Updated meson build options

meson.build

@@ -31,6 +31,46 @@ if get_option('no_exceptions')
   compile_args += '-DSPDLOG_NO_EXCEPTIONS'
 endif
 
+if get_option('wchar_support')
+    if build_machine.system() != 'windows'
+        error('wchar_support only supported under windows')
+    endif
+    compile_args += '-DSPDLOG_WCHAR_TO_UTF8_SUPPORT'
+endif
+
+if get_option('wchar_filenames')
+    if build_machine.system() != 'windows'
+        error('wchar_support only supported under windows')
+    endif
+      compile_args += '-DSPDLOG_WCHAR_FILENAMES'
+endif
+
+if get_option('clock_coarse')
+    if build_machine.system() != 'linux'
+        error('clock_coarse only supported under linux')
+    endif
+    compile_args += '-DSPDLOG_CLOCK_COARSE'
+endif
+
+if get_option('prevent_child_fd')
+    compile_args += '-DSPDLOG_PREVENT_CHILD_FD'
+endif
+
+if get_option('no_thread_id')
+    compile_args += '-DSPDLOG_NO_THREAD_ID'
+endif
+
+if get_option('no_tls')
+    compile_args += '-DSPDLOG_NO_TLS'
+endif
+
+if get_option('no_atomic_levels')
+    compile_args += '-DSPDLOG_NO_ATOMIC_LEVELS'
+endif
+
+compile_args_compiled = compile_args + ['-DSPDLOG_COMPILED_LIB']
+compile_args_ho = compile_args
+
 # ------------------------------------
 # ---   Compiled library version   ---
 # ------------------------------------
@@ -53,7 +93,7 @@ if get_option('library_type') == 'static'
     spdlog = static_library(
     'spdlog',
     spdlog_srcs,
-    cpp_args            : [compile_args] + ['-DSPDLOG_COMPILED_LIB'],
+    cpp_args            : compile_args_compiled,
     include_directories : spdlog_inc,
     dependencies        : dep_list,
     install             : not meson.is_subproject()
@@ -61,7 +101,7 @@ if get_option('library_type') == 'static'
 else
     spdlog = shared_library('spdlog',
     spdlog_srcs,
-    cpp_args            : [compile_args] + ['-DSPDLOG_COMPILED_LIB'],
+    cpp_args            : compile_args_compiled,
     include_directories : spdlog_inc,
     dependencies        : dep_list,
     install             : not meson.is_subproject(),
@@ -71,7 +111,7 @@ endif
 spdlog_dep = declare_dependency(
       link_with           : spdlog,
       include_directories : spdlog_inc,
-  compile_args        : compile_args + ['-DSPDLOG_COMPILED_LIB'],
+      compile_args        : compile_args_compiled,
       dependencies        : dep_list,
       version             : meson.project_version(),
 )
@@ -81,7 +121,7 @@ spdlog_dep = declare_dependency(
 # ----------------------------------
 spdlog_headeronly_dep = declare_dependency(
     include_directories : spdlog_inc,
-  compile_args        : compile_args,
+    compile_args        : compile_args_ho,
     dependencies        : dep_list,
     version             : meson.project_version(),
 )
@@ -99,7 +139,7 @@ if not meson.is_subproject()
     name         : 'spdlog',
     description  : 'Fast C++ logging library',
     url          : 'https://github.com/gabime/spdlog',
-    extra_cflags : ['-DSPDLOG_COMPILED_LIB']
+    extra_cflags : compile_args_compiled
     )
 endif
 
@@ -124,7 +164,6 @@ endif
 # -------------------
 
 summary_str = '''spdlog build summary:
-
   - using external fmt:  @0@
   - building tests:      @1@
   - building examples:   @2@

meson_options.txt

@@ -4,3 +4,11 @@ option('enable_benchmarks', type: 'boolean', value: false, description: 'Build b
 option('enable_tests',      type: 'boolean', value: true, description: 'Build tests')
 option('library_type',      type: 'combo', choices: ['static', 'shared'], value: 'static', description: 'Library build type')
 option('no_exceptions',     type: 'boolean', value: false, description: 'Disabled exceptions - abort() instead any error')
+
+option('wchar_support',     type: 'boolean', value: false, description:'(Windows only) Support wchar api')
+option('wchar_filenames',   type: 'boolean', value: false, description: '(Windows only) Support wchar filenames')
+option('clock_coarse',      type: 'boolean', value: false, description:  '(Linux only) Use the much faster (but much less accurate) CLOCK_REALTIME_COARSE instead of the regular clock')
+option('prevent_child_fd',  type: 'boolean', value: false, description:  'Prevent from child processes to inherit log file descriptors')
+option('no_thread_id',      type: 'boolean', value: false, description:  'prevent spdlog from querying the thread id on each log call if thread id is not needed')
+option('no_tls',            type: 'boolean', value: false, description:  'prevent spdlog from using thread local storage')
+option('no_atomic_levels',  type: 'boolean', value: false, description:  'prevent spdlog from using of std::atomic log levels (use only if your code never modifies log levels concurrently')