1 dnl Process this file with autoconf to produce a configure script.
3 AC_PREREQ(2.13)dnl dnl Minimum Autoconf version required.
4 AC_INIT(vpath.c)dnl dnl A distinctive file to look for in srcdir.
6 AM_INIT_AUTOMAKE(make, 3.78.92)
7 AM_CONFIG_HEADER(config.h)
9 dnl Regular configure stuff
15 AC_CHECK_PROG(AR, ar, ar, ar)
17 AC_PROG_CPP dnl Later checks need this.
22 AC_CHECK_PROG(PERL, perl, perl, perl) dnl Needed for the test suite (only)
24 dnl This test must come as early as possible after the compiler configuration
25 dnl tests, because the choice of the file model can (in principle) affect
26 dnl whether functions and headers are available, whether they work, etc.
31 AC_TYPE_UID_T dnl Also does gid_t.
34 AC_CHECK_HEADERS(stdlib.h unistd.h limits.h sys/param.h fcntl.h string.h \
38 AC_C_CONST dnl getopt needs this.
39 AC_C_INLINE dnl gettext needs this.
42 AC_STRUCT_ST_MTIM_NSEC
47 AC_DEFUN(AC_CHECK_SYMBOL, [dnl
48 AC_MSG_CHECKING(for $1)
49 AC_CACHE_VAL(ac_cv_check_symbol_$1, [dnl
50 AC_TRY_LINK(, [extern char *sys_siglist[]; puts(*sys_siglist);],
51 ac_cv_check_symbol_$1=yes, ac_cv_check_symbol_$1=no)])
52 if test "$ac_cv_check_symbol_$1" = yes; then
54 ac_tr_symbol=`echo $1 | tr '[a-z]' '[A-Z]'`
56 AC_DEFINE_UNQUOTED(HAVE_${ac_tr_symbol})
58 AC_MSG_RESULT($ac_cv_check_symbol_$1)])dnl
60 # clock_gettime is in -lposix4 in Solaris 2.6.
61 AC_CHECK_LIB(posix4, clock_gettime)
63 AC_CHECK_FUNCS(memmove strchr memcpy strdup psignal mkstemp mktemp fdopen \
64 clock_gettime dup2 getcwd sigsetmask sigaction getgroups \
65 setlinebuf seteuid setegid setreuid setregid pipe \
67 AC_CHECK_SYMBOL(sys_siglist)
73 AC_FUNC_SETVBUF_REVERSED
76 AC_CHECK_LIB(kstat, kstat_open) dnl _Must_ come before AC_FUNC_GETLOADAVG.
77 AC_CHECK_FUNCS(pstat_getdynamic) dnl Supposedly in AC_FUNC_GETLOADAVG, but...?
80 # Check out the wait reality.
81 AC_CHECK_HEADERS(sys/wait.h)
82 AC_CHECK_FUNCS(waitpid wait3)
83 AC_MSG_CHECKING(for union wait)
84 AC_CACHE_VAL(make_cv_union_wait, [dnl
85 AC_TRY_LINK([#include <sys/types.h>
86 #include <sys/wait.h>],
87 [union wait status; int pid; pid = wait (&status);
89 /* Some POSIXoid systems have both the new-style macros and the old
90 union wait type, and they do not work together. If union wait
91 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
92 if (WEXITSTATUS (status) != 0) pid = -1;
94 /* If we have WEXITSTATUS and WTERMSIG, just use them on ints. */
95 -- blow chunks here --
99 /* Make sure union wait works with waitpid. */
100 pid = waitpid (-1, &status, 0);
103 [make_cv_union_wait=yes], [make_cv_union_wait=no])])
104 if test "$make_cv_union_wait" = yes; then
105 AC_DEFINE(HAVE_UNION_WAIT)
107 AC_MSG_RESULT($make_cv_union_wait)
111 dnl Handle internationalization
113 ALL_LINGUAS="de es fr ko nl pl ru"
116 # The presence of the following is not meant to imply
117 # that make necessarily works on those systems.
118 AC_CHECK_LIB(sun, getpwnam)
120 AC_SUBST(REMOTE) REMOTE=stub
123 [ --with-customs=DIR Enable remote jobs via Customs--see README.customs],
126 *) make_cppflags="$CPPFLAGS"
129 *) CPPFLAGS="$CPPFLAGS -I$with_customs/include/customs"
130 make_ldflags="$LDFLAGS -L$with_customs/lib" ;;
133 AC_CHECK_HEADER(customs.h,
135 LIBS="$LIBS -lcustoms" LDFLAGS="$make_ldflags",
137 CPPFLAGS="$make_cppflags" make_badcust=yes)
141 dnl See if we can handle the job server feature, and if the user wants it.
