1dnl Process this file with autoconf to produce a configure script.
2AC_INIT([file],[5.45],[christos@astron.com])
3AM_INIT_AUTOMAKE([subdir-objects foreign])
4AM_MAINTAINER_MODE(disable)
5m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
6
7AC_CONFIG_HEADERS([config.h])
8AC_CONFIG_MACRO_DIR([m4])
9
10AC_MSG_CHECKING(for builtin ELF support)
11AC_ARG_ENABLE(elf,
12[  --disable-elf            disable builtin ELF support],
13[if test "${enableval}" = yes; then
14  AC_MSG_RESULT(yes)
15  AC_DEFINE([BUILTIN_ELF], 1, [Define if built-in ELF support is used])
16else
17  AC_MSG_RESULT(no)
18fi], [
19  # enable by default
20  AC_MSG_RESULT(yes)
21  AC_DEFINE([BUILTIN_ELF], 1, [Define in built-in ELF support is used])
22])
23
24AC_MSG_CHECKING(for ELF core file support)
25AC_ARG_ENABLE(elf-core,
26[  --disable-elf-core       disable ELF core file support],
27[if test "${enableval}" = yes; then
28  AC_MSG_RESULT(yes)
29  AC_DEFINE([ELFCORE], 1, [Define for ELF core file support])
30else
31  AC_MSG_RESULT(no)
32fi], [
33  # enable by default
34  AC_MSG_RESULT(yes)
35  AC_DEFINE([ELFCORE], 1, [Define for ELF core file support])
36])
37
38AC_MSG_CHECKING(for zlib support)
39AC_ARG_ENABLE([zlib],
40[AS_HELP_STRING([--disable-zlib], [disable zlib compression support @<:@default=auto@:>@])])
41AC_MSG_RESULT($enable_zlib)
42
43AC_MSG_CHECKING(for bzlib support)
44AC_ARG_ENABLE([bzlib],
45[AS_HELP_STRING([--disable-bzlib], [disable bz2lib compression support @<:@default=auto@:>@])])
46AC_MSG_RESULT($enable_bzlib)
47
48AC_MSG_CHECKING(for xzlib support)
49AC_ARG_ENABLE([xzlib],
50[AS_HELP_STRING([--disable-xzlib], [disable liblzma/xz compression support @<:@default=auto@:>@])])
51AC_MSG_RESULT($enable_xzlib)
52
53AC_MSG_CHECKING(for zstdlib support)
54AC_ARG_ENABLE([zstdlib],
55[AS_HELP_STRING([--disable-zstdlib], [disable zstdlib compression support @<:@default=auto@:>@])])
56AC_MSG_RESULT($enable_zstdlib)
57
58AC_MSG_CHECKING(for lzlib support)
59AC_ARG_ENABLE([lzlib],
60[AS_HELP_STRING([--disable-lzlib], [disable liblz (lzip) compression support @<:@default=auto@:>@])])
61AC_MSG_RESULT($enable_lzlib)
62
63AC_MSG_CHECKING(for libseccomp support)
64AC_ARG_ENABLE([libseccomp],
65[AS_HELP_STRING([--disable-libseccomp], [disable libseccomp sandboxing @<:@default=auto@:>@])])
66AC_MSG_RESULT($enable_libseccomp)
67
68AC_MSG_CHECKING(for file formats in man section 5)
69AC_ARG_ENABLE(fsect-man5,
70[  --enable-fsect-man5      enable file formats in man section 5],
71[if test "${enableval}" = yes; then
72  AC_MSG_RESULT(yes)
73  fsect=5
74else
75  AC_MSG_RESULT(no)
76  fsect=4
77fi], [
78  # disable by default
79  AC_MSG_RESULT(no)
80  fsect=4
81])
82
83AC_CANONICAL_HOST
84case "$host_os" in
85   mingw32*)
86      MINGW=1
87      ;;
88   *)
89      MINGW=0
90      ;;
91esac
92AC_SUBST(MINGW)
93AM_CONDITIONAL(MINGW, test "$MINGW" = 1)
94
95AC_SUBST([pkgdatadir], ['$(datadir)/misc'])
96AC_SUBST(fsect)
97AM_CONDITIONAL(FSECT5, test x$fsect = x5)
98
99AC_SUBST(WARNINGS)
100
101dnl Checks for programs.
