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974 lines
28 KiB
974 lines
28 KiB
dnl local autoconf macros
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dnl Bruno Haible 21.9.1997
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dnl Marcus Daniels 10.4.1997
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dnl
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AC_PREREQ(2.12)dnl
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dnl
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dnl without AC_MSG_...: with AC_MSG_... and caching:
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dnl AC_TRY_CPP CL_CPP_CHECK
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dnl AC_TRY_COMPILE CL_COMPILE_CHECK
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dnl AC_TRY_LINK CL_LINK_CHECK
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dnl AC_TRY_RUN CL_RUN_CHECK - would require cross-compiling support
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dnl Usage:
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dnl AC_TRY_CPP(INCLUDES,
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dnl ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND])
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dnl CL_CPP_CHECK(ECHO-TEXT, CACHE-ID,
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dnl INCLUDES,
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dnl ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND])
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dnl AC_TRY_xxx(INCLUDES, FUNCTION-BODY,
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dnl ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND])
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dnl CL_xxx_CHECK(ECHO-TEXT, CACHE-ID,
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dnl INCLUDES, FUNCTION-BODY,
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dnl ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND])
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dnl
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define(CL_CPP_CHECK,
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[AC_MSG_CHECKING(for $1)
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AC_CACHE_VAL($2,[
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AC_TRY_CPP([$3], $2=yes, $2=no)
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])
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AC_MSG_RESULT([$]$2)
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if test [$]$2 = yes; then
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ifelse([$4], , :, [$4])
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ifelse([$5], , , [else
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$5
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])dnl
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fi
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])dnl
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dnl
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define(CL_COMPILE_CHECK,
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[AC_MSG_CHECKING(for $1)
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AC_CACHE_VAL($2,[
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AC_TRY_COMPILE([$3],[$4], $2=yes, $2=no)
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])
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AC_MSG_RESULT([$]$2)
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if test [$]$2 = yes; then
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ifelse([$5], , :, [$5])
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ifelse([$6], , , [else
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$6
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])dnl
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fi
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])dnl
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dnl
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define(CL_LINK_CHECK,
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[AC_MSG_CHECKING(for $1)
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AC_CACHE_VAL($2,[
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AC_TRY_LINK([$3],[$4], $2=yes, $2=no)
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])
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AC_MSG_RESULT([$]$2)
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if test [$]$2 = yes; then
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ifelse([$5], , :, [$5])
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ifelse([$6], , , [else
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$6
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])dnl
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fi
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])dnl
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dnl
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dnl CL_PROTO(IDENTIFIER, ACTION-IF-NOT-FOUND, FINAL-PROTOTYPE)
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define(CL_PROTO,
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[AC_MSG_CHECKING([for $1 declaration])
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AC_CACHE_VAL(cl_cv_proto_[$1], [$2
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cl_cv_proto_$1="$3"])
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cl_cv_proto_$1=`echo "[$]cl_cv_proto_$1" | tr -s ' ' | sed -e 's/( /(/'`
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AC_MSG_RESULTPROTO([$]cl_cv_proto_$1)
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])dnl
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dnl
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dnl CL_PROTO_RET(INCLUDES, DECL, CACHE-ID, TYPE-IF-OK, TYPE-IF-FAILS)
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define(CL_PROTO_RET,
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[AC_TRY_COMPILE([$1]
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AC_LANG_EXTERN[$2
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], [], $3="$4", $3="$5")
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])dnl
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dnl
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dnl CL_PROTO_TRY(INCLUDES, ANSI-DECL, TRAD-DECL, ACTION-IF-OK, ACTION-IF-FAILS)
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define(CL_PROTO_TRY,
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[AC_TRY_COMPILE([$1]
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AC_LANG_EXTERN
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[#if defined(__STDC__) || defined(__cplusplus)
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$2
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#else
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$3
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#endif
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], [], [$4], [$5])
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])dnl
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dnl
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dnl CL_PROTO_CONST(INCLUDES, ANSI-DECL, TRAD-DECL, CACHE-ID)
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define(CL_PROTO_CONST,
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[CL_PROTO_TRY([$1], [$2], [$3], $4="", $4="const")]
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)dnl
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dnl
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dnl CL_SILENT(ACTION)
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dnl performs ACTION, with AC_MSG_CHECKING and AC_MSG_RESULT being defined away.
