# Process this file with autoconf to produce a configure script. # # Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, # 2003, 2004, 2005, 2006 Free Software Foundation, Inc. # This file is part of GNU Make. # # GNU Make is free software; you can redistribute it and/or modify it under the # terms of the GNU General Public License as published by the Free Software # Foundation; either version 2, or (at your option) any later version. # # GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR # A PARTICULAR PURPOSE. See the GNU General Public License for more details. # # You should have received a copy of the GNU General Public License along with # GNU Make; see the file COPYING. If not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. AC_INIT([GNU make],[3.81],[bug-make@gnu.org]) AC_PREREQ(2.59) AC_REVISION([[$Id: configure.in,v 1.1.1.1 2014/08/18 06:46:47 christos Exp $]]) # Autoconf setup AC_CONFIG_AUX_DIR(config) AC_CONFIG_SRCDIR(vpath.c) AC_CONFIG_HEADERS(config.h) # Automake setup AM_INIT_AUTOMAKE([1.9]) # Checks for programs. AC_PROG_CC AC_PROG_INSTALL AC_PROG_RANLIB AC_PROG_CPP AC_CHECK_PROG(AR, ar, ar, ar) # Perl is needed for the test suite (only) AC_CHECK_PROG(PERL, perl, perl, perl) # Specialized system macros AC_CANONICAL_HOST AC_AIX AC_ISC_POSIX AC_MINIX # Needed for ansi2knr AM_C_PROTOTYPES # Enable gettext, in "external" mode. AM_GNU_GETTEXT_VERSION(0.14.1) AM_GNU_GETTEXT([external]) # This test must come as early as possible after the compiler configuration # tests, because the choice of the file model can (in principle) affect # whether functions and headers are available, whether they work, etc. AC_SYS_LARGEFILE # Checks for libraries. AC_SEARCH_LIBS(getpwnam, [sun]) # Checks for header files. AC_HEADER_STDC AC_HEADER_DIRENT AC_HEADER_STAT AC_HEADER_TIME AC_CHECK_HEADERS(stdlib.h locale.h unistd.h limits.h fcntl.h string.h \ memory.h sys/param.h sys/resource.h sys/time.h sys/timeb.h) # Set a flag if we have an ANSI C compiler if test "$ac_cv_prog_cc_stdc" != no; then AC_DEFINE(HAVE_ANSI_COMPILER, 1, [Define if your compiler conforms to the ANSI C standard.]) fi # Determine what kind of variadic function calls we support AC_CHECK_HEADERS(stdarg.h varargs.h, break) AM_PROG_CC_C_O AC_C_CONST AC_TYPE_SIGNAL AC_TYPE_UID_T AC_TYPE_PID_T # Find some definition for uintmax_t AC_CHECK_TYPE(uintmax_t,,[ uintmax_t="unsigned long" AC_CHECK_TYPE(unsigned long long,[uintmax_t="unsigned long long"]) AC_DEFINE_UNQUOTED(uintmax_t,$uintmax_t, [Define uintmax_t if not defined in or .])]) # Find out whether our struct stat returns nanosecond resolution timestamps. AC_STRUCT_ST_MTIM_NSEC AC_MSG_CHECKING([whether to use high resolution file timestamps]) AC_CACHE_VAL(make_cv_file_timestamp_hi_res, [ make_cv_file_timestamp_hi_res=no if test "$ac_cv_struct_st_mtim_nsec" != no; then AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ # if HAVE_INTTYPES_H # include # endif]], [[char a[0x7fffffff < (uintmax_t)-1 >> 30 ? 