Add support to generate man pages in txt and md
[ric-plt/lib/rmr.git] / doc / CMakeLists.txt
1
2 #
3 #==================================================================================
4 #       Copyright (c) 2019 Nokia
5 #       Copyright (c) 2018-2019 AT&T Intellectual Property.
6 #
7 #   Licensed under the Apache License, Version 2.0 (the "License");
8 #   you may not use this file except in compliance with the License.
9 #   You may obtain a copy of the License at
10 #
11 #       http://www.apache.org/licenses/LICENSE-2.0
12 #
13 #   Unless required by applicable law or agreed to in writing, software
14 #   distributed under the License is distributed on an "AS IS" BASIS,
15 #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 #   See the License for the specific language governing permissions and
17 #   limitations under the License.
18 #==================================================================================
19 #
20
21
22 # builds the man pages for the deb file (generates troff from {X}fm).
23 # also builds postscript files, but leaves them in the current build dir.
24 # but, ONLY if build_doc variable is true
25 #
26
27 # look for tfm to build the man pages with. if not found, then we pull
28 # and build in the current build environment setting tfm/pfm commands to
29 # point at the correct spot.  If the user has {X}fm installed, we just
30 # use their install.
31 #
32 if( BUILD_DOC )
33         find_program( tfm NAMES tfm )
34         find_program( pfm NAMES pfm )
35
36         if( "${tfm}" MATCHES "tfm-NOTFOUND" )           # user doesn't have installed; set where we expect them
37                 set( tfm ${CMAKE_CURRENT_BINARY_DIR}/xfm/.build/src/tfm/tfm )
38                 set( pfm "${CMAKE_CURRENT_BINARY_DIR}/xfm/.build/src/pfm/pfm" )
39
40                 if( NOT EXISTS ${tfm} )                                 # not yet built here, pull and build
41                         # pull and build {X}fm tools needed to generate manpages
42                         execute_process(
43                                 COMMAND "bash" "-c" "git clone https://github.com/ScottDaniels/xfm.git && cd xfm && mkdir .build && cd .build && cmake .. && make"
44                                 WORKING_DIRECTORY  ${CMAKE_CURRENT_BINARY_DIR}
45                         )
46                         message( "+++ xfm  pulled and built" )
47                 else()
48                         message( "+++ found xfm in the build environment" )
49                 endif()
50
51         endif()
52
53         # base filenames (with .xfm are input)
54         set( man_names
55                 rmr.7
56                 rmr_bytes2meid.3
57                 rmr_bytes2xact.3
58                 rmr_bytes2payload.3
59                 rmr_free_msg.3
60                 rmr_payload_size.3
61                 rmr_rts_msg.3
62                 rmr_wh_close.3
63                 rmr_alloc_msg.3
64                 rmr_get_rcvfd.3
65                 rmr_get_meid.3
66                 rmr_rcv_msg.3
67                 rmr_send_msg.3
68                 rmr_wh_open.3
69                 rmr_call.3
70                 rmr_init.3
71                 rmr_ready.3
72                 rmr_str2meid.3
73                 rmr_str2xact.3
74                 rmr_support.3
75                 rmr_torcv_msg.3
76                 rmr_wh_send_msg.3
77                 rmr_get_trace.3
78                 rmr_init_trace.3
79                 rmr_set_trace.3
80                 rmr_tralloc_msg.3
81                 rmr_get_trlen.3
82                 rmr_get_src.3
83                 rmr_mt_call.3
84                 rmr_mt_rcv.3
85                 rmr_get_srcip.3
86                 rmr_trace_ref.3
87                 rmr_set_stimeout.3
88         )
89
90         # initialise lists of files we generated
91         set( man3_files )
92         set( man7_files )
93
94         # for each source, build a specific command that runs tfm to generate the
95         # troff output as a gzipped file. Sed is needed to remove the leading blank
96         # that tfm likes to insert even if indention is 0. We also generate postscript
97         # markdown, plain ascii and rts output which are left in the build directory 
98         # for the developer to use as needed.
99         #
100         foreach( nm IN LISTS man_names )
101           set( out ${CMAKE_BINARY_DIR}/${nm} )
102           set( in ${CMAKE_SOURCE_DIR}/doc/src/man/${nm}.xfm )
103
104           add_custom_command(
105                         OUTPUT ${out}.gz
106                         DEPENDS ${in}
107                         COMMAND bash -c "export LIB=${CMAKE_SOURCE_DIR}/doc/src; \
108                                 export OUTPUT_TYPE=troff; \
109                                         ${tfm} ${in} stdout | sed 's/^ //' | gzip >${out}.gz; \
110                                 export OUTPUT_TYPE=rst; \
111                                         ${tfm} ${in} ${out}.rst; \
112                                 export OUTPUT_TYPE=txt; \
113                                   ${tfm} ${in} ${out}.txt; \
114                                 export OUTPUT_TYPE=markdown; \
115                                         ${tfm} ${in} stdout | sed 's/^ //' >${out}.md; \
116                                 export OUTPUT_TYPE=postscript; \
117                                         ${pfm} ${in} ${out}.ps"
118                         WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
119                         COMMENT "Building manpage ${out}"
120                         VERBATIM
121                 )
122                 if( ${out} MATCHES ".*\.3" )
123                         list( APPEND man3_files ${out}.gz )
124                 else()
125                         list( APPEND man7_files ${out}.gz )
126                 endif()
127         endforeach()
128
129         # we must force these to install
130         # find all of the man pages in build and add them to the package
131         #
132         install( FILES ${man3_files} DESTINATION ${install_man}/man3/ )
133         install( FILES ${man7_files} DESTINATION ${install_man}/man7/ )
134
135         add_custom_target( man_pages ALL DEPENDS ${man3_files};${man7_files} )
136
137 else()
138         message( "+++ not building doc, set -DBULID_DOC=1 on cmake command line to enable" )
139 endif()
140 unset( BUILD_DOC  CACHE )    # prevent it from being applied next build unless specifically set on comd line