1 dnl These m4 macros are whitespace sensitive and break if moved around much.
2 m4_define([LU_VERSION_H], m4_include([libusb/version.h]))
3 m4_define([LU_DEFINE_VERSION_ATOM],
4 [m4_define([$1], m4_bregexp(LU_VERSION_H,
5 [^#define\s*$1\s*\([0-9]*\).*], [\1]))])
6 m4_define([LU_DEFINE_VERSION_RC_ATOM],
7 [m4_define([$1], m4_bregexp(LU_VERSION_H,
8 [^#define\s*$1\s*"\(-rc[0-9]*\)".*], [\1]))])
9 dnl The m4_bregexp() returns (only) the numbers following the #define named
10 dnl in the first macro parameter. m4_define() then defines the name for use
13 LU_DEFINE_VERSION_ATOM([LIBUSB_MAJOR])
14 LU_DEFINE_VERSION_ATOM([LIBUSB_MINOR])
15 LU_DEFINE_VERSION_ATOM([LIBUSB_MICRO])
16 LU_DEFINE_VERSION_RC_ATOM([LIBUSB_RC])
18 AC_INIT([libusb],[LIBUSB_MAJOR[.]LIBUSB_MINOR[.]LIBUSB_MICRO[]LIBUSB_RC],[libusb-devel@lists.sourceforge.net],[libusb],[http://libusb.info])
21 # These numbers should be tweaked on every release. Read carefully:
22 # http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
23 # http://sourceware.org/autobook/autobook/autobook_91.html
27 LTLDFLAGS="-version-info ${lt_current}:${lt_revision}:${lt_age}"
31 AC_CONFIG_SRCDIR([libusb/core.c])
32 AC_CONFIG_MACRO_DIR([m4])
33 AC_CONFIG_HEADERS([config.h])
34 m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
40 LT_LANG([Windows Resource])
43 AC_DEFINE([_GNU_SOURCE], 1, [Use GNU extensions])
45 LTLDFLAGS="${LTLDFLAGS} -no-undefined"
47 AC_MSG_CHECKING([operating system])
49 dnl on linux-android platform, some functions are in different places
52 AC_MSG_RESULT([This is a Linux-Android system])
53 is_backend_android="yes"
56 is_backend_android="no"
60 *-linux* | *-uclinux*)
61 AC_MSG_RESULT([Linux])
66 AC_MSG_RESULT([Darwin/Mac OS X])
71 AC_MSG_RESULT([OpenBSD])
76 AC_MSG_RESULT([NetBSD])
81 AC_MSG_RESULT([Windows])
84 create_import_lib="yes"
85 AM_CFLAGS="${AM_CFLAGS} -fno-omit-frame-pointer"
88 AC_MSG_RESULT([Cygwin (using Windows backend)])
93 AC_MSG_RESULT([Haiku])
98 AC_MSG_ERROR([unsupported operating system])
103 AC_DEFINE(OS_LINUX, 1, [Linux backend])
105 AC_SEARCH_LIBS(clock_gettime, rt, [], [], -pthread)
106 AC_ARG_ENABLE([udev],
107 [AC_HELP_STRING([--enable-udev], [use udev for device enumeration and hotplug support (recommended) [default=yes]])],
108 [], [enable_udev="yes"])
109 if test "x$enable_udev" = "xyes" ; then
110 # system has udev. use it or fail!
111 AC_CHECK_HEADERS([libudev.h],[],[AC_ERROR(["udev support requested but libudev not installed"])])
112 AC_CHECK_LIB([udev], [udev_new], [], [AC_ERROR(["udev support requested but libudev not installed"])])
113 AC_DEFINE(USE_UDEV, 1, [Use udev for device enumeration/hotplug])
115 AC_CHECK_HEADERS([asm/types.h], [], [])
116 AC_CHECK_HEADERS([sys/socket.h linux/netlink.h], [], [AC_ERROR(["Linux netlink headers not found"])], [
117 #ifdef HAVE_ASM_TYPES_H
118 #include <asm/types.h>
120 #include <sys/socket.h>
125 case $is_backend_android in
127 dnl there are gettimeofday function but configure doesn't seem to be able to find it.
