1cmake_minimum_required(VERSION 3.9)
2
3get_property(is_multi_config GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
4if(is_multi_config)
5    set(CMAKE_CONFIGURATION_TYPES Debug Release CACHE STRING
6        "Semicolon separated list of supported configuration types")
7    mark_as_advanced(CMAKE_CONFIGURATION_TYPES)
8elseif(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_C_FLAGS)
9    message(WARNING "No CMAKE_BUILD_TYPE is selected")
10endif()
11
12project(nvi2 C)
13
14include(CheckIncludeFiles)
15include(CheckFunctionExists)
16include(CheckStructHasMember)
17include(CheckCSourceCompiles)
18
19mark_as_advanced(CMAKE_INSTALL_PREFIX)
20
21option(USE_WIDECHAR "Enable wide character support" ON)
22option(USE_ICONV "Enable iconv support" ON)
23
24add_compile_options(-fcolor-diagnostics)
25add_compile_options($<$<CONFIG:Debug>:-Wall>)
26add_compile_options($<$<CONFIG:Debug>:-Wno-parentheses>)
27add_compile_options($<$<CONFIG:Debug>:-Wno-uninitialized>)
28add_compile_options($<$<CONFIG:Debug>:-Wmissing-prototypes>)
29add_compile_options($<$<CONFIG:Debug>:-Wsystem-headers>)
30add_compile_options($<$<CONFIG:Release>:-Wuninitialized>)
31add_compile_options($<$<CONFIG:Release>:-Wno-dangling-else>)
32add_compile_options(-Wstack-protector -fstack-protector)
33add_compile_options(-Wstrict-aliasing -fstrict-aliasing)
34
35include_directories(${CMAKE_CURRENT_BINARY_DIR})
36
37set(MAIN_PROTOS
38    cl/extern.h common/extern.h ex/extern.h vi/extern.h
39    common/options_def.h ex/ex_def.h ex/version.h)
40
41set(CL_SRCS
42    cl/cl_funcs.c cl/cl_main.c cl/cl_read.c cl/cl_screen.c cl/cl_term.c)
43
44set(COMMON_SRCS
45    common/conv.c common/cut.c common/delete.c common/encoding.c common/exf.c
46    common/key.c common/line.c common/log.c common/main.c common/mark.c
47    common/msg.c common/options.c common/options_f.c common/put.c
48    common/recover.c common/screen.c common/search.c common/seq.c
49    common/util.c)
50
51set(EX_SRCS
52    ex/ex.c ex/ex_abbrev.c ex/ex_append.c ex/ex_args.c ex/ex_argv.c ex/ex_at.c
53    ex/ex_bang.c ex/ex_cd.c ex/ex_cmd.c ex/ex_cscope.c ex/ex_delete.c
54    ex/ex_display.c ex/ex_edit.c ex/ex_equal.c ex/ex_file.c ex/ex_filter.c
55    ex/ex_global.c ex/ex_init.c ex/ex_join.c ex/ex_map.c ex/ex_mark.c
56    ex/ex_mkexrc.c ex/ex_move.c ex/ex_open.c ex/ex_preserve.c ex/ex_print.c
57    ex/ex_put.c ex/ex_quit.c ex/ex_read.c ex/ex_screen.c ex/ex_script.c
58    ex/ex_set.c ex/ex_shell.c ex/ex_shift.c ex/ex_source.c ex/ex_stop.c
59    ex/ex_subst.c ex/ex_tag.c ex/ex_txt.c ex/ex_undo.c ex/ex_usage.c
60    ex/ex_util.c ex/ex_version.c ex/ex_visual.c ex/ex_write.c ex/ex_yank.c
61    ex/ex_z.c)
62
63set(VI_SRCS
64    vi/getc.c vi/v_at.c vi/v_ch.c vi/v_cmd.c vi/v_delete.c vi/v_ex.c
65    vi/v_increment.c vi/v_init.c vi/v_itxt.c vi/v_left.c vi/v_mark.c
66    vi/v_match.c vi/v_paragraph.c vi/v_put.c vi/v_redraw.c vi/v_replace.c
67    vi/v_right.c vi/v_screen.c vi/v_scroll.c vi/v_search.c vi/v_section.c