102AC_PROG_CC
103AC_USE_SYSTEM_EXTENSIONS
104AM_PROG_CC_C_O
105AC_C_BIGENDIAN
106AC_PROG_INSTALL
107AC_PROG_LN_S
108LT_INIT([disable-static pic-only])
109gl_VISIBILITY
110dnl Checks for headers
111AC_HEADER_MAJOR
112AC_HEADER_SYS_WAIT
113AC_CHECK_HEADERS(stdint.h fcntl.h inttypes.h unistd.h byteswap.h)
114AC_CHECK_HEADERS(spawn.h utime.h wchar.h wctype.h)
115AC_CHECK_HEADERS(getopt.h err.h xlocale.h)
116AC_CHECK_HEADERS(sys/bswap.h sys/mman.h sys/stat.h sys/types.h sys/utime.h sys/time.h sys/sysmacros.h sys/ioctl.h)
117if test "$enable_zlib" != "no"; then
118  AC_CHECK_HEADERS(zlib.h)
119fi
120if test "$enable_bzlib" != "no"; then
121  AC_CHECK_HEADERS(bzlib.h)
122fi
123if test "$enable_xzlib" != "no"; then
124  AC_CHECK_HEADERS(lzma.h)
125fi
126if test "$enable_zstdlib" != "no"; then
127  AC_CHECK_HEADERS(zstd.h zstd_errors.h)
128fi
129if test "$enable_lzlib" != "no"; then
130  AC_CHECK_HEADERS(lzlib.h)
131fi
132AC_CHECK_TYPE([sig_t],[AC_DEFINE([HAVE_SIG_T],1,[Have sig_t type])],,[#include <signal.h>])
133
134dnl Checks for typedefs, structures, and compiler characteristics.
135AC_TYPE_OFF_T
136AC_TYPE_SIZE_T
137AC_CHECK_MEMBERS([struct stat.st_rdev])
138
139AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,[#include <time.h>])
140AC_STRUCT_TIMEZONE
141AC_STRUCT_TIMEZONE_DAYLIGHT
142AC_SYS_LARGEFILE
143AC_FUNC_FSEEKO
144AC_TYPE_MBSTATE_T
145
146AC_STRUCT_OPTION_GETOPT_H
147AC_TYPE_PID_T
148AC_TYPE_UINT8_T
149AC_TYPE_UINT16_T
150AC_TYPE_UINT32_T
151AC_TYPE_INT32_T
152AC_TYPE_UINT64_T
153AC_TYPE_INT64_T
154AC_TYPE_INTPTR_T
155AC_TYPE_UINTPTR_T
156AC_FUNC_MMAP
157AC_FUNC_FORK
158AC_FUNC_MBRTOWC
159
160AC_MSG_CHECKING(for gcc compiler warnings)
161AC_ARG_ENABLE(warnings,
162[  --disable-warnings	disable compiler warnings],
163[if test "${enableval}" = no -o "$GCC" = no; then
164   AC_MSG_RESULT(no)
165   WARNINGS=
166else
167   AC_MSG_RESULT(yes)
168   WARNINGS="-Wall -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith \
169       -Wmissing-declarations -Wredundant-decls -Wnested-externs \
170       -Wsign-compare -Wreturn-type -Wswitch -Wshadow \
171       -Wcast-qual -Wwrite-strings -Wextra -Wunused-parameter -Wformat=2"
172fi], [
173if test "$GCC" = yes; then
174   AC_MSG_RESULT(yes)
175   WARNINGS="-Wall -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith \
176       -Wmissing-declarations -Wredundant-decls -Wnested-externs \
177       -Wsign-compare -Wreturn-type -Wswitch -Wshadow \
178       -Wcast-qual -Wwrite-strings -Wextra -Wunused-parameter -Wformat=2"
179else
180   WARNINGS=
181   AC_MSG_RESULT(no)
182fi])
183
184dnl Checks for functions
185AC_CHECK_FUNCS(strndup mkstemp mkostemp utimes utime wcwidth strtof newlocale uselocale freelocale memmem pipe2 posix_spawnp)
186
187dnl Provide implementation of some required functions if necessary
188AC_REPLACE_FUNCS(getopt_long asprintf vasprintf strlcpy strlcat getline ctime_r asctime_r localtime_r gmtime_r pread strcasestr fmtcheck dprintf)
189
190dnl Checks for libraries
191if test "$enable_zlib" != "no"; then
192  AC_CHECK_LIB(z, gzopen)
193fi
194if test "$enable_bzlib" != "no"; then
195  AC_CHECK_LIB(bz2, BZ2_bzCompressInit)
196fi
197if test "$enable_xzlib" != "no"; then
198  AC_CHECK_LIB(lzma, lzma_stream_decoder)
199fi
200if test "$enable_zstdlib" != "no"; then
201  AC_CHECK_LIB(zstd, ZSTD_createDStream)
202fi
203if test "$enable_lzlib" != "no"; then
204  AC_CHECK_LIB(lz, LZ_decompress_open)
205fi
206if test "$enable_libseccomp" != "no"; then
207    AC_CHECK_LIB(seccomp, seccomp_init)
208fi
209if test "$MINGW" = 1; then
210  AC_CHECK_LIB(gnurx,regexec,,AC_MSG_ERROR([libgnurx is required to build file(1) with MinGW]))
211fi
212
213dnl See if we are cross-compiling
214AM_CONDITIONAL(IS_CROSS_COMPILE, test "$cross_compiling" = yes)
215
216dnl Final sanity checks
217if test "$enable_zlib" = "yes"; then
218  if test "$ac_cv_header_zlib_h$ac_cv_lib_z_gzopen" != "yesyes"; then
219    AC_MSG_ERROR([zlib support requested but not found])
220  fi
221fi
222if  test "$ac_cv_header_zlib_h$ac_cv_lib_z_gzopen" = "yesyes"; then
223  AC_DEFINE([ZLIBSUPPORT], 1, [Enable zlib compression support])
224fi
225if test "$enable_bzlib" = "yes"; then
226  if test "$ac_cv_header_bzlib_h$ac_cv_lib_bz2_BZ2_bzCompressInit" != "yesyes"; then
227    AC_MSG_ERROR([bzlib support requested but not found])
228  fi
229fi
230if  test "$ac_cv_header_bzlib_h$ac_cv_lib_bz2_BZ2_bzCompressInit" = "yesyes"; then
231  AC_DEFINE([BZLIBSUPPORT], 1, [Enable bzlib compression support])
232fi
233if test "$enable_xzlib" = "yes"; then
234  if test "$ac_cv_header_lzma_h$ac_cv_lib_lzma_lzma_stream_decoder" != "yesyes"; then
235    AC_MSG_ERROR([xzlib support requested but not found])
236  fi
237fi
238if  test "$ac_cv_header_lzma_h$ac_cv_lib_lzma_lzma_stream_decoder" = "yesyes"; then
239  AC_DEFINE([XZLIBSUPPORT], 1, [Enable xzlib compression support])
240fi
241if test "$enable_zstdlib" = "yes"; then
242  if test "$ac_cv_header_zstd_h$ac_cv_lib_zstd_ZSTD_createDStream" != "yesyes"; then
243    AC_MSG_ERROR([zstdlib support requested but not found])
244  fi
245fi
246if  test "$ac_cv_header_zstd_h$ac_cv_lib_zstd_ZSTD_createDStream" = "yesyes"; then
247  AC_DEFINE([ZSTDLIBSUPPORT], 1, [Enable zstdlib compression support])
248fi
249if test "$enable_lzlib" = "yes"; then
250  if test "$ac_cv_header_lzlib_h$ac_cv_lib_lz_LZ_decompress_open" != "yesyes"; then
251    AC_MSG_ERROR([lzlib support requested but not found])
252  fi
253fi
254if  test "$ac_cv_header_lzlib_h$ac_cv_lib_lz_LZ_decompress_open" = "yesyes"; then
255  AC_DEFINE([LZLIBSUPPORT], 1, [Enable lzlib compression support])
256fi
257
258AC_CONFIG_FILES([Makefile src/Makefile magic/Makefile tests/Makefile doc/Makefile python/Makefile libmagic.pc])
259AC_OUTPUT
260