[bug#54852] [PATCH] gnu: Add openjdk18.

[Rostislav Svoboda <rostislav.svoboda@gmail.com>]

---
 gnu/packages/java.scm | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/gnu/packages/java.scm b/gnu/packages/java.scm
index 6738b5dc35..10c84d2973 100644
--- a/gnu/packages/java.scm
+++ b/gnu/packages/java.scm
@@ -2263,6 +2263,39 @@ (define-public openjdk17
                  (("^#!.*") "#! java BlockedCertsConverter SHA-256\n"))))))))
     (home-page "https://openjdk.java.net/projects/jdk/17")))
 
+(define-public openjdk18
+  (package
+    (inherit openjdk17)
+    (name "openjdk")
+    (version "18")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/openjdk/jdk18u")
+                    (commit (string-append "jdk-" version "-ga"))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "1bv6bdhkmwvn10l0xy8yi9xibds640hs5zsvx0jp7wrxa3qw4qy8"))))
+    (native-inputs
+     `(("autoconf" ,autoconf)
+       ("openjdk17:jdk" ,openjdk17 "jdk")
+       ("pkg-config" ,pkg-config)
+       ("unzip" ,unzip)
+       ("which" ,which)
+       ("zip" ,zip)))
+    (arguments
+     (substitute-keyword-arguments (package-arguments openjdk16)
+       ((#:phases phases)
+        `(modify-phases ,phases
+           (replace 'fix-java-shebangs
+             (lambda _
+               ;; This file was "fixed" by patch-source-shebangs, but it requires
+               ;; this exact first line.
+               (substitute* "make/data/blockedcertsconverter/blocked.certs.pem"
+                 (("^#!.*") "#! java BlockedCertsConverter SHA-256\n"))))))))
+    (home-page "https://openjdk.java.net/projects/jdk/18")))
+
 (define-public icedtea icedtea-8)
 
 \f
-- 
2.35.1