1include(CheckIncludeFiles)
2include(CheckIncludeFile)
3include(CheckSymbolExists)
4include(CheckTypeSize)
5include(CheckFunctionKeywords)
6include(CheckLFS)
7
8## Checks for header files ##
9check_include_file("inttypes.h" HAVE_INTTYPES_H)
10check_include_file("memory.h" HAVE_MEMORY_H)
11check_include_file("stddef.h" HAVE_STDDEF_H)
12check_include_file("stdint.h" HAVE_STDINT_H)
13check_include_file("stdlib.h" HAVE_STDLIB_H)
14check_include_file("string.h" HAVE_STRING_H)
15check_include_file("strings.h" HAVE_STRINGS_H)
16check_include_file("sys/types.h" HAVE_SYS_TYPES_H)
17if(HAVE_INTTYPES_H)
18  set(INCFILE "#include <inttypes.h>")
19elseif(HAVE_STDINT_H)
20  set(INCFILE "#include <stdint.h>")
21else(HAVE_INTTYPES_H)
22  set(INCFILE "")
23endif(HAVE_INTTYPES_H)
24
25## create configuration files from .cmake file ##
26if(BUILD_EXAMPLES)
27  ## Checks for WinIO ##
28  if(WIN32)
29    check_include_file("io.h" HAVE_IO_H)
30    check_include_file("fcntl.h" HAVE_FCNTL_H)
31    check_symbol_exists("_setmode" "io.h;fcntl.h" HAVE__SETMODE)
32    if(NOT HAVE__SETMODE)
33      check_symbol_exists("setmode" "io.h;fcntl.h" HAVE_SETMODE)
34    endif(NOT HAVE__SETMODE)
35    check_symbol_exists("_fileno" "stdio.h" HAVE__FILENO)
36    check_symbol_exists("fopen_s" "stdio.h" HAVE_FOPEN_S)
37    check_symbol_exists("_O_BINARY" "fcntl.h" HAVE__O_BINARY)
38  endif(WIN32)
39
40  ## Checks for large file support ##
41  check_lfs(WITH_LFS)
42  configure_file("${CMAKE_CURRENT_SOURCE_DIR}/lfs.h.cmake" "${CMAKE_CURRENT_BINARY_DIR}/lfs.h" @ONLY)
43endif(BUILD_EXAMPLES)
44
45## generate config.h ##
46check_function_keywords("inline;__inline;__inline__;__declspec(dllexport);__declspec(dllimport)")
47if(HAVE_INLINE)
48  set(INLINE "inline")
49elseif(HAVE___INLINE)
50  set(INLINE "__inline")
51elseif(HAVE___INLINE__)
52  set(INLINE "__inline__")
53else(HAVE_INLINE)
54  set(INLINE "")
55endif(HAVE_INLINE)
56configure_file("${CMAKE_CURRENT_SOURCE_DIR}/config.h.cmake" "${CMAKE_CURRENT_BINARY_DIR}/config.h")
57
58## Checks for types ##
59# sauchar_t (8bit)
60check_type_size("uint8_t" UINT8_T)
61if(HAVE_UINT8_T)
62  set(SAUCHAR_TYPE "uint8_t")
63else(HAVE_UINT8_T)
64  check_type_size("unsigned char" SIZEOF_UNSIGNED_CHAR)
65  if("${SIZEOF_UNSIGNED_CHAR}" STREQUAL "1")
66    set(SAUCHAR_TYPE "unsigned char")
67  else("${SIZEOF_UNSIGNED_CHAR}" STREQUAL "1")
68    message(FATAL_ERROR "Cannot find unsigned 8-bit integer type")
69  endif("${SIZEOF_UNSIGNED_CHAR}" STREQUAL "1")
70endif(HAVE_UINT8_T)
71# saint_t (32bit)
72check_type_size("int32_t" INT32_T)
73if(HAVE_INT32_T)
74  set(SAINT32_TYPE "int32_t")
75  check_symbol_exists("PRId32" "inttypes.h" HAVE_PRID32)
76  if(HAVE_PRID32)
77    set(SAINT32_PRId "PRId32")
78  else(HAVE_PRID32)
79    set(SAINT32_PRId "\"d\"")
80  endif(HAVE_PRID32)
81else(HAVE_INT32_T)
82  check_type_size("int" SIZEOF_INT)
83  check_type_size("long" SIZEOF_LONG)
84  check_type_size("short" SIZEOF_SHORT)
85  check_type_size("__int32" SIZEOF___INT32)
86  if("${SIZEOF_INT}" STREQUAL "4")
