Link the image straight to PE with the compiler and lld when
-Defi-pe-libdir names a directory holding a COFF libefi.a. This needs
neither objcopy with PE support nor the ELF linker script and crt0.

--- a/meson.build
+++ b/meson.build
@@ -10,7 +10,7 @@
 
 cc = meson.get_compiler('c')
 cc_ld = find_program(cc.get_linker_id())
-objcopy = find_program('objcopy')
+objcopy = find_program('objcopy', 'llvm-objcopy')
 objcopy_version = run_command(objcopy, '--version', check: true).stdout().split('\n')[0].split(' ')[-1]
 
 gnuefi = dependency('gnu-efi', version: '>= 3.0.18')
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -1,4 +1,5 @@
 option('efi-libdir', type : 'string', description : 'path to the EFI lib directory')
+option('efi-pe-libdir', type : 'string', description : 'directory with a PE/COFF libefi.a; links the image directly with the compiler and lld, without objcopy')
 option('efi-ldsdir', type : 'string', description : 'path to the EFI lds directory')
 option('efi-includedir', type : 'string', value : '/usr/include/efi', description : 'path to the EFI header directory')
 option('efi_sbat_fwupd_generation', type : 'integer', value : 1, description : 'SBAT fwupd generation')
--- a/efi/meson.build
+++ b/efi/meson.build
@@ -203,6 +203,19 @@
 # no special cases for aarch64 or arm
 endif
 
+efi_pe_libdir = get_option('efi-pe-libdir')
+if efi_pe_libdir != ''
+  pe_args = ['--target=x86_64-w64-mingw32', '-fno-exceptions',
+             '-fno-unwind-tables', '-fno-asynchronous-unwind-tables',
+             '-D_text=__ImageBase', '-D_data=__ImageBase']
+  foreach a : compile_args
+    if a not in ['-fpic', '-fexceptions', '--param=ssp-buffer-size=4']
+      pe_args += a
+    endif
+  endforeach
+  compile_args = pe_args
+endif
+
 efi_ldflags = ['-T',
                join_paths(efi_ldsdir, arch_lds),
                '-shared',
@@ -308,6 +321,22 @@
   fwupd_so_deps += [o_crt0]
 endif
 
+if efi_pe_libdir != ''
+  app = custom_target(efi_name,
+                      input : o_files,
+                      output : efi_name,
+                      command : [cc.cmd_array(), '--target=x86_64-w64-mingw32',
+                                 '-nostdlib', '-fuse-ld=lld',
+                                 '-Wl,-dll', '-Wl,--subsystem,efi_application',
+                                 '-Wl,--entry,efi_main', '-Wl,--image-base,0',
+                                 '-Wl,--file-alignment,512',
+                                 '-Wl,-s',
+                                 '-o', '@OUTPUT@', '@INPUT@',
+                                 join_paths(efi_pe_libdir, 'libefi.a')],
+                      depends: fwupd_so_deps,
+                      install : true,
+                      install_dir : efi_app_location)
+else
 so = custom_target('fwup.so',
                    input : o_files,
                    output : 'fwup.so',
@@ -350,3 +379,4 @@
                                ['@INPUT@', '@OUTPUT@'],
                     install : false,
                     install_dir : debugdir)
+endif