#! /bin/sh # ltconfig - Create a system-specific libtool. # Copyright (C) 1996-1998 Free Software Foundation, Inc. # Gordon Matzigkeit , 1996 # # This file 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 of the License, or # (at your option) any later version. # # This program 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, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # A lot of this script is taken from autoconf-2.10. # Check that we are running under the correct shell. SHELL=${CONFIG_SHELL-/bin/sh} echo=echo if test "X$1" = X--no-reexec; then # Discard the --no-reexec flag, and continue. shift elif test "X$1" = X--fallback-echo; then # used as fallback echo shift cat </dev/null`" = 'X\t'; then # Yippee, $echo works! : else # Restart under the correct shell. exec "$SHELL" "$0" --no-reexec ${1+"$@"} fi # The HP-UX ksh and POSIX shell print the target directory to stdout # if CDPATH is set. if test "${CDPATH+set}" = set; then CDPATH=; export CDPATH; fi if test "X${echo_test_string+set}" != "Xset"; then # find a string as large as possible, as long as the shell can cope with it for cmd in 'sed 50q "$0"' 'sed 20q "$0"' 'sed 10q "$0"' 'sed 2q "$0"' 'echo test'; do # expected sizes: less than 2Kb, 1Kb, 512 bytes, 16 bytes, ... if (echo_test_string="`eval $cmd`") 2>/dev/null && echo_test_string="`eval $cmd`" && (test "X$echo_test_string" = "X$echo_test_string") 2>/dev/null; then break fi done fi if test "X`($echo '\t') 2>/dev/null`" != 'X\t' || test "X`($echo "$echo_test_string") 2>/dev/null`" != X"$echo_test_string"; then # The Solaris, AIX, and Digital Unix default echo programs unquote # backslashes. This makes it impossible to quote backslashes using # echo "$something" | sed 's/\\/\\\\/g' # # So, first we look for a working echo in the user's PATH. IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:" for dir in $PATH /usr/ucb; do if test -f $dir/echo && test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' && test "X`($dir/echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then echo="$dir/echo" break fi done IFS="$save_ifs" if test "X$echo" = Xecho; then # We didn't find a better echo, so look for alternatives. if test "X`(print -r '\t') 2>/dev/null`" = 'X\t' && test "X`(print -r "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then # This shell has a builtin print -r that does the trick. echo='print -r' elif test -f /bin/ksh && test "X$CONFIG_SHELL" != X/bin/ksh; then # If we have ksh, try running ltconfig again with it. ORIGINAL_CONFIG_SHELL="${CONFIG_SHELL-/bin/sh}" export ORIGINAL_CONFIG_SHELL CONFIG_SHELL=/bin/ksh export CONFIG_SHELL exec "$CONFIG_SHELL" "$0" --no-reexec ${1+"$@"} else # Try using printf. echo='printf %s\n' if test "X`($echo '\t') 2>/dev/null`" = 'X\t' && test "X`($echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then # Cool, printf works : elif test "X`("$ORIGINAL_CONFIG_SHELL" "$0" --fallback-echo '\t') 2>/dev/null`" = 'X\t' && test "X`("$ORIGINAL_CONFIG_SHELL" "$0" --fallback-echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then CONFIG_SHELL="$ORIGINAL_CONFIG_SHELL" export CONFIG_SHELL SHELL="$CONFIG_SHELL" export SHELL echo="$CONFIG_SHELL $0 --fallback-echo" elif test "X`("$CONFIG_SHELL" "$0" --fallback-echo '\t') 2>/dev/null`" = 'X\t' && test "X`("$CONFIG_SHELL" "$0" --fallback-echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then echo="$CONFIG_SHELL $0 --fallback-echo" else # maybe with a smaller string... prev=: for cmd in 'echo test' 'sed 2q "$0"' 'sed 10q "$0"' 'sed 20q "$0"' 'sed 50q "$0"'; do if (test "X$echo_test_string" = "X`eval $cmd`") 2>/dev/null; then break fi prev="$cmd" done if test "$prev" != 'sed 50q "$0"'; then echo_test_string=`eval $prev` export echo_test_string exec "${ORIGINAL_CONFIG_SHELL}" "$0" ${1+"$@"} else # Oops. We lost completely, so just stick with echo. echo=echo fi fi fi fi fi # Sed substitution that helps us do robust quoting. It backslashifies # metacharacters that are still active within double-quoted strings. Xsed='sed -e s/^X//' sed_quote_subst='s/\([\\"\\`$\\\\]\)/\\\1/g' # Same as above, but do not quote variable references. double_quote_subst='s/\([\\"\\`\\\\]\)/\\\1/g' # The name of this program. progname=`$echo "X$0" | $Xsed -e 's%^.