1 dnl Process this file with autoconf to produce a configure script.
2 AC_REVISION([$Id: configure.in,v 1.77 1999/08/31 17:02:38 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, 3.77.95)
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 dnl This test must come as early as possible after the compiler configuration
23 dnl tests, because the choice of the file model can (in principle) affect
24 dnl whether functions and headers are available, whether they work, etc.
29 AC_TYPE_UID_T dnl Also does gid_t.
32 AC_CHECK_HEADERS(stdlib.h unistd.h limits.h sys/param.h fcntl.h string.h \
36 AC_C_CONST dnl getopt needs this.
39 AC_STRUCT_ST_MTIM_NSEC
44 AC_DEFUN(AC_CHECK_SYMBOL, [dnl
45 AC_MSG_CHECKING(for $1)
46 AC_CACHE_VAL(ac_cv_check_symbol_$1, [dnl
47 AC_TRY_LINK(, [extern char *sys_siglist[]; puts(*sys_siglist);],
48 ac_cv_check_symbol_$1=yes, ac_cv_check_symbol_$1=no)])
49 if test "$ac_cv_check_symbol_$1" = yes; then
51 ac_tr_symbol=`echo $1 | tr '[a-z]' '[A-Z]'`
53 AC_DEFINE_UNQUOTED(HAVE_${ac_tr_symbol})
55 AC_MSG_RESULT($ac_cv_check_symbol_$1)])dnl
57 # clock_gettime is in -lposix4 in Solaris 2.6.
58 AC_CHECK_LIB(posix4, clock_gettime)
60 AC_CHECK_FUNCS(memmove strdup psignal mktemp pstat_getdynamic \
61 clock_gettime dup2 getcwd sigsetmask sigaction getgroups \
62 setlinebuf seteuid setegid setreuid setregid pipe \
64 AC_CHECK_SYMBOL(sys_siglist)
70 AC_FUNC_SETVBUF_REVERSED
73 AC_CHECK_LIB(kstat, kstat_open) dnl _Must_ come before AC_FUNC_GETLOADAVG.
76 # Check out the wait reality.
77 AC_CHECK_HEADERS(sys/wait.h)
78 AC_CHECK_FUNCS(waitpid wait3)
79 AC_MSG_CHECKING(for union wait)
80 AC_CACHE_VAL(make_cv_union_wait, [dnl
81 AC_TRY_LINK([#include <sys/types.h>
82 #include <sys/wait.h>],
83 [union wait status; int pid; pid = wait (&status);
85 /* Some POSIXoid systems have both the new-style macros and the old
86 union wait type, and they do not work together. If union wait
87 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
88 if (WEXITSTATUS (status) != 0) pid = -1;
90 /* If we have WEXITSTATUS and WTERMSIG, just use them on ints. */
91 -- blow chunks here --
95 /* Make sure union wait works with waitpid. */
96 pid = waitpid (-1, &status, 0);
99 [make_cv_union_wait=yes], [make_cv_union_wait=no])])
100 if test "$make_cv_union_wait" = yes; then
101 AC_DEFINE(HAVE_UNION_WAIT)
103 AC_MSG_RESULT($make_cv_union_wait)
107 # The presence of the following is not meant to imply
108 # that make necessarily works on those systems.
109 AC_CHECK_LIB(sun, getpwnam)
111 AC_SUBST(REMOTE) REMOTE=stub
114 [ --with-customs=DIR Enable remote jobs via Customs--see README.customs],
117 *) make_cppflags="$CPPFLAGS"
120 *) CPPFLAGS="$CPPFLAGS -I$with_customs/include/customs"
121 make_ldflags="$LDFLAGS -L$with_customs/lib" ;;
124 AC_CHECK_HEADER(customs.h,
126 LIBS="$LIBS -lcustoms" LDFLAGS="$make_ldflags",
128 CPPFLAGS="$make_cppflags" make_badcust=yes)
132 dnl See if we can handle the job server feature, and if the user wants it.
