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
|
dnl Process this file with autoconf to produce a configure script.
AC_INIT([file],[5.30],[christos@astron.com])
AM_INIT_AUTOMAKE([subdir-objects foreign])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIR([m4])
AC_MSG_CHECKING(for builtin ELF support)
AC_ARG_ENABLE(elf,
[ --disable-elf disable builtin ELF support],
[if test "${enableval}" = yes; then
AC_MSG_RESULT(yes)
AC_DEFINE([BUILTIN_ELF], 1, [Define if built-in ELF support is used])
else
AC_MSG_RESULT(no)
fi], [
# enable by default
AC_MSG_RESULT(yes)
AC_DEFINE([BUILTIN_ELF], 1, [Define in built-in ELF support is used])
])
AC_MSG_CHECKING(for ELF core file support)
AC_ARG_ENABLE(elf-core,
[ --disable-elf-core disable ELF core file support],
[if test "${enableval}" = yes; then
AC_MSG_RESULT(yes)
AC_DEFINE([ELFCORE], 1, [Define for ELF core file support])
else
AC_MSG_RESULT(no)
fi], [
# enable by default
AC_MSG_RESULT(yes)
AC_DEFINE([ELFCORE], 1, [Define for ELF core file support])
])
AC_MSG_CHECKING(for zlib support)
AC_ARG_ENABLE(zlib,
[AS_HELP_STRING([--disable-zlib], [disable zlib compression support @<:@default=auto@:>@])])
AC_MSG_RESULT($enable_zlib)
AC_MSG_CHECKING(for file formats in man section 5)
AC_ARG_ENABLE(fsect-man5,
[ --enable-fsect-man5 enable file formats in man section 5],
[if test "${enableval}" = yes; then
AC_MSG_RESULT(yes)
fsect=5
else
AC_MSG_RESULT(no)
fsect=4
fi], [
# disable by default
AC_MSG_RESULT(no)
fsect=4
])
AC_CANONICAL_HOST
case "$host_os" in
mingw32*)
MINGW=1
;;
*)
MINGW=0
;;
esac
AC_SUBST(MINGW)
AM_CONDITIONAL(MINGW, test "$MINGW" = 1)
AC_SUBST([pkgdatadir], ['$(datadir)/misc'])
AC_SUBST(fsect)
AM_CONDITIONAL(FSECT5, test x$fsect = x5)
AC_SUBST(WARNINGS)
dnl Checks for programs.
AC_PROG_CC_STDC
AC_USE_SYSTEM_EXTENSIONS
AM_PROG_CC_C_O
AC_C_BIGENDIAN
AC_PROG_INSTALL
AC_PROG_LN_S
LT_INIT([disable-static pic-only])
gl_VISIBILITY
dnl Checks for headers
AC_HEADER_STDC
AC_HEADER_MAJOR
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(stdint.h fcntl.h locale.h stdint.h inttypes.h unistd.h)
AC_CHECK_HEADERS(stddef.h utime.h wchar.h wctype.h limits.h)
AC_CHECK_HEADERS(getopt.h err.h xlocale.h signal.h)
AC_CHECK_HEADERS(sys/mman.h sys/stat.h sys/types.h sys/utime.h sys/time.h)
if test "$enable_zlib" != "no"; then
AC_CHECK_HEADERS(zlib.h)
fi
AC_CHECK_TYPE([sig_t],[AC_DEFINE([HAVE_SIG_T],1,[Have sig_t type])],,[
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif])
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_OFF_T
AC_TYPE_SIZE_T
AC_CHECK_MEMBERS([struct stat.st_rdev])
AC_CHECK_MEMBERS([struct tm.tm_gmtoff])
AC_STRUCT_TIMEZONE
AC_STRUCT_TIMEZONE_DAYLIGHT
AC_SYS_LARGEFILE
AC_FUNC_FSEEKO
AC_TYPE_MBSTATE_T
AC_STRUCT_OPTION_GETOPT_H
AC_TYPE_PID_T
AC_TYPE_UINT8_T
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_INT32_T
AC_TYPE_UINT64_T
AC_TYPE_INT64_T
AC_TYPE_INTPTR_T
AC_TYPE_UINTPTR_T
AC_FUNC_MMAP
AC_FUNC_FORK
AC_FUNC_MBRTOWC
AC_MSG_CHECKING(for gcc compiler warnings)
AC_ARG_ENABLE(warnings,
[ --disable-warnings disable compiler warnings],
[if test "${enableval}" = no -o "$GCC" = no; then
AC_MSG_RESULT(no)
WARNINGS=
else
AC_MSG_RESULT(yes)
WARNINGS="-Wall -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith \
-Wmissing-declarations -Wredundant-decls -Wnested-externs \
-Wsign-compare -Wreturn-type -Wswitch -Wshadow \
-Wcast-qual -Wwrite-strings -Wextra -Wunused-parameter -Wformat=2"
fi], [
if test "$GCC" = yes; then
AC_MSG_RESULT(yes)
WARNINGS="-Wall -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith \
-Wmissing-declarations -Wredundant-decls -Wnested-externs \
-Wsign-compare -Wreturn-type -Wswitch -Wshadow \
-Wcast-qual -Wwrite-strings -Wextra -Wunused-parameter -Wformat=2"
else
WARNINGS=
AC_MSG_RESULT(no)
fi])
dnl Checks for functions
AC_CHECK_FUNCS(strerror strndup strtoul mkstemp mkostemp utimes utime wcwidth strtof newlocale uselocale freelocale setlocale)
dnl Provide implementation of some required functions if necessary
AC_REPLACE_FUNCS(getopt_long asprintf vasprintf strlcpy strlcat getline ctime_r asctime_r localtime_r gmtime_r pread strcasestr fmtcheck dprintf)
dnl Checks for libraries
if test "$enable_zlib" != "no"; then
AC_CHECK_LIB(z, gzopen)
fi
if test "$MINGW" = 1; then
AC_CHECK_LIB(gnurx,regexec,,AC_MSG_ERROR([libgnurx is required to build file(1) with MinGW]))
fi
dnl See if we are cross-compiling
AM_CONDITIONAL(IS_CROSS_COMPILE, test "$cross_compiling" = yes)
dnl Final sanity checks
if test "$enable_zlib" = "yes"; then
if test "$ac_cv_header_zlib_h$ac_cv_lib_z_gzopen" != "yesyes"; then
AC_MSG_ERROR([zlib support requested but not found])
fi
elif test "$ac_cv_header_zlib_h$ac_cv_lib_z_gzopen" = "yesyes"; then
AC_DEFINE([ZLIBSUPPORT], 1, [Enable zlib compression support])
fi
AC_CONFIG_FILES([Makefile src/Makefile magic/Makefile tests/Makefile doc/Makefile python/Makefile])
AC_OUTPUT
|
