musl only uses PT_GNU_STACK to set default thread stack size and has no executable stack support[0], so there is no reason not to emit the .note.GNU-stack section on musl builds.
[0]: https://lore.kernel.org/all/20190423192534.gn23...@brightrain.aerifal.cx/T/#u gcc/ChangeLog: * configure: Regenerate. * configure.ac: define TARGET_LIBC_GNUSTACK on musl Signed-off-by: Ilya Lipnitskiy <ilya.lipnits...@gmail.com> --- gcc/configure | 3 +++ gcc/configure.ac | 3 +++ 2 files changed, 6 insertions(+) diff --git a/gcc/configure b/gcc/configure index 74b9d9be4c85..7091a838aefa 100755 --- a/gcc/configure +++ b/gcc/configure @@ -31275,6 +31275,9 @@ fi # Check if the target LIBC handles PT_GNU_STACK. gcc_cv_libc_gnustack=unknown case "$target" in + mips*-*-linux-musl*) + gcc_cv_libc_gnustack=yes + ;; mips*-*-linux*) if test $glibc_version_major -gt 2 \ diff --git a/gcc/configure.ac b/gcc/configure.ac index c9ee1fb8919e..8a2d34179a75 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -6961,6 +6961,9 @@ fi # Check if the target LIBC handles PT_GNU_STACK. gcc_cv_libc_gnustack=unknown case "$target" in + mips*-*-linux-musl*) + gcc_cv_libc_gnustack=yes + ;; mips*-*-linux*) GCC_GLIBC_VERSION_GTE_IFELSE([2], [31], [gcc_cv_libc_gnustack=yes], ) ;; -- 2.33.1
