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-rw-r--r--var/spack/repos/builtin/packages/m4/package.py1
-rw-r--r--var/spack/repos/builtin/packages/m4/ppc.patch11
2 files changed, 12 insertions, 0 deletions
diff --git a/var/spack/repos/builtin/packages/m4/package.py b/var/spack/repos/builtin/packages/m4/package.py
index 7e665557dc..d78b797cf5 100644
--- a/var/spack/repos/builtin/packages/m4/package.py
+++ b/var/spack/repos/builtin/packages/m4/package.py
@@ -44,6 +44,7 @@ class M4(AutotoolsPackage, GNUMirrorPackage):
# tests: Fix failing test checks/198.sysval with upstream patch for doc/m4.texi
patch("checks-198.sysval.1.patch", when="@1.4.19")
patch("checks-198.sysval.2.patch", when="@1.4.19")
+ patch("ppc.patch")
variant("sigsegv", default=True, description="Build the libsigsegv dependency")
diff --git a/var/spack/repos/builtin/packages/m4/ppc.patch b/var/spack/repos/builtin/packages/m4/ppc.patch
new file mode 100644
index 0000000000..73a1bb7597
--- /dev/null
+++ b/var/spack/repos/builtin/packages/m4/ppc.patch
@@ -0,0 +1,11 @@
+diff -ur a/lib/sigsegv.c b/lib/sigsegv.c
+--- a/lib/sigsegv.c 2022-03-05 20:30:15.030000000 +0000
++++ b/lib/sigsegv.c 2022-03-05 20:42:49.910000000 +0000
+@@ -220,7 +220,7 @@
+ # if 0
+ # define SIGSEGV_FAULT_STACKPOINTER ((ucontext_t *) ucp)->uc_mcontext.regs->gpr[1]
+ # else
+-# define SIGSEGV_FAULT_STACKPOINTER ((ucontext_t *) ucp)->uc_mcontext.uc_regs->gregs[1]
++# define SIGSEGV_FAULT_STACKPOINTER ((ucontext_t *) ucp)->uc_mcontext.gregs[1]
+ # endif
+ # endif