aboutsummaryrefslogtreecommitdiff
path: root/CMakeLists.txt
blob: d316c1581f4f7fd19f099397221cebf36bc11b32 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
# Ubuntu 18.04 LTS and OpenBSD 6.4
cmake_minimum_required (VERSION 3.10)
project (xK VERSION 1.5.0
	DESCRIPTION "IRC daemon, bot, TUI client and its web frontend" LANGUAGES C)

# Options
option (WANT_READLINE "Use GNU Readline for the UI (better)" ON)
option (WANT_LIBEDIT "Use BSD libedit for the UI" OFF)
option (WANT_XF "Build xF" OFF)

# Moar warnings
set (CMAKE_C_STANDARD 99)
set (CMAKE_C_STANDARD_REQUIRED ON)
set (CMAKE_C_EXTENSIONS OFF)

if ("${CMAKE_C_COMPILER_ID}" MATCHES "GNU" OR CMAKE_COMPILER_IS_GNUCC)
	# -Wunused-function is pretty annoying here, as everything is static
	set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wno-unused-function")
endif ()

# Version
set (project_version "${PROJECT_VERSION}")

# Try to append commit ID if it follows a version tag.  It might be nicer if
# we could also detect dirty worktrees but that's very hard to get right.
# If we didn't need this for CPack, we could use add_custom_command to generate
# a version source/include file.
find_package (Git)
set (git_head "${PROJECT_SOURCE_DIR}/.git/HEAD")
if (GIT_FOUND AND EXISTS "${git_head}")
	configure_file ("${git_head}" git-head.tag COPYONLY)
	file (READ "${git_head}" git_head_content)
	if (git_head_content MATCHES "^ref: ([^\r\n]+)")
		set (git_ref "${PROJECT_SOURCE_DIR}/.git/${CMAKE_MATCH_1}")
		if (EXISTS "${git_ref}")
			configure_file ("${git_ref}" git-ref.tag COPYONLY)
		endif ()
	endif ()

	execute_process (COMMAND ${GIT_EXECUTABLE} describe --tags --match v*
		WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
		RESULT_VARIABLE git_describe_result
		OUTPUT_VARIABLE git_describe OUTPUT_STRIP_TRAILING_WHITESPACE)
	if (NOT git_describe_result)
		string (REGEX REPLACE "^v" "" project_version "${git_describe}")
	endif ()
endif ()

# Dashes make filenames confusing and upset packaging software
string (REPLACE "-" "+" project_version_safe "${project_version}")

# Dependencies
set (CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/liberty/cmake)
include (AddThreads)

find_package (PkgConfig REQUIRED)
pkg_check_modules (libssl REQUIRED libssl libcrypto)
list (APPEND project_libraries ${libssl_LIBRARIES})
include_directories (${libssl_INCLUDE_DIRS})
link_directories (${libssl_LIBRARY_DIRS})

if ("${CMAKE_SYSTEM_NAME}" MATCHES "BSD")
	# Need this for SIGWINCH in FreeBSD and OpenBSD respectively;
	# our POSIX version macros make it undefined
	add_definitions (-D__BSD_VISIBLE=1 -D_BSD_SOURCE=1)
elseif (APPLE)
	add_definitions (-D_DARWIN_C_SOURCE)
endif ()

# -lrt is only for glibc < 2.17
# -liconv may or may not be a part of libc
# -lm may or may not be a part of libc
foreach (extra iconv rt m)
	find_library (extra_lib_${extra} ${extra})
	if (extra_lib_${extra})
		list (APPEND project_libraries ${extra_lib_${extra}})
	endif ()
endforeach ()

include (CheckCSourceRuns)
set (CMAKE_REQUIRED_LIBRARIES ${project_libraries})
get_property (CMAKE_REQUIRED_INCLUDES
	DIRECTORY "${PROJECT_SOURCE_DIR}" PROPERTY INCLUDE_DIRECTORIES)
CHECK_C_SOURCE_RUNS ("#include <iconv.h>
	int main () { return iconv_open (\"UTF-8//TRANSLIT\", \"ISO-8859-1\")
		== (iconv_t) -1; }" ICONV_ACCEPTS_TRANSLIT)

# Dependencies for xC
pkg_check_modules (libffi REQUIRED libffi)
list (APPEND xC_libraries ${libffi_LIBRARIES})
include_directories (${libffi_INCLUDE_DIRS})
link_directories (${libffi_LIBRARY_DIRS})