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define(CL_SILENT,
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[pushdef([AC_MSG_CHECKING],[:])dnl
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pushdef([AC_CHECKING],[:])dnl
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pushdef([AC_MSG_RESULT],[:])dnl
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pushdef([AC_MSG_RESULTPROTO],[:])dnl
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$1[]dnl
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popdef([AC_MSG_RESULTPROTO])dnl
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popdef([AC_MSG_RESULT])dnl
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popdef([AC_CHECKING])dnl
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popdef([AC_MSG_CHECKING])dnl
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])dnl
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dnl
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AC_DEFUN(CL_AS_UNDERSCORE,
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[AC_BEFORE([$0], [CL_GLOBAL_CONSTRUCTORS])
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AC_CACHE_CHECK(for underscore in external names, cl_cv_prog_as_underscore, [
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cat > conftest.c <<EOF
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int foo() { return 0; }
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EOF
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# look for the assembly language name in the .s file
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AC_TRY_COMMAND(${CC-cc} -S conftest.c) >/dev/null 2>&1
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if grep _foo conftest.s >/dev/null ; then
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cl_cv_prog_as_underscore=yes
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else
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cl_cv_prog_as_underscore=no
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fi
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rm -f conftest*
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])
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if test $cl_cv_prog_as_underscore = yes; then
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AS_UNDERSCORE=true
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AC_DEFINE(ASM_UNDERSCORE)
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else
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AS_UNDERSCORE=false
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fi
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AC_SUBST(AS_UNDERSCORE)dnl
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])dnl
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dnl
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AC_DEFUN(CL_PROG_RANLIB, [AC_CHECK_PROG(RANLIB, ranlib, ranlib, true)])dnl
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dnl
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AC_DEFUN(CL_PROG_INSTALL,
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[dnl This is mostly copied from AC_PROG_INSTALL.
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# Find a good install program. We prefer a C program (faster),
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# so one script is as good as another. But avoid the broken or
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# incompatible versions:
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# SysV /etc/install, /usr/sbin/install
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# SunOS /usr/etc/install
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# IRIX /sbin/install
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# AIX /bin/install
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# AFS /usr/afsws/bin/install, which mishandles nonexistent args
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# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
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# ./install, which can be erroneously created by make from ./install.sh.
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AC_MSG_CHECKING(for a BSD compatible install)
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if test -z "$INSTALL"; then
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AC_CACHE_VAL(cl_cv_path_install,
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[ IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
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for ac_dir in $PATH; do
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# Account for people who put trailing slashes in PATH elements.
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case "$ac_dir/" in
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/|./|.//|/etc/*|/usr/sbin/*|/usr/etc/*|/sbin/*|/usr/afsws/bin/*|/usr/ucb/*) ;;
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*)
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# OSF1 and SCO ODT 3.0 have their own names for install.
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for ac_prog in ginstall installbsd scoinst install; do
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if test -f $ac_dir/$ac_prog; then
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if test $ac_prog = install &&
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grep dspmsg $ac_dir/$ac_prog >/dev/null 2>&1; then
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# AIX install. It has an incompatible calling convention.
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# OSF/1 installbsd also uses dspmsg, but is usable.
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:
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else
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if test $ac_prog = installbsd &&
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grep src/bos $ac_dir/$ac_prog >/dev/null 2>&1; then
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# AIX installbsd doesn't work without option "-g".
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:
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else
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cl_cv_path_install="$ac_dir/$ac_prog -c"
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break 2
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fi
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fi
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fi
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done
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;;
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esac
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done
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IFS="$ac_save_ifs"
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# As a last resort, use cp.
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test -z "$cl_cv_path_install" && cl_cv_path_install="cp"
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])dnl
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INSTALL="$cl_cv_path_install"
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fi
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dnl We do special magic for INSTALL instead of AC_SUBST, to get
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dnl relative paths right.
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AC_MSG_RESULT($INSTALL)
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AC_SUBST(INSTALL)dnl
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# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
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# It thinks the first close brace ends the variable substitution.
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test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='$(INSTALL)'
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AC_SUBST(INSTALL_PROGRAM)dnl
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if test -z "$INSTALL_DATA"; then
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case "$INSTALL" in
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cp | */cp ) INSTALL_DATA='$(INSTALL)' ;;
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* ) INSTALL_DATA='$(INSTALL) -m 644' ;;
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esac
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fi
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AC_SUBST(INSTALL_DATA)dnl
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])dnl
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dnl
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AC_DEFUN(CL_CANONICAL_HOST,
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[AC_REQUIRE([AC_PROG_CC]) dnl Actually: AC_REQUIRE([CL_CC_WORKS])
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dnl Set ac_aux_dir before the cache check, because AM_PROG_LIBTOOL needs it.
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ac_aux_dir=${srcdir}/$1
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AC_CACHE_CHECK(host system type, cl_cv_host, [
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dnl A substitute for AC_CONFIG_AUX_DIR_DEFAULT, so we don't need install.sh.
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ac_config_guess=$ac_aux_dir/config.guess
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ac_config_sub=$ac_aux_dir/config.sub
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dnl Mostly copied from AC_CANONICAL_HOST.
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# Make sure we can run config.sub.
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if $ac_config_sub sun4 >/dev/null 2>&1; then :
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else AC_MSG_ERROR(can not run $ac_config_sub)
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fi
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host_alias=$host
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case "$host_alias" in
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NONE)
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case $nonopt in
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NONE) dnl config.guess needs to compile things
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host_alias=`export CC; $ac_config_guess` ;;
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*) host_alias=$nonopt ;;
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esac ;;
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esac
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# Don't fail just because the system is not listed in GNU's database.
