add bignum option

meson.build

@@ -4,9 +4,12 @@ cc = meson.get_compiler('c')
 m_dep = cc.find_library('m', required:false)
 
 add_project_arguments('-DCONFIG_VERSION="2024-02-14"', language : 'c')
-add_project_arguments('-DCONFIG_BIGNUM', language : 'c')
 
-lib_sources = ['libbf.c', 'libregexp.c', 'quickjs.c', 'libunicode.c', 'cutils.c','quickjs-libc.c']
+if get_option('bignum')
+  add_project_arguments('-DCONFIG_BIGNUM', language : 'c')
+endif
+
+lib_sources = ['libbf.c', 'libregexp.c', 'quickjs.c', 'libunicode.c', 'cutils.c']
 
 libquickjs = library('quickjs',
   lib_sources,
@@ -14,3 +17,27 @@ libquickjs = library('quickjs',
 )
 
 quickjs_dep = declare_dependency(link_with: libquickjs, include_directories: include_directories('.'), dependencies: m_dep)
+
+qjsc = executable('qjsc',
+  'qjsc.c', 'quickjs-libc.c',
+  dependencies: quickjs_dep
+)
+
+qjscalc_c = custom_target(
+  'qjscalc_c',
+  output: 'qjscalc.c',
+  input: 'qjscalc.js',
+  command: [qjsc, '-fbignum', '-c', '-o', '@OUTPUT@', '@INPUT@'],
+)
+
+qjsrepl_c = custom_target(
+  'qjsrepl_c',
+  output: 'repl.c',
+  input: 'repl.js',
+  command: [qjsc, '-fbignum', '-c', '-o', '@OUTPUT@', '-m', '@INPUT@'],
+)
+
+qjs = executable('qjs',
+  'qjs.c', 'quickjs-libc.c', qjscalc_c, qjsrepl_c,
+  dependencies: quickjs_dep
+)

meson.options

@@ -0,0 +1 @@
+option('bignum', type:'boolean', value:true)