fmt: add header-only option to make it truly header-only

releases.json

@@ -841,6 +841,7 @@
       "fmt"
     ],
     "versions": [
+      "11.1.1-2",
       "11.1.1-1",
       "11.0.2-1",
       "11.0.1-1",

subprojects/packagefiles/fmt/meson.build

@@ -7,19 +7,24 @@ if get_option('default_library') == 'shared'
   fmt_interface_cpp_args += ['-DFMT_SHARED']
 endif
 
+header_only = get_option('header-only')
+
 fmt_lib = library(
   'fmt',
   'src/format.cc',
   'src/os.cc',
   cpp_args: fmt_private_cpp_args,
   include_directories: 'include',
-  install: true,
+  build_by_default: not header_only,
+  install: not header_only,
 )
 
-install_subdir('include',
-  strip_directory: true,
-  install_dir: get_option('includedir'),
-)
+if not header_only
+  install_subdir('include',
+    strip_directory: true,
+    install_dir: get_option('includedir'),
+  )
+endif
 
 fmt_dep = declare_dependency(
   include_directories: 'include',
@@ -36,8 +41,10 @@ fmt_header_only_dep = declare_dependency(
   compile_args: '-DFMT_HEADER_ONLY',
 )
 
-pkg_mod = import('pkgconfig')
-pkg_mod.generate(fmt_lib,
-  name: 'fmt',
-  filebase: 'fmt',
-)
+if not header_only
+  pkg_mod = import('pkgconfig')
+  pkg_mod.generate(fmt_lib,
+    name: 'fmt',
+    filebase: 'fmt',
+  )
+endif

subprojects/packagefiles/fmt/meson_options.txt

@@ -0,0 +1,6 @@
+option(
+  'header-only',
+  type: 'boolean',
+  value: false,
+  description: 'enable header only mode and disable build for libfmt',
+)