{-lgcc} to tell the linker to do the search.
+ 
+ @defmac LINK_GCC_C_SEQUENCE_SPEC
+ The sequence in which libgcc and libc are specified to the linker.
+-By default this is @code{%G %L %G}.
++By default this is @code{%G LINK_LIBATOMIC_SPEC %L %G}.
++@end defmac
++
++@defmac LINK_LIBATOMIC_SPEC
++This macro is used in the default @code{LINK_GCC_C_SEQUENCE_SPEC} to link
++libatomic. By default, it is unset unless @code{ENABLE_AUTOLINK_LIBATOMIC}
++is set.
+ @end defmac
+ 
+ @defmac POST_LINK_SPEC
+diff --git a/gcc/gcc.cc b/gcc/gcc.cc
+index 59390fd39d6..dae1dd4cf79 100644
+--- a/gcc/gcc.cc
++++ b/gcc/gcc.cc
+@@ -974,13 +974,23 @@ proper position among the other output files.  */
+ # define ASM_DEBUG_OPTION_SPEC ""
+ #endif
+ 
++#if !defined(LINK_LIBATOMIC_SPEC) && defined(ENABLE_AUTOLINK_LIBATOMIC)
++#  ifdef LD_AS_NEEDED_OPTION
++#    define LINK_LIBATOMIC_SPEC LD_AS_NEEDED_OPTION " -latomic " LD_NO_AS_NEEDED_OPTION
++#  else
++#    define LINK_LIBATOMIC_SPEC "-latomic"
++#  endif
++#elif !defined(LINK_LIBATOMIC_SPEC)
++#  define LINK_LIBATOMIC_SPEC ""
++#endif
++
+ /* Here is the spec for running the linker, after compiling all files.  */
+ 
+ /* This is overridable by the target in case they need to specify the
+    -lgcc and -lc order specially, yet not require them to override all
+    of LINK_COMMAND_SPEC.  */
+ #ifndef LINK_GCC_C_SEQUENCE_SPEC
+-#define LINK_GCC_C_SEQUENCE_SPEC "%G %{!nolibc:%L %G}"
++#define LINK_GCC_C_SEQUENCE_SPEC "%G %{!nolibc:" LINK_LIBATOMIC_SPEC " %L %G}"
+ #endif
+ 
+ #ifdef ENABLE_DEFAULT_SSP
+-- 
+2.41.0
+