*/%%'` # Constants: PROGRAM=ltconfig PACKAGE=@PACKAGE@ VERSION=@VERSION@ ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.c 1>&5' ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.c $LIBS 1>&5' rm="rm -f" help="Try \`$progname --help' for more information." # Global variables: default_ofile=libtool can_build_shared=yes enable_shared=yes # All known linkers require a `.a' archive for static linking. enable_static=yes ltmain= silent= srcdir= ac_config_guess= ac_config_sub= host= nonopt= ofile="$default_ofile" verify_host=yes with_gcc=no with_gnu_ld=no need_locks=yes objext=o libext=a old_AR="$AR" old_CC="$CC" old_CFLAGS="$CFLAGS" old_CPPFLAGS="$CPPFLAGS" old_LD="$LD" old_LN_S="$LN_S" old_NM="$NM" old_RANLIB="$RANLIB" old_DLLTOOL="$DLLTOOL" old_AS="$AS" # Parse the command line options. args= prev= for option do case "$option" in -*=*) optarg=`echo "$option" | sed 's/[-_a-zA-Z0-9]*=//'` ;; *) optarg= ;; esac # If the previous option needs an argument, assign it. if test -n "$prev"; then eval "$prev=\$option" prev= continue fi case "$option" in --help) cat <&2 echo "$help" 1>&2 exit 1 ;; *) if test -z "$ltmain"; then ltmain="$option" elif test -z "$host"; then # This generates an unnecessary warning for sparc-sun-solaris4.1.3_U1 # if test -n "`echo $option| sed 's/[-a-z0-9.]//g'`"; then # echo "$progname: warning \`$option' is not a valid host type" 1>&2 # fi host="$option" else echo "$progname: too many arguments" 1>&2 echo "$help" 1>&2 exit 1 fi ;; esac done if test -z "$ltmain"; then echo "$progname: you must specify a LTMAIN file" 1>&2 echo "$help" 1>&2 exit 1 fi if test ! -f "$ltmain"; then echo "$progname: \`$ltmain' does not exist" 1>&2 echo "$help" 1>&2 exit 1 fi # Quote any args containing shell metacharacters. ltconfig_args= for arg do case "$arg" in *" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*) ltconfig_args="$ltconfig_args '$arg'" ;; *) ltconfig_args="$ltconfig_args $arg" ;; esac done # A relevant subset of AC_INIT. # File descriptor usage: # 0 standard input # 1 file creation # 2 errors and warnings # 3 some systems may open it to /dev/tty # 4 used on the Kubota Titan # 5 compiler messages saved in config.log # 6 checking for... messages and results if test "$silent" = yes; then exec 6>/dev/null else exec 6>&1 fi exec 5>>./config.log # NLS nuisances. # Only set LANG and LC_ALL to C if already set. # These must not be set unconditionally because not all systems understand # e.g. LANG=C (notably SCO). if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi if test "${LANG+set}" = set; then LANG=C; export LANG; fi if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu. if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then ac_n= ac_c=' ' ac_t=' ' else ac_n=-n ac_c= ac_t= fi else ac_n= ac_c='\c' ac_t= fi if test -z "$srcdir"; then # Assume the source directory is the same one as the path to LTMAIN. srcdir=`$echo "$ltmain" | $Xsed -e 's%/[^/]*$%%'` test "$srcdir" = "$ltmain" && srcdir=. fi trap "$rm conftest*; exit 1" 1 2 15 if test "$verify_host" = yes; then # Check for config.guess and config.sub. ac_aux_dir= for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do if test -f $ac_dir/config.guess; then ac_aux_dir=$ac_dir break fi done if test -z "$ac_aux_dir"; then echo "$progname: cannot find config.guess in $srcdir $srcdir/.. $srcdir/../.." 