From 5c69b3fe53c9f05e90cde77ea094af3ef89b45fc Mon Sep 17 00:00:00 2001 From: Paul Smith Date: Sat, 12 Jan 2013 22:38:17 -0500 Subject: Change configure.in to configure.ac, and other Git fixes. --- configure.ac | 531 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 531 insertions(+) create mode 100644 configure.ac (limited to 'configure.ac') diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..beaad13 --- /dev/null +++ b/configure.ac @@ -0,0 +1,531 @@ +# Process this file with autoconf to produce a configure script. +# +# Copyright (C) 1993-2012 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 3 of the License, 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 +# this program. If not, see . + +AC_INIT([GNU make],[3.82.90],[bug-make@gnu.org]) + +AC_PREREQ([2.59]) + +# 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 + +# Enable gettext, in "external" mode. + +AM_GNU_GETTEXT_VERSION([0.18.1]) +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 +AS_IF([test "$ac_cv_prog_cc_stdc" != no], +[ AC_DEFINE([HAVE_ANSI_COMPILER], [1], + [Define to 1 if your compiler conforms to the ANSI C standard.]) +]) + + +# Determine what kind of variadic function calls we support +AC_CHECK_HEADERS([stdarg.h varargs.h], [break]) + +AM_PROG_CC_C_O +AC_C_CONST +AC_TYPE_SIGNAL +AC_TYPE_UID_T +AC_TYPE_PID_T + +# Find some definition for uintmax_t + +AC_CHECK_TYPE([uintmax_t],[], +[ uintmax_t="unsigned long" + AC_CHECK_TYPE([unsigned long long],[uintmax_t="unsigned long long"]) + AC_DEFINE_UNQUOTED([uintmax_t], [$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_CACHE_CHECK([whether to use high resolution file timestamps], + [make_cv_file_timestamp_hi_res], +[ make_cv_file_timestamp_hi_res=no + AS_IF([test "$ac_cv_struct_st_mtim_nsec" != no], + [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +#if HAVE_INTTYPES_H +# include +#endif]], + [[char a[0x7fffffff < (uintmax_t)-1 >> 30 ? 1 : -1];]])], + [make_cv_file_timestamp_hi_res=yes]) + ])]) +AS_IF([test "$make_cv_file_timestamp_hi_res" = yes], [val=1], [val=0]) +AC_DEFINE_UNQUOTED([FILE_TIMESTAMP_HI_RES], [$val], + [Use high resolution file timestamps if nonzero.]) + +AS_IF([test "$make_cv_file_timestamp_hi_res" = yes], +[ # 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]) + AS_IF([test "$ac_cv_search_clock_gettime" != no], + [ AC_DEFINE([HAVE_CLOCK_GETTIME], [1], + [Define to 1 if you have the clock_gettime function.]) + ]) +]) + +# Check for DOS-style pathnames. +pds_AC_DOS_PATHS + +# See if we have a standard version of gettimeofday(). Since actual +# implementations can differ, just make sure we have the most common +# one. +AC_CACHE_CHECK([for standard gettimeofday], [ac_cv_func_gettimeofday], + [ac_cv_func_gettimeofday=no + AC_RUN_IFELSE([AC_LANG_SOURCE([[#include + int main () + { + struct timeval t; t.tv_sec = -1; t.tv_usec = -1; + exit (gettimeofday (&t, 0) != 0 + || t.tv_sec < 0 || t.tv_usec < 0); + }]])], + [ac_cv_func_gettimeofday=yes], + [ac_cv_func_gettimeofday=no], + [ac_cv_func_gettimeofday="no (cross-compiling)"])]) +AS_IF([test "$ac_cv_func_gettimeofday" = yes], +[ AC_DEFINE([HAVE_GETTIMEOFDAY], [1], + [Define to 1 if you have a standard gettimeofday function]) +]) + +AC_CHECK_FUNCS([strdup strndup mkstemp mktemp fdopen fileno \ + dup2 getcwd realpath sigsetmask sigaction \ + getgroups seteuid setegid setlinebuf setreuid setregid \ + getrlimit setrlimit setvbuf pipe strerror strsignal \ + lstat readlink atexit]) + +# We need to check declarations, not just