ci: Fixing Windows Clang build using meson native file

Set up a meson native file to use when compiling with Clang to fix the resource compiler issue since that seems to be not detected correctly automatically.

Signed-off-by: Tyler Erickson <tyler.erickson@seagate.com>

.github/workflows/meson.yml

@@ -67,6 +67,7 @@ jobs:
             os: windows-latest,
             cc: "clang.exe",
             cxx: "clang++.exe",
+            meson_opts: "--native-file=./meson_crosscompile/Windows-Clang.txt",
             release_name: "win-x86_64-clang",
             release_extension: ".zip",
             archive_command: "7z a -tzip -mmt"

meson.build

@@ -154,7 +154,7 @@ add_project_link_arguments(c.get_supported_link_arguments(linker_flags), languag
 small_code_cc_flags = []
 small_code_link_flags = []
 
-if (c.get_id() == 'gcc' or c.get_id() == 'clang')
+if (c.get_id() == 'gcc' or c.get_id() == 'clang') and target_machine.system() != 'windows'
 
   small_code_cc_flags = [
       '-ffunction-sections',

meson_crosscompile/Windows-Clang.txt

@@ -0,0 +1,32 @@
+#See https://mesonbuild.com/Cross-compilation.html
+#and https://mesonbuild.com/Machine-files.html
+#and https://mesonbuild.com/Reference-tables.html#cpu-families
+#example usage of this file:
+#    meson setup --buildtype=release --native-file=./meson_crosscompile/Windows-Clang.txt nativebuild_win_clang
+#    ninja -C nativebuild_win_clang
+
+#NOTE: This is for the LLVM.exe installer from github.
+
+[binaries]
+c = 'clang.exe'
+cpp = 'clang++.exe'
+ar = 'llvm-ar.exe'
+c_ld = 'lld-link.exe'
+cpp_ld = 'lld-link.exe'
+strip = 'llvm-strip.exe'
+windres = 'llvm-rc.exe'
+llvm-config = 'llvm-config.exe'
+
+[properties]
+has_function_printf = true
+
+[host_machine]
+system = 'windows'
+subsystem = 'windows'
+kernel = 'nt'
+endian = 'little'
+cpu_family = 'x86_64'
+cpu = ''
+
+[built-in options]
+default_library='static'