128 AC_DEFINE([HAVE_GETTIMEOFDAY], [1], [Define if you have gettimeofday])
131 THREAD_CFLAGS="-pthread"
132 LIBS="${LIBS} -pthread"
135 AC_CHECK_HEADERS([poll.h])
136 AC_DEFINE([POLL_NFDS_TYPE],[nfds_t],[type of second poll() argument])
139 AC_DEFINE(OS_DARWIN, 1, [Darwin backend])
141 LIBS="-lobjc -Wl,-framework,IOKit -Wl,-framework,CoreFoundation"
142 LTLDFLAGS="${LTLDFLAGS} -Wl,-prebind"
143 AC_CHECK_HEADERS([poll.h])
144 AC_CHECK_TYPE([nfds_t],
145 [AC_DEFINE([POLL_NFDS_TYPE],[nfds_t],[type of second poll() argument])],
146 [AC_DEFINE([POLL_NFDS_TYPE],[unsigned int],[type of second poll() argument])],
150 AC_DEFINE(OS_OPENBSD, 1, [OpenBSD backend])
152 THREAD_CFLAGS="-pthread"
154 AC_CHECK_HEADERS([poll.h])
155 AC_DEFINE([POLL_NFDS_TYPE],[nfds_t],[type of second poll() argument])
158 AC_DEFINE(OS_NETBSD, 1, [NetBSD backend])
160 THREAD_CFLAGS="-pthread"
162 AC_CHECK_HEADERS([poll.h])
163 AC_DEFINE([POLL_NFDS_TYPE],[nfds_t],[type of second poll() argument])
166 AC_DEFINE(OS_WINDOWS, 1, [Windows backend])
169 LTLDFLAGS="${LTLDFLAGS} -avoid-version -Wl,--add-stdcall-alias"
170 AC_DEFINE([POLL_NFDS_TYPE],[unsigned int],[type of second poll() argument])
171 AC_DEFINE([WINVER], 0x0501, [Oldest Windows version supported])
173 AC_ARG_ENABLE([usbdk],
174 [AC_HELP_STRING([--enable-usbdk], [use UsbDk Windows backend [default=no]])],
175 [], [enable_usbdk="no"])
176 if test "x$enable_usbdk" = "xyes" ; then
177 AC_DEFINE(USE_USBDK, 1, [Use UsbDk Windows backend])
182 AC_DEFINE(OS_HAIKU, 1, [Haiku backend])
185 AC_CHECK_HEADERS([poll.h])
186 AC_DEFINE([POLL_NFDS_TYPE],[nfds_t],[type of second poll() argument])
192 AM_CONDITIONAL(OS_LINUX, test "x$backend" = xlinux)
193 AM_CONDITIONAL(OS_DARWIN, test "x$backend" = xdarwin)
194 AM_CONDITIONAL(OS_OPENBSD, test "x$backend" = xopenbsd)
195 AM_CONDITIONAL(OS_NETBSD, test "x$backend" = xnetbsd)
196 AM_CONDITIONAL(OS_WINDOWS, test "x$backend" = xwindows)
197 AM_CONDITIONAL(OS_HAIKU, test "x$backend" = xhaiku)
198 AM_CONDITIONAL(THREADS_POSIX, test "x$threads" = xposix)
199 AM_CONDITIONAL(CREATE_IMPORT_LIB, test "x$create_import_lib" = "xyes")
200 AM_CONDITIONAL(USE_UDEV, test "x$enable_udev" = xyes)
201 AM_CONDITIONAL(USE_USBDK, test "x$enable_usbdk" = xyes)
202 if test "$threads" = posix; then
203 AC_DEFINE(THREADS_POSIX, 1, [Use POSIX Threads])
207 AC_CHECK_HEADER([sys/timerfd.h], [timerfd_h=1], [timerfd_h=0])
208 AC_ARG_ENABLE([timerfd],
209 [AS_HELP_STRING([--enable-timerfd],
210 [use timerfd for timing [default=auto]])],
211 [use_timerfd=$enableval], [use_timerfd='auto'])
213 if test "x$use_timerfd" = "xyes" -a "x$timerfd_h" = "x0"; then
214 AC_MSG_ERROR([timerfd header not available; glibc 2.9+ required])
217 AC_CHECK_DECL([TFD_NONBLOCK], [tfd_hdr_ok=yes], [tfd_hdr_ok=no], [#include <sys/timerfd.h>])
218 if test "x$use_timerfd" = "xyes" -a "x$tfd_hdr_ok" = "xno"; then
219 AC_MSG_ERROR([timerfd header not usable; glibc 2.9+ required])
222 AC_MSG_CHECKING([whether to use timerfd for timing])
223 if test "x$use_timerfd" = "xno"; then
224 AC_MSG_RESULT([no (disabled by user)])
226 if test "x$timerfd_h" = "x1" -a "x$tfd_hdr_ok" = "xyes"; then
228 AC_DEFINE(USBI_TIMERFD_AVAILABLE, 1, [timerfd headers available])
230 AC_MSG_RESULT([no (header not available)])
234 AC_CHECK_TYPES(struct timespec)
237 AC_ARG_ENABLE([log], [AS_HELP_STRING([--disable-log], [disable all logging])],
238 [log_enabled=$enableval],
