From b7c8a69fd8e038990f1489c9d85def5b2cae52a8 Mon Sep 17 00:00:00 2001
From: Andreas Enge <andreas@enge.fr>
Date: Wed, 5 Apr 2023 12:41:12 +0200
Subject: gnu: openjdk9: Add patches to fix build.
* gnu/packages/patches/openjdk-9-pointer-comparison.patch,
gnu/packages/patches/openjdk-9-setsignalhandler.patch: New files.
* gnu/local.mk (dist_patch_DATA): Register patches.
* gnu/packages/java.scm (openjdk9)[origin]: Use patches.
---
.../patches/openjdk-9-setsignalhandler.patch | 24 ++++++++++++++++++++++
1 file changed, 24 insertions(+)
create mode 100644 gnu/packages/patches/openjdk-9-setsignalhandler.patch
(limited to 'gnu/packages/patches/openjdk-9-setsignalhandler.patch')
diff --git a/gnu/packages/patches/openjdk-9-setsignalhandler.patch b/gnu/packages/patches/openjdk-9-setsignalhandler.patch
new file mode 100644
index 0000000000..500bf2360b
--- /dev/null
+++ b/gnu/packages/patches/openjdk-9-setsignalhandler.patch
@@ -0,0 +1,24 @@
+Patch taken from file comparison with openjdk@19.
+
+diff -u -r openjdk-9.alt/hotspot/test/runtime/StackGuardPages/exeinvoke.c openjdk-9/hotspot/test/runtime/StackGuardPages/exeinvoke.c
+--- openjdk-9.alt/hotspot/test/runtime/StackGuardPages/exeinvoke.c 2023-04-05 13:46:58.689964892 +0200
++++ openjdk-9/hotspot/test/runtime/StackGuardPages/exeinvoke.c 2023-04-05 14:15:52.435613325 +0200
+@@ -67,8 +67,17 @@
+ longjmp(context, 1);
+ }
+
++static char* altstack = NULL;
++
+ void set_signal_handler() {
+- static char altstack[SIGSTKSZ];
++ if (altstack == NULL) {
++ // Dynamically allocated in case SIGSTKSZ is not constant
++ altstack = (char*)malloc(SIGSTKSZ);
++ if (altstack == NULL) {
++ fprintf(stderr, "Test ERROR. Unable to malloc altstack space\n");
++ exit(7);
++ }
++ }
+
+ stack_t ss = {
+ .ss_size = SIGSTKSZ,
--
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