diff options
Diffstat (limited to 'pkgs/development/compilers/ocaml/glibc-2.34-for-ocaml-4.10-and-11.patch')
| -rw-r--r-- | pkgs/development/compilers/ocaml/glibc-2.34-for-ocaml-4.10-and-11.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/pkgs/development/compilers/ocaml/glibc-2.34-for-ocaml-4.10-and-11.patch b/pkgs/development/compilers/ocaml/glibc-2.34-for-ocaml-4.10-and-11.patch new file mode 100644 index 0000000000000..4ff9e6fddba57 --- /dev/null +++ b/pkgs/development/compilers/ocaml/glibc-2.34-for-ocaml-4.10-and-11.patch @@ -0,0 +1,37 @@ +From dfb5e954a04f59b0456cc4c0ddf3acaf22e0ff07 Mon Sep 17 00:00:00 2001 +From: Richard W.M. Jones <rjones@redhat.com> +Date: Feb 28 2021 20:45:47 +0000 +Subject: Workaround for glibc non-constant SIGSTKSZ + + +https://github.com/ocaml/ocaml/issues/10250 + +Signed-off-by: Richard W.M. Jones <rjones@redhat.com> + +--- + +diff --git a/runtime/signals_nat.c b/runtime/signals_nat.c +index 8b64ab4..7f0a975 100644 +--- a/runtime/signals_nat.c ++++ b/runtime/signals_nat.c +@@ -181,7 +181,19 @@ DECLARE_SIGNAL_HANDLER(trap_handler) + #error "CONTEXT_SP is required if HAS_STACK_OVERFLOW_DETECTION is defined" + #endif + ++#ifndef __GLIBC__ + static char sig_alt_stack[SIGSTKSZ]; ++#else ++/* glibc 2.34 has non-constant SIGSTKSZ */ ++static char *sig_alt_stack; ++ ++static void allocate_sig_alt_stack(void) __attribute__((constructor)); ++static void ++allocate_sig_alt_stack(void) ++{ ++ sig_alt_stack = malloc(SIGSTKSZ); ++} ++#endif + + /* Code compiled with ocamlopt never accesses more than + EXTRA_STACK bytes below the stack pointer. */ + |