1 dnl Process this file with autoconf to produce a configure script.
2 AC_INIT([file],[5.28],[christos@astron.com])
3 AM_INIT_AUTOMAKE([subdir-objects foreign])
4 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
6 AC_CONFIG_HEADERS([config.h])
7 AC_CONFIG_MACRO_DIR([m4])
9 AC_MSG_CHECKING(for builtin ELF support)
11 [ --disable-elf disable builtin ELF support],
12 [if test "${enableval}" = yes; then
14 AC_DEFINE([BUILTIN_ELF], 1, [Define if built-in ELF support is used])
20 AC_DEFINE([BUILTIN_ELF], 1, [Define in built-in ELF support is used])
23 AC_MSG_CHECKING(for ELF core file support)
24 AC_ARG_ENABLE(elf-core,
25 [ --disable-elf-core disable ELF core file support],
26 [if test "${enableval}" = yes; then
28 AC_DEFINE([ELFCORE], 1, [Define for ELF core file support])
34 AC_DEFINE([ELFCORE], 1, [Define for ELF core file support])
37 AC_MSG_CHECKING(for zlib support)
39 [AS_HELP_STRING([--disable-zlib], [disable zlib compression support @<:@default=auto@:>@])])
40 AC_MSG_RESULT($enable_zlib)
42 AC_MSG_CHECKING(for file formats in man section 5)
43 AC_ARG_ENABLE(fsect-man5,
44 [ --enable-fsect-man5 enable file formats in man section 5],
45 [if test "${enableval}" = yes; then
67 AM_CONDITIONAL(MINGW, test "$MINGW" = 1)
69 AC_SUBST([pkgdatadir], ['$(datadir)/misc'])
71 AM_CONDITIONAL(FSECT5, test x$fsect = x5)
75 dnl Checks for programs.
77 AC_USE_SYSTEM_EXTENSIONS
82 LT_INIT([disable-static pic-only])
84 dnl Checks for headers
88 AC_CHECK_HEADERS(stdint.h fcntl.h locale.h stdint.h inttypes.h unistd.h)
89 AC_CHECK_HEADERS(stddef.h utime.h wchar.h wctype.h limits.h)
90 AC_CHECK_HEADERS(getopt.h err.h xlocale.h signal.h)
91 AC_CHECK_HEADERS(sys/mman.h sys/stat.h sys/types.h sys/utime.h sys/time.h)
92 if test "$enable_zlib" != "no"; then
93 AC_CHECK_HEADERS(zlib.h)
95 AC_CHECK_TYPE([sig_t],[AC_DEFINE([HAVE_SIG_T],1,[Have sig_t type])],,[
100 dnl Checks for typedefs, structures, and compiler characteristics.
104 AC_CHECK_MEMBERS([struct stat.st_rdev])
106 AC_CHECK_MEMBERS([struct tm.tm_gmtoff])
108 AC_STRUCT_TIMEZONE_DAYLIGHT
113 AC_STRUCT_OPTION_GETOPT_H
127 AC_MSG_CHECKING(for gcc compiler warnings)
128 AC_ARG_ENABLE(warnings,
129 [ --disable-warnings disable compiler warnings],
130 [if test "${enableval}" = no -o "$GCC" = no; then
135 WARNINGS="-Wall -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith \
136 -Wmissing-declarations -Wredundant-decls -Wnested-externs \
137 -Wsign-compare -Wreturn-type -Wswitch -Wshadow \
138 -Wcast-qual -Wwrite-strings -Wextra -Wunused-parameter -Wformat=2"
140 if test "$GCC" = yes; then
142 WARNINGS="-Wall -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith \
143 -Wmissing-declarations -Wredundant-decls -Wnested-externs \
144 -Wsign-compare -Wreturn-type -Wswitch -Wshadow \
145 -Wcast-qual -Wwrite-strings -Wextra -Wunused-parameter -Wformat=2"
151 dnl Checks for functions
152 AC_CHECK_FUNCS(strerror strndup strtoul mkstemp mkostemp utimes utime wcwidth strtof newlocale uselocale freelocale setlocale)
154 dnl Provide implementation of some required functions if necessary
155 AC_REPLACE_FUNCS(getopt_long asprintf vasprintf strlcpy strlcat getline ctime_r asctime_r localtime_r gmtime_r pread strcasestr fmtcheck dprintf)
157 dnl Checks for libraries
158 if test "$enable_zlib" != "no"; then
159 AC_CHECK_LIB(z, gzopen)
161 if test "$MINGW" = 1; then
162 AC_CHECK_LIB(gnurx,regexec,,AC_MSG_ERROR([libgnurx is required to build file(1) with MinGW]))
165 dnl See if we are cross-compiling
166 AM_CONDITIONAL(IS_CROSS_COMPILE, test "$cross_compiling" = yes)
168 dnl Final sanity checks
169 if test "$enable_zlib" = "yes"; then
170 if test "$ac_cv_header_zlib_h$ac_cv_lib_z_gzopen" != "yesyes"; then
171 AC_MSG_ERROR([zlib support requested but not found])
173 elif test "$ac_cv_header_zlib_h$ac_cv_lib_z_gzopen" = "yesyes"; then
174 AC_DEFINE([ZLIBSUPPORT], 1, [Enable zlib compression support])
177 AC_CONFIG_FILES([Makefile src/Makefile magic/Makefile tests/Makefile doc/Makefile python/Makefile])