Diff for /gforth/configure.in between versions 1.110 and 1.142

version 1.110, 2003/01/30 16:14:30 version 1.142, 2004/09/05 07:46:08
Line 1 Line 1
 dnl Process this file with autoconf to produce a configure script.  dnl Process this file with autoconf to produce a configure script.
   
 #Copyright (C) 1995,1996,1997,1998,2000 Free Software Foundation, Inc.  #Copyright (C) 1995,1996,1997,1998,2000,2003 Free Software Foundation, Inc.
   
 #This file is part of Gforth.  #This file is part of Gforth.
   
Line 18  dnl Process this file with autoconf to p Line 18  dnl Process this file with autoconf to p
 #along with this program; if not, write to the Free Software  #along with this program; if not, write to the Free Software
 #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.  #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
   
   
 dnl We use some automake macros here,  dnl We use some automake macros here,
 dnl but don't use automake for creating Makefile.in  dnl but don't use automake for creating Makefile.in
 AC_INIT([gforth],[0.5.9-20030127],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth])  AC_INIT([gforth],[0.6.2-20030910],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth])
   AC_PREREQ(2.54)
 #snapshots have numbers major.minor.release-YYYYMMDD  #snapshots have numbers major.minor.release-YYYYMMDD
 #note that lexicographic ordering must be heeded.  #note that lexicographic ordering must be heeded.
 #I.e., 0.4.1-YYYYMMDD must not exist before 0.4.1!  #I.e., 0.4.1-YYYYMMDD must not exist before 0.4.1!
 UPDATED="27 January 2003"  UPDATED="September 10, 2003"
 AC_SUBST(UPDATED)  AC_SUBST(UPDATED)
 AC_CONFIG_HEADERS(engine/config.h)  AC_CONFIG_HEADERS(engine/config.h)
   
 #default setting that may be changed later:  #suppress the "-g -O2" default
 no_dynamic_default=0  test "$CFLAGS" || CFLAGS=-O2
   
 AC_ARG_ENABLE(force-reg,  AC_ARG_ENABLE(force-reg,
 [  --enable-force-reg     Use explicit register declarations if they appear in  [  --enable-force-reg     Use explicit register declarations if they appear in
Line 37  AC_ARG_ENABLE(force-reg, Line 39  AC_ARG_ENABLE(force-reg,
                           but also incorrect code with some gcc versions on                            but also incorrect code with some gcc versions on
                           some processors (default disabled).],                            some processors (default disabled).],
 AC_DEFINE(FORCE_REG,,[Define if you want to use explicit register declarations for better performance or for more convenient CODE words (does not work with all GCC versions on all machines)]))  AC_DEFINE(FORCE_REG,,[Define if you want to use explicit register declarations for better performance or for more convenient CODE words (does not work with all GCC versions on all machines)]))
   AC_SUBST(PROFEXES)
   AC_SUBST(PROFOBJS)
   AC_ARG_ENABLE(prof,
   [  --enable-prof          Build gforth-prof, which outputs frequently occuring
                             sequences of primitives.],
   PROFEXES="gforth-prof\$(EXE)"; PROFOBJS="engine-prof.o main-prof.o profile.o")
   
 AC_ARG_WITH(debug,  AC_ARG_WITH(debug,
 [  --with-debug     specifies option -g to compile with debug info (default)  [  --with-debug           specifies option -g to compile with debug info
   --without-debug  omits the -g switch and creates smaller images on    --without-debug         omits the -g switch and creates smaller images on
                    machines where "strip" has problems with gcc style                            machines where "strip" has problems with gcc style
                    debugging informations.],                            debugging informations.],
 if test "$withval" = "yes"; then DEBUGFLAG=-g; fi)  if test "$withval" = "yes"; then DEBUGFLAG=-g; fi)
   
 dnl PEEPHOLE="yes"  dnl PEEPHOLE="yes"
Line 53  dnl    but slower images.], Line 61  dnl    but slower images.],
 dnl PEEPHOLE="$withval")  dnl PEEPHOLE="$withval")
   