1 : -1];]])], [make_cv_file_timestamp_hi_res=yes], []) fi]) AC_MSG_RESULT($make_cv_file_timestamp_hi_res) if test "$make_cv_file_timestamp_hi_res" = yes; then val=1 else val=0 fi AC_DEFINE_UNQUOTED(FILE_TIMESTAMP_HI_RES, $val, [Use high resolution file timestamps if nonzero.]) if test "$make_cv_file_timestamp_hi_res" = yes; then # Solaris 2.5.1 needs -lposix4 to get the clock_gettime function. # Solaris 7 prefers the library name -lrt to the obsolescent name -lposix4. AC_SEARCH_LIBS(clock_gettime, [rt posix4]) if test "$ac_cv_search_clock_gettime" != no; then AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [Define if you have the clock_gettime function.]) fi fi # Check for DOS-style pathnames. pds_AC_DOS_PATHS # See if we have a standard version of gettimeofday(). Since actual # implementations can differ, just make sure we have the most common # one. AC_CACHE_CHECK([for standard gettimeofday], ac_cv_func_gettimeofday, [ac_cv_func_gettimeofday=no AC_RUN_IFELSE([AC_LANG_SOURCE([[#include int main () { struct timeval t; t.tv_sec = -1; t.tv_usec = -1; exit (gettimeofday (&t, 0) != 0 || t.tv_sec < 0 || t.tv_usec < 0); }]])], [ac_cv_func_gettimeofday=yes], [ac_cv_func_gettimeofday=no], [ac_cv_func_gettimeofday="no (cross-compiling)"])]) if test "$ac_cv_func_gettimeofday" = yes; then AC_DEFINE(HAVE_GETTIMEOFDAY, 1, [Define if you have a standard gettimeofday function]) fi AC_CHECK_FUNCS( memcpy memmove strchr strdup mkstemp mktemp fdopen \ bsd_signal dup2 getcwd realpath sigsetmask sigaction \ getgroups seteuid setegid setlinebuf setreuid setregid \ getrlimit setrlimit setvbuf pipe strerror strsignal \ lstat readlink atexit) AC_FUNC_SETVBUF_REVERSED # strcoll() is used by the GNU glob library AC_FUNC_STRCOLL AC_FUNC_ALLOCA AC_FUNC_FORK([]) AC_FUNC_VPRINTF AC_FUNC_CLOSEDIR_VOID AC_FUNC_GETLOADAVG # AC_FUNC_GETLOADAVG is documented to set the NLIST_STRUCT value, but it # doesn't. So, we will. if test "$ac_cv_header_nlist_h" = yes; then AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[struct nlist nl; nl.n_name = "string"; return 0;]])], [make_cv_nlist_struct=yes], [make_cv_nlist_struct=no]) if test "$make_cv_nlist_struct" = yes; then AC_DEFINE(NLIST_STRUCT, 1, [Define if struct nlist.n_name is a pointer rather than an array.]) fi fi AC_CHECK_DECLS([sys_siglist, _sys_siglist, __sys_siglist], , , [AC_INCLUDES_DEFAULT #include /* NetBSD declares sys_siglist in unistd.h. */ #if HAVE_UNISTD_H # include #endif ]) # Check out the wait reality. AC_CHECK_HEADERS(sys/wait.h) AC_CHECK_FUNCS(waitpid wait3) AC_MSG_CHECKING(for union wait) AC_CACHE_VAL(make_cv_union_wait, [dnl AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include #include ]], [[union wait status; int pid; pid = wait (&status); #ifdef WEXITSTATUS /* Some POSIXoid systems have both the new-style macros and the old union wait type, and they do not work together. If union wait conflicts with WEXITSTATUS et al, we don't want to use it at all. */ if (WEXITSTATUS (status) != 0) pid = -1; #ifdef WTERMSIG /* If we have WEXITSTATUS and WTERMSIG, just use them on ints. */ -- blow chunks here -- #endif #endif #ifdef HAVE_WAITPID /* Make sure union wait works with waitpid. */ pid = waitpid (-1, &status, 0); #endif ]])], [make_cv_union_wait=yes], [make_cv_union_wait=no])]) if test "$make_cv_union_wait" = yes; then AC_DEFINE(HAVE_UNION_WAIT, 1, [Define this if you have the \`union wait' type in .]) fi AC_MSG_RESULT($make_cv_union_wait) # If we're building on Windows/DOS/OS/2, add some support for DOS drive specs. if test "$PATH_SEPARATOR" = ';'; then AC_DEFINE(HAVE_DOS_PATHS, 1, [Define this if your system requires backslashes or drive specs in pathnames.]) fi # See if the user wants to use pmake's "customs" distributed build capability AC_SUBST(REMOTE) REMOTE=stub use_customs=false AC_ARG_WITH(customs, AC_HELP_STRING([--with-customs=DIR], [enable remote jobs via Customs--see README.customs]), [case $withval in n|no) : ;; *) make_cppflags="$CPPFLAGS" case $withval in y|ye|yes) : ;; *) CPPFLAGS="$CPPFLAGS -I$with_customs/include/customs" make_ldflags="$LDFLAGS -L$with_customs/lib" ;; esac CF_NETLIBS AC_CHECK_HEADER(customs.h, [use_customs=true REMOTE=cstms LIBS="$LIBS -lcustoms" LDFLAGS="$make_ldflags"], [with_customs=no CPPFLAGS="$make_cppflags" make_badcust=yes]) ;; esac]) # Tell automake about this, so it can include the right .c files. AM_CONDITIONAL(USE_CUSTOMS, test "$use_customs" = true) # See if the user asked to handle case insensitive file systems. AH_TEMPLATE(HAVE_CASE_INSENSITIVE_FS, [Use case insensitive file names]) AC_ARG_ENABLE(case-insensitive-file-system, AC_HELP_STRING([--enable-case-insensitive-file-system], [enable case insensitive file system support]), case_insensitive_fs="yes" AC_DEFINE(HAVE_CASE_INSENSITIVE_FS), case_insensitive_fs="no") # See if we can handle the job server feature, and if the user wants it. AC_ARG_ENABLE(job-server, AC_HELP_STRING([--disable-job-server], [disallow recursive make communication during -jN]), [make_cv_job_server="$enableval" user_job_server="$enableval"], [make_cv_job_server="yes"]) has_wait_nohang=yes case "$ac_cv_func_waitpid/$ac_cv_func_wait3" in no/no) has_wait_nohang=no ;; esac AC_CACHE_CHECK(for SA_RESTART, make_cv_sa_restart, [ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[return SA_RESTART;]])], [make_cv_sa_restart=yes], [make_cv_sa_restart=no])]) if test "$make_cv_sa_restart" != no; then AC_DEFINE(HAVE_SA_RESTART, 1, [Define if defines the SA_RESTART constant.]) fi # enable make_cv_sa_restart for OS/2 so that the jobserver will be enabled, # but do it after HAVE_SA_RESTART has been defined. case "$host_os" in os2*) make_cv_sa_restart=yes ;; esac case "$ac_cv_func_pipe/$ac_cv_func_sigaction/$make_cv_sa_restart/$has_wait_nohang/$make_cv_job_server" in yes/yes/yes/yes/yes) AC_DEFINE(MAKE_JOBSERVER, 1, [Define this to enable job server support in GNU make.]);; esac # if we have both lstat() and readlink() then we can support symlink # timechecks. case "$ac_cv_func_lstat/$ac_cv_func_readlink" in yes/yes) AC_DEFINE(MAKE_SYMLINKS, 1, [Define this to enable symbolic link timestamp checking.]);; esac # Find the SCCS commands, so we can include them in our default rules. AC_CACHE_CHECK(for location of SCCS get command, make_cv_path_sccs_get, [ if test -f /usr/sccs/get; then make_cv_path_sccs_get=/usr/sccs/get else make_cv_path_sccs_get=get fi]) AC_DEFINE_UNQUOTED(SCCS_GET, ["$make_cv_path_sccs_get"], [Define