Support only headers libraries

Support only headers libraries
022101915700da1c2b8e381aaaa1f21ca5604b37

4 files changed, 55 insertions, 11 deletions

diff --git a/build/export_generators/cmake/dir_targets.jinja b/build/export_generators/cmake/dir_targets.jinja
index be0e5fe0e5..af7320e723 100644
--- a/build/export_generators/cmake/dir_targets.jinja
+++ b/build/export_generators/cmake/dir_targets.jinja
@@ -49,13 +49,13 @@
 {%- endmacro -%}
 
 
-{%- macro TargetOptions(target_name, is_fake_module, target_options, only_option, exclude_options) -%}
+{%- macro TargetOptions(target_name, is_really_fake_module, target_options, only_option, exclude_options) -%}
 {%-     if (target_options.interfaces is defined) -%}
 {{ RenderTargetOptions(target_name, ' INTERFACE', target_options.interfaces, only_option, exclude_options) }}
 {%-     endif -%}
 
 {%-     if (target_options.publics is defined) -%}
-{%-         if is_fake_module -%}
+{%-         if is_really_fake_module -%}
 {%-             set prefix = ' INTERFACE' -%}
 {%-         else -%}
 {%-             set prefix = ' PUBLIC' -%}
@@ -63,7 +63,7 @@
 {{ RenderTargetOptions(target_name, prefix, target_options.publics, only_option, exclude_options) }}
 {%-     endif -%}
 
-{%-     if not(is_fake_module) and (target_options.privates is defined) -%}
+{%-     if not(is_really_fake_module) and (target_options.privates is defined) -%}
 {{ RenderTargetOptions(target_name, ' PRIVATE', target_options.privates, only_option, exclude_options) }}
 {%-     endif -%}
 {%- endmacro -%}
diff --git a/build/export_generators/cmake/target_cmake_lists.jinja b/build/export_generators/cmake/target_cmake_lists.jinja
index a6b84bbcf4..dc28fbfd81 100644
--- a/build/export_generators/cmake/target_cmake_lists.jinja
+++ b/build/export_generators/cmake/target_cmake_lists.jinja
@@ -2,14 +2,58 @@
 {%- set name = current_target.name -%}
 {%- set macro_args = current_target.macro_args -%}
 
+{%- if macro == 'add_library' -%}
+{%-     set only_headers_like_sources_library = true -%}
+{%-     set target_sources = [] -%}
+{%-     if current_target.target_options.interfaces is defined -%}
+{%-         set interfaces_target_sources = current_target.target_options.interfaces|selectattr('option', 'eq', 'target_sources') -%}
+{%-         if interfaces_target_sources|length -%}
+{%-             set target_sources = target_sources + interfaces_target_sources|map(attribute='args')|sum -%}
+{%-         endif -%}
+{%-     endif -%}
+{%-     if current_target.target_options.publics is defined -%}
+{%-         set publics_target_sources = current_target.target_options.publics|selectattr('option', 'eq', 'target_sources') -%}
+{%-         if publics_target_sources|length -%}
+{%-             set target_sources = target_sources + publics_target_sources|map(attribute='args')|sum -%}
+{%-         endif -%}
+{%-     endif -%}
+{%-     if current_target.target_options.privates is defined -%}
+{%-         set privates_target_sources = current_target.target_options.privates|selectattr('option', 'eq', 'target_sources') -%}
+{%-         if privates_target_sources|length -%}
+{%-             set target_sources = target_sources + privates_target_sources|map(attribute='args')|sum -%}
+{%-         endif -%}
+{%-     endif -%}
+{%-     if target_sources|length -%}
+{%-         for target_source in target_sources -%}
+{%-             if not (target_source.endswith('.h') or target_source.endswith('.hh') or target_source.endswith('.hpp') or target_source.endswith('.i') or target_source.endswith('.inc') or target_source.endswith('.inc.d')) -%}
+{#-                 Any non-header clear flag only_headers_like_sources_library -#}
+{%-                 set only_headers_like_sources_library = false -%}
+{%-             endif -%}
+{%-         endfor -%}
+{%-     else -%}
+{#-         Without target sources flag only_headers_like_sources_library -#}
+{%-         set only_headers_like_sources_library = false -%}
+{%-     endif -%}
+{%- else -%}
+{%-     set only_headers_like_sources_library = false -%}
+{%- endif -%}
+
+{%- set is_really_fake_module = (current_target.is_fake_module) and not(only_headers_like_sources_library) -%}
+
 {{ macro }}({{ name }}
-{%- if current_target.is_fake_module %} INTERFACE{%- endif -%}
-{%- if macro_args|length > 0 %}
+{%- if current_target.is_fake_module -%}
+{%-     if only_headers_like_sources_library %} STATIC{%- else %} INTERFACE{%- endif -%}
+{%- endif -%}
+{%- if macro_args|length > 0 -%}
 {%-     for arg in macro_args %}
   {{ arg }}
-{%      endfor -%}
+{%-     endfor -%}
 {%- endif -%}
 )
+{% if (current_target.is_fake_module) and (only_headers_like_sources_library) %}
+set_property(TARGET {{ name }} PROPERTY LINKER_LANGUAGE CXX)
+{%- endif -%}
+
 {%  include "[generator]/target_properties.jinja" -%}
 {%- include "[generator]/target_options.jinja" -%}
 {%- include "[generator]/target_commands.jinja" -%}
diff --git a/build/export_generators/cmake/target_links.jinja b/build/export_generators/cmake/target_links.jinja
index 3b349c17a7..0680fcba69 100644
--- a/build/export_generators/cmake/target_links.jinja
+++ b/build/export_generators/cmake/target_links.jinja
@@ -6,7 +6,7 @@
 {%- if add_interfaces|length -%}
 {%-     set interfaces = interfaces + add_interfaces -%}
 {%- endif -%}
-{%- if current_target.is_fake_module -%}
+{%- if is_really_fake_module -%}
 {%-     set add_interfaces = current_target.link|map(attribute='publics')|sum -%}
 {%-     if add_interfaces|length -%}
 {%-         set interfaces = interfaces + add_interfaces -%}
@@ -33,7 +33,7 @@
 {%-         set allocators = allocators + current_target.allocators -%}
 {%-     else -%}
 {#-         not supported allocators -#}
-{%-         if current_target.is_fake_module -%}
+{%-         if is_really_fake_module -%}
 {%-             set interfaces = interfaces + current_target.allocators -%}
 {%-         else  -%}
 {%-             set publics = publics + current_target.allocators -%}
diff --git a/build/export_generators/cmake/target_options.jinja b/build/export_generators/cmake/target_options.jinja
index b6e2570f04..e8cbeb8dd3 100644
--- a/build/export_generators/cmake/target_options.jinja
+++ b/build/export_generators/cmake/target_options.jinja
@@ -2,14 +2,14 @@
 {%- set OPTIONS_ORDER_AFTER_LINKS = ['target_link_options'] -%}
 
 {%- for OPTION in OPTIONS_ORDER_BEFORE_LINKS -%}
-{{  TargetOptions(name, current_target.is_fake_module, current_target.target_options, OPTION, []) }}
+{{  TargetOptions(name, is_really_fake_module, current_target.target_options, OPTION, []) }}
 {%- endfor -%}
 
 {%- include "[generator]/target_links.jinja" -%}
 
 {%- for OPTION in OPTIONS_ORDER_AFTER_LINKS -%}
-{{  TargetOptions(name, current_target.is_fake_module, current_target.target_options, OPTION, []) }}
+{{  TargetOptions(name, is_really_fake_module, current_target.target_options, OPTION, []) }}
 {%- endfor -%}
 
 {#- Then all other options -#}
-{{  TargetOptions(name, current_target.is_fake_module, current_target.target_options, "", OPTIONS_ORDER_BEFORE_LINKS + OPTIONS_ORDER_AFTER_LINKS) }}
+{{  TargetOptions(name, is_really_fake_module, current_target.target_options, "", OPTIONS_ORDER_BEFORE_LINKS + OPTIONS_ORDER_AFTER_LINKS) }}