 #variables mentioned in INSTALL  #variables mentioned in INSTALL
 AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x).])  AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x); gcc-2.95 recommended.])
 AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).])  AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).])
 AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)])  AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)])
 AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)])  AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)])
Line 63  AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(lo Line 71  AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(lo
 AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)])  AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)])
 AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)])  AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)])
 AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)])  AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)])
 AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no)?])  AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?])
   AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default])
   AC_ARG_VAR(skip_code, [assembly code for skipping 16 bytes of code])
   
 #set up feature test macros, so the tests get them right:  #set up feature test macros, so the tests get them right:
 # turn on all POSIX, SUSv3, and GNU features if available  # turn on all POSIX, SUSv3, and GNU features if available
Line 84  dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BIT Line 94  dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BIT
 #currently we force direct threading this way.  Eventually we should  #currently we force direct threading this way.  Eventually we should
 #setup in the arch and engine files right  #setup in the arch and engine files right
   
 CFLAGS=$CFLAGS  
   
 AC_PROG_CC  AC_PROG_CC
   
 test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher)  test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher)
Line 93  test "$GCC" = "yes" || AC_MSG_ERROR(Gfor Line 101  test "$GCC" = "yes" || AC_MSG_ERROR(Gfor
 AC_SUBST(CC)  AC_SUBST(CC)
 AC_SUBST(DEBUGFLAG)  AC_SUBST(DEBUGFLAG)
   
 dnl gcc-3.2 seems to work fine now  AC_MSG_CHECKING(make type)
 dnl AC_MSG_CHECKING(gcc version)  make_type=`make -v 2>&1|grep 'ake version'|sed 's/ version .*//'`
 dnl gcc_version=`$CC -v 2>&1|grep 'gcc version'|sed 's/.*gcc version //'`  
 dnl AC_MSG_RESULT($gcc_version)  GNUMAKE='#'
 dnl if expr "$gcc_version" \> 3.0.4 >/dev/null && expr "$gcc_version" \< 3.2.1 >/dev/null  test "$make_type" = "GNU Make" && GNUMAKE=''
 dnl then  
 dnl    no_dynamic_default=1  AC_MSG_RESULT($make_type)
 dnl    AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2))  
 dnl fi  AC_SUBST(GNUMAKE)
   