# XXX: other Lua versions may be acceptable, don't know yet
pkg_search_module (lua lua53 lua5.3 lua-5.3 lua54 lua5.4 lua-5.4 lua>=5.3)
option (WITH_LUA "Enable support for Lua plugins" ${lua_FOUND})

if (WITH_LUA)
	if (NOT lua_FOUND)
		message (FATAL_ERROR "Lua library not found")
	endif ()

	list (APPEND xC_libraries ${lua_LIBRARIES})
	include_directories (${lua_INCLUDE_DIRS})
	link_directories (${lua_LIBRARY_DIRS})
endif ()

find_package (Curses)
pkg_check_modules (ncursesw ncursesw)
if (ncursesw_FOUND)
	list (APPEND xC_libraries ${ncursesw_LIBRARIES})
	include_directories (${ncursesw_INCLUDE_DIRS})
elseif (CURSES_FOUND)
	list (APPEND xC_libraries ${CURSES_LIBRARY})
	include_directories (${CURSES_INCLUDE_DIR})
else ()
	message (SEND_ERROR "Curses not found")
endif ()

if ((WANT_READLINE AND WANT_LIBEDIT) OR (NOT WANT_READLINE AND NOT WANT_LIBEDIT))
	message (SEND_ERROR "You have to choose either GNU Readline or libedit")
elseif (WANT_READLINE)
	pkg_check_modules (readline readline)

	# OpenBSD's default readline is too old
	if ("${CMAKE_SYSTEM_NAME}" MATCHES "OpenBSD")
		include_directories (${OPENBSD_LOCALBASE}/include/ereadline)
		list (APPEND xC_libraries ereadline)
	elseif (readline_FOUND)
		list (APPEND xC_libraries ${readline_LIBRARIES})
		include_directories (${readline_INCLUDE_DIRS})
		link_directories (${readline_LIBRARY_DIRS})
	else ()
		list (APPEND xC_libraries readline)
	endif ()
elseif (WANT_LIBEDIT)
	pkg_check_modules (libedit REQUIRED libedit)
	list (APPEND xC_libraries ${libedit_LIBRARIES})
	include_directories (${libedit_INCLUDE_DIRS})
endif ()

# Generate a configuration file
set (HAVE_READLINE "${WANT_READLINE}")
set (HAVE_EDITLINE "${WANT_LIBEDIT}")
set (HAVE_LUA      "${WITH_LUA}")

include (GNUInstallDirs)
set (project_config ${PROJECT_BINARY_DIR}/config.h)
configure_file (${PROJECT_SOURCE_DIR}/config.h.in ${project_config})
include_directories (${PROJECT_SOURCE_DIR} ${PROJECT_BINARY_DIR})

# Generate IRC replies--we need a custom target because of the multiple outputs
add_custom_command (OUTPUT xD-replies.c xD.msg
	COMMAND env LC_ALL=C awk
		-f ${PROJECT_SOURCE_DIR}/xD-gen-replies.awk
		${PROJECT_SOURCE_DIR}/xD-replies > xD-replies.c
	DEPENDS
		${PROJECT_SOURCE_DIR}/xD-gen-replies.awk
		${PROJECT_SOURCE_DIR}/xD-replies
	COMMENT "Generating files from the list of server numerics")
add_custom_target (replies DEPENDS ${PROJECT_BINARY_DIR}/xD-replies.c)

add_custom_command (OUTPUT xC-proto.c
	COMMAND env LC_ALL=C awk
		-f ${PROJECT_SOURCE_DIR}/xC-gen-proto.awk
		-f ${PROJECT_SOURCE_DIR}/xC-gen-proto-c.awk
		${PROJECT_SOURCE_DIR}/xC-proto > xC-proto.c
	DEPENDS
		${PROJECT_SOURCE_DIR}/xC-gen-proto.awk
		${PROJECT_SOURCE_DIR}/xC-gen-proto-c.awk
		${PROJECT_SOURCE_DIR}/xC-proto
	COMMENT "Generating xC relay protocol code")
add_custom_target (xC-proto DEPENDS ${PROJECT_BINARY_DIR}/xC-proto.c)

# Build
foreach (name xB xC xD)
	add_executable (${name} ${name}.c ${project_config})
	target_link_libraries (${name} ${project_libraries})
	add_threads (${name})
endforeach ()

add_dependencies (xD replies)
add_dependencies (xC replies xC-proto)
target_link_libraries (xC ${xC_libraries})

if (WANT_XF)
	pkg_check_modules (x11 REQUIRED x11 xrender xft fontconfig)
	include_directories (${x11_INCLUDE_DIRS})
	link_directories (${x11_LIBRARY_DIRS})

	add_executable (xF xF.c ${project_config})
	add_dependencies (xF xC-proto)
	target_link_libraries (xF ${x11_LIBRARIES} ${project_libraries})
	add_threads (xF)
endif ()

# Tests
include (CTest)
if (BUILD_TESTING)
	add_executable (test-xC $<TARGET_PROPERTY:xC,SOURCES>)
	set_target_properties (test-xC PROPERTIES COMPILE_DEFINITIONS TESTING)
	target_link_libraries (test-xC $<TARGET_PROPERTY:xC,LINK_LIBRARIES>)
	add_threads (test-xC)
	add_dependencies (test-xC replies)

	add_test (NAME test-xC COMMAND test-xC)
	add_test (NAME custom-static-analysis
		COMMAND ${PROJECT_SOURCE_DIR}/test-static)
endif ()

