File ocaml-zarith.patch of Package ocaml-zarith

--- /dev/null
+++ b/dune
@@ -0,0 +1,88 @@
+(env
+ (dev
+  (flags
+   (:standard -w -6))))
+
+(library
+ (name zarith)
+ (public_name zarith)
+ (modules z q big_int_Z zarith_version)
+ (wrapped false)
+ (foreign_stubs
+  (language c)
+  (names caml_z)
+  (flags
+   :standard
+   (:include cflags.sxp)))
+ (c_library_flags
+  (:include libs.sxp)))
+
+(rule
+ (target Makefile)
+ (deps configure env)
+ (action
+  (bash "env %{read:env}  ./configure")))
+
+(rule
+ (target env)
+ (deps env-%{lib-available:gmp})
+ (action
+  (copy env-%{lib-available:gmp} env)))
+
+(rule
+ (target env-false)
+ (action
+  (with-stdout-to
+   %{target}
+   (bash "echo -n CC=\\\"%{cc}\\\""))))
+
+(rule
+ (target env-true)
+ (deps
+  %{lib:gmp:libgmp.a}
+  %{lib:gmp:libgmp.so}
+  %{lib:gmp:gmp.h}
+  %{workspace_root})
+ (action
+  (with-stdout-to
+   %{target}
+   (bash
+    "echo -n CC=\\\"%{cc}\\\" LDFLAGS=\\\"-L$(realpath $(dirname %{lib:gmp:libgmp.a}))\\\" CFLAGS=\\\"-I$(realpath $(dirname %{lib:gmp:libgmp.a}))\\\" CPPFLAGS=\\\"-I$(realpath $(dirname %{lib:gmp:libgmp.a}))\\\""))))
+
+(rule
+ (target cflags.sxp)
+ (deps Makefile)
+ (action
+  (with-stdout-to
+   %{target}
+   (progn
+    (bash "echo -n '('")
+    (bash "cat Makefile | sed -n -e 's/CFLAGS=//p'")
+    (bash "echo -n ')'")))))
+
+(rule
+ (target libs.sxp)
+ (deps Makefile)
+ (action
+  (with-stdout-to
+   %{target}
+   (progn
+    (bash "echo -n '('")
+    (bash "cat Makefile | sed -n -e 's/LIBS=//p'")
+    (bash "echo -n ')'")))))
+
+(rule
+ (deps META)
+ (action
+  (with-stdout-to
+   zarith_version.ml
+   (progn
+    (run echo "let")
+    (bash "grep \"version\" META | head -1")))))
+
+(library
+ (name zarith_top)
+ (optional)
+ (public_name zarith.top)
+ (modules zarith_top)
+ (libraries zarith compiler-libs.toplevel))
--- /dev/null
+++ b/dune-project
@@ -0,0 +1,2 @@
+(lang dune 2.8)
+(name zarith)
--- /dev/null
+++ b/tests/dune
@@ -0,0 +1,108 @@
+; Run test for host
+
+(executable
+ (enabled_if
+  (= %{context_name} default))
+ (name zq)
+ (modules zq)
+ (libraries zarith))
+
+(rule
+ (enabled_if
+  (= %{context_name} default))
+ (action
+  (with-stdout-to
+   zq.output
+   (run ./zq.exe))))
+
+; Run test for Solo5 SPT target
+
+(rule
+ (copy zq.ml zq_freestanding.ml))
+
+(rule (with-stdout-to startup.c (echo """
+#include <solo5.h>
+#define CAML_NAME_SPACE
+#include <caml/callback.h>
+
+static char *unused_argv[] = { \"mirage\", NULL };
+
+void _nolibc_init(uintptr_t heap_start, size_t heap_size); // defined in solo5-libc/sysdeps_solo5.c
+
+int solo5_app_main(const struct solo5_start_info *si) {
+    _nolibc_init(si->heap_start, si->heap_size);
+    caml_startup(unused_argv);
+}
+""")))
+
+(rule (with-stdout-to manifest.json (echo """
+{
+  \"type\": \"solo5.manifest\",
+  \"version\": 1,
+  \"devices\": []
+}
+""")))
+
+(executable
+ (enabled_if
+  (= %{context_name} freestanding))
+ (name zq_freestanding)
+ (modules zq_freestanding)
+ (libraries zarith)
+ (link_flags :standard -cclib "-z solo5-abi=spt")
+ (foreign_stubs
+  (language c)
+  (names startup manifest)))
+
+(rule
+ (enabled_if
+  (= %{context_name} freestanding))
+ (targets manifest.c)
+ (deps manifest.json)
+ (action
+  (run solo5-elftool gen-manifest manifest.json manifest.c)))
+
+; Run solo5 code
+
+(rule
+ (enabled_if
+  (= %{context_name} freestanding))
+ (deps zq_freestanding.exe)
+ (action
+  (with-accepted-exit-codes
+   1
+   (with-stdout-to
+    zq.output.full
+    (run solo5-spt zq_freestanding.exe)))))
+
+; Remove solo5 intro
+
+(rule
+ (enabled_if
+  (= %{context_name} freestanding))
+ (deps zq.output.full)
+ (action
+  (with-stdout-to
+   zq.output
+   (bash "head -n -1 zq.output.full | tail -n +12 -"))))
+
+; Check results
+
+(rule
+ (alias runtest)
+ (action
+  (diff zq.expected zq.output)))
+
+(rule
+ (target zq.expected)
+ (enabled_if
+  (= %{arch_sixtyfour} true))
+ (action
+  (copy zq.output64 %{target})))
+
+(rule
+ (target zq.expected)
+ (enabled_if
+  (= %{arch_sixtyfour} false))
+ (action
+  (copy zq.output32 %{target})))
--- a/tests/zq.ml
+++ b/tests/zq.ml
@@ -825,3 +825,4 @@ let test_Q () =
 
 let _ = test_Z()
 let _ = test_Q()
+let _ = flush stdout