 AC_MSG_CHECKING([whether the linker accepts -export-dynamic])  AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
 OLDLDFLAGS=$LDFLAGS  OLDLDFLAGS=$LDFLAGS
Line 116  AC_MSG_RESULT($ac_export_dynamic) Line 124  AC_MSG_RESULT($ac_export_dynamic)
 #gforth will run; the system on which configure will run is the `build'  #gforth will run; the system on which configure will run is the `build'
 AC_CANONICAL_HOST  AC_CANONICAL_HOST
 case "$host_cpu" in  case "$host_cpu" in
           arm*)
                   machine=arm
                   CFLAGS="$CFLAGS -fomit-frame-pointer"
                   if test -z $no_dynamic_default; then
                       no_dynamic_default=1
                       AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
                   fi
                   ;;
         hppa*)          hppa*)
                 machine=hppa                  machine=hppa
                 $srcdir/mkinstalldirs arch/hppa                  $srcdir/mkinstalldirs arch/hppa
                 AC_LIBOBJ(../arch/hppa/cache)                  AC_LIBOBJ(../arch/hppa/cache)
                 #LDFLAGS="$LDFLAGS -Xlinker -N"                  #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
                   LDFLAGS="$LDFLAGS -Xlinker -N"
                 LIBS="$LIBS -L/lib/pa1.1/"                  LIBS="$LIBS -L/lib/pa1.1/"
                 ;;                  ;;
         sparc*)          sparc*)
Line 141  case "$host_cpu" in Line 158  case "$host_cpu" in
                 CFLAGS="$CFLAGS -march=pentium"                  CFLAGS="$CFLAGS -march=pentium"
                 AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")                  AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
                 ;;                  ;;
 #generic should work for IA64          x86_64)
 #       ia64*)                  machine=amd64
 #               machine=ia64                  ;;
 #               ;;          ia64*)
                   machine=ia64
                   AC_LIBOBJ(../arch/ia64/flush_icache_block)
                   test "$skipcode" || skipcode="nop.i 0"
                   #".skip 16" passes the test below,
                   # but gives an assembler error in engine
                   ;;
         m68k)          m68k)
                 machine=m68k                  machine=m68k
                 CFLAGS="$CFLAGS -fomit-frame-pointer"                  CFLAGS="$CFLAGS -fomit-frame-pointer"
Line 168  case "$host_cpu" in Line 191  case "$host_cpu" in
                 #particular, the delay slots of LW, MFLO, etc.)                  #particular, the delay slots of LW, MFLO, etc.)
                 #                  #
                 #Therefore we disable dynamic native code by default:                  #Therefore we disable dynamic native code by default:
                 no_dynamic_default=1                  if test -z $no_dynamic_default; then
                 AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2))                      no_dynamic_default=1
                       AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
                   fi
                 ;;                  ;;
         alpha*)          alpha*)
                 machine=alpha                  machine=alpha
Line 179  case "$host_cpu" in Line 204  case "$host_cpu" in
         power*|rs6000)          power*|rs6000)
                 machine=power                  machine=power
                 $srcdir/mkinstalldirs arch/power                  $srcdir/mkinstalldirs arch/power
                 AC_CHECK_FUNC(_sync_cache_range,true,AC_LIBOBJ(../arch/power/_sync_cache_range))                  AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
                 #long long is broken on (at least) gcc-2.95.* for PPC                  #long long is broken on (at least) gcc-2.95.* for PPC
                 test x$ac_cv_sizeof_long_long = x && ac_cv_sizeof_long_long=0                  test x$ac_cv_sizeof_long_long = x && ac_cv_sizeof_long_long=0
                 ;;                  ;;
Line 189  case "$host_cpu" in Line 214  case "$host_cpu" in
                 AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])                  AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
                 machine=generic                  machine=generic
                 #I-cache flushing would be needed for dynamic code generation                  #I-cache flushing would be needed for dynamic code generation
                 no_dynamic_default=1                  if test -z $no_dynamic_default; then
                 AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2))                      no_dynamic_default=1
                       AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
                   fi
 esac  esac
 AC_SUBST(host)  AC_SUBST(host)
   
Line 294  CFLAGS="$CFLAGS_1" Line 321  CFLAGS="$CFLAGS_1"
 AC_MSG_RESULT($ac_nogcse)  AC_MSG_RESULT($ac_nogcse)
   
 # Try if GCC understands -fno-strict-aliasing  # Try if GCC understands -fno-strict-aliasing
   
 AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])  AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
 CFLAGS_1="$CFLAGS"  CFLAGS_1="$CFLAGS"
 CFLAGS="$CFLAGS -fno-strict-aliasing"  CFLAGS="$CFLAGS -fno-strict-aliasing"
Line 302  AC_TRY_COMPILE(,,ac_nostrictaliasing=yes Line 328  AC_TRY_COMPILE(,,ac_nostrictaliasing=yes
 CFLAGS="$CFLAGS_1"  CFLAGS="$CFLAGS_1"
 AC_MSG_RESULT($ac_nostrictaliasing)  AC_MSG_RESULT($ac_nostrictaliasing)
   
 # Try if GCC understands -fno-cross-jump  # Try if GCC understands -fno-crossjumping
   AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
   CFLAGS_1="$CFLAGS"
   CFLAGS="$CFLAGS -fno-crossjumping"
   AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
   CFLAGS="$CFLAGS_1"
   AC_MSG_RESULT($ac_nocrossjumping)
   
