391 lines
12 KiB
Plaintext
391 lines
12 KiB
Plaintext
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# Process this file with autoconf to produce a configure script.
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AC_INIT(GNU make,3.80,bug-make@gnu.org)
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AC_PREREQ(2.54)
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AC_REVISION([[$Id: configure.in,v 1.1.1.1 2006/03/29 21:09:20 jmc Exp $]])
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# Autoconf setup
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AC_CONFIG_AUX_DIR(config)
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AC_CONFIG_SRCDIR(vpath.c)
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AC_CONFIG_HEADERS(config.h)
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# Automake setup
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AM_INIT_AUTOMAKE
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AC_PROG_MAKE_SET
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# Checks for programs.
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AC_PROG_CC
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AC_PROG_INSTALL
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AC_PROG_RANLIB
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AC_PROG_CPP
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AC_CHECK_PROG(AR, ar, ar, ar)
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# Perl is needed for the test suite (only)
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AC_CHECK_PROG(PERL, perl, perl, perl)
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# Specialized system macros
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AC_CANONICAL_HOST
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AC_AIX
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AC_ISC_POSIX
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AC_MINIX
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# Enable gettext, in "external" mode.
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AM_GNU_GETTEXT_VERSION(0.11.5)
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AM_GNU_GETTEXT([external])
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# This test must come as early as possible after the compiler configuration
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# tests, because the choice of the file model can (in principle) affect
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# whether functions and headers are available, whether they work, etc.
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AC_SYS_LARGEFILE
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# Checks for libraries.
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AC_SEARCH_LIBS(getpwnam, [sun])
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# Checks for header files.
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AC_HEADER_STDC
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AC_HEADER_DIRENT
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AC_HEADER_STAT
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AC_HEADER_TIME
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AC_CHECK_HEADERS(stdlib.h locale.h unistd.h limits.h fcntl.h string.h \
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memory.h sys/param.h sys/time.h sys/timeb.h)
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AM_PROG_CC_C_O
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AM_PROG_CC_STDC
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AC_C_CONST
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AC_TYPE_SIGNAL
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AC_TYPE_UID_T
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AC_TYPE_PID_T
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# Find some definition for uintmax_t
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AC_CHECK_TYPE(uintmax_t,,[
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uintmax_t="unsigned long"
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AC_CHECK_TYPE(unsigned long long,[uintmax_t="unsigned long long"])
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AC_DEFINE_UNQUOTED(uintmax_t,$uintmax_t,[Define uintmax_t if not defined in <stdint.h> or <inttypes.h>.])])
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# Find out whether our struct stat returns nanosecond resolution timestamps.
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AC_STRUCT_ST_MTIM_NSEC
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AC_MSG_CHECKING([whether to use high resolution file timestamps])
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AC_CACHE_VAL(make_cv_file_timestamp_hi_res, [
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make_cv_file_timestamp_hi_res=no
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if test "$ac_cv_struct_st_mtim_nsec" != no; then
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AC_TRY_COMPILE([
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# if HAVE_INTTYPES_H
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# include <inttypes.h>
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# endif],
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[char a[0x7fffffff < (uintmax_t) -1 >> 30 ? 1 : -1];],
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make_cv_file_timestamp_hi_res=yes)
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fi])
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AC_MSG_RESULT($make_cv_file_timestamp_hi_res)
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if test "$make_cv_file_timestamp_hi_res" = yes; then
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val=1
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else
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val=0
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fi
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AC_DEFINE_UNQUOTED(FILE_TIMESTAMP_HI_RES, $val,
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[Use high resolution file timestamps if nonzero.])
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if test "$make_cv_file_timestamp_hi_res" = yes; then
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# Solaris 2.5.1 needs -lposix4 to get the clock_gettime function.
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# Solaris 7 prefers the library name -lrt to the obsolescent name -lposix4.
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AC_SEARCH_LIBS(clock_gettime, [rt posix4])
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if test "$ac_cv_search_clock_gettime" != no; then
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AC_DEFINE(HAVE_CLOCK_GETTIME, 1,
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[Define if you have the clock_gettime function.])
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fi
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fi
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# See if we have a standard version of gettimeofday(). Since actual
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# implementations can differ, just make sure we have the most common
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# one.
