mirror of
https://github.com/mirror/make.git
synced 2025-01-06 02:10:35 +08:00
6374309c6d
enable the automake ansi2knr capability. Right now this doesn't quite build using a K&R compiler because of a problem with the loadavg test program, but the rest of the code works. I'm asking the automake list about this problem.
394 lines
12 KiB
Plaintext
394 lines
12 KiB
Plaintext
# Process this file with autoconf to produce a configure script.
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AC_INIT(GNU make,3.81a1,bug-make@gnu.org)
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AC_PREREQ(2.54)
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AC_REVISION([[$Id$]])
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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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# Needed for ansi2knr
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AM_C_PROTOTYPES
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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: '$with_customs/lib' does not appear to contain the"
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echo " Customs library. You must build and install Customs"
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echo " before compiling GNU make."
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echo
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fi ;;
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esac
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case "$has_wait_nohang" in
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no) echo
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echo "WARNING: Your system has neither waitpid() nor wait3()."
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echo " Without one of these, signal handling is unreliable."
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echo " You should be aware that running GNU make with -j"
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echo " could result in erratic behavior."
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echo ;;
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esac
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case "$make_cv_job_server/$user_job_server" in
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no/yes) echo
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echo "WARNING: Make job server requires a POSIX-ish system that"
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echo " supports the pipe(), sigaction(), and either"
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echo " waitpid() or wait3() functions. Your system doesn't"
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echo " appear to provide one or more of those."
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echo " Disabling job server support."
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echo ;;
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esac
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# Specify what files are to be created.
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# We only generate the build.sh if we have a build.sh.in; we won't have
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# one before we've created a distribution.
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AC_CONFIG_FILES(Makefile glob/Makefile po/Makefile.in config/Makefile doc/Makefile)
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if test -f $srcdir/build.sh.in; then
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AC_CONFIG_FILES(build.sh)
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fi
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# OK, do it!
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AC_OUTPUT
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dnl Local Variables:
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dnl comment-start: "dnl "
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dnl comment-end: ""
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dnl comment-start-skip: "\\bdnl\\b\\s *"
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dnl compile-command: "make configure config.h.in"
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dnl End:
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