240 if test "x$log_enabled" != "xno"; then
241 AC_DEFINE([ENABLE_LOGGING], 1, [Message logging])
244 AC_ARG_ENABLE([debug-log], [AS_HELP_STRING([--enable-debug-log],
245 [start with debug message logging enabled [default=no]])],
246 [debug_log_enabled=$enableval],
247 [debug_log_enabled='no'])
248 if test "x$debug_log_enabled" != "xno"; then
249 AC_DEFINE([ENABLE_DEBUG_LOGGING], 1, [Start with debug message logging enabled])
252 AC_ARG_ENABLE([system-log], [AS_HELP_STRING([--enable-system-log],
253 [output logging messages to system wide log, if supported by the OS [default=no]])],
254 [system_log_enabled=$enableval],
255 [system_log_enabled='no'])
256 if test "x$system_log_enabled" != "xno"; then
257 AC_DEFINE([USE_SYSTEM_LOGGING_FACILITY], 1, [Enable output to system log])
260 # Check if syslog is available in standard C library
261 AC_CHECK_HEADERS(syslog.h)
262 AC_CHECK_FUNC([syslog], [have_syslog=yes], [have_syslog=no])
263 if test "x$have_syslog" != "xno"; then
264 AC_DEFINE([HAVE_SYSLOG_FUNC], 1, [syslog() function available])
268 AC_ARG_ENABLE([examples-build], [AS_HELP_STRING([--enable-examples-build],
269 [build example applications [default=no]])],
270 [build_examples=$enableval],
271 [build_examples='no'])
272 AM_CONDITIONAL([BUILD_EXAMPLES], [test "x$build_examples" != "xno"])
275 AC_ARG_ENABLE([tests-build], [AS_HELP_STRING([--enable-tests-build],
276 [build test applications [default=no]])],
277 [build_tests=$enableval],
279 AM_CONDITIONAL([BUILD_TESTS], [test "x$build_tests" != "xno"])
281 # check for -fvisibility=hidden compiler support (GCC >= 3.4)
282 saved_cflags="$CFLAGS"
283 # -Werror required for cygwin
284 CFLAGS="$CFLAGS -Werror -fvisibility=hidden"
285 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
286 [VISIBILITY_CFLAGS="-fvisibility=hidden"
287 AC_DEFINE([DEFAULT_VISIBILITY], [__attribute__((visibility("default")))], [Default visibility]) ],
288 [ VISIBILITY_CFLAGS=""
289 AC_DEFINE([DEFAULT_VISIBILITY], [], [Default visibility]) ],
291 CFLAGS="$saved_cflags"
293 # check for -Wno-pointer-sign compiler support (GCC >= 4)
294 saved_cflags="$CFLAGS"
295 CFLAGS="$CFLAGS -Wno-pointer-sign"
296 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
297 nopointersign_cflags="-Wno-pointer-sign", nopointersign_cflags="")
298 CFLAGS="$saved_cflags"
300 # sigaction not available on MinGW
301 AC_CHECK_FUNC([sigaction], [have_sigaction=yes], [have_sigaction=no])
302 AM_CONDITIONAL([HAVE_SIGACTION], [test "x$have_sigaction" = "xyes"])
304 # headers not available on all platforms but required on others
305 AC_CHECK_HEADERS([sys/time.h])
306 AC_CHECK_FUNCS(gettimeofday)
307 AC_CHECK_HEADERS([signal.h])
309 # check for -std=gnu99 compiler support
310 saved_cflags="$CFLAGS"
312 AC_MSG_CHECKING([whether CC supports -std=gnu99])
313 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
314 [AC_MSG_RESULT([yes])]
315 [AM_CFLAGS="${AM_CFLAGS} -std=gnu99"],
316 [AC_MSG_RESULT([no])]
318 CFLAGS="$saved_cflags"
320 AM_CFLAGS="${AM_CFLAGS} -Wall -Wundef -Wunused -Wstrict-prototypes -Werror-implicit-function-declaration $nopointersign_cflags -Wshadow ${THREAD_CFLAGS} ${VISIBILITY_CFLAGS}"
325 AC_CONFIG_FILES([libusb-1.0.pc])
326 AC_CONFIG_FILES([Makefile])
327 AC_CONFIG_FILES([libusb/Makefile])
328 AC_CONFIG_FILES([examples/Makefile])
329 AC_CONFIG_FILES([tests/Makefile])
330 AC_CONFIG_FILES([doc/Makefile])
331 AC_CONFIG_FILES([doc/doxygen.cfg])