1 dnl Process this file with autoconf to produce a configure script.
3 AC_INIT(pwmd, 3.1.0-dev, [Ben Kibbey bjk@luxsci.net])
4 AC_CONFIG_MACRO_DIR([m4])
5 AC_CONFIG_AUX_DIR(build)
7 AM_INIT_AUTOMAKE([foreign dist-bzip2 no-dist-gzip])
9 AC_USE_SYSTEM_EXTENSIONS()
11 AC_CONFIG_SRCDIR([src/pwmd.c])
12 AM_CONFIG_HEADER([config.h])
13 AM_GNU_GETTEXT([external])
14 AM_GNU_GETTEXT_VERSION([0.16.1])
16 dnl Checks for programs.
20 if test "$ac_cv_prog_cc_c99" = "no"; then
21 AC_MSG_WARN("Unable to find a C99 compatible compiler.")
32 dnl Checks for library functions.
33 AX_CHECK_COMPILE_FLAG([-D_FORTIFY_SOURCE=2],
34 [CPPFLAGS="$CPPFLAGS -D_FORTIFY_SOURCE=2"])
35 AX_CHECK_COMPILE_FLAG([-fsanitize=undefined],
36 [CFLAGS="$CFLAGS -fsanitize=undefined"])
37 AX_PTHREAD(, [POSIX threads are required])
39 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
40 LIBS="$PTHREAD_LIBS $LIBS"
42 acx_pthread_testcancel_ok=no
43 AC_MSG_CHECKING([for pthread_testcancel()])
44 AC_TRY_LINK_FUNC(pthread_testcancel, acx_pthread_testcancel_ok=yes)
45 AC_MSG_RESULT($acx_pthread_testcancel_ok)
46 if test x"$acx_pthread_testcancel_ok" = "xyes"; then
47 AC_DEFINE(HAVE_PTHREAD_TESTCANCEL, 1, [Define if your OS has pthread_testcancel().])
50 acx_pthread_cancel_ok=no
51 AC_MSG_CHECKING([for pthread_cancel()])
52 AC_TRY_LINK_FUNC(pthread_cancel, acx_pthread_cancel_ok=yes)
53 AC_MSG_RESULT($acx_pthread_cancel_ok)
54 if test x"$acx_pthread_cancel_ok" = "xyes"; then
55 AC_DEFINE(HAVE_PTHREAD_CANCEL, 1, [Define if your OS has pthread_cancel().])
58 acx_pthread_atfork_ok=no
59 AC_MSG_CHECKING([for pthread_atfork()])
60 AC_TRY_LINK_FUNC(pthread_atfork, acx_pthread_atfork_ok=yes)
61 AC_MSG_RESULT($acx_pthread_atfork_ok)
62 if test x"$acx_pthread_atfork_ok" = "xyes"; then
63 AC_DEFINE(HAVE_PTHREAD_ATFORK, 1, [Define if your OS has pthread_atfork().])
66 dnl Checks for header files.
70 AC_CHECK_HEADERS([fcntl.h stdlib.h string.h strings.h sys/time.h unistd.h \
71 libintl.h locale.h syslog.h termios.h getopt.h limits.h \
74 AC_CHECK_DECLS([SO_BINDTODEVICE],,, [[#include <sys/types.h>
75 #include <sys/socket.h>]])
79 PTHREAD_CFLAGS="-pthread"
80 PTHREAD_LIBS="-pthread"
88 AC_CHECK_HEADERS([linux/sockios.h sys/prctl.h])
89 if test "x$ac_cv_header_linux_sockios_h" = xyes; then
90 AC_CHECK_DECL([SIOCOUTQ],,, [[#include <linux/sockios.h>]])
91 if test "x$ac_cv_have_decl_SIOCOUTQ" = xyes; then
92 AC_DEFINE(HAVE_DECL_SIOCOUTQ, 1,
93 [Defined if SIOCOUTQ is available (Linux specific)])
97 if test "x$ac_cv_header_sys_prctl_h" = xyes; then
98 AC_CHECK_DECL([PR_SET_NAME],,, [[#include <sys/prctl.h>]])
99 if test "x$ac_cv_have_decl_PR_SET_NAME" = xyes; then
100 AC_DEFINE(HAVE_PR_SET_NAME, 1,
101 [Defined if PR_SET_NAME is available (Linux specific)])
104 AC_CHECK_DECL([PR_SET_DUMPABLE],,, [[#include <sys/prctl.h>]])
105 if test "x$ac_cv_have_decl_PR_SET_DUMPABLE" = xyes; then
106 AC_DEFINE(HAVE_PR_SET_DUMPABLE, 1,
107 [Defined if PR_SET_DUMPABLE is available (Linux specific)])
114 AC_CHECK_HEADERS([sys/filio.h])
115 if test "x$ac_cv_header_sys_filio_h" = xyes; then
116 AC_CHECK_DECL([FIONWRITE],,, [[#include <sys/filio.h>]])
117 if test "x$ac_cv_have_decl_FIONWRITE" = xyes; then
118 AC_DEFINE(HAVE_DECL_FIONWRITE, 1,
119 [Defined if FIONWRITE is available (*BSD specific, not OpenBSD)])
124 dnl All others use SO_SNDLOWAT.
128 dnl Checks for typedefs, structures, and compiler characteristics.
141 dnl Checks for library functions.