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AC_CACHE_CHECK([for standard gettimeofday], ac_cv_func_gettimeofday,
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[ac_cv_func_gettimeofday=no
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AC_TRY_RUN([#include <sys/time.h>
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int main ()
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{
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struct timeval t; t.tv_sec = -1; t.tv_usec = -1;
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exit (gettimeofday (&t, 0) != 0
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|| t.tv_sec < 0 || t.tv_usec < 0);
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}],
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ac_cv_func_gettimeofday=yes,
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ac_cv_func_gettimeofday=no,
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ac_cv_func_gettimeofday="no (cross-compiling)")])
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if test "$ac_cv_func_gettimeofday" = yes; then
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AC_DEFINE(HAVE_GETTIMEOFDAY, 1,
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[Define if you have a standard gettimeofday function])
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fi
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AC_CHECK_FUNCS( memcpy memmove strchr strdup mkstemp mktemp fdopen \
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bsd_signal dup2 getcwd sigsetmask sigaction getgroups \
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seteuid setegid setlinebuf setreuid setregid setvbuf pipe \
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strerror strsignal)
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make_FUNC_SETVBUF_REVERSED
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# strcoll() is used by the GNU glob library
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AC_FUNC_STRCOLL
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AC_FUNC_ALLOCA
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AC_FUNC_VFORK
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AC_FUNC_VPRINTF
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AC_FUNC_CLOSEDIR_VOID
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AC_FUNC_GETLOADAVG
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# AC_FUNC_GETLOADAVG is documented to set the NLIST_STRUCT value, but it
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# doesn't. So, we will.
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if test "$ac_cv_header_nlist_h" = yes; then
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AC_TRY_COMPILE([#include <nlist.h>],
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[struct nlist nl;
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nl.n_name = "string";
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return 0;],
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make_cv_nlist_struct=yes,
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make_cv_nlist_struct=no)
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if test "$make_cv_nlist_struct" = yes; then
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AC_DEFINE(NLIST_STRUCT, 1,
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[Define if struct nlist.n_name is a pointer rather than an array.])
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fi
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fi
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AC_DECL_SYS_SIGLIST
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# Check out the wait reality.
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AC_CHECK_HEADERS(sys/wait.h)
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AC_CHECK_FUNCS(waitpid wait3)
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AC_MSG_CHECKING(for union wait)
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AC_CACHE_VAL(make_cv_union_wait, [dnl
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AC_TRY_LINK([#include <sys/types.h>
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#include <sys/wait.h>],
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[union wait status; int pid; pid = wait (&status);
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#ifdef WEXITSTATUS
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/* Some POSIXoid systems have both the new-style macros and the old
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union wait type, and they do not work together. If union wait
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conflicts with WEXITSTATUS et al, we don't want to use it at all. */
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if (WEXITSTATUS (status) != 0) pid = -1;
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#ifdef WTERMSIG
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/* If we have WEXITSTATUS and WTERMSIG, just use them on ints. */
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-- blow chunks here --
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#endif
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#endif
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#ifdef HAVE_WAITPID
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/* Make sure union wait works with waitpid. */
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pid = waitpid (-1, &status, 0);
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#endif
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],
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[make_cv_union_wait=yes], [make_cv_union_wait=no])])
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if test "$make_cv_union_wait" = yes; then
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AC_DEFINE(HAVE_UNION_WAIT, 1, [Define this if you have the \`union wait' type in <sys/wait.h>.])
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fi
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AC_MSG_RESULT($make_cv_union_wait)
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# See if the user wants to use pmake's "customs" distributed build capability
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use_customs=false
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AC_ARG_WITH(customs,
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AC_HELP_STRING([--with-customs=DIR],
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[enable remote jobs via Customs--see README.customs]),
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[case $withval in
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n|no) : ;;
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*) make_cppflags="$CPPFLAGS"
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case $withval in
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y|ye|yes) : ;;
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*) CPPFLAGS="$CPPFLAGS -I$with_customs/include/customs"
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make_ldflags="$LDFLAGS -L$with_customs/lib" ;;
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esac
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CF_NETLIBS
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AC_CHECK_HEADER(customs.h,
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[use_customs=true
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LIBS="$LIBS -lcustoms" LDFLAGS="$make_ldflags"],
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[with_customs=no
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CPPFLAGS="$make_cppflags" make_badcust=yes])
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;;
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esac])
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# Tell automake about this, so it can include the right .c files.