existence, because on Tru64 this +# function is not declared without special flags, which themselves cause +# other problems. We'll just use our own. +AC_CHECK_DECLS([bsd_signal], [], [], [[#define _GNU_SOURCE 1 +#include ]]) + +AC_FUNC_SETVBUF_REVERSED + +# Rumor has it that strcasecmp lives in -lresolv on some odd systems. +# It doesn't hurt much to use our own if we can't find it so I don't +# make the effort here. +AC_CHECK_FUNCS([strcasecmp strncasecmp strcmpi strncmpi stricmp strnicmp]) + +# strcoll() is used by the GNU glob library +AC_FUNC_STRCOLL + +AC_FUNC_ALLOCA +AC_FUNC_FORK([]) +AC_FUNC_VPRINTF +AC_FUNC_CLOSEDIR_VOID + +# See if the user wants to add (or not) GNU Guile support +PKG_PROG_PKG_CONFIG +AC_ARG_WITH([guile], [AS_HELP_STRING([--with-guile], + [Support GNU Guile for embedded scripting])]) + +# For some strange reason, at least on Ubuntu, each version of Guile +# comes with it's own PC file so we have to specify them as individual +# packages. Ugh. +AS_IF([test "x$with_guile" != xno], +[ PKG_CHECK_MODULES([GUILE], [guile-2.0], [have_guile=yes], + [PKG_CHECK_MODULES([GUILE], [guile-1.8], [have_guile=yes], + [have_guile=no])]) +]) + +AS_IF([test "$have_guile" = yes], + [AC_DEFINE([HAVE_GUILE], [1], [Embed GNU Guile support])]) + +AM_CONDITIONAL([HAVE_GUILE], [test "$have_guile" = yes]) + +AC_FUNC_GETLOADAVG + +# AC_FUNC_GETLOADAVG is documented to set the NLIST_STRUCT value, but it +# doesn't. So, we will. + +AS_IF([test "$ac_cv_header_nlist_h" = yes], +[ 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]) + AS_IF([test "$make_cv_nlist_struct" = yes], + [ AC_DEFINE([NLIST_STRUCT], [1], + [Define to 1 if struct nlist.n_name is a pointer rather than an array.]) + ]) +]) + +AC_CHECK_DECLS([sys_siglist, _sys_siglist, __sys_siglist], , , + [AC_INCLUDES_DEFAULT +#include +/* NetBSD declares sys_siglist in unistd.h. */ +#if HAVE_UNISTD_H +# include +#endif +]) + + +# Check out the wait reality. +AC_CHECK_HEADERS([sys/wait.h],[],[],[[#include ]]) +AC_CHECK_FUNCS([waitpid wait3]) +AC_CACHE_CHECK([for union wait], [make_cv_union_wait], +[ AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include +#include ]], + [[union wait status; int pid; pid = wait (&status); +#ifdef WEXITSTATUS +/* Some POSIXoid systems have both the new-style macros and the old + union wait type, and they do not work together. If union wait + conflicts with WEXITSTATUS et al, we don't want to use it at all. */ + if (WEXITSTATUS (status) != 0) pid = -1; +#ifdef WTERMSIG + /* If we have WEXITSTATUS and WTERMSIG, just use them on ints. */ + -- blow chunks here -- +#endif +#endif +#ifdef HAVE_WAITPID + /* Make sure union wait works with waitpid. */ + pid = waitpid (-1, &status, 0); +#endif + ]])], + [make_cv_union_wait=yes], + [make_cv_union_wait=no]) +]) +AS_IF([test "$make_cv_union_wait" = yes], +[ AC_DEFINE([HAVE_UNION_WAIT], [1], + [Define to 1 if you have the 'union wait' type in .]) +]) + + +# If we're building on Windows/DOS/OS/2, add some support for DOS drive specs. +AS_IF([test "$PATH_SEPARATOR" = ';'], +[ AC_DEFINE([HAVE_DOS_PATHS], [1], + [Define to 1 if your system requires backslashes or drive specs in pathnames.]) +]) + +# See if the user wants to use pmake's "customs" distributed build capability +AC_SUBST([REMOTE]) REMOTE=stub +use_customs=false +AC_ARG_WITH([customs], +[ AC_HELP_STRING([--with-customs=DIR], + [enable remote jobs via Customs--see README.customs])], +[ AS_CASE([$withval], [n|no], [:], + [make_cppflags="$CPPFLAGS" + AS_CASE([$withval], + [y|ye|yes], [:], + [CPPFLAGS="$CPPFLAGS -I$with_customs/include/customs" + make_ldflags="$LDFLAGS -L$with_customs/lib"]) + CF_NETLIBS + AC_CHECK_HEADER([customs.h], + [use_customs=true + REMOTE=cstms + LIBS="$LIBS -lcustoms" LDFLAGS="$make_ldflags"], + [with_customs=no + CPPFLAGS="$make_cppflags" make_badcust=yes]) + ]) +]) + +# Tell automake about this, so it can include the right .c files. +AM_CONDITIONAL([USE_CUSTOMS], [test "$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], + [assume file systems are case insensitive]), + [AS_IF([test "$enableval" = yes], [AC_DEFINE([HAVE_CASE_INSENSITIVE_FS])])]) + +# See if we can handle the job server feature, and if the user wants it. +AC_ARG_ENABLE([job-server], + AC_HELP_STRING([--disable-job-server], + [disallow recursive make communication during -jN]), + [make_cv_job_server="$enableval" user_job_server="$enableval"], + [make_cv_job_server="yes"]) + +AS_IF([test "$ac_cv_func_waitpid" = no && test "$ac_cv_func_wait3" = no], + [has_wait_nohang=no], + [has_wait_nohang=yes]) + +AC_CACHE_CHECK([for SA_RESTART], [make_cv_sa_restart], [ + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], + [[return SA_RESTART;]])], + [make_cv_sa_restart=yes], + [make_cv_sa_restart=no])]) + +AS_IF([test "$make_cv_sa_restart" != no], +[ AC_DEFINE([HAVE_SA_RESTART], [1], + [Define to 1 if defines the SA_RESTART constant.]) +]) + +# Only allow jobserver on systems that support it +AS_CASE([/$ac_cv_func_pipe/$ac_cv_func_sigaction/$make_cv_sa_restart/$has_wait_nohang/], + [*/no/*], [make_cv_job_server=no]) + +# Also supported on OS2 and MinGW +AS_CASE([$host_os], [os2*|mingw*], [make_cv_job_server=yes]) + +# If we support it and the user didn't disable it, build with jobserver +AS_CASE([/$make_cv_job_server/$user_job_server/], + [*/no/*], [: no jobserver], + [AC_DEFINE(MAKE_JOBSERVER, 1, + [Define to 1 to enable job server support in GNU make.]) + ]) + +# If dl*() functions are supported we can enable the load operation +AC_CHECK_DECLS([dlopen, dlsym, dlerror], [], [], + [[#include ]]) + +AC_ARG_ENABLE([load], + AC_HELP_STRING([--disable-load], + [disable support for the 'load' operation]), + [make_cv_load="$enableval" user_load="$enableval"], + [make_cv_load="yes"]) + +AS_CASE([/$ac_cv_func_dlopen/$ac_cv_func_dlsym/$ac_cv_func_dlerror/], + [*/no/*], [make_cv_load=no]) + +AS_CASE([/$make_cv_load/$user_load/], + [*/no/*], [make_cv_load=no], + [AC_DEFINE(MAKE_LOAD, 1, + [Define to 1 to enable 'load' support in GNU make.]) + ]) + +# We might need -ldl +AS_IF([test "$make_cv_load" = yes], [ + AC_SEARCH_LIBS([dlopen], [dl], [], [make_cv_load=]) + ]) + +# If we want load support, we might need to link with export-dynamic. +# See if we can figure it out. Unfortunately this is very difficult. +# For example passing -rdynamic to the SunPRO linker gives a warning +# but succeeds and creates a shared object, not an executable! +AS_IF([test "$make_cv_load" = yes], [ + AC_MSG_CHECKING([If the linker accepts -Wl,--export-dynamic]) + old_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS -Wl,--export-dynamic" + AC_LINK_IFELSE([int main(){}], + [AC_MSG_RESULT([yes]) + AC_SUBST([AM_LDFLAGS], [-Wl,--export-dynamic])], + [AC_MSG_RESULT([no]) + AC_MSG_CHECKING([If the linker accepts -rdynamic]) + LDFLAGS="$old_LDFLAGS -rdynamic" + AC_LINK_IFELSE([int main(){}], + [AC_MSG_RESULT([yes]) + AC_SUBST([AM_LDFLAGS], [-rdynamic])], + [AC_MSG_RESULT([no])]) + ]) + LDFLAGS="$old_LDFLAGS" +]) + +# if we have both lstat() and readlink() then