toolchain/gcc/patches-11.x/011-v12-configure-define-TARGET_LIBC_GNUSTACK-on-musl.patch

   1 From ea650cae26da4a8fc04f0c4666f4dd776d0b5fc0 Mon Sep 17 00:00:00 2001
   2 From: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
   3 Date: Sun, 14 Nov 2021 21:54:25 -0800
   4 Subject: [PATCH] configure: define TARGET_LIBC_GNUSTACK on musl
   5
   6 musl only uses PT_GNU_STACK to set default thread stack size and has no
   7 executable stack support[0], so there is no reason not to emit the
   8 .note.GNU-stack section on musl builds.
   9
  10 [0]: https://lore.kernel.org/all/20190423192534.GN23599@brightrain.aerifal.cx/T/#u
  11
  12 gcc/ChangeLog:
  13
  14         * configure: Regenerate.
  15         * configure.ac: define TARGET_LIBC_GNUSTACK on musl
  16
  17 Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
  18 ---
  19  gcc/configure    | 3 +++
  20  gcc/configure.ac | 3 +++
  21  2 files changed, 6 insertions(+)
  22
  23 --- a/gcc/configure
  24 +++ b/gcc/configure
  25 @@ -31533,6 +31533,9 @@ fi
  26  # Check if the target LIBC handles PT_GNU_STACK.
  27  gcc_cv_libc_gnustack=unknown
  28  case "$target" in
  29 +  mips*-*-linux-musl*)
  30 +    gcc_cv_libc_gnustack=yes
  31 +    ;;
  32    mips*-*-linux*)
  33
  34  if test $glibc_version_major -gt 2 \
  35 --- a/gcc/configure.ac
  36 +++ b/gcc/configure.ac
  37 @@ -7023,6 +7023,9 @@ fi
  38  # Check if the target LIBC handles PT_GNU_STACK.
  39  gcc_cv_libc_gnustack=unknown
  40  case "$target" in
  41 +  mips*-*-linux-musl*)
  42 +    gcc_cv_libc_gnustack=yes
  43 +    ;;
  44    mips*-*-linux*)
  45      GCC_GLIBC_VERSION_GTE_IFELSE([2], [31], [gcc_cv_libc_gnustack=yes], )
  46      ;;