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AM_CONDITIONAL(USE_CUSTOMS, test "$use_customs" = true)
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# See if we can handle the job server feature, and if the user wants it.
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AC_ARG_ENABLE(job-server,
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AC_HELP_STRING([--disable-job-server],
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[disallow recursive make communication during -jN]),
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[make_cv_job_server="$enableval" user_job_server="$enableval"],
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[make_cv_job_server="yes"])
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has_wait_nohang=yes
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case "$ac_cv_func_waitpid/$ac_cv_func_wait3" in
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no/no) has_wait_nohang=no ;;
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esac
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AC_CACHE_CHECK(for SA_RESTART, make_cv_sa_restart, [
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AC_TRY_COMPILE([#include <signal.h>],
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[return SA_RESTART;],
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make_cv_sa_restart=yes,
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make_cv_sa_restart=no)])
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if test "$make_cv_sa_restart" != no; then
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AC_DEFINE(HAVE_SA_RESTART, 1,
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[Define if <signal.h> defines the SA_RESTART constant.])
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fi
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case "$ac_cv_func_pipe/$ac_cv_func_sigaction/$make_cv_sa_restart/$has_wait_nohang/$make_cv_job_server" in
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yes/yes/yes/yes/yes)
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AC_DEFINE(MAKE_JOBSERVER, 1,
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[Define this to enable job server support in GNU make.]);;
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esac
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# Find the SCCS commands, so we can include them in our default rules.
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AC_CACHE_CHECK(for location of SCCS get command, make_cv_path_sccs_get, [
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if test -f /usr/sccs/get; then
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make_cv_path_sccs_get=/usr/sccs/get
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else
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make_cv_path_sccs_get=get
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fi])
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AC_DEFINE_UNQUOTED(SCCS_GET, ["$make_cv_path_sccs_get"], [Define to the name of the SCCS 'get' command.])
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ac_clean_files="$ac_clean_files s.conftest conftoast" # Remove these later.
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if ( /usr/sccs/admin -n s.conftest || admin -n s.conftest ) >/dev/null 2>&1 &&
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test -f s.conftest; then
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# We successfully created an SCCS file.
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AC_CACHE_CHECK(if SCCS get command understands -G, make_cv_sys_get_minus_G, [
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if $make_cv_path_sccs_get -Gconftoast s.conftest >/dev/null 2>&1 &&
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test -f conftoast; then
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make_cv_sys_get_minus_G=yes
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else
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make_cv_sys_get_minus_G=no
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fi])
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case "$make_cv_sys_get_minus_G" in
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yes) AC_DEFINE(SCCS_GET_MINUS_G, 1,
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[Define this if the SCCS 'get' command understands the '-G<file>' option.]);;
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esac
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fi
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rm -f s.conftest conftoast
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# Check the system to see if it provides GNU glob. If not, use our
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# local version.
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AC_MSG_CHECKING(if system libc has GNU glob)
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AC_CACHE_VAL(make_cv_sys_gnu_glob, [
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AC_EGREP_CPP(gnu glob,[
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#include <features.h>
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#include <glob.h>
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#include <fnmatch.h>
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#define GLOB_INTERFACE_VERSION 1
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#if !defined _LIBC && defined __GNU_LIBRARY__ && __GNU_LIBRARY__ > 1
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# include <gnu-versions.h>
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# if _GNU_GLOB_INTERFACE_VERSION == GLOB_INTERFACE_VERSION
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gnu glob
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# endif
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#endif
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], [AC_MSG_RESULT(yes)
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make_cv_sys_gnu_glob=yes], [AC_MSG_RESULT([no; using local copy])
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AC_SUBST(GLOBINC) GLOBINC='-I$(srcdir)/glob'
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AC_SUBST(GLOBLIB) GLOBLIB=glob/libglob.a
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make_cv_sys_gnu_glob=no])])
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# Tell automake about this, so it can build the right .c files.