we can support symlink +# timechecks. +AS_IF([test "$ac_cv_func_lstat" = yes && test "$ac_cv_func_readlink" = yes], + [ AC_DEFINE([MAKE_SYMLINKS], [1], + [Define to 1 to enable symbolic link timestamp checking.]) +]) + +# 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], [ + AS_IF([test -f /usr/sccs/get], + [make_cv_path_sccs_get=/usr/sccs/get], + [make_cv_path_sccs_get=get]) +]) +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. +AS_IF([(/usr/sccs/admin -n s.conftest || admin -n s.conftest) >/dev/null 2>&1 && + test -f s.conftest], +[ # We successfully created an SCCS file. + AC_CACHE_CHECK([if SCCS get command understands -G], [make_cv_sys_get_minus_G], + [AS_IF([$make_cv_path_sccs_get -Gconftoast s.conftest >/dev/null 2>&1 && + test -f conftoast], + [make_cv_sys_get_minus_G=yes], + [make_cv_sys_get_minus_G=no]) + ]) + AS_IF([test "$make_cv_sys_get_minus_G" = yes], + [AC_DEFINE([SCCS_GET_MINUS_G], [1], + [Define to 1 if the SCCS 'get' command understands the '-G' option.]) + ]) +]) +rm -f s.conftest conftoast + +# Check the system to see if it provides GNU glob. If not, use our +# local version. +AC_CACHE_CHECK([if system libc has GNU glob], [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], + [make_cv_sys_gnu_glob=yes], + [make_cv_sys_gnu_glob=no])]) +AS_IF([test "$make_cv_sys_gnu_glob" = no], +[ GLOBINC='-I$(srcdir)/glob' + GLOBLIB=glob/libglob.a +]) +AC_SUBST([GLOBINC]) +AC_SUBST([GLOBLIB]) + +# 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="$host" +AC_SUBST([MAKE_HOST]) + +w32_target_env=no +AM_CONDITIONAL([WINDOWSENV], [false]) + +AS_CASE([$host], + [*-*-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]) + ]) + +AC_DEFINE_UNQUOTED([PATH_SEPARATOR_CHAR],['$PATH_SEPARATOR'], + [Define to the character that separates directories in PATH.]) + +# Include the Maintainer's Makefile section, if it's here. + +MAINT_MAKEFILE=/dev/null +AS_IF([test -r "$srcdir/maintMakefile"], +[ MAINT_MAKEFILE="$srcdir/maintMakefile" +]) +AC_SUBST_FILE([MAINT_MAKEFILE]) + +# Allow building with dmalloc +AM_WITH_DMALLOC + +# Forcibly disable SET_MAKE. If it's set it breaks things like the test +# scripts, etc. +SET_MAKE= + +# Sanity check and inform the user of what we found + +AS_IF([test "x$make_badcust" = xyes], [ +echo +echo "WARNING: --with-customs specified but no customs.h could be found;" +echo " disabling Customs support." +echo +]) + +AS_CASE([$with_customs], +[""|n|no|y|ye|yes], [:], +[AS_IF([test -f "$with_customs/lib/libcustoms.a"], [:], +[ echo + echo "WARNING: '$with_customs/lib' does not appear to contain the" + echo " Customs library. You must build and install Customs" + echo " before compiling GNU make." + echo +])]) + +AS_IF([test "x$has_wait_nohang" = xno], +[ 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 +]) + +AS_IF([test "x$make_cv_job_server" = xno && test "x$user_job_server" = xyes], +[ 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 +]) + +AS_IF([test "x$make_cv_load" = xno && test "x$user_load" = xyes], +[ echo + echo "WARNING: 'load' support requires a POSIX-ish system that" + echo " supports the dlopen(), dlsym(), and dlerror() functions." + echo " Your system doesn't appear to provide one or more of these." + echo " Disabling 'load' support." + echo +]) + +# 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. +AS_IF([test -f "$srcdir/build.sh.in"], +[ ./config.status --file build.sh + chmod +x build.sh +]) + +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: -- cgit v1.2.3