68    vi/v_sentence.c vi/v_status.c vi/v_txt.c vi/v_ulcase.c vi/v_undo.c
69    vi/v_util.c vi/v_word.c vi/v_xchar.c vi/v_yank.c vi/v_z.c vi/v_zexit.c
70    vi/vi.c vi/vs_line.c vi/vs_msg.c vi/vs_refresh.c vi/vs_relative.c
71    vi/vs_smap.c vi/vs_split.c)
72
73set(REGEX_SRCS
74    regex/regcomp.c regex/regerror.c regex/regexec.c regex/regfree.c)
75
76# commands to generate the public headers
77set(extract_protos sed -n 's/^ \\* PUBLIC: \\\(.*\\\)/\\1/p')
78set(extract_version sed -n
79    's/^.*version \\\([^\)]*\)\\\).*/\#define VI_VERSION \\\"\\1\\\"/p')
80
81add_custom_command(OUTPUT cl/extern.h
82                   COMMAND ${extract_protos} ${CL_SRCS} > cl/extern.h
83                   WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
84                   DEPENDS ${CL_SRCS})
85add_custom_command(OUTPUT common/extern.h
86                   COMMAND ${extract_protos} ${COMMON_SRCS} > common/extern.h
87                   WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
88                   DEPENDS ${COMMON_SRCS})
89add_custom_command(OUTPUT ex/extern.h
90                   COMMAND ${extract_protos} ${EX_SRCS} > ex/extern.h
91                   WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
92                   DEPENDS ${EX_SRCS})
93add_custom_command(OUTPUT vi/extern.h
94                   COMMAND ${extract_protos} ${VI_SRCS} > vi/extern.h
95                   WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
96                   DEPENDS ${VI_SRCS})
97add_custom_command(OUTPUT common/options_def.h
98                   COMMAND awk -f common/options.awk
99                           common/options.c > common/options_def.h
100                   WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
101                   DEPENDS common/options.c)
102add_custom_command(OUTPUT ex/ex_def.h
103                   COMMAND awk -f ex/ex.awk ex/ex_cmd.c > ex/ex_def.h
104                   WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
105                   DEPENDS ex/ex_cmd.c)
106add_custom_command(OUTPUT ex/version.h
107                   COMMAND ${extract_version} README > ex/version.h
108                   WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
109                   DEPENDS README)
110
111add_executable(nvi)
112target_sources(nvi PRIVATE ${MAIN_PROTOS} ${CL_SRCS} ${COMMON_SRCS}
113                           ${EX_SRCS} ${VI_SRCS})
114target_compile_definitions(nvi PRIVATE $<$<CONFIG:Debug>:DEBUG>
115                                       $<$<CONFIG:Debug>:COMLOG>)
116
117check_function_exists(openpty UTIL_IN_LIBC)
118if(NOT UTIL_IN_LIBC)
119    find_library(UTIL_LIBRARY util)
120    target_link_libraries(nvi PRIVATE ${UTIL_LIBRARY})
121endif()
122
123check_function_exists(__b64_ntop RESOLV_IN_LIBC)
124if(NOT RESOLV_IN_LIBC)
125    find_library(RESOLV_LIBRARY resolv)
126    target_link_libraries(nvi PRIVATE ${RESOLV_LIBRARY})
127endif()
128
129if(USE_WIDECHAR)
130    find_library(CURSES_LIBRARY NAMES ncursesw cursesw curses HINTS /usr/lib)
131    find_library(TERMINFO_LIBRARY NAMES tinfow terminfo HINTS /usr/lib)
132
133    # link to the wchar_t awared BSD libregex.a
134    add_library(regex STATIC)
135    target_sources(regex PRIVATE ${REGEX_SRCS})
136    target_include_directories(regex PUBLIC regex)
137    target_compile_definitions(regex PUBLIC __REGEX_PRIVATE)
138    target_link_libraries(nvi PRIVATE regex)
139else()
140    find_library(CURSES_LIBRARY NAMES ncurses curses HINTS /usr/lib)
141    find_library(TERMINFO_LIBRARY NAMES tinfo terminfo HINTS /usr/lib)
142    target_compile_options(nvi PRIVATE -Wno-pointer-sign)
143endif()
144
145target_link_libraries(nvi PRIVATE ${CURSES_LIBRARY} ${TERMINFO_LIBRARY})
146
147if(USE_ICONV)
148    check_function_exists(iconv ICONV_IN_LIBC)
149    if(NOT ICONV_IN_LIBC)
150        find_path(ICONV_INCLUDE_DIR iconv.h)
151        find_library(ICONV_LIBRARY iconv)
152    endif()
153
154    # detect the prototype of iconv(3)
155    set(CMAKE_C_FLAGS_BACKUP "${CMAKE_C_FLAGS}")
156    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror")
157    set(CMAKE_REQUIRED_INCLUDES "${ICONV_INCLUDE_DIR}")
158    set(CMAKE_REQUIRED_LIBRARIES "${ICONV_LIBRARY}")
159    check_c_source_compiles("
160    #include <iconv.h>
161    int main() {
162        iconv_t conv = 0;
163        char* in = 0;
164        size_t ilen = 0;
165        char* out = 0;
166        size_t olen = 0;
167        iconv(conv, &in, &ilen, &out, &olen);
168        return 0;
169    }
170    " ICONV_TRADITIONAL)
171    set(CMAKE_REQUIRED_INCLUDES)
172    set(CMAKE_REQUIRED_LIBRARIES)
173    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS_BACKUP}")
174
175    target_include_directories(nvi PRIVATE ${ICONV_INCLUDE_DIR})
176    target_link_libraries(nvi PRIVATE ${ICONV_LIBRARY})
177endif()
178
179check_function_exists(getprogname GETPROGNAME_IN_LIBC)
180check_function_exists(strlcpy STRLCPY_IN_LIBC)
181if(NOT GETPROGNAME_IN_LIBC OR NOT STRLCPY_IN_LIBC)
182    find_package(PkgConfig REQUIRED)
183    pkg_check_modules(LIBBSD libbsd-overlay)
184    add_definitions(${LIBBSD_CFLAGS})
185    target_link_libraries(nvi PRIVATE ${LIBBSD_LIBRARIES})
186endif()
187
188check_function_exists(dbopen DBOPEN_IN_LIBC)
189if(NOT DBOPEN_IN_LIBC)
190    target_link_libraries(nvi PRIVATE db1)
191endif()
192
193check_include_files(libutil.h HAVE_LIBUTIL_H)
194check_include_files(ncurses.h HAVE_NCURSES_H)
195check_include_files(ncursesw/ncurses.h HAVE_NCURSESW_NCURSES_H)
196check_include_files(pty.h HAVE_PTY_H)
197check_include_files(term.h HAVE_TERM_H)
198check_struct_has_member("struct dirent" d_namlen dirent.h HAVE_DIRENT_D_NAMLEN LANGUAGE C)
199
200configure_file(files/config.h.in config.h)
201
202set(vi_cv_path_preserve /var/tmp/vi.recover/)
203if(APPLE)
204    set(vi_cv_path_msgcat /usr/local/share/vi/catalog/)
205else()
206    set(vi_cv_path_msgcat /usr/share/vi/catalog/)
207endif()
208
209configure_file(files/pathnames.h.in pathnames.h)
210configure_file(files/recover.in recover @ONLY)
211