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AM_CONDITIONAL(USE_LOCAL_GLOB, test "$make_cv_sys_gnu_glob" = no)
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# PTX systems have a broken implementation of SA_RESTART. I know of
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# no way to test for this behavior, so I'll just test for PTX
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case "$host" in
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i386-sequent-sysv4)
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AC_DEFINE(HAVE_BROKEN_RESTART, 1, [This system has SA_RESTART, but it doesn't work properly.])
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echo ""
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echo "WARNING: The SA_RESTART sigaction() flag does not work on PTX."
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echo " This causes 'make -j' to fail at random times."
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echo " I am installing a workaround, which is mostly but not 100%"
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echo " effective. If you see random failures during 'make -j'"
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echo " you should either contact the bug list, or not use -j."
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echo "" ;;
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esac
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# Let the makefile know what our build host is
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AC_DEFINE_UNQUOTED(MAKE_HOST,"$host",[Build host information.])
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MAKE_HOST="$host"
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AC_SUBST(MAKE_HOST)
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# Include the Maintainer's Makefile section, if it's here.
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MAINT_MAKEFILE=/dev/null
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if test -r "$srcdir/maintMakefile"; then
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MAINT_MAKEFILE="$srcdir/maintMakefile"
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fi
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AC_SUBST_FILE(MAINT_MAKEFILE)
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# Allow building with dmalloc
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AM_WITH_DMALLOC
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# Sanity check and inform the user of what we found
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case "$make_badcust" in
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yes) echo
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echo "WARNING: --with-customs specified but no customs.h could be found;"
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echo " disabling Customs support."
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echo ;;
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esac
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case "$with_customs" in
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""|n|no|y|ye|yes) ;;
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*) if test -f "$with_customs/lib/libcustoms.a"; then
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:
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else
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echo
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echo "WARNING: '$with_customs/lib' does not appear to contain the"
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|
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echo " Customs library. You must build and install Customs"
|
||
|
|
echo " before compiling GNU make."
|
||
|
|
echo
|
||
|
|
fi ;;
|
||
|
|
esac
|
||
|
|
|
||
|
|
case "$has_wait_nohang" in
|
||
|
|
no) echo
|
||
|
|
echo "WARNING: Your system has neither waitpid() nor wait3()."
|
||
|
|
echo " Without one of these, signal handling is unreliable."
|
||
|
|
echo " You should be aware that running GNU make with -j"
|
||
|
|
echo " could result in erratic behavior."
|
||
|
|
echo ;;
|
||
|
|
esac
|
||
|
|
|
||
|
|
case "$make_cv_job_server/$user_job_server" in
|
||
|
|
no/yes) echo
|
||
|
|
echo "WARNING: Make job server requires a POSIX-ish system that"
|
||
|
|
echo " supports the pipe(), sigaction(), and either"
|
||
|
|
echo " waitpid() or wait3() functions. Your system doesn't"
|
||
|
|
echo " appear to provide one or more of those."
|
||
|
|
echo " Disabling job server support."
|
||
|
|
echo ;;
|
||
|
|
esac
|
||
|
|
|
||
|
|
|
||
|
|
# Specify what files are to be created.
|
||
|
|
# We only generate the build.sh if we have a build.sh.in; we won't have
|
||
|
|
# one before we've created a distribution.
|
||
|
|
|
||
|
|
AC_CONFIG_FILES(Makefile glob/Makefile po/Makefile.in config/Makefile doc/Makefile)
|
||
|
|
|
||
|
|
if test -f $srcdir/build.sh.in; then
|
||
|
|
AC_CONFIG_FILES(build.sh)
|
||
|
|
fi
|
||
|
|
|
||
|
|
|
||
|
|
# OK, do it!
|
||
|
|
|
||
|
|
AC_OUTPUT
|
||
|
|
|
||
|
|
|
||
|
|
dnl Local Variables:
|
||
|
|
dnl comment-start: "dnl "
|
||
|
|
dnl comment-end: ""
|
||
|
|
dnl comment-start-skip: "\\bdnl\\b\\s *"
|
||
|
|
dnl compile-command: "make configure config.h.in"
|
||
|
|
dnl End:
|