146 AC_CHECK_FUNCS([memset mkdir munmap setlocale socket strchr strerror strrchr \
147 strstr strtol setrlimit mlockall getopt_long backtrace \
148 getpwnam_r getgrnam_r])
149 AM_CONDITIONAL([NEED_GETOPT_LONG], [test "$ac_cv_func_getopt_long" != "yes"])
151 AM_PATH_LIBASSUAN([2.0.2],, AC_MSG_ERROR([libassuan >= 2.0.2 not found]))
152 AM_PATH_LIBGCRYPT([1:1.5.0],, AC_MSG_ERROR([libgcrypt >= 1.5.0 not found]))
153 AM_PATH_GPGME_PTHREAD([1.5.2],, AC_MSG_ERROR([gpgme >= 1.5.2 not found]))
154 AM_PATH_XML2(,, AC_MSG_ERROR([libxml2 not found]))
155 AM_PATH_GPG_ERROR(,, AC_MSG_ERROR([libgpg-error not found]))
156 AC_SEARCH_LIBS([clock_gettime], [rt])
158 dnl Remote TCP/TLS connections.
159 AC_ARG_ENABLE(gnutls, AC_HELP_STRING([--enable-gnutls],
160 [Enable TCP (GnuTLS) server support.]), USE_GNUTLS=$enableval,
162 if test "x$USE_GNUTLS" = "xyes"; then
163 PKG_CHECK_MODULES([GNUTLS], [gnutls >= 3.3.0])
164 AC_DEFINE(WITH_GNUTLS, 1, [Define if you want TCP (GnuTLS) support.])
166 AM_CONDITIONAL(WITH_GNUTLS, [test "x$USE_GNUTLS" = "xyes"])
174 AC_CACHE_CHECK([if debugging is wanted], [ac_cv_sys_debug],
175 [ac_cv_sys_debug=no])
176 AM_CONDITIONAL([WITH_DEBUG], [test "$ac_cv_sys_debug" = "yes"])
179 AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug], [Enable debugging (memory de/allocations output).]),
180 AC_DEBUG([$enableval]), AC_DEBUG)
182 AC_DEFUN([AC_MEM_DEBUG],
185 ac_cv_sys_mem_debug=$1
188 AC_CACHE_CHECK([if memory debugging is wanted], [ac_cv_sys_mem_debug],
189 [ac_cv_sys_mem_debug=no])
190 AM_CONDITIONAL([WITH_MEM_DEBUG], [test "$ac_cv_sys_mem_debug" = "yes"])
193 AC_DEFUN([AC_MUTEX_DEBUG],
196 ac_cv_sys_mutex_debug=$1
199 AC_CACHE_CHECK([if mutex debugging is wanted], [ac_cv_sys_mutex_debug],
200 [ac_cv_sys_mutex_debug=no])
201 AM_CONDITIONAL([WITH_MUTEX_DEBUG], [test "$ac_cv_sys_mutex_debug" = "yes"])
204 AC_ARG_ENABLE(mutex_debug, AC_HELP_STRING([--enable-mutex-debug], [Enable mutex debugging output.]),
205 AC_MUTEX_DEBUG([$enableval]), AC_MUTEX_DEBUG)
207 dnl Memory debugging.
208 AC_ARG_ENABLE(mem_debug, AC_HELP_STRING([--enable-mem-debug], [Disable internal memory manager.]),
209 AC_MEM_DEBUG([$enableval]), AC_MEM_DEBUG)
210 AM_CONDITIONAL(MEM_DEBUG, test x"${ac_cv_sys_mem_debug}" != xno)
212 # Default pwmd home directory.
213 AC_ARG_WITH(pwmd_homedir, AC_HELP_STRING([--with-pwmd-homedir=PATH],
214 [Default pwmd home directory (~/.pwmd)]),
215 pwmd_homedir="$withval", pwmd_homedir=)
216 if test x"$pwmd_homedir" != "x"; then
217 AC_DEFINE_UNQUOTED(PWMD_HOMEDIR, ["$pwmd_homedir"],
218 [Default pwmd home directory (~/.pwmd).])
221 VERSION_MAJOR="`echo "$VERSION" | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`"
222 VERSION_MINOR="`echo "$VERSION" | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`"
223 VERSION_PATCH="`echo "$VERSION" | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`"
224 VERSION_NUM="`printf 0x%02x%02x%02X ${VERSION_MAJOR} ${VERSION_MINOR} ${VERSION_PATCH}`"
225 AC_DEFINE_UNQUOTED(VERSION_HEX, ${VERSION_NUM}, [For the file header.])
227 dnl Disable optimizing of memset(). GCC and CLang (and others?) accept
228 dnl multiple optimization flags and use the last one specified. The
229 dnl non-optimized memset() may still use any CPU features found in the
230 dnl user specified CFLAGS (-mtune) and libc.
231 CFLAGS_ORIG="$CFLAGS"
232 CFLAGS_MEMZERO="$CFLAGS -O0"
234 AC_SUBST(CFLAGS_ORIG)
235 AC_SUBST(CFLAGS_MEMZERO)
237 AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile po/Makefile.in
242 echo " TCP (GnuTLS)....: $USE_GNUTLS"
244 if test x"$pwmd_homedir" != "x"; then
245 echo " Home directory..: $pwmd_homedir"
247 echo " Home directory..: ~/.pwmd"
250 echo " Debug...........: ${ac_cv_sys_debug}"
251 echo " Memory debug....: ${ac_cv_sys_mem_debug}"
252 echo " Mutex debug.....: ${ac_cv_sys_mutex_debug}"