1>&2 echo "$help" 1>&2 exit 1 fi ac_config_guess=$ac_aux_dir/config.guess ac_config_sub=$ac_aux_dir/config.sub # Make sure we can run config.sub. if $SHELL $ac_config_sub sun4 >/dev/null 2>&1; then : else echo "$progname: cannot run $ac_config_sub" 1>&2 echo "$help" 1>&2 exit 1 fi echo $ac_n "checking host system type""... $ac_c" 1>&6 host_alias=$host case "$host_alias" in "") if host_alias=`$SHELL $ac_config_guess`; then : else echo "$progname: cannot guess host type; you must specify one" 1>&2 echo "$help" 1>&2 exit 1 fi ;; esac host=`$SHELL $ac_config_sub $host_alias` echo "$ac_t$host" 1>&6 # Make sure the host verified. test -z "$host" && exit 1 elif test -z "$host"; then echo "$progname: you must specify a host type if you use \`--no-verify'" 1>&2 echo "$help" 1>&2 exit 1 else host_alias=$host fi # Transform linux* to *-*-linux-gnu*, to support old configure scripts. case "$host_os" in linux-gnu*) ;; linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'` esac host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'` host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'` host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'` case "$host_os" in aix3*) # AIX sometimes has problems with the GCC collect2 program. For some # reason, if we set the COLLECT_NAMES environment variable, the problems # vanish in a puff of smoke. if test "${COLLECT_NAMES+set}" != set; then COLLECT_NAMES= export COLLECT_NAMES fi ;; esac # Determine commands to create old-style static archives. old_archive_cmds='$AR cru $oldlib$oldobjs' old_postinstall_cmds='chmod 644 $oldlib' old_postuninstall_cmds= # Set a sane default for `AR'. test -z "$AR" && AR=ar # If RANLIB is not set, then run the test. if test "${RANLIB+set}" != "set"; then result=no echo $ac_n "checking for ranlib... $ac_c" 1>&6 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:" for dir in $PATH; do test -z "$dir" && dir=. if test -f $dir/ranlib; then RANLIB="ranlib" result="ranlib" break fi done IFS="$save_ifs" echo "$ac_t$result" 1>&6 fi if test -n "$RANLIB"; then old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib" old_postinstall_cmds="\$RANLIB \$oldlib~$old_postinstall_cmds" fi # Set sane defaults for `DLLTOOL' and `AS', used on cygwin32. test -z "$DLLTOOL" && DLLTOOL=dlltool test -z "$AS" && AS=as # Check to see if we are using GCC. if test "$with_gcc" != yes || test -z "$CC"; then # If CC is not set, then try to find GCC or a usable CC. if test -z "$CC"; then echo $ac_n "checking for gcc... $ac_c" 1>&6 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:" for dir in $PATH; do IFS="$save_ifs" test -z "$dir" && dir=. if test -f $dir/gcc; then CC="gcc" break fi done IFS="$save_ifs" if test -n "$CC"; then echo "$ac_t$CC" 1>&6 else echo "$ac_t"no 1>&6 fi fi # Not "gcc", so try "cc", rejecting "/usr/ucb/cc". if test -z "$CC"; then echo $ac_n "checking for cc... $ac_c" 1>&6 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:" cc_rejected=no for dir in $PATH; do test -z "$dir" && dir=. if test -f $dir/cc; then if test "$dir/cc" = "/usr/ucb/cc"; then cc_rejected=yes continue fi CC="cc" break fi done IFS="$save_ifs" if test $cc_rejected = yes; then # We found a bogon in the path, so make sure we never use it. set dummy $CC shift if test $# -gt 0; then # We chose a different compiler from the bogus one. # However, it has the same name, so the bogon will be chosen # first if we set CC to just the name; use the full file name. shift set dummy "$dir/cc" "$@" shift CC="$@" fi fi if test -n "$CC"; then echo "$ac_t$CC" 1>&6 else echo "$ac_t"no 1>&6 fi if test -z "$CC"; then echo "$progname: error: no acceptable cc found in \$PATH" 1>&2 exit 1 fi fi # Now see if the compiler is really GCC. with_gcc=no echo $ac_n "checking whether we are using GNU C... $ac_c" 1>&6 echo "$progname:@LINENO@: checking whether we are using GNU C" >&5 $rm conftest.c cat > conftest.c <&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then with_gcc=yes fi $rm conftest.c echo "$ac_t$with_gcc" 1>&6 fi # Allow CC to be a program name with arguments. set dummy $CC compiler="$2" echo $ac_n "checking for object suffix... $ac_c" 1>&6 $rm conftest* echo 'int i = 1;' > conftest.c echo "$progname:@LINENO@: checking for object suffix" >& 5 if { (eval echo $progname:@LINENO@: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then # Append any warnings to the config.log. cat conftest.err 1>&5 for ac_file in conftest.