On macOS, building libtasn1-4.16.0 fails with this error:
********
libtool: link: gcc -dynamiclib -o .libs/libtasn1.6.dylib .libs/ASN1.o
.libs/coding.o .libs/decoding.o .libs/element.o .libs/errors.o
.libs/gstr.o .libs/parser_aux.o .libs/structure.o .libs/version.o
-Wl,-force_load,gl/.libs/libgnu.a -L/sw/lib -install_name
/sw/lib/libtasn1.6.dylib -compatibility_version 13 -current_version 13.0
-Wl,-single_module -Wl,-exported_symbols_list,.libs/libtasn1-symbols.expsym
Undefined symbols for architecture x86_64:
"_c_isdigit", referenced from:
__asn1_expand_object_id in parser_aux.o
__asn1_check_identifier in parser_aux.o
********
And looking at the object files, c_isdigit is being used differently in
parser_aux.c compared to the other places in the code:
****
$ nm -o *.o | grep c_isdigit
ASN1.o: 00000000000041e0 t _c_isdigit
decoding.o: 0000000000005740 t _c_isdigit
element.o: 00000000000014e0 t _c_isdigit
parser_aux.o: U _c_isdigit
****
libtasn1-4.15.0 built fine on the same system.
Not a programmer, but happy to test patches.
Hanspeter