 AC_MSG_CHECKING([if $CC understands -fno-cross-jump])  # Try if GCC understands -fno-reorder-blocks
   AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
 CFLAGS_1="$CFLAGS"  CFLAGS_1="$CFLAGS"
 CFLAGS="$CFLAGS -fno-cross-jump"  CFLAGS="$CFLAGS -fno-reorder-blocks"
 AC_TRY_COMPILE(,,ac_nocrossjump=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-cross-jump",ac_nocrossjump=no)  AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
 CFLAGS="$CFLAGS_1"  CFLAGS="$CFLAGS_1"
 AC_MSG_RESULT($ac_nocrossjump)  AC_MSG_RESULT($ac_noreorder_blocks)
   
   # Try if GCC understands __attribute__((unused))
   AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
   AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
   AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
   AC_MSG_RESULT($MAYBE_UNUSED)
   
 AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)  AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
 AC_SUBST(asm_fs)  AC_SUBST(asm_fs)
Line 317  AC_SUBST(asm_fs) Line 356  AC_SUBST(asm_fs)
 AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)  AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
 AC_SUBST(disasm_fs)  AC_SUBST(disasm_fs)
   
   AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
   
 case "$host_os" in  case "$host_os" in
         *win32|cygwin)          *win32|cygwin)
                 DIRSEP="\\\\"                  DIRSEP="\\\\"
                   PATHSEP=";"
                   #we want the builtins of command.com/cmd.exe and its
                   # handling of .com files.
                   #$COMSPEC contains the name of the Windows shell;
                   # the ./ is there, because the bash does not recognize
                   # absolute DOS filenames
                   DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
                 ;;                  ;;
         *darwin*)          *darwin*)
                 #Darwin uses some funny preprocessor by default; eliminate it:                  #Darwin uses some funny preprocessor by default; eliminate it:
                 AC_MSG_NOTICE([using -traditional-cpp on Darwin])                  AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
                 CFLAGS="$CFLAGS -traditional-cpp"                  CFLAGS="$CFLAGS -no-cpp-precomp"
                 DIRSEP="/"                  DIRSEP="/"
                   PATHSEP=":"
                   DEFAULTSYSTEMPREFIX=""
                 ;;                  ;;
         *)          *)
                 DIRSEP="/"                  DIRSEP="/"
                   PATHSEP=":"
                   DEFAULTSYSTEMPREFIX=""
                 ;;                  ;;
 esac  esac
 AC_SUBST(DIRSEP)  AC_SUBST(DIRSEP)
 AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])  AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
   AC_SUBST(PATHSEP)
   AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
   AC_SUBST(DEFAULTSYSTEMPREFIX)
   AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
   
 dnl Now a little support for DOS/DJGCC  dnl Now a little support for DOS/DJGCC
 AC_SUBST(GFORTH_EXE)  AC_SUBST(GFORTH_EXE)
Line 344  GFORTHITC_EXE="" Line 400  GFORTHITC_EXE=""
 AC_SUBST(GFORTHDITC_EXE)  AC_SUBST(GFORTHDITC_EXE)
 GFORTHDITC_EXE=""  GFORTHDITC_EXE=""
   
 PATHSEP=":"  
 AC_SUBST(PATHSEP)  
 AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])  
   
 AC_SUBST(FORTHSIZES)  AC_SUBST(FORTHSIZES)
   
 dnl if test "$PEEPHOLE" = "yes"  dnl if test "$PEEPHOLE" = "yes"
Line 385  fi Line 437  fi
   