*; do case $ac_file in *.c) ;; *) objext=`echo $ac_file | sed -e s/conftest.//` ;; esac done else cat conftest.err 1>&5 echo "$progname: failed program was:" >&5 cat conftest.c >&5 fi $rm conftest* echo "$ac_t$objext" 1>&6 echo $ac_n "checking for $compiler option to produce PIC... $ac_c" 1>&6 pic_flag= special_shlib_compile_flags= wl= link_static_flag= no_builtin_flag= if test "$with_gcc" = yes; then wl='-Wl,' link_static_flag='-static' case "$host_os" in aix3* | aix4* | irix5* | irix6* | osf3* | osf4*) # PIC is the default for these OSes. ;; cygwin32* | mingw32* | os2*) # We can build DLLs from non-PIC. ;; amigaos*) # FIXME: we need at least 68020 code to build shared libraries, but # adding the `-m68020' flag to GCC prevents building anything better, # like `-m68040'. pic_flag='-m68020 -resident32 -malways-restore-a4' ;; *) pic_flag='-fPIC' ;; esac else # PORTME Check for PIC flags for the system compiler. case "$host_os" in aix3* | aix4*) # All AIX code is PIC. link_static_flag='-bnso -bI:/lib/syscalls.exp' ;; hpux9* | hpux10* | hpux11*) # Is there a better link_static_flag that works with the bundled CC? wl='-Wl,' link_static_flag="${wl}-a ${wl}archive" pic_flag='+Z' ;; irix5* | irix6*) wl='-Wl,' link_static_flag='-non_shared' # PIC (with -KPIC) is the default. ;; cygwin32* | mingw32* | os2*) # We can build DLLs from non-PIC. ;; osf3* | osf4*) # All OSF/1 code is PIC. wl='-Wl,' link_static_flag='-non_shared' ;; sco3.2v5*) pic_flag='-Kpic' link_static_flag='-dn' special_shlib_compile_flags='-belf' ;; solaris*) pic_flag='-KPIC' link_static_flag='-Bstatic' wl='-Wl,' ;; sunos4*) pic_flag='-PIC' link_static_flag='-Bstatic' wl='-Qoption ld ' ;; sysv4.2uw2* | sysv5*) pic_flag='-KPIC' link_static_flag='-Bstatic' wl='-Wl,' ;; uts4*) pic_flag='-pic' link_static_flag='-Bstatic' ;; *) can_build_shared=no ;; esac fi if test -n "$pic_flag"; then echo "$ac_t$pic_flag" 1>&6 # Check to make sure the pic_flag actually works. echo $ac_n "checking if $compiler PIC flag $pic_flag works... $ac_c" 1>&6 $rm conftest* echo "int some_variable = 0;" > conftest.c save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $pic_flag -DPIC" echo "$progname:@LINENO@: checking if $compiler PIC flag $pic_flag works" >&5 if { (eval echo $progname:@LINENO@: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.$objext; then # Append any warnings to the config.log. cat conftest.err 1>&5 # On HP-UX, both CC and GCC only warn that PIC is supported... then they # create non-PIC objects. So, if there were any warnings, we assume that # PIC is not supported. if test -s conftest.err; then echo "$ac_t"no 1>&6 can_build_shared=no pic_flag= else echo "$ac_t"yes 1>&6 pic_flag=" $pic_flag" fi else # Append any errors to the config.log. cat conftest.err 1>&5 can_build_shared=no pic_flag= echo "$ac_t"no 1>&6 fi CFLAGS="$save_CFLAGS" $rm conftest* else echo "$ac_t"none 1>&6 fi # Check to see if options -o and -c are simultaneously supported by compiler echo $ac_n "checking if $compiler supports -c -o file.o... $ac_c" 1>&6 $rm conftest* echo "int some_variable = 0;" > conftest.c save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -c -o conftest2.o" echo "$progname:@LINENO@: checking if $compiler supports -c -o file.o" >&5 if { (eval echo $progname:@LINENO@: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest2.o; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings if test -s conftest.err; then echo "$ac_t"no 1>&6 compiler_c_o=no else echo "$ac_t"yes 1>&6 compiler_c_o=yes fi else # Append any errors to the config.log. cat conftest.err 