Fails to build on Darwin:
clang++ -shared -s highlight_wrap.o -L../../src/ -lhighlight -L/nix/store/bi85dm5dqzjfm0i9qj3ijjj9w9xayy8w-lua-5.2.4/lib -llua -lm -o highlight.so
ld: warning: option -s is obsolete and being ignored
Undefined symbols for architecture x86_64:
"_PL_markstack_max", referenced from:
__wrap_DataDir_getLangPath in highlight_wrap.o
__wrap_DataDir_getThemePath in highlight_wrap.o
__wrap_DataDir_getFiletypesConfPath in highlight_wrap.o
__wrap_DataDir_getPluginPath in highlight_wrap.o
__wrap_DataDir_guessFileType in highlight_wrap.o
__wrap_SyntaxReader_initLuaState in highlight_wrap.o
__wrap_new_RegexElement in highlight_wrap.o
...
"_PL_markstack_ptr", referenced from:
__wrap_DataDir_assocByExtension_set in highlight_wrap.o
__wrap_DataDir_assocByExtension_get in highlight_wrap.o
__wrap_DataDir_assocByFilename_set in highlight_wrap.o
__wrap_DataDir_assocByFilename_get in highlight_wrap.o
__wrap_DataDir_assocByShebang_set in highlight_wrap.o
__wrap_DataDir_assocByShebang_get in highlight_wrap.o
__wrap_DataDir_initSearchDirectories in highlight_wrap.o
...
"_PL_stack_base", referenced from:
__wrap_DataDir_assocByExtension_set in highlight_wrap.o
__wrap_DataDir_assocByExtension_get in highlight_wrap.o
__wrap_DataDir_assocByFilename_set in highlight_wrap.o
__wrap_DataDir_assocByFilename_get in highlight_wrap.o
__wrap_DataDir_assocByShebang_set in highlight_wrap.o
__wrap_DataDir_assocByShebang_get in highlight_wrap.o
__wrap_DataDir_initSearchDirectories in highlight_wrap.o
...
"_PL_stack_sp", referenced from:
__wrap_DataDir_assocByExtension_set in highlight_wrap.o
__wrap_DataDir_assocByExtension_get in highlight_wrap.o
__wrap_DataDir_assocByFilename_set in highlight_wrap.o
__wrap_DataDir_assocByFilename_get in highlight_wrap.o
__wrap_DataDir_assocByShebang_set in highlight_wrap.o
__wrap_DataDir_assocByShebang_get in highlight_wrap.o
__wrap_DataDir_initSearchDirectories in highlight_wrap.o
...
"_PL_sv_immortals", referenced from:
__wrap_DataDir_getLangPath__SWIG_0 in highlight_wrap.o
__wrap_DataDir_getThemePath__SWIG_0 in highlight_wrap.o
__wrap_DataDir_getLangPath__SWIG_1 in highlight_wrap.o
__wrap_DataDir_getSystemDataPath in highlight_wrap.o
__wrap_DataDir_getPluginPath__SWIG_0 in highlight_wrap.o
__wrap_DataDir_getThemePath__SWIG_1 in highlight_wrap.o
SWIG_AsVal_bool(sv*, bool*) in highlight_wrap.o
...
"_Perl_croak", referenced from:
SWIG_croak_null() in highlight_wrap.o
__wrap_DataDir_getLangPath__SWIG_0 in highlight_wrap.o
__wrap_DataDir_getThemePath__SWIG_0 in highlight_wrap.o
__wrap_DataDir_getLangPath__SWIG_1 in highlight_wrap.o
__wrap_DataDir_getLangPath in highlight_wrap.o
__wrap_DataDir_getSystemDataPath in highlight_wrap.o
__wrap_DataDir_getPluginPath__SWIG_0 in highlight_wrap.o
...
"_Perl_get_sv", referenced from:
__wrap_DataDir_assocByExtension_set in highlight_wrap.o
SWIG_croak_null() in highlight_wrap.o
__wrap_DataDir_assocByExtension_get in highlight_wrap.o
__wrap_DataDir_assocByFilename_set in highlight_wrap.o
__wrap_DataDir_assocByFilename_get in highlight_wrap.o
__wrap_DataDir_assocByShebang_set in highlight_wrap.o
__wrap_DataDir_assocByShebang_get in highlight_wrap.o
...