# Various clang-based diagnostics, loads of fake positives and spam
file (GLOB clang_tidy_sources *.c)
set (clang_tidy_checks misc-* readability-*
	-readability-braces-around-statements
	-readability-named-parameter)
string (REPLACE ";" "," clang_tidy_checks "${clang_tidy_checks}")

set (CMAKE_EXPORT_COMPILE_COMMANDS ON)
add_custom_target (clang-tidy
	COMMAND clang-tidy -p ${PROJECT_BINARY_DIR} -checks=${clang_tidy_checks}
		${clang_tidy_sources} 1>&2
	USES_TERMINAL
	WORKING_DIRECTORY ${PROJECT_SOURCE_DIR})

# Installation
install (TARGETS xB xC xD DESTINATION ${CMAKE_INSTALL_BINDIR})
install (FILES LICENSE DESTINATION ${CMAKE_INSTALL_DOCDIR})
install (DIRECTORY plugins/xB/
	DESTINATION ${CMAKE_INSTALL_DATADIR}/xB/plugins USE_SOURCE_PERMISSIONS)
install (DIRECTORY plugins/xC/
	DESTINATION ${CMAKE_INSTALL_DATADIR}/xC/plugins)

# Generate documentation from text markup
find_program (ASCIIDOCTOR_EXECUTABLE asciidoctor)
find_program (A2X_EXECUTABLE a2x)
if (NOT ASCIIDOCTOR_EXECUTABLE AND NOT A2X_EXECUTABLE)
	message (WARNING "Neither asciidoctor nor a2x were found, "
		"falling back to a substandard manual page generator")
endif ()

foreach (page xB xC xD)
	set (page_output "${PROJECT_BINARY_DIR}/${page}.1")
	list (APPEND project_MAN_PAGES "${page_output}")
	if (ASCIIDOCTOR_EXECUTABLE)
		add_custom_command (OUTPUT ${page_output}
			COMMAND ${ASCIIDOCTOR_EXECUTABLE} -b manpage
				-a release-version=${project_version}
				-o "${page_output}"
				"${PROJECT_SOURCE_DIR}/${page}.adoc"
			DEPENDS ${page}.adoc
			COMMENT "Generating man page for ${page}" VERBATIM)
	elseif (A2X_EXECUTABLE)
		add_custom_command (OUTPUT ${page_output}
			COMMAND ${A2X_EXECUTABLE} --doctype manpage --format manpage
				-a release-version=${project_version}
				-D "${PROJECT_BINARY_DIR}"
				"${PROJECT_SOURCE_DIR}/${page}.adoc"
			DEPENDS ${page}.adoc
			COMMENT "Generating man page for ${page}" VERBATIM)
	else ()
		set (ASCIIMAN ${PROJECT_SOURCE_DIR}/liberty/tools/asciiman.awk)
		add_custom_command (OUTPUT ${page_output}
			COMMAND env LC_ALL=C awk -f ${ASCIIMAN}
				"${PROJECT_SOURCE_DIR}/${page}.adoc" > ${page_output}
			DEPENDS ${page}.adoc ${ASCIIMAN}
			COMMENT "Generating man page for ${page}" VERBATIM)
	endif ()
endforeach ()

add_custom_target (docs ALL DEPENDS ${project_MAN_PAGES})

foreach (page ${project_MAN_PAGES})
	string (REGEX MATCH "\\.([0-9])$" manpage_suffix "${page}")
	install (FILES "${page}"
		DESTINATION "${CMAKE_INSTALL_MANDIR}/man${CMAKE_MATCH_1}")
endforeach ()

# CPack
set (CPACK_PACKAGE_VERSION "${project_version_safe}")
set (CPACK_PACKAGE_VENDOR "Premysl Eric Janouch")
set (CPACK_PACKAGE_CONTACT "Přemysl Eric Janouch <p@janouch.name>")
set (CPACK_RESOURCE_FILE_LICENSE "${PROJECT_SOURCE_DIR}/LICENSE")

set (CPACK_GENERATOR "TGZ;ZIP")
set (CPACK_PACKAGE_FILE_NAME
	"${PROJECT_NAME}-${project_version_safe}-${CMAKE_SYSTEM_NAME}-${CMAKE_SYSTEM_PROCESSOR}")
set (CPACK_PACKAGE_INSTALL_DIRECTORY "${PROJECT_NAME}-${project_version_safe}")

set (CPACK_SOURCE_GENERATOR "TGZ;ZIP")
set (CPACK_SOURCE_IGNORE_FILES "/\\\\.git;/build;/CMakeLists.txt.user")
set (CPACK_SOURCE_PACKAGE_FILE_NAME "${PROJECT_NAME}-${project_version_safe}")

set (CPACK_SET_DESTDIR TRUE)
include (CPack)