1>&5 compiler_c_o=no echo "$ac_t"no 1>&6 fi CFLAGS="$save_CFLAGS" $rm conftest* if test x"$compiler_c_o" = x"yes"; then # Check to see if we can write to a .lo echo $ac_n "checking if $compiler supports -c -o file.lo... $ac_c" 1>&6 $rm conftest* echo "int some_variable = 0;" > conftest.c save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -c -o conftest.lo" echo "$progname:@LINENO@: checking if $compiler supports -c -o file.lo" >&5 if { (eval echo $progname:@LINENO@: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.lo; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings if test -s conftest.err; then echo "$ac_t"no 1>&6 compiler_o_lo=no else echo "$ac_t"yes 1>&6 compiler_o_lo=yes fi else # Append any errors to the config.log. cat conftest.err 1>&5 compiler_o_lo=no echo "$ac_t"no 1>&6 fi CFLAGS="$save_CFLAGS" $rm conftest* else compiler_o_lo=no fi # Check to see if we can do hard links to lock some files if needed hard_links="nottested" if test "$compiler_c_o" = no && test "$need_locks" != no; then # do not overwrite the value of need_locks provided by the user echo $ac_n "checking if we can lock with hard links... $ac_c" 1>&6 hard_links=yes $rm conftest* ln conftest.a conftest.b 2>/dev/null && hard_links=no touch conftest.a ln conftest.a conftest.b 2>&5 || hard_links=no ln conftest.a conftest.b 2>/dev/null && hard_links=no echo "$ac_t$hard_links" 1>&6 $rm conftest* if test "$hard_links" = no; then echo "*** WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2 need_locks=warn fi else need_locks=no fi if test "$with_gcc" = yes; then # Check to see if options -fno-rtti -fno-exceptions are supported by compiler echo $ac_n "checking if $compiler supports -fno-rtti -fno-exceptions ... $ac_c" 1>&6 $rm conftest* echo "int some_variable = 0;" > conftest.c save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fno-rtti -fno-exceptions -c conftest.c" echo "$progname:@LINENO@: checking if $compiler supports -fno-rtti -fno-exceptions" >&5 if { (eval echo $progname:@LINENO@: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.o; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings if test -s conftest.err; then echo "$ac_t"no 1>&6 compiler_rtti_exceptions=no else echo "$ac_t"yes 1>&6 compiler_rtti_exceptions=yes fi else # Append any errors to the config.log. cat conftest.err 1>&5 compiler_rtti_exceptions=no echo "$ac_t"no 1>&6 fi CFLAGS="$save_CFLAGS" $rm conftest* if test "$compiler_rtti_exceptions" = "yes"; then no_builtin_flag=' -fno-builtin -fno-rtti -fno-exceptions' else no_builtin_flag=' -fno-builtin' fi fi # Check for any special shared library compilation flags. if test -n "$special_shlib_compile_flags"; then echo "$progname: warning: \`$CC' requires \`$special_shlib_compile_flags' to build shared libraries" 1>&2 if echo "$old_CC $old_CFLAGS " | egrep -e "[ ]$special_shlib_compile_flags[ ]" >/dev/null; then : else echo "$progname: add \`$special_shlib_compile_flags' to the CC or CFLAGS env variable and reconfigure" 1>&2 can_build_shared=no fi fi echo $ac_n "checking if $compiler static flag $link_static_flag works... $ac_c" 1>&6 $rm conftest* echo 'main(){return(0);}' > conftest.c save_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS $link_static_flag" echo "$progname:@LINENO@: checking if $compiler static flag $link_static_flag works" >&5 if { (eval echo $progname:@LINENO@: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then echo "$ac_t$link_static_flag" 1>&6 else echo "$ac_t"none 1>&6 link_static_flag= fi LDFLAGS="$save_LDFLAGS" $rm conftest* if test -z "$LN_S"; then # Check to see if we can use ln -s, or we need hard links. echo $ac_n "checking whether ln -s works... $ac_c" 1>&6 $rm conftestdata if ln -s X conftestdata 2>/dev/null; then $rm conftestdata LN_S="ln -s" else LN_S=ln fi if test "$LN_S" = "ln -s"; then echo "$ac_t"yes 1>&6 else echo "$ac_t"no 1>&6 fi fi # Make sure LD is an absolute path. if test -z "$LD"; then ac_prog=ld if test "$with_gcc" = yes; then # Check if gcc -print-prog-name=ld gives a path. echo $ac_n "checking for ld used by GCC... $ac_c" 1>&6 echo "$progname:@LINENO@: checking for ld used by GCC" >&5 ac_prog=`($CC -print-prog-name=ld) 2>&5` case "$ac_prog" in # Accept absolute paths. /* | [A-Za-z]:/*) re_direlt='/[^/][^/]*/\.