libsigcpp: add v3.6.0, v2.12.1

[valgur]

.

[github-actions]

Hooks produced the following warnings for commit 77b58eb

libsigcpp/3.6.0@#ec186b368117ed53890317afe1eb945f

post_source(): WARN: [SHORT_PATHS USAGE (KB-H066)] The file './untracked/docs/docs/reference/html/classsigc_1_1trackable__signal_3_01T__return_07T__arg_8_8_8_08_4_1_1accumulated__inherit__graph.map' has a very long path and may exceed Windows max path length. Add 'short_paths = True' in your recipe.
post_source(): WARN: [SHORT_PATHS USAGE (KB-H066)] The file './untracked/docs/docs/reference/html/classsigc_1_1bound__argument_3_01std_1_1reference__wrapper_3_01const_01T__wrapped_01_4_01_4-members.html' has a very long path and may exceed Windows max path length. Add 'short_paths = True' in your recipe.
post_source(): WARN: [SHORT_PATHS USAGE (KB-H066)] The file './untracked/docs/docs/reference/html/classsigc_1_1bound__argument_3_01std_1_1reference__wrapper_3_01const_01T__wrapped_01_4_01_4-members.html' has a very long path and may exceed Windows max path length. Add 'short_paths = True' in your recipe.

libsigcpp/3.0.7@#5248f351f43934f06cf4a0f5de54ae53

post_source(): WARN: [SHORT_PATHS USAGE (KB-H066)] The file './untracked/docs/docs/reference/html/structsigc_1_1unwrap__reference_3_01std_1_1reference__wrapper_3_01const_01T__type_01_4_01_4-members.html' has a very long path and may exceed Windows max path length. Add 'short_paths = True' in your recipe.
post_source(): WARN: [SHORT_PATHS USAGE (KB-H066)] The file './untracked/docs/docs/reference/html/classsigc_1_1bound__argument_3_01std_1_1reference__wrapper_3_01const_01T__wrapped_01_4_01_4-members.html' has a very long path and may exceed Windows max path length. Add 'short_paths = True' in your recipe.
post_source(): WARN: [SHORT_PATHS USAGE (KB-H066)] The file './untracked/docs/docs/reference/html/classsigc_1_1bound__argument_3_01std_1_1reference__wrapper_3_01const_01T__wrapped_01_4_01_4-members.html' has a very long path and may exceed Windows max path length. Add 'short_paths = True' in your recipe.

[AbrilRBS]

Thanks! Small comment about the packaged contents

[AbrilRBS]

Check the hook errors, we might want to remove the uncessary doc packaging

[valgur]

It's 'long paths' warning for the source folder, but I removed it nevertheless, since it's not required for building.

[valgur]

@RubenRBS ping.

[AbrilRBS]

@valgur repinging @uilianries - im on holiday this week :)

[conan-center-bot]

Conan v1 pipeline ✔️

All green in build 1 (8c24e21e99a3ccb7f152acdc7d322935d0a153ed):

• libsigcpp/2.10.8:
  All packages built successfully! (All logs)

• libsigcpp/2.12.1:
  All packages built successfully! (All logs)

• libsigcpp/3.6.0:
  All packages built successfully! (All logs)

• libsigcpp/3.0.7:
  All packages built successfully! (All logs)

---

Conan v2 pipeline ✔️

Note: Conan v2 builds are now mandatory. Please read our discussion about it.

All green in build 1 (8c24e21e99a3ccb7f152acdc7d322935d0a153ed):

• libsigcpp/2.12.1:
  All packages built successfully! (All logs)

• libsigcpp/2.10.8:
  All packages built successfully! (All logs)

• libsigcpp/3.0.7:
  All packages built successfully! (All logs)

• libsigcpp/3.6.0:
  All packages built successfully! (All logs)