to the name of the SCCS 'get' command.]) ac_clean_files="$ac_clean_files s.conftest conftoast" # Remove these later. if ( /usr/sccs/admin -n s.conftest || admin -n s.conftest ) >/dev/null 2>&1 && test -f s.conftest; then # We successfully created an SCCS file. AC_CACHE_CHECK(if SCCS get command understands -G, make_cv_sys_get_minus_G, [ if $make_cv_path_sccs_get -Gconftoast s.conftest >/dev/null 2>&1 && test -f conftoast; then make_cv_sys_get_minus_G=yes else make_cv_sys_get_minus_G=no fi]) case "$make_cv_sys_get_minus_G" in yes) AC_DEFINE(SCCS_GET_MINUS_G, 1, [Define this if the SCCS 'get' command understands the '-G' option.]);; esac fi rm -f s.conftest conftoast # Check the system to see if it provides GNU glob. If not, use our # local version. AC_MSG_CHECKING(if system libc has GNU glob) AC_CACHE_VAL(make_cv_sys_gnu_glob, [ AC_EGREP_CPP(gnu glob,[ #include #include #include #define GLOB_INTERFACE_VERSION 1 #if !defined _LIBC && defined __GNU_LIBRARY__ && __GNU_LIBRARY__ > 1 # include # if _GNU_GLOB_INTERFACE_VERSION == GLOB_INTERFACE_VERSION gnu glob # endif #endif ], [AC_MSG_RESULT(yes) make_cv_sys_gnu_glob=yes], [AC_MSG_RESULT([no; using local copy]) AC_SUBST(GLOBINC) GLOBINC='-I$(srcdir)/glob' AC_SUBST(GLOBLIB) GLOBLIB=glob/libglob.a make_cv_sys_gnu_glob=no])]) # Tell automake about this, so it can build the right .c files. AM_CONDITIONAL(USE_LOCAL_GLOB, test "$make_cv_sys_gnu_glob" = no) # Let the makefile know what our build host is AC_DEFINE_UNQUOTED(MAKE_HOST,"$host",[Build host information.]) MAKE_HOST="$host" AC_SUBST(MAKE_HOST) w32_target_env=no AM_CONDITIONAL([WINDOWSENV], false) case "$host" in *-*-mingw32) AM_CONDITIONAL(WINDOWSENV, true) w32_target_env=yes AC_DEFINE([WINDOWS32], [1], [Use platform specific coding]) AC_DEFINE([HAVE_DOS_PATHS], [1], [Use platform specific coding]) ;; esac # Include the Maintainer's Makefile section, if it's here. MAINT_MAKEFILE=/dev/null if test -r "$srcdir/maintMakefile"; then MAINT_MAKEFILE="$srcdir/maintMakefile" fi AC_SUBST_FILE(MAINT_MAKEFILE) # Allow building with dmalloc AM_WITH_DMALLOC # Forcibly disable SET_MAKE. If it's set it breaks things like the test # scripts, etc. SET_MAKE= # Sanity check and inform the user of what we found case "$make_badcust" in yes) echo echo "WARNING: --with-customs specified but no customs.h could be found;" echo " disabling Customs support." echo ;; esac case "$with_customs" in ""|n|no|y|ye|yes) ;; *) if test -f "$with_customs/lib/libcustoms.a"; then : else echo echo "WARNING: '$with_customs/lib' does not appear to contain the" echo " Customs library. You must build and install Customs" echo " before compiling GNU make." echo fi ;; esac case "$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. AC_CONFIG_FILES(Makefile glob/Makefile po/Makefile.in config/Makefile doc/Makefile w32/Makefile) # OK, do it! AC_OUTPUT # We only generate the build.sh if we have a build.sh.in; we won't have # one before we've created a distribution. if test -f "$srcdir/build.sh.in"; then ./config.status --file build.sh chmod +x build.sh fi 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: