1 dnl Process this file with autoconf to produce a configure script.
2 AC_REVISION([$Id: configure.in,v 1.101 2000/06/23 18:55:43 psmith Exp $])
3 AC_PREREQ(2.13)dnl dnl Minimum Autoconf version required.
4 AC_INIT(vpath.c)dnl dnl A distinctive file to look for in srcdir.
6 AM_INIT_AUTOMAKE(make, 3.79.1)
7 AM_CONFIG_HEADER(config.h)
9 dnl Regular configure stuff
15 AC_CHECK_PROG(AR, ar, ar, ar)
17 AC_PROG_CPP dnl Later checks need this.
22 AC_CHECK_PROG(PERL, perl, perl, perl) dnl Needed for the test suite (only)
24 dnl This test must come as early as possible after the compiler configuration
25 dnl tests, because the choice of the file model can (in principle) affect
26 dnl whether functions and headers are available, whether they work, etc.
31 AC_TYPE_UID_T dnl Also does gid_t.
34 AC_CHECK_HEADERS(stdlib.h unistd.h limits.h sys/param.h fcntl.h string.h \
35 memory.h sys/time.h sys/timeb.h)
38 AC_C_CONST dnl getopt needs this.
39 AC_C_INLINE dnl gettext needs this.
43 dnl Handle internationalization
45 ALL_LINGUAS="de es fr ja ko nl pl pt_BR ru"
49 dnl See if the user wants nsec timestamps
51 AC_ARG_ENABLE(nsec-timestamps,
52 [ --disable-nsec-timestamps disable use of sub-second timestamps],
53 [make_cv_nsec_timestamps="$enableval"],
54 [make_cv_nsec_timestamps="yes"])
56 if test "x$make_cv_nsec_timestamps" != xno; then
57 AC_STRUCT_ST_MTIM_NSEC
63 AC_DEFUN(AC_CHECK_SYMBOL, [dnl
64 AC_MSG_CHECKING(for $1)
65 AC_CACHE_VAL(ac_cv_check_symbol_$1, [dnl
66 AC_TRY_LINK(, [extern char *sys_siglist[]; puts(*sys_siglist);],
67 ac_cv_check_symbol_$1=yes, ac_cv_check_symbol_$1=no)])
68 if test "$ac_cv_check_symbol_$1" = yes; then
70 ac_tr_symbol=`echo $1 | tr '[a-z]' '[A-Z]'`
72 AC_DEFINE_UNQUOTED(HAVE_${ac_tr_symbol})
74 AC_MSG_RESULT($ac_cv_check_symbol_$1)])dnl
76 # Solaris 2.5.1 needs -lposix4 to get the clock_gettime function.
77 # Solaris 7 prefers the library name -lrt to the obsolescent name -lposix4.
78 AC_SEARCH_LIBS(clock_gettime, [rt posix4])
79 if test "$ac_cv_search_clock_gettime" != no; then
80 AC_DEFINE(HAVE_CLOCK_GETTIME, 1,
81 [Define if you have the clock_gettime function.])
84 # See if we have a standard version of gettimeofday(). Since actual
85 # implementations can differ, just make sure we have the most common
87 AC_CACHE_CHECK([for standard gettimeofday], ac_cv_func_gettimeofday,
88 [ac_cv_func_gettimeofday=no
89 AC_TRY_RUN([#include <sys/time.h>
92 struct timeval t; t.tv_sec = -1; t.tv_usec = -1;
93 exit (gettimeofday (&t, 0) != 0
94 || t.tv_sec < 0 || t.tv_usec < 0);
96 ac_cv_func_gettimeofday=yes,
97 ac_cv_func_gettimeofday=no,
98 ac_cv_func_gettimeofday="no (cross-compiling)")])
99 if test $ac_cv_func_gettimeofday = yes; then
100 AC_DEFINE(HAVE_GETTIMEOFDAY, 1,
101 [Define if you have a standard gettimeofday function])
104 AC_CHECK_FUNCS( memmove memcpy strchr strdup psignal mkstemp mktemp fdopen \
105 dup2 getcwd sigsetmask sigaction getgroups setlinebuf \
106 seteuid setegid setreuid setregid pipe strerror strsignal)
