1dnl Process this file with autoconf to produce a configure script. 2AC_INIT([file],[5.28],[christos@astron.com]) 3AM_INIT_AUTOMAKE([subdir-objects foreign]) 4m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) 5 6AC_CONFIG_HEADERS([config.h]) 7AC_CONFIG_MACRO_DIR([m4]) 8 9AC_MSG_CHECKING(for builtin ELF support) 10AC_ARG_ENABLE(elf, 11[ --disable-elf disable builtin ELF support], 12[if test "${enableval}" = yes; then 13 AC_MSG_RESULT(yes) 14 AC_DEFINE([BUILTIN_ELF], 1, [Define if built-in ELF support is used]) 15else 16 AC_MSG_RESULT(no) 17fi], [ 18 # enable by default 19 AC_MSG_RESULT(yes) 20 AC_DEFINE([BUILTIN_ELF], 1, [Define in built-in ELF support is used]) 21]) 22 23AC_MSG_CHECKING(for ELF core file support) 24AC_ARG_ENABLE(elf-core, 25[ --disable-elf-core disable ELF core file support], 26[if test "${enableval}" = yes; then 27 AC_MSG_RESULT(yes) 28 AC_DEFINE([ELFCORE], 1, [Define for ELF core file support]) 29else 30 AC_MSG_RESULT(no) 31fi], [ 32 # enable by default 33 AC_MSG_RESULT(yes) 34 AC_DEFINE([ELFCORE], 1, [Define for ELF core file support]) 35]) 36 37AC_MSG_CHECKING(for zlib support) 38AC_ARG_ENABLE(zlib, 39[AS_HELP_STRING([--disable-zlib], [disable zlib compression support @<:@default=auto@:>@])]) 40AC_MSG_RESULT($enable_zlib) 41 42AC_MSG_CHECKING(for file formats in man section 5) 43AC_ARG_ENABLE(fsect-man5, 44[ --enable-fsect-man5 enable file formats in man section 5], 45[if test "${enableval}" = yes; then 46 AC_MSG_RESULT(yes) 47 fsect=5 48else 49 AC_MSG_RESULT(no) 50 fsect=4 51fi], [ 52 # disable by default 53 AC_MSG_RESULT(no) 54 fsect=4 55]) 56 57AC_CANONICAL_HOST 58case "$host_os" in 59 mingw32*) 60 MINGW=1 61 ;; 62 *) 63 MINGW=0 64 ;; 65esac 66AC_SUBST(MINGW) 67AM_CONDITIONAL(MINGW, test "$MINGW" = 1) 68 69AC_SUBST([pkgdatadir], ['$(datadir)/misc']) 70AC_SUBST(fsect) 71AM_CONDITIONAL(FSECT5, test x$fsect = x5) 72 73AC_SUBST(WARNINGS) 74 75dnl Checks for programs. 76AC_PROG_CC_STDC 77AC_USE_SYSTEM_EXTENSIONS 78AM_PROG_CC_C_O 79AC_C_BIGENDIAN 80AC_PROG_INSTALL 81AC_PROG_LN_S 82LT_INIT([disable-static pic-only]) 83gl_VISIBILITY 84dnl Checks for headers 85AC_HEADER_STDC 86AC_HEADER_MAJOR 87AC_HEADER_SYS_WAIT 88AC_CHECK_HEADERS(stdint.h fcntl.h locale.h stdint.h inttypes.h unistd.h) 89AC_CHECK_HEADERS(stddef.h utime.h wchar.h wctype.h limits.h) 90AC_CHECK_HEADERS(getopt.h err.h xlocale.h signal.h) 91AC_CHECK_HEADERS(sys/mman.h sys/stat.h sys/types.h sys/utime.h sys/time.h) 92if test "$enable_zlib" != "no"; then 93 AC_CHECK_HEADERS(zlib.h) 94fi 95AC_CHECK_TYPE([sig_t],[AC_DEFINE([HAVE_SIG_T],1,[Have sig_t type])],,[ 96#ifdef HAVE_SIGNAL_H 97#include <signal.h> 98#endif]) 99 100dnl Checks for typedefs, structures, and compiler characteristics. 101AC_C_CONST 102AC_TYPE_OFF_T 103AC_TYPE_SIZE_T 104AC_CHECK_MEMBERS([struct stat.st_rdev]) 105 106AC_CHECK_MEMBERS([struct tm.tm_gmtoff]) 107AC_STRUCT_TIMEZONE 108AC_STRUCT_TIMEZONE_DAYLIGHT 109AC_SYS_LARGEFILE 110AC_FUNC_FSEEKO 111AC_TYPE_MBSTATE_T 112 113AC_STRUCT_OPTION_GETOPT_H 114AC_TYPE_PID_T 115AC_TYPE_UINT8_T 116AC_TYPE_UINT16_T 117AC_TYPE_UINT32_T 118AC_TYPE_INT32_T 119AC_TYPE_UINT64_T 120AC_TYPE_INT64_T 121AC_TYPE_INTPTR_T 122AC_TYPE_UINTPTR_T 123AC_FUNC_MMAP 124AC_FUNC_FORK 125AC_FUNC_MBRTOWC 126 127AC_MSG_CHECKING(for gcc compiler warnings) 128AC_ARG_ENABLE(warnings, 129[ --disable-warnings disable compiler warnings], 130[if test "${enableval}" = no -o "$GCC" = no; then 131 AC_MSG_RESULT(no) 132 WARNINGS= 133else 134 AC_MSG_RESULT(yes) 135 WARNINGS="-Wall -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith \ 136 -Wmissing-declarations -Wredundant-decls -Wnested-externs \ 137 -Wsign-compare -Wreturn-type -Wswitch -Wshadow \ 138 -Wcast-qual -Wwrite-strings -Wextra -Wunused-parameter -Wformat=2" 139fi], [ 140if test "$GCC" = yes; then 141 AC_MSG_RESULT(yes) 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" 146else 147 WARNINGS= 148 AC_MSG_RESULT(no) 149fi]) 150 151dnl Checks for functions 152AC_CHECK_FUNCS(strerror strndup strtoul mkstemp mkostemp utimes utime wcwidth strtof newlocale uselocale freelocale setlocale) 153 154dnl Provide implementation of some required functions if necessary 155AC_REPLACE_FUNCS(getopt_long asprintf vasprintf strlcpy strlcat getline ctime_r asctime_r localtime_r gmtime_r pread strcasestr fmtcheck dprintf) 156 157dnl Checks for libraries 158if test "$enable_zlib" != "no"; then 159 AC_CHECK_LIB(z, gzopen) 160fi 161if test "$MINGW" = 1; then 162 AC_CHECK_LIB(gnurx,regexec,,AC_MSG_ERROR([libgnurx is required to build file(1) with MinGW])) 163fi 164 165dnl See if we are cross-compiling 166AM_CONDITIONAL(IS_CROSS_COMPILE, test "$cross_compiling" = yes) 167 168dnl Final sanity checks 169if test "$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]) 172 fi 173elif test "$ac_cv_header_zlib_h$ac_cv_lib_z_gzopen" = "yesyes"; then 174 AC_DEFINE([ZLIBSUPPORT], 1, [Enable zlib compression support]) 175fi 176 177AC_CONFIG_FILES([Makefile src/Makefile magic/Makefile tests/Makefile doc/Makefile python/Makefile]) 178AC_OUTPUT 179