134 AC_ARG_ENABLE(job-server,
135 [ --disable-job-server Disallow recursive make communication during -jN],
136 [make_cv_job_server="$enableval" user_job_server="$enableval"],
137 [make_cv_job_server="yes"])
140 case "$ac_cv_func_waitpid/$ac_cv_func_wait3" in
141 no/no) has_wait_nohang=no ;;
144 case "$ac_cv_func_pipe/$ac_cv_func_sigaction/$has_wait_nohang/$make_cv_job_server" in
145 yes/yes/yes/yes) AC_DEFINE(MAKE_JOBSERVER) ;;
148 dnl Allow building with dmalloc
150 AC_ARG_ENABLE(dmalloc,
151 [ --enable-dmalloc Enable support for the dmalloc debugging library],
152 [make_cv_dmalloc="$enableval"],
153 [make_cv_dmalloc="no"])
155 case "$make_cv_dmalloc" in
156 yes) AC_CHECK_HEADERS(dmalloc.h)
157 AC_CHECK_LIB(dmalloc, dmalloc_shutdown)
158 CPPFLAGS="$CPPFLAGS -DDMALLOC_FUNC_CHECK" ;;
161 AC_CACHE_CHECK(for location of SCCS get command, make_cv_path_sccs_get, [
162 if test -f /usr/sccs/get; then
163 make_cv_path_sccs_get=/usr/sccs/get
165 make_cv_path_sccs_get=get
167 AC_DEFINE_UNQUOTED(SCCS_GET,["$make_cv_path_sccs_get"])
169 ac_clean_files="$ac_clean_files s.conftest conftoast" # Remove these later.
170 if ( /usr/sccs/admin -n s.conftest || admin -n s.conftest ) >/dev/null 2>&1 &&
171 test -f s.conftest; then
172 # We successfully created an SCCS file.
173 AC_CACHE_CHECK(if SCCS get command understands -G, make_cv_sys_get_minus_G, [
174 if $make_cv_path_sccs_get -Gconftoast s.conftest >/dev/null 2>&1 &&
175 test -f conftoast; then
176 make_cv_sys_get_minus_G=yes
178 make_cv_sys_get_minus_G=no
180 case "$make_cv_sys_get_minus_G" in
181 yes) AC_DEFINE(SCCS_GET_MINUS_G);;
184 rm -f s.conftest conftoast
186 AC_MSG_CHECKING(if system libc has GNU glob)
187 AC_CACHE_VAL(make_cv_sys_gnu_glob, [
189 #include <features.h>
193 #define GLOB_INTERFACE_VERSION 1
194 #if defined _LIBC || !defined __GNU_LIBRARY__ || __GNU_LIBRARY__ <= 1
197 # include <gnu-versions.h>
198 # if _GNU_GLOB_INTERFACE_VERSION != GLOB_INTERFACE_VERSION
202 ], make_cv_sys_gnu_glob=yes, make_cv_sys_gnu_glob=no)])
203 case "$make_cv_sys_gnu_glob" in
204 yes) AC_MSG_RESULT(yes) ;;
205 no) AC_MSG_RESULT([no; using local copy])
206 CPPFLAGS="$CPPFLAGS -I$srcdir/glob"
207 AC_SUBST(GLOBLIB) GLOBLIB=glob/libglob.a
212 MAINT_MAKEFILE=/dev/null
213 if test -r "$srcdir/maintMakefile"; then
214 MAINT_MAKEFILE="$srcdir/maintMakefile"
216 AC_SUBST_FILE(MAINT_MAKEFILE)
218 AC_OUTPUT(build.sh Makefile glob/Makefile)
220 dnl If we don't yet have build.sh.in, build.sh is a bogus 0-length file
223 test -f build.sh.in || rm -f build.sh
226 case "$make_badcust" in
228 echo "WARNING: --with-customs specified but no customs.h could be found;"
229 echo " disabling Customs support."
233 case "$with_customs" in
235 *) if test -f "$with_customs/lib/libcustoms.a"; then
239 echo "WARNING: \`$with_customs/lib' does not appear to contain the"
240 echo " Customs library. You must build and install Customs"
241 echo " before compiling GNU make."
246 case "$has_wait_nohang" in
248 echo "WARNING: Your system has neither waitpid() nor wait3()."
249 echo " Without one of these, signal handling is unreliable."
250 echo " You should be aware that running GNU make with -j"
251 echo " could result in erratic behavior."
255 case "$make_cv_job_server/$user_job_server" in
257 echo "WARNING: Make job server requires a POSIX-ish system that"
258 echo " supports the pipe(), sigaction(), and either"
259 echo " waitpid() or wait3() functions. Your system doesn't"
260 echo " appear to provide one or more of those."
261 echo " Disabling job server support."
266 dnl comment-start: "dnl "
268 dnl comment-start-skip: "\\bdnl\\b\\s *"
269 dnl compile-command: "make configure config.h.in"