87    set(SAINT32_TYPE "int")
88    set(SAINT32_PRId "\"d\"")
89  elseif("${SIZEOF_LONG}" STREQUAL "4")
90    set(SAINT32_TYPE "long")
91    set(SAINT32_PRId "\"ld\"")
92  elseif("${SIZEOF_SHORT}" STREQUAL "4")
93    set(SAINT32_TYPE "short")
94    set(SAINT32_PRId "\"d\"")
95  elseif("${SIZEOF___INT32}" STREQUAL "4")
96    set(SAINT32_TYPE "__int32")
97    set(SAINT32_PRId "\"d\"")
98  else("${SIZEOF_INT}" STREQUAL "4")
99    message(FATAL_ERROR "Cannot find 32-bit integer type")
100  endif("${SIZEOF_INT}" STREQUAL "4")
101endif(HAVE_INT32_T)
102# saint64_t (64bit)
103if(BUILD_DIVSUFSORT64)
104  check_type_size("int64_t" INT64_T)
105  if(HAVE_INT64_T)
106    set(SAINT64_TYPE "int64_t")
107    check_symbol_exists("PRId64" "inttypes.h" HAVE_PRID64)
108    if(HAVE_PRID64)
109      set(SAINT64_PRId "PRId64")
110    else(HAVE_PRID64)
111      set(SAINT64_PRId "\"lld\"")
112    endif(HAVE_PRID64)
113  else(HAVE_INT64_T)
114    check_type_size("int" SIZEOF_INT)
115    check_type_size("long" SIZEOF_LONG)
116    check_type_size("long long" SIZEOF_LONG_LONG)
117    check_type_size("__int64" SIZEOF___INT64)
118    if("${SIZEOF_INT}" STREQUAL "8")
119      set(SAINT64_TYPE "int")
120      set(SAINT64_PRId "\"d\"")
121    elseif("${SIZEOF_LONG}" STREQUAL "8")
122      set(SAINT64_TYPE "long")
123      set(SAINT64_PRId "\"ld\"")
124    elseif("${SIZEOF_LONG_LONG}" STREQUAL "8")
125      set(SAINT64_TYPE "long long")
126      set(SAINT64_PRId "\"lld\"")
127    elseif("${SIZEOF___INT64}" STREQUAL "8")
128      set(SAINT64_TYPE "__int64")
129      set(SAINT64_PRId "\"I64d\"")
130    else("${SIZEOF_INT}" STREQUAL "8")
131      message(SEND_ERROR "Cannot find 64-bit integer type")
132      set(BUILD_DIVSUFSORT64 OFF)
133    endif("${SIZEOF_INT}" STREQUAL "8")
134  endif(HAVE_INT64_T)
135endif(BUILD_DIVSUFSORT64)
136
137## generate divsufsort.h ##
138set(DIVSUFSORT_IMPORT "")
139set(DIVSUFSORT_EXPORT "")
140if(BUILD_SHARED_LIBS)
141  if(HAVE___DECLSPEC_DLLIMPORT_)
142    set(DIVSUFSORT_IMPORT "__declspec(dllimport)")
143  endif(HAVE___DECLSPEC_DLLIMPORT_)
144  if(HAVE___DECLSPEC_DLLEXPORT_)
145    set(DIVSUFSORT_EXPORT "__declspec(dllexport)")
146  endif(HAVE___DECLSPEC_DLLEXPORT_)
147endif(BUILD_SHARED_LIBS)
148set(W64BIT "")
149set(SAINDEX_TYPE "${SAINT32_TYPE}")
150set(SAINDEX_PRId "${SAINT32_PRId}")
151set(SAINT_PRId "${SAINT32_PRId}")
152configure_file("${CMAKE_CURRENT_SOURCE_DIR}/divsufsort.h.cmake"
153               "${CMAKE_CURRENT_BINARY_DIR}/divsufsort.h" @ONLY)
154install(FILES "${CMAKE_CURRENT_BINARY_DIR}/divsufsort.h" DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
155if(BUILD_DIVSUFSORT64)
156  set(W64BIT "64")
157  set(SAINDEX_TYPE "${SAINT64_TYPE}")
158  set(SAINDEX_PRId "${SAINT64_PRId}")
159  configure_file("${CMAKE_CURRENT_SOURCE_DIR}/divsufsort.h.cmake"
160                 "${CMAKE_CURRENT_BINARY_DIR}/divsufsort64.h" @ONLY)
161  install(FILES "${CMAKE_CURRENT_BINARY_DIR}/divsufsort64.h" DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
162endif(BUILD_DIVSUFSORT64)
163