\./' sub_uncdrive='s%^\([A-Za-z]\):/%//\1/%' # Canonicalize the path of ld while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"` done case "$host_os" in cygwin*) # Convert to a UNC path for cygwin test -z "$LD" && LD=`echo X$ac_prog | $Xsed -e "$sub_uncdrive"` ;; *) test -z "$LD" && LD="$ac_prog" ;; esac ;; ## ## FIXME: The code fails later on if we try to use an $LD with ## '\\' path separators. ## [A-Za-z]:[\\]*) re_direlt='\\[^\\][^\\]*\\\.\.\(\\\)' sub_uncdrive='s%^\([A-Za-z]\):\\%//\1/%' sub_uncdir='s%\\%/%g' # Canonicalize the path of ld while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do ac_prog=`echo $ac_prog| sed "s%$re_direlt%\1%"` done case "$host_os" in cygwin*) # Convert to a UNC path for cygwin test -z "$LD" && LD=`echo X$ac_prog | $Xsed -e "$sub_uncdrive" -e "$sub_uncdir"` ;; *) test -z "$LD" && LD="$ac_prog" ;; esac ;; "") # If it fails, then pretend we are not using GCC. ac_prog=ld ;; *) # If it is relative, then search for the first ld in PATH. with_gnu_ld=unknown ;; esac elif test "$with_gnu_ld" = yes; then echo $ac_n "checking for GNU ld... $ac_c" 1>&6 echo "$progname:@LINENO@: checking for GNU ld" >&5 else echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6 echo "$progname:@LINENO@: checking for non-GNU ld" >&5 fi if test -z "$LD"; then IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:" for ac_dir in $PATH; do test -z "$ac_dir" && ac_dir=. if test -f "$ac_dir/$ac_prog"; then LD="$ac_dir/$ac_prog" # Check to see if the program is GNU ld. I'd rather use --version, # but apparently some GNU ld's only accept -v. # Break only if it was the GNU/non-GNU ld that we prefer. if "$LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then test "$with_gnu_ld" != no && break else test "$with_gnu_ld" != yes && break fi fi done IFS="$ac_save_ifs" fi if test -n "$LD"; then echo "$ac_t$LD" 1>&6 else echo "$ac_t"no 1>&6 fi if test -z "$LD"; then echo "$progname: error: no acceptable ld found in \$PATH" 1>&2 exit 1 fi fi # Check to see if it really is or is not GNU ld. echo $ac_n "checking if the linker ($LD) is GNU ld... $ac_c" 1>&6 # I'd rather use --version here, but apparently some GNU ld's only accept -v. if $LD -v 2>&1 &5; then with_gnu_ld=yes else with_gnu_ld=no fi echo "$ac_t$with_gnu_ld" 1>&6 # See if the linker supports building shared libraries. echo $ac_n "checking whether the linker ($LD) supports shared libraries... $ac_c" 1>&6 allow_undefined_flag= no_undefined_flag= archive_cmds= archive_sym_cmds= old_archive_from_new_cmds= export_dynamic_flag_spec= whole_archive_flag_spec= hardcode_libdir_flag_spec= hardcode_libdir_separator= hardcode_direct=no hardcode_minus_L=no hardcode_shlibpath_var=unsupported runpath_var= case "$host_os" in aix3* | aix4*) # On AIX, the GNU linker works like the native linker. with_gnu_ld=no ;; esac ld_shlibs=yes if test "$with_gnu_ld" = yes; then # See if GNU ld supports shared libraries. case "$host_os" in amigaos*) archive_cmds='$rm $objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $objdir/a2ixlibrary.data~$AR cru $lib$libobjs~$RANLIB $lib~(cd $objdir && a2ixlibrary -32)' hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes ;; sunos4*) archive_cmds='$LD -assert pure-text -Bstatic -o $lib$libobjs$deplibs' hardcode_direct=yes hardcode_minus_L=yes hardcode_shlibpath_var=no ;; cygwin32* | mingw32*) if test "$with_gcc" = yes; then # hardcode_libdir_flag_spec is actually meaningless, as there is # no search path for DLLs. hardcode_libdir_flag_spec='-L$libdir' allow_undefined_flag=unsupported # Very, very bogus. echo ' #define WIN32_LEAN_AND_MEAN #include #undef WIN32_LEAN_AND_MEAN #include BOOL APIENTRY DllMain (HINSTANCE hInst, DWORD reason, LPVOID reserved); #include DECLARE_CYGWIN_DLL( DllMain ); HINSTANCE __hDllInstance_base; BOOL APIENTRY DllMain (HINSTANCE hInst, DWORD reason, LPVOID reserved) { __hDllInstance_base = hInst; return TRUE; } ' > ltdll.c archive_cmds='$CC -c '"`pwd`"'/ltdll.c~echo EXPORTS > $lib.exp~ $DLLTOOL --export-all --output-def $lib.exp~ $CC -Wl,--base-file,$soname-base -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 $libobs ltdll.$objext~ $DLLTOOL --as=$AS --dllname $soname --exclude-symbol=_cygwin_dll_entry@12 --def $lib.exp --base-file $soname-base --output-exp $soname-exp~ $CC -Wl,--base-file,$soname-base $soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $libobjs ltdll.$objext$deplibs~ $DLLTOOL --as=$AS --dllname $soname --exclude-symbol=_cygwin_dll_entry@12 --def $lib.exp --base-file $soname-base --output-exp $soname-exp~ $CC $soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $libobjs ltdll.$objext$deplibs~ $rm ltdll.$objext $soname-base $soname-exp' archive_sym_cmds='$CC -c '"`pwd`"'/ltdll.c~echo EXPORTS > $lib.exp~ cat "$export_symbols" > $lib.exp~ $CC -Wl,--base-file,$soname-base -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 $libobs ltdll.$objext~ $DLLTOOL --as=$AS --dllname $soname --exclude-symbol=_cygwin_dll_entry@12 --def $lib.exp --base-file $soname-base --output-exp $soname-exp~ $CC -Wl,--base-file,$soname-base $soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $libobjs ltdll.$objext$deplibs~ $DLLTOOL --as=$AS --dllname $soname --exclude-symbol=_cygwin_dll_entry@12 --def $lib.exp --base-file $soname-base --output-exp $soname-exp~ $CC $soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $libobjs ltdll.$objext$deplibs~ $rm ltdll.$objext $soname-base $soname-exp' old_archive_from_new_cmds='$DLLTOOL --as=$AS --dllname $soname --def $lib.exp --output-lib $objdir/$libname.a~$rm $lib.exp' else # When not using gcc, we currently assume that we are using # Microsoft Visual C++. with_gnu_ld=no # hardcode_libdir_flag_spec is actually meaningless, as there is # no search path for DLLs. hardcode_libdir_flag_spec=' ' allow_undefined_flag=unsupported # Tell ltmain to make .lib files, not .a files. libext=lib # FIXME: Setting linknames here is a bad hack. archive_cmds='$CC -o $lib$libobjs`echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames=' # The linker will automatically build a .lib file if we build a DLL. old_archive_from_new_cmds='true' # FIXME: Should let the user specify the lib program. old_archive_cmds='lib /OUT:$oldlib$oldobjs' fix_srcfile_path='`cygpath -w $srcfile`' fi ;; *) if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then archive_cmds='$CC -shared ${wl}-soname $wl$soname -o $lib$libobjs$deplibs' archive_sym_cmds='$CC -shared ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib$libobjs$deplibs' else ld_shlibs=no fi ;; esac if test "$ld_shlibs" = yes && test "$with_gnu_ld" = yes; then runpath_var=LD_RUN_PATH hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir' export_dynamic_flag_spec='${wl}--export-dynamic' whole_archive_flag_spec='${wl}--whole-archive$convenience ${wl}--no-whole-archive' fi else # PORTME fill in a description of your system's linker (not GNU ld) case "$host_os" in aix3*) allow_undefined_flag=unsupported archive_cmds='$NM$libobjs | $global_symbol_pipe | sed '\''s/.* //'\' | sort | uniq' > $lib.exp~ $LD -o $objdir/$soname$libobjs$deplibs -bE:$lib.exp -T512 -H512 -bM:SRE~$AR cru $lib $objdir/$soname' archive_sym_cmds='cat $export_symbols > $lib.exp~ $LD -o $objdir/$soname$libobjs$deplibs -bE:$lib.exp -T512 -H512 -bM:SRE~$AR cru $lib $objdir/$soname~$rm $lib.exp' # Note: this linker hardcodes the directories in LIBPATH if there # are no directories specified by -L. hardcode_minus_L=yes if test "$with_gcc" = yes && test -z "$link_static_flag"; then # Neither direct hardcoding nor static linking is supported with a # broken collect2. hardcode_direct=unsupported fi ;; aix4*) allow_undefined_flag=unsupported archive_cmds='$NM$libobjs | $global_symbol_pipe | sed '\''s/.* //'\' | sort | uniq' > $lib.exp else cat $export_symbols > $lib.exp~ $CC -o $objdir/$soname$libobjs$deplibs ${wl}-bE:$lib.exp ${wl}-bM:SRE ${wl}-bnoentry~$AR cru $lib $objdir/$soname' archive_sym_cmds='cat $export_symbols > $lib.exp~ $CC -o $objdir/$soname$libobjs$deplibs ${wl}-bE:$lib.exp ${wl}-bM:SRE ${wl}-bnoentry~$AR cru $lib $objdir/$soname~$rm $lib.exp' hardcode_direct=yes hardcode_minus_L=yes ;; amigaos*) archive_cmds='$rm $objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $objdir/a2ixlibrary.data~$AR cru $lib$libobjs~$RANLIB $lib~(cd $objdir && a2ixlibrary -32)' hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes ;; cygwin32* | mingw32*) if test "$with_gcc" = yes; then # hardcode_libdir_flag_spec is actually meaningless, as there is # no search path for DLLs. hardcode_libdir_flag_spec='-L$libdir' allow_undefined_flag=unsupported # Very, very bogus. echo ' #define WIN32_LEAN_AND_MEAN #include #undef WIN32_LEAN_AND_MEAN #include BOOL APIENTRY DllMain (HINSTANCE hInst, DWORD reason, LPVOID reserved); #include DECLARE_CYGWIN_DLL( DllMain ); HINSTANCE __hDllInstance_base; BOOL APIENTRY DllMain (HINSTANCE hInst, DWORD reason, LPVOID reserved) { __hDllInstance_base = hInst; return TRUE; } ' > ltdll.c archive_cmds='$CC -c '"`pwd`"'/ltdll.c~echo EXPORTS > $lib.exp~ $DLLTOOL --export-all --output-def $lib.exp~ $CC -Wl,--base-file,$soname-base -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 $libobs ltdll.$objext~ $DLLTOOL --as=$AS --dllname $soname --exclude-symbol=_cygwin_dll_entry@12 --def $lib.exp --base-file $soname-base --output-exp $soname-exp~ $CC -Wl,--base-file,$soname-base $soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $libobjs ltdll.$objext$deplibs~ $DLLTOOL --as=$AS --dllname $soname --exclude-symbol=_cygwin_dll_entry@12 --def $lib.exp --base-file $soname-base --output-exp $soname-exp~ $CC $soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $libobjs ltdll.$objext$deplibs~ $rm ltdll.$objext $soname-base $soname-exp' archive_sym_cmds='$CC -c '"`pwd`"'/ltdll.c~echo EXPORTS > $lib.exp~ cat "$export_symbols" > $lib.exp~ $CC -Wl,--base-file,$soname-base -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 $libobs ltdll.$objext~ $DLLTOOL --as=$AS --dllname $soname --exclude-symbol=_cygwin_dll_entry@12 --def $lib.exp --base-file $soname-base --output-exp $soname-exp~ $CC -Wl,--base-file,$soname-base $soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $libobjs ltdll.$objext$deplibs~ $DLLTOOL --as=$AS --dllname $soname --exclude-symbol=_cygwin_dll_entry@12 --def $lib.exp --base-file $soname-base --output-exp $soname-exp~ $CC $soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $libobjs ltdll.$objext$deplibs~ $rm ltdll.$objext $soname-base $soname-exp' old_archive_from_new_cmds='$DLLTOOL --as=$AS --dllname $soname --def $lib.exp --output-lib $objdir/$libname.a~$rm $lib.exp' else # When not using gcc, we currently assume that we are using # Microsoft Visual C++. # hardcode_libdir_flag_spec is actually meaningless, as there is # no search path for DLLs. hardcode_libdir_flag_spec=' ' allow_undefined_flag=unsupported # Tell ltmain to make .lib files, not .a files. libext=lib # FIXME: Setting linknames here is a bad hack. archive_cmds='$CC -o $lib$libobjs`echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames=' # The linker will automatically build a .lib file if we build a DLL. old_archive_from_new_cmds='true' # FIXME: Should let the user specify the lib program. old_archive_cmds='lib /OUT:$oldlib$oldobjs' fix_srcfile_path='`cygpath -w $srcfile`' fi ;; 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