configure.ac revision 1.1.1.4 
1dnl Process this file with autoconf to produce a configure script.
2AC_INIT(file, 5.11, christos@astron.com)
3AM_INIT_AUTOMAKE()
4m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
5
6AM_CONFIG_HEADER(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 file formats in man section 5)
38AC_ARG_ENABLE(fsect-man5,
39[  --enable-fsect-man5      enable file formats in man section 5],
40[if test "${enableval}" = yes; then
41  AC_MSG_RESULT(yes)
42  fsect=5
43else
44  AC_MSG_RESULT(no)
45  fsect=4
46fi], [
47  # disable by default
48  AC_MSG_RESULT(no)
49  fsect=4
50])
51
52AC_CANONICAL_HOST
53case "$host_os" in
54   mingw32*)
55      MINGW=1
56      ;;
57   *)
58      MINGW=0
59      ;;
60esac
61AC_SUBST(MINGW)
62AM_CONDITIONAL(MINGW, test "$MINGW" = 1)
63
64AC_SUBST([pkgdatadir], ['$(datadir)/misc'])
65AC_SUBST(fsect)
66AM_CONDITIONAL(FSECT5, test x$fsect = x5)
67
68AC_SUBST(WARNINGS)
69AC_GNU_SOURCE
70
71dnl Checks for programs.
72AC_PROG_CC
73AM_PROG_CC_C_O
74AC_PROG_INSTALL
75AC_PROG_LN_S
76AC_PROG_LIBTOOL
77
78dnl Checks for headers
79AC_HEADER_STDC
80AC_HEADER_MAJOR
81AC_HEADER_SYS_WAIT
82AC_CHECK_HEADERS(stdint.h fcntl.h locale.h stdint.h inttypes.h unistd.h)
83AC_CHECK_HEADERS(utime.h wchar.h wctype.h limits.h)
84AC_CHECK_HEADERS(getopt.h err.h)
85AC_CHECK_HEADERS(sys/mman.h sys/stat.h sys/types.h sys/utime.h sys/time.h)
86AC_CHECK_HEADERS(zlib.h)
87
88dnl Checks for typedefs, structures, and compiler characteristics.
89AC_C_CONST
90AC_TYPE_OFF_T
91AC_TYPE_SIZE_T
92AC_CHECK_MEMBERS([struct stat.st_rdev])
93
94AC_STRUCT_TM
95AC_CHECK_MEMBERS([struct tm.tm_gmtoff, struct tm.tm_zone])
96AC_STRUCT_TIMEZONE_DAYLIGHT
97AC_SYS_LARGEFILE
98AC_FUNC_FSEEKO
99AC_TYPE_MBSTATE_T
100
101AC_STRUCT_OPTION_GETOPT_H
102
103AC_CHECK_TYPES([pid_t, uint8_t, uint16_t, uint32_t, int32_t, uint64_t, int64_t])
104AC_CHECK_SIZEOF(long long)
105AH_BOTTOM([
106#ifndef HAVE_UINT8_T
107typedef unsigned char uint8_t;
108#endif
109#ifndef HAVE_UINT16_T
110typedef unsigned short uint16_t;
111#endif
112#ifndef HAVE_UINT32_T
113typedef unsigned int uint32_t;
114#endif
115#ifndef HAVE_INT32_T
116typedef int int32_t;
117#endif
118#ifndef HAVE_UINT64_T
119#if SIZEOF_LONG_LONG == 8
120typedef unsigned long long uint64_t;
121#else
122typedef unsigned long uint64_t;
123#endif
124#endif
125#ifndef HAVE_INT64_T
126#if SIZEOF_LONG_LONG == 8
127typedef long long int64_t;
128#else
129typedef long int64_t;
130#endif
131#endif
132])
133
134AC_MSG_CHECKING(for gcc compiler warnings)
135AC_ARG_ENABLE(warnings,
136[  --disable-warnings	disable compiler warnings],
137[if test "${enableval}" = no -o "$GCC" = no; then
138   AC_MSG_RESULT(no)
139   WARNINGS=
140else
141   AC_MSG_RESULT(yes)
142   WARNINGS="-Wall -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith \
143       -Wmissing-declarations -Wredundant-decls -Wnested-externs \
144       -Wsign-compare -Wreturn-type -Wswitch -Wshadow \
145       -Wcast-qual -Wwrite-strings -Wextra -Wunused-parameter -Wformat=2"
146fi], [
147if test "$GCC" = yes; then
148   AC_MSG_RESULT(yes)
149   WARNINGS="-Wall -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith \
150       -Wmissing-declarations -Wredundant-decls -Wnested-externs \
151       -Wsign-compare -Wreturn-type -Wswitch -Wshadow \
152       -Wcast-qual -Wwrite-strings -Wextra -Wunused-parameter -Wformat=2"
153else
154   WARNINGS=
155   AC_MSG_RESULT(no)
156fi])
157
158dnl Checks for functions
159AC_CHECK_FUNCS(mmap strerror strndup strtoul mbrtowc mkstemp utimes utime wcwidth strtof fork)
160
161dnl Provide implementation of some required functions if necessary
162AC_REPLACE_FUNCS(getopt_long asprintf vasprintf strlcpy strlcat getline)
163
164dnl Checks for libraries
165AC_CHECK_LIB(z,gzopen)
166if test "$MINGW" = 1; then
167  AC_CHECK_LIB(gnurx,regexec,,AC_MSG_ERROR([libgnurx is required to build file(1) with MinGW]))
168fi
169
170dnl See if we are cross-compiling
171AM_CONDITIONAL(IS_CROSS_COMPILE, test "$cross_compiling" = yes)
172
173AC_CONFIG_FILES([Makefile src/Makefile magic/Makefile tests/Makefile doc/Makefile python/Makefile])
174AC_OUTPUT
175