 #check how to do asm(".skip 16")  #check how to do asm(".skip 16")
 AC_MSG_CHECKING([if and how we can waste code space])  AC_MSG_CHECKING([if and how we can waste code space])
 skipcode=no  if test -z "$skipcode"; then
 for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"      for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
 do      do
         AC_TRY_RUN(          AC_TRY_RUN(
 int foo(int);  [int foo(int,int,int);
 main()  main()
 {  {
   exit(foo(0)!=16);    exit(foo(0,0,0)!=16);
 }  }
 int foo(int x)  int foo(int x, int y, int z)
 {  {
     static void *labels[]={&&label1, &&label2};
   if (x) {    if (x) {
       y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
   label1:    label1:
     asm("$i");      asm(".skip 16"); /* or ".space 16" or somesuch */
   label2:    label2: ;
   }    }
   return (&&label2)-(&&label1);    {
 }    if (y) goto *labels[z]; /* workaround for gcc PR12108 */
     return labels[1]-labels[0];
     }
   }]
         ,skipcode=$i; break          ,skipcode=$i; break
         ,,)          ,,)
 done          done
   fi
 AC_MSG_RESULT($skipcode)  AC_MSG_RESULT($skipcode)
 if test "$skipcode" = no  if test "$skipcode" = no
 then   then 
     no_dynamic_default=1      if test -z $no_dynamic_default; then
           no_dynamic_default=1
           AC_MSG_WARN(Disabling default dynamic native code generation)
       fi
     AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes)      AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes)
     AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2))  
 else  else
     AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)      AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
 fi  fi
   
   test "$no_dynamic_default" || no_dynamic_default=0
 AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)  AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
   
 dnl Checks for programs.  dnl Checks for programs.
Line 427  dnl This check is just for making later Line 488  dnl This check is just for making later
 dnl using sin here is no good idea since it is built-into gcc and typechecked  dnl using sin here is no good idea since it is built-into gcc and typechecked
 AC_CHECK_LIB(m,asin)  AC_CHECK_LIB(m,asin)
 AC_CHECK_LIB(dl,dlopen)  AC_CHECK_LIB(dl,dlopen)
   dnl check for ffcall libraries
   dnl unfortunately, these four calls are separated out into a library each.
   AC_CHECK_LIB(avcall,__builtin_avcall)
   AC_CHECK_LIB(callback,__vacall_r)
   AC_CHECK_LIB(vacall,vacall)
   AC_CHECK_LIB(trampoline,alloc_trampoline)
   FFCALLFLAG="false"
   OLDCALLFLAG="true"
   test $ac_cv_lib_avcall___builtin_avcall = yes && FFCALLFLAG="true" && OLDCALLFLAG="false" && AC_DEFINE(HAS_FFCALL,,[define this if you want to use the ffcall libraries])
   test $ac_cv_lib_avcall___builtin_avcall = no && AC_DEFINE(HAS_OLDCALL,,[define this if you want to use the old call libraries])
   AC_SUBST(FFCALLFLAG)
   AC_SUBST(OLDCALLFLAG)
 if test "$host_os" != "nextstep3"  if test "$host_os" != "nextstep3"
 then  then
         AC_FUNC_MEMCMP          AC_FUNC_MEMCMP
Line 434  fi Line 507  fi
 AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)  AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
 AC_FUNC_FSEEKO  AC_FUNC_FSEEKO
 AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage)  AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage)
 AC_CHECK_TYPES(stack_t)  AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
 AC_DECL_SYS_SIGLIST  AC_DECL_SYS_SIGLIST
 AC_CHECK_FUNC(getopt_long,true,AC_LIBOBJ(getopt); AC_LIBOBJ(getopt1))  AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
 AC_CHECK_FUNCS(expm1 log1p)  AC_CHECK_FUNCS(expm1 log1p)
 AC_REPLACE_FUNCS(rint ecvt)  AC_REPLACE_FUNCS(rint ecvt)
 dnl No check for select, because our replacement is no good under  dnl No check for select, because our replacement is no good under

Removed from v.1.110  
changed lines
  Added in v.1.142


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