"_Perl_gv_add_by_type", referenced from:
SWIG_Perl_ConvertPtr(sv*, void**, swig_type_info*, int) in highlight_wrap.o
SWIG_Perl_MakePtr(sv*, void*, swig_type_info*, int) in highlight_wrap.o
"_Perl_gv_init_pvn", referenced from:
SWIG_Perl_MakePtr(sv*, void*, swig_type_info*, int) in highlight_wrap.o
"_Perl_hv_common", referenced from:
SWIG_Perl_ConvertPtr(sv*, void**, swig_type_info*, int) in highlight_wrap.o
SWIG_Perl_MakePtr(sv*, void*, swig_type_info*, int) in highlight_wrap.o
"_Perl_hv_common_key_len", referenced from:
SWIG_Perl_ConvertPtr(sv*, void**, swig_type_info*, int) in highlight_wrap.o
SWIG_Perl_MakePtr(sv*, void*, swig_type_info*, int) in highlight_wrap.o
"_Perl_markstack_grow", referenced from:
__wrap_DataDir_getLangPath in highlight_wrap.o
__wrap_DataDir_getThemePath in highlight_wrap.o
__wrap_DataDir_getFiletypesConfPath in highlight_wrap.o
__wrap_DataDir_getPluginPath in highlight_wrap.o
__wrap_DataDir_guessFileType in highlight_wrap.o
__wrap_SyntaxReader_initLuaState in highlight_wrap.o
__wrap_new_RegexElement in highlight_wrap.o
...
"_Perl_mg_find", referenced from:
SWIG_Perl_ConvertPtr(sv*, void**, swig_type_info*, int) in highlight_wrap.o
_boot_highlight in highlight_wrap.o
"_Perl_mg_get", referenced from:
SWIG_Perl_ConvertPtr(sv*, void**, swig_type_info*, int) in highlight_wrap.o
SWIG_AsVal_bool(sv*, bool*) in highlight_wrap.o
"_Perl_newRV_noinc", referenced from:
SWIG_Perl_MakePtr(sv*, void*, swig_type_info*, int) in highlight_wrap.o
"_Perl_newSV", referenced from:
SWIG_Perl_MakePtr(sv*, void*, swig_type_info*, int) in highlight_wrap.o
"_Perl_newSV_type", referenced from:
SWIG_Perl_MakePtr(sv*, void*, swig_type_info*, int) in highlight_wrap.o
"_Perl_newSViv", referenced from:
__wrap_SyntaxReader_load in highlight_wrap.o
__wrap_SyntaxReader_getKeywordListGroup in highlight_wrap.o
__wrap_SyntaxReader_getPersistentSnippetsNum in highlight_wrap.o
__wrap_SyntaxReader_getOpenDelimiterID in highlight_wrap.o
__wrap_RegexElement_open_get in highlight_wrap.o
__wrap_RegexElement_end_get in highlight_wrap.o
__wrap_RegexElement_capturingGroup_get in highlight_wrap.o
...
"_Perl_newSVuv", referenced from:
__wrap_SyntaxReader_getRawStringPrefix in highlight_wrap.o
__wrap_SyntaxReader_getContinuationChar in highlight_wrap.o
__wrap_RegexElement_kwClass_get in highlight_wrap.o
__wrap_RegexElement_priority_get in highlight_wrap.o
__wrap_RegexElement_constraintLineNum_get in highlight_wrap.o
__wrap_ReGroup_length_get in highlight_wrap.o
__wrap_ReGroup_kwClass_get in highlight_wrap.o
...
"_Perl_newXS", referenced from:
_boot_highlight in highlight_wrap.o
"_Perl_sv_2bool_flags", referenced from:
SWIG_AsVal_bool(sv*, bool*) in highlight_wrap.o
"_Perl_sv_2iv_flags", referenced from:
SWIG_Perl_ConvertPtr(sv*, void**, swig_type_info*, int) in highlight_wrap.o
SWIG_AsVal_unsigned_SS_int(sv*, unsigned int*) in highlight_wrap.o
_boot_highlight in highlight_wrap.o
SWIG_AsVal_long(sv*, long*) in highlight_wrap.o
SWIG_AsVal_double(sv*, double*) in highlight_wrap.o
"_Perl_sv_2mortal", referenced from:
__wrap_SyntaxReader_load in highlight_wrap.o
__wrap_SyntaxReader_getRawStringPrefix in highlight_wrap.o
__wrap_SyntaxReader_getContinuationChar in highlight_wrap.o
__wrap_SyntaxReader_getKeywordListGroup in highlight_wrap.o
__wrap_SyntaxReader_getPersistentSnippetsNum in highlight_wrap.o
__wrap_SyntaxReader_getOpenDelimiterID in highlight_wrap.o
__wrap_RegexElement_open_get in highlight_wrap.o
...
"_Perl_sv_2nv_flags", referenced from:
SWIG_AsVal_double(sv*, double*) in highlight_wrap.o
"_Perl_sv_2pv_flags", referenced from:
SWIG_croak_null() in highlight_wrap.o
__wrap_DataDir_getLangPath__SWIG_0 in highlight_wrap.o
__wrap_DataDir_getThemePath__SWIG_0 in highlight_wrap.o
__wrap_DataDir_getLangPath__SWIG_1 in highlight_wrap.o
__wrap_DataDir_getSystemDataPath in highlight_wrap.o
__wrap_DataDir_getPluginPath__SWIG_0 in highlight_wrap.o
__wrap_DataDir_getThemePath__SWIG_1 in highlight_wrap.o
...
"_Perl_sv_2uv_flags", referenced from:
SWIG_AsVal_unsigned_SS_int(sv*, unsigned int*) in highlight_wrap.o
SWIG_AsVal_long(sv*, long*) in highlight_wrap.o
"_Perl_sv_bless", referenced from:
SWIG_Perl_MakePtr(sv*, void*, swig_type_info*, int) in highlight_wrap.o
"_Perl_sv_free2", referenced from:
SWIG_Perl_MakePtr(sv*, void*, swig_type_info*, int) in highlight_wrap.o
"_Perl_sv_isobject", referenced from:
SWIG_Perl_ConvertPtr(sv*, void**, swig_type_info*, int) in highlight_wrap.o
SWIG_croak_null() in highlight_wrap.o
__wrap_DataDir_getLangPath__SWIG_0 in highlight_wrap.o
__wrap_DataDir_getThemePath__SWIG_0 in highlight_wrap.o
__wrap_DataDir_getLangPath__SWIG_1 in highlight_wrap.o
__wrap_DataDir_getSystemDataPath in highlight_wrap.o
__wrap_DataDir_getPluginPath__SWIG_0 in highlight_wrap.o
...
"_Perl_sv_magic", referenced from:
_boot_highlight in highlight_wrap.o
SWIG_Perl_MakePtr(sv*, void*, swig_type_info*, int) in highlight_wrap.o
"_Perl_sv_newmortal", referenced from:
__wrap_DataDir_assocByExtension_set in highlight_wrap.o
__wrap_DataDir_assocByExtension_get in highlight_wrap.o
__wrap_DataDir_assocByFilename_set in highlight_wrap.o
__wrap_DataDir_assocByFilename_get in highlight_wrap.o
__wrap_DataDir_assocByShebang_set in highlight_wrap.o
__wrap_DataDir_assocByShebang_get in highlight_wrap.o
__wrap_DataDir_initSearchDirectories in highlight_wrap.o
...
"_Perl_sv_setiv", referenced from:
_boot_highlight in highlight_wrap.o
"_Perl_sv_setpvf", referenced from:
__wrap_DataDir_assocByExtension_set in highlight_wrap.o
__wrap_DataDir_assocByExtension_get in highlight_wrap.o
__wrap_DataDir_assocByFilename_set in highlight_wrap.o
__wrap_DataDir_assocByFilename_get in highlight_wrap.o
__wrap_DataDir_assocByShebang_set in highlight_wrap.o
__wrap_DataDir_assocByShebang_get in highlight_wrap.o
__wrap_DataDir_initSearchDirectories in highlight_wrap.o
...
"_Perl_sv_setpvn", referenced from:
__wrap_DataDir_getLangPath__SWIG_0 in highlight_wrap.o
__wrap_DataDir_getThemePath__SWIG_0 in highlight_wrap.o
__wrap_DataDir_getLangPath__SWIG_1 in highlight_wrap.o
__wrap_DataDir_getSystemDataPath in highlight_wrap.o
__wrap_DataDir_getPluginPath__SWIG_0 in highlight_wrap.o
__wrap_DataDir_getThemePath__SWIG_1 in highlight_wrap.o
__wrap_DataDir_getThemePath__SWIG_2 in highlight_wrap.o
...
"_Perl_sv_setref_pv", referenced from:
__wrap_DataDir_assocByExtension_get in highlight_wrap.o
__wrap_DataDir_assocByFilename_get in highlight_wrap.o
__wrap_DataDir_assocByShebang_get in highlight_wrap.o
__wrap_SyntaxReader_getKeywords in highlight_wrap.o
__wrap_SyntaxReader_getKeywordClasses in highlight_wrap.o
__wrap_SyntaxReader_getRegexElements in highlight_wrap.o
__wrap_SyntaxReader_getPersistentSnippets in highlight_wrap.o
...
"_Perl_sv_setsv_flags", referenced from:
__wrap_DataDir_getLangPath__SWIG_0 in highlight_wrap.o
__wrap_DataDir_getThemePath__SWIG_0 in highlight_wrap.o
__wrap_DataDir_getLangPath__SWIG_1 in highlight_wrap.o
__wrap_DataDir_getSystemDataPath in highlight_wrap.o
__wrap_DataDir_getPluginPath__SWIG_0 in highlight_wrap.o
__wrap_DataDir_getThemePath__SWIG_1 in highlight_wrap.o
__wrap_DataDir_getThemePath__SWIG_2 in highlight_wrap.o
...
ld: symbol(s) not found for architecture x86_64
clang-7: error: linker command failed with exit code 1 (use -v to see invocation)
7e1a3d01d7