gpgme @1.23.2 does not build on PPC Tiger, Mac OS X 10.4.11, because of "Undefined symbols"

[ballapete (Peter "Pete" Dyballa)]

libtool: compile:  /opt/local/bin/g++-mp-7 -std=c++11 -DHAVE_CONFIG_H -I. -I../../../conf -I../../../src -fvisibility=hidden -I/opt/local/include -I/opt/local/include -DBUILDING_GPGMEPP -Wsuggest-override -Wzero-as-null-pointer-constant -I/opt/local/include -pipe -Os -std=c++17 -D_GLIBCXX_USE_CXX11_ABI=0 -arch ppc -MT context_vanilla.lo -MD -MP -MF .deps/context_vanilla.Tpo -c context_vanilla.cpp -o context_vanilla.o >/dev/null 2>&1
mv -f .deps/context_vanilla.Tpo .deps/context_vanilla.Plo
/bin/sh ../../../libtool  --tag=CXX   --mode=link /opt/local/bin/g++-mp-7 -std=c++11  -pipe -Os -std=c++17 -D_GLIBCXX_USE_CXX11_ABI=0 -arch ppc -no-undefined -version-info 26:1:20 -L/opt/local/lib -Wl,-headerpad_max_install_names -arch ppc -o libgpgmepp.la -rpath /opt/local/lib exception.lo context.lo key.lo trustitem.lo data.lo callbacks.lo eventloopinteractor.lo editinteractor.lo keylistresult.lo keygenerationresult.lo importresult.lo decryptionresult.lo verificationresult.lo signingresult.lo encryptionresult.lo engineinfo.lo gpgsetexpirytimeeditinteractor.lo gpgsetownertrusteditinteractor.lo gpgsignkeyeditinteractor.lo gpgadduserideditinteractor.lo gpggencardkeyinteractor.lo gpgaddexistingsubkeyeditinteractor.lo gpgrevokekeyeditinteractor.lo defaultassuantransaction.lo scdgetinfoassuantransaction.lo gpgagentgetinfoassuantransaction.lo statusconsumerassuantransaction.lo vfsmountresult.lo configuration.lo tofuinfo.lo swdbresult.lo util.lo  context_vanilla.lo   ../../../src/libgpgme.la -L/opt/local/lib -lassuan 
libtool: link: /opt/local/bin/g++-mp-7 -dynamiclib -arch ppc  -o .libs/libgpgmepp.6.dylib  .libs/exception.o .libs/context.o .libs/key.o .libs/trustitem.o .libs/data.o .libs/callbacks.o .libs/eventloopinteractor.o .libs/editinteractor.o .libs/keylistresult.o .libs/keygenerationresult.o .libs/importresult.o .libs/decryptionresult.o .libs/verificationresult.o .libs/signingresult.o .libs/encryptionresult.o .libs/engineinfo.o .libs/gpgsetexpirytimeeditinteractor.o .libs/gpgsetownertrusteditinteractor.o .libs/gpgsignkeyeditinteractor.o .libs/gpgadduserideditinteractor.o .libs/gpggencardkeyinteractor.o .libs/gpgaddexistingsubkeyeditinteractor.o .libs/gpgrevokekeyeditinteractor.o .libs/defaultassuantransaction.o .libs/scdgetinfoassuantransaction.o .libs/gpgagentgetinfoassuantransaction.o .libs/statusconsumerassuantransaction.o .libs/vfsmountresult.o .libs/configuration.o .libs/tofuinfo.o .libs/swdbresult.o .libs/util.o .libs/context_vanilla.o   -L/opt/local/lib ../../../src/.libs/libgpgme.dylib /opt/local/lib/libgpg-error.dylib /opt/local/lib/libassuan.dylib  -Os -arch ppc -Wl,-headerpad_max_install_names -arch ppc   -install_name  /opt/local/lib/libgpgmepp.6.dylib -compatibility_version 27 -current_version 27.1 -Wl,-single_module
Undefined symbols:
  "strcasecmp(char const*, char const*)", referenced from:
      GpgME::Key::isRoot() const in key.o
      GpgME::Key::mergeWith(GpgME::Key const&) in key.o
ld: symbol(s) not found
collect2: error: ld returned 1 exit status
make[4]: *** [libgpgmepp.la] Error 1
make[4]: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_nue.de.rsync.macports.org_macports_release_tarballs_ports_devel_gpgme/gpgme/work/gpgme-1.23.2/lang/cpp/src'

In C I's say strcasecmp is in libc…

These seem to be the relevant statements:

/opt/local/var/macports/build/_opt_local_var_macports_sources_nue.de.rsync.macports.org_macports_release_tarballs_ports_devel_gpgme/gpgme/work/gpgme-1.23.2/lang/cpp/src/key.cpp:201:           strcasecmp(key->subkeys->fpr, key->chain_id) == 0;
/opt/local/var/macports/build/_opt_local_var_macports_sources_nue.de.rsync.macports.org_macports_release_tarballs_ports_devel_gpgme/gpgme/work/gpgme-1.23.2/lang/cpp/src/key.cpp:329:            strcasecmp(this->primaryFingerprint(), other.primaryFingerprint()) != 0) {

[ballapete (Peter "Pete" Dyballa)]

Main.log from PPC Tiger, Mac OS X 10.4.11

[barracuda156]

Replying to ballapete:

Yeah, it fails.

Did you try reporting this to upstream? ​https://www.gnupg.org/documentation/bts.html

[ballapete (Peter "Pete" Dyballa)]

Replying to barracuda156:

Did you try reporting this to upstream? ​https://www.gnupg.org/documentation/bts.html

Yes: ​https://dev.gnupg.org/T7056. Werner Koch relegated to me a German developer who did not respond. Now easter is over and so are the school holidays. Time for repetition!

[barracuda156]

Maybe this can be ported? ​https://github.com/muttmua/mutt/blob/1f3da81014914afad4b07086a7d56af9ee32f9aa/strcasecmp.c

Ideally, of course, this should go into legacysupport.

16. S. Alternatively, C++ can be disabled, but that will leave some dependents in trouble. (Well, still better than a broken gpgme though.)

[ballapete (Peter "Pete" Dyballa)]

According to ​https://developer.apple.com/documentation/kernel/1579333-strcasecmp strcasecmp() is in Tiger… And I also see it declared in string.h and strings.h – although put between include guards as neither for _ANSI_SOURCE nor _POSIX_C_SOURCE. A manual entry exists as well – but it seems missing from libc…

[kencu (Ken)]

it's also in /usr/lib/libSystem.dylib (check with nm).

So -- bit of a mystery to solve yet.

[ballapete (Peter "Pete" Dyballa)]

Replying to kencu:

it's also in /usr/lib/libSystem.dylib (check with nm).

Yes, nm, this helps! Was using otool…

So -- bit of a mystery to solve yet.

Why I am using the wrong tools? I'd presume age, too many other "projects"…

[barracuda156]

In bbed2fcab35f2e526904ad4f8cda6f3cd69e572d/macports-ports (master):

gpgme: temporarily disable c++ part on Tiger to unbreak the port

See: #69279

[ballapete (Peter "Pete" Dyballa)]

It built now: gpgme @1.23.2_0 (active) requested_variants='' platform='darwin 8' archs='ppc' date='2024-04-30T12:12:11+0200'.

The developers seem to be uninterested…