zig: update to version 0.13.0

    - Update to version 0.13.0
    - Force static linking of llvm/clang; this was the default previously
    - Since llvm/clang are linking statically these can be build-only dependencies.

    Closes: https://trac.macports.org/ticket/70584
    Supersedes: #24430

lang/zig/Portfile

@@ -7,7 +7,7 @@ PortGroup           legacysupport 1.1
 
 legacysupport.use_static  yes
 
-github.setup        ziglang zig 0.12.1
+github.setup        ziglang zig 0.13.0
 github.tarball_from archive
 revision            0
 
@@ -23,19 +23,19 @@ long_description    Zig is a general-purpose programming language designed for \
 
 homepage            https://ziglang.org/
 
-set llvm_version    17
+set llvm_version    18
 
-depends_lib-append  port:clang-${llvm_version} \
-                    port:ncurses \
+depends_lib-append  port:ncurses \
                     port:libxml2 \
                     port:zlib \
                     port:zstd
 depends_build-append \
-                    port:llvm-${llvm_version}
+                    port:llvm-${llvm_version} \
+                    port:clang-${llvm_version}
 
-checksums           rmd160  bc0f9330a016ea1ba1d271820d746d6c3580f550 \
-                    sha256  22c7b41238b808db5f62be1d08099f841bb812ec2fea9d7de9fcbb6b8e347b14 \
-                    size    26451610
+checksums           rmd160  6d81a7d1f3e6f67ebfffc453b5a45b39f88ae641 \
+                    sha256  d3912858003e340f315224bf177d0f441d86b81f62854f5c141b6d51ab6b5516 \
+                    size    26656532
 
 set llvm_config     LLVM_CONFIG=llvm-config-mp-${llvm_version}
 
@@ -47,6 +47,9 @@ cmake_share_module_dir \
 cmake.install_rpath-append \
                     ${prefix}/libexec/llvm-${llvm_version}/lib
 
+# We need to link LLVM statically until a way is found to force zig to link the system libc++ dynamically.
+configure.args-append -DZIG_STATIC_LLVM=ON
+
 platform darwin {
     # due to the new linker (which was introduced in Xcode 15: https://developer.apple.com/documentation/xcode-release-notes/xcode-15-release-notes),
     # this port requires '-ld_classic' to build successfully with the toolchains from Xcode 15 or Command Line Tools 15.