143 AC_ARG_ENABLE(job-server,
144 [ --disable-job-server Disallow recursive make communication during -jN],
145 [make_cv_job_server="$enableval" user_job_server="$enableval"],
146 [make_cv_job_server="yes"])
149 case "$ac_cv_func_waitpid/$ac_cv_func_wait3" in
150 no/no) has_wait_nohang=no ;;
153 case "$ac_cv_func_pipe/$ac_cv_func_sigaction/$has_wait_nohang/$make_cv_job_server" in
154 yes/yes/yes/yes) AC_DEFINE(MAKE_JOBSERVER) ;;
157 dnl Allow building with dmalloc
159 AC_ARG_ENABLE(dmalloc,
160 [ --enable-dmalloc Enable support for the dmalloc debugging library],
161 [make_cv_dmalloc="$enableval"],
162 [make_cv_dmalloc="no"])
164 case "$make_cv_dmalloc" in
165 yes) AC_CHECK_HEADERS(dmalloc.h)
166 AC_CHECK_LIB(dmalloc, dmalloc_shutdown)
167 CPPFLAGS="$CPPFLAGS -DDMALLOC_FUNC_CHECK" ;;
170 AC_CACHE_CHECK(for location of SCCS get command, make_cv_path_sccs_get, [
171 if test -f /usr/sccs/get; then
172 make_cv_path_sccs_get=/usr/sccs/get
174 make_cv_path_sccs_get=get
176 AC_DEFINE_UNQUOTED(SCCS_GET,["$make_cv_path_sccs_get"])
178 ac_clean_files="$ac_clean_files s.conftest conftoast" # Remove these later.
179 if ( /usr/sccs/admin -n s.conftest || admin -n s.conftest ) >/dev/null 2>&1 &&
180 test -f s.conftest; then
181 # We successfully created an SCCS file.
182 AC_CACHE_CHECK(if SCCS get command understands -G, make_cv_sys_get_minus_G, [
183 if $make_cv_path_sccs_get -Gconftoast s.conftest >/dev/null 2>&1 &&
184 test -f conftoast; then
185 make_cv_sys_get_minus_G=yes
187 make_cv_sys_get_minus_G=no
189 case "$make_cv_sys_get_minus_G" in
190 yes) AC_DEFINE(SCCS_GET_MINUS_G);;
193 rm -f s.conftest conftoast
195 AC_MSG_CHECKING(if system libc has GNU glob)
196 AC_CACHE_VAL(make_cv_sys_gnu_glob, [
198 #include <features.h>
202 #define GLOB_INTERFACE_VERSION 1
203 #if defined _LIBC || !defined __GNU_LIBRARY__ || __GNU_LIBRARY__ <= 1
206 # include <gnu-versions.h>
207 # if _GNU_GLOB_INTERFACE_VERSION != GLOB_INTERFACE_VERSION
211 ], make_cv_sys_gnu_glob=yes, make_cv_sys_gnu_glob=no)])
212 case "$make_cv_sys_gnu_glob" in
213 yes) AC_MSG_RESULT(yes) ;;
214 no) AC_MSG_RESULT([no; using local copy])
215 AC_SUBST(GLOBDIR) GLOBDIR=glob
216 AC_SUBST(GLOBINC) GLOBINC='-I$(srcdir)/glob'
217 AC_SUBST(GLOBLIB) GLOBLIB=glob/libglob.a
221 AC_DEFINE_UNQUOTED(MAKE_HOST,"$host",[Build host information.])
225 MAINT_MAKEFILE=/dev/null
226 if test -r "$srcdir/maintMakefile"; then
227 MAINT_MAKEFILE="$srcdir/maintMakefile"
229 AC_SUBST_FILE(MAINT_MAKEFILE)
231 AC_OUTPUT(build.sh Makefile glob/Makefile i18n/Makefile)
233 dnl If we don't yet have build.sh.in, build.sh is a bogus 0-length file
235 dnl Can't do this because then remote builds with build.sh don't work.
236 dnl test -f build.sh.in || rm -f build.sh
239 case "$make_badcust" in
241 echo "WARNING: --with-customs specified but no customs.h could be found;"
242 echo " disabling Customs support."
246 case "$with_customs" in
248 *) if test -f "$with_customs/lib/libcustoms.a"; then
252 echo "WARNING: \`$with_customs/lib' does not appear to contain the"
253 echo " Customs library. You must build and install Customs"
254 echo " before compiling GNU make."
259 case "$has_wait_nohang" in
261 echo "WARNING: Your system has neither waitpid() nor wait3()."
262 echo " Without one of these, signal handling is unreliable."
263 echo " You should be aware that running GNU make with -j"
264 echo " could result in erratic behavior."
268 case "$make_cv_job_server/$user_job_server" in
270 echo "WARNING: Make job server requires a POSIX-ish system that"
271 echo " supports the pipe(), sigaction(), and either"
272 echo " waitpid() or wait3() functions. Your system doesn't"
273 echo " appear to provide one or more of those."
274 echo " Disabling job server support."
279 dnl comment-start: "dnl "
281 dnl comment-start-skip: "\\bdnl\\b\\s *"
282 dnl compile-command: "make configure config.h.in"