108 AC_CHECK_SYMBOL(sys_siglist)
113 AC_FUNC_CLOSEDIR_VOID
114 AC_FUNC_SETVBUF_REVERSED
116 AC_CHECK_LIB(kstat, kstat_open) dnl _Must_ come before AC_FUNC_GETLOADAVG.
117 AC_CHECK_FUNCS(pstat_getdynamic) dnl Supposedly in AC_FUNC_GETLOADAVG, but...?
120 # Check out the wait reality.
121 AC_CHECK_HEADERS(sys/wait.h)
122 AC_CHECK_FUNCS(waitpid wait3)
123 AC_MSG_CHECKING(for union wait)
124 AC_CACHE_VAL(make_cv_union_wait, [dnl
125 AC_TRY_LINK([#include <sys/types.h>
126 #include <sys/wait.h>],
127 [union wait status; int pid; pid = wait (&status);
129 /* Some POSIXoid systems have both the new-style macros and the old
130 union wait type, and they do not work together. If union wait
131 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
132 if (WEXITSTATUS (status) != 0) pid = -1;
134 /* If we have WEXITSTATUS and WTERMSIG, just use them on ints. */
135 -- blow chunks here --
139 /* Make sure union wait works with waitpid. */
140 pid = waitpid (-1, &status, 0);
143 [make_cv_union_wait=yes], [make_cv_union_wait=no])])
144 if test "$make_cv_union_wait" = yes; then
145 AC_DEFINE(HAVE_UNION_WAIT, 1, [Define this if you have the \`union wait' type in <sys/wait.h>.])
147 AC_MSG_RESULT($make_cv_union_wait)
151 # The presence of the following is not meant to imply
152 # that make necessarily works on those systems.
153 AC_SEARCH_LIBS(getpwnam, sun)
155 AC_SUBST(REMOTE) REMOTE=stub
158 [ --with-customs=DIR Enable remote jobs via Customs--see README.customs],
161 *) make_cppflags="$CPPFLAGS"
164 *) CPPFLAGS="$CPPFLAGS -I$with_customs/include/customs"
165 make_ldflags="$LDFLAGS -L$with_customs/lib" ;;
168 AC_CHECK_HEADER(customs.h,
170 LIBS="$LIBS -lcustoms" LDFLAGS="$make_ldflags",
172 CPPFLAGS="$make_cppflags" make_badcust=yes)
176 dnl See if we can handle the job server feature, and if the user wants it.
178 AC_ARG_ENABLE(job-server,
179 [ --disable-job-server Disallow recursive make communication during -jN],
180 [make_cv_job_server="$enableval" user_job_server="$enableval"],
181 [make_cv_job_server="yes"])
184 case "$ac_cv_func_waitpid/$ac_cv_func_wait3" in
185 no/no) has_wait_nohang=no ;;
188 case "$ac_cv_func_pipe/$ac_cv_func_sigaction/$has_wait_nohang/$make_cv_job_server" in
189 yes/yes/yes/yes) AC_DEFINE(MAKE_JOBSERVER, 1,
190 [Define this to enable job server support in GNU make.]);;
193 dnl Allow building with dmalloc
195 AC_ARG_ENABLE(dmalloc,
196 [ --enable-dmalloc Enable support for the dmalloc debugging library],
197 [make_cv_dmalloc="$enableval"],
198 [make_cv_dmalloc="no"])
200 case "$make_cv_dmalloc" in
201 yes) AC_CHECK_HEADERS(dmalloc.h)
202 AC_CHECK_LIB(dmalloc, dmalloc_shutdown)
203 CPPFLAGS="$CPPFLAGS -DDMALLOC_FUNC_CHECK" ;;
206 AC_CACHE_CHECK(for location of SCCS get command, make_cv_path_sccs_get, [
207 if test -f /usr/sccs/get; then
208 make_cv_path_sccs_get=/usr/sccs/get
210 make_cv_path_sccs_get=get
212 AC_DEFINE_UNQUOTED(SCCS_GET,["$make_cv_path_sccs_get"])
214 ac_clean_files="$ac_clean_files s.conftest conftoast" # Remove these later.
215 if ( /usr/sccs/admin -n s.conftest || admin -n s.conftest ) >/dev/null 2>&1 &&
216 test -f s.conftest; then
217 # We successfully created an SCCS file.
218 AC_CACHE_CHECK(if SCCS get command understands -G, make_cv_sys_get_minus_G, [
219 if $make_cv_path_sccs_get -Gconftoast s.conftest >/dev/null 2>&1 &&
220 test -f conftoast; then
221 make_cv_sys_get_minus_G=yes
223 make_cv_sys_get_minus_G=no
225 case "$make_cv_sys_get_minus_G" in
226 yes) AC_DEFINE(SCCS_GET_MINUS_G, 1,
227 [Define this if the SCCS \`get' command understands the \`-G<file>' option.]);;
230 rm -f s.conftest conftoast
232 AC_MSG_CHECKING(if system libc has GNU glob)
233 AC_CACHE_VAL(make_cv_sys_gnu_glob, [
235 #include <features.h>
239 #define GLOB_INTERFACE_VERSION 1
240 #if defined _LIBC || !defined __GNU_LIBRARY__ || __GNU_LIBRARY__ <= 1
243 # include <gnu-versions.h>
244 # if _GNU_GLOB_INTERFACE_VERSION != GLOB_INTERFACE_VERSION
248 ], make_cv_sys_gnu_glob=yes, make_cv_sys_gnu_glob=no)])
249 case "$make_cv_sys_gnu_glob" in
250 yes) AC_MSG_RESULT(yes) ;;
251 no) AC_MSG_RESULT([no; using local copy])
252 AC_SUBST(GLOBDIR) GLOBDIR=glob
253 AC_SUBST(GLOBINC) GLOBINC='-I$(srcdir)/glob'
254 AC_SUBST(GLOBLIB) GLOBLIB=glob/libglob.a
258 AC_DEFINE_UNQUOTED(MAKE_HOST,"$host",[Build host information.])
262 MAINT_MAKEFILE=/dev/null
263 if test -r "$srcdir/maintMakefile"; then
264 MAINT_MAKEFILE="$srcdir/maintMakefile"
266 AC_SUBST_FILE(MAINT_MAKEFILE)
268 AC_OUTPUT(build.sh Makefile glob/Makefile i18n/Makefile)
270 dnl If we don't yet have build.sh.in, build.sh is a bogus 0-length file
272 dnl Can't do this because then remote builds with build.sh don't work.
273 dnl test -f build.sh.in || rm -f build.sh
276 case "$make_badcust" in
278 echo "WARNING: --with-customs specified but no customs.h could be found;"
279 echo " disabling Customs support."
283 case "$with_customs" in
285 *) if test -f "$with_customs/lib/libcustoms.a"; then
289 echo "WARNING: \`$with_customs/lib' does not appear to contain the"
290 echo " Customs library. You must build and install Customs"
291 echo " before compiling GNU make."
296 case "$has_wait_nohang" in
298 echo "WARNING: Your system has neither waitpid() nor wait3()."
299 echo " Without one of these, signal handling is unreliable."
300 echo " You should be aware that running GNU make with -j"
301 echo " could result in erratic behavior."
305 case "$make_cv_job_server/$user_job_server" in
307 echo "WARNING: Make job server requires a POSIX-ish system that"
308 echo " supports the pipe(), sigaction(), and either"
309 echo " waitpid() or wait3() functions. Your system doesn't"
310 echo " appear to provide one or more of those."
311 echo " Disabling job server support."
316 dnl comment-start: "dnl "
318 dnl comment-start-skip: "\\bdnl\\b\\s *"
319 dnl compile-command: "make configure config.h.in"