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if test -n "$host_alias"; then
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host=`$ac_config_sub $host_alias`
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else
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host=unknown-unknown-unknown
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fi
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cl_cv_host="$host"
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])
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host="$cl_cv_host"
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changequote(,)dnl
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host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
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host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
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host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
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changequote([,])dnl
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AC_SUBST(host)dnl
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AC_SUBST(host_cpu)dnl
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AC_SUBST(host_vendor)dnl
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AC_SUBST(host_os)dnl
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])dnl
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dnl
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AC_DEFUN(CL_CANONICAL_HOST_CPU,
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[AC_REQUIRE([CL_CANONICAL_HOST])AC_REQUIRE([AC_PROG_CC])
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case "$host_cpu" in
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changequote(,)dnl
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i[4567]86 )
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host_cpu=i386
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;;
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alphaev[4-7] | alphaev56 | alphapca5[67] )
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host_cpu=alpha
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;;
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hppa1.0 | hppa1.1 | hppa2.0 )
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host_cpu=hppa
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;;
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powerpc )
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host_cpu=rs6000
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;;
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c1 | c2 | c32 | c34 | c38 | c4 )
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host_cpu=convex
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;;
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changequote([,])dnl
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mips )
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AC_CACHE_CHECK([for 64-bit MIPS], cl_cv_host_mips64, [
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AC_EGREP_CPP(yes,
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[#if defined(_MIPS_SZLONG)
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#if (_MIPS_SZLONG == 64)
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/* We should also check for (_MIPS_SZPTR == 64), but gcc keeps this at 32. */
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yes
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#endif
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#endif
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], cl_cv_host_mips64=yes, cl_cv_host_mips64=no)
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])
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if test $cl_cv_host_mips64 = yes; then
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host_cpu=mips64
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fi
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;;
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dnl UltraSPARCs running Linux have `uname -m` = "sparc64", but the C compiler
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dnl still generates 32-bit code.
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sparc | sparc64 )
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AC_CACHE_CHECK([for 64-bit SPARC], cl_cv_host_sparc64, [
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AC_EGREP_CPP(yes,
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[#if defined(__sparcv9) || defined(__arch64__)
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yes
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#endif
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], cl_cv_host_sparc64=yes, cl_cv_host_sparc64=no)
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])
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if test $cl_cv_host_sparc64 = yes; then
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host_cpu=sparc64
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else
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host_cpu=sparc
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fi
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;;
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esac
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dnl was AC_DEFINE_UNQUOTED(__${host_cpu}__) but KAI C++ 3.2d doesn't like this
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cat >> confdefs.h <<EOF
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#ifndef __${host_cpu}__
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#define __${host_cpu}__ 1
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#endif
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EOF
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])dnl
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dnl
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AC_DEFUN(CL_LONGLONG,
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[AC_CACHE_CHECK(for long long type, cl_cv_c_longlong, [
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AC_TRY_RUN([int main()
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{
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/* long longs don't work right with gcc-2.7.2 on m68k */
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/* long longs don't work right with gcc-2.7.2 on rs6000: avcall/tests.c gets
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miscompiled. */
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#ifdef __GNUC__
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#if defined(__m68k__) || (defined(_IBMR2) || defined(__powerpc))
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#if (__GNUC__ == 2)
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#if (__GNUC_MINOR__ <= 7)
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exit(1);
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#endif
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#endif
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#endif
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#endif
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{ long x = 944938507; long y = 737962842; long z = 162359677;
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exit(!(((long long) x)*((long long) y)>>32 == z));
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}
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}],
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cl_cv_c_longlong=yes, cl_cv_c_longlong=no,
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dnl When cross-compiling, don't assume anything.
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cl_cv_c_longlong="guessing no")
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])
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case "$cl_cv_c_longlong" in
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*yes) AC_DEFINE(HAVE_LONGLONG) ;;
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*no) ;;
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esac
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])dnl
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dnl
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AC_DEFUN(CL_LONGDOUBLE,
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[AC_CACHE_CHECK(for long double type, cl_cv_c_longdouble, [
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AC_TRY_RUN([int main()
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{ long double x = 2.7182818284590452354L; x = x*x; exit (x==0.0L); }],
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cl_cv_c_longdouble=yes, cl_cv_c_longdouble=no,
|
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dnl When cross-compiling, don't assume anything.
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cl_cv_c_longdouble="guessing no")
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|
])
|
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case "$cl_cv_c_longdouble" in
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*yes) AC_DEFINE(HAVE_LONGDOUBLE) ;;
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*no) ;;
|
|
esac
|
|
])dnl
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|
dnl
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|
AC_DEFUN(CL_TEMPLATE_NULL,
|
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[CL_COMPILE_CHECK([working template<>], cl_cv_c_templatenull,
|
|
[template <class T> class c {}; template <> class c<int> { int x; };], ,
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|
AC_DEFINE(HAVE_TEMPLATE_NULL))
|
|
])dnl
|
|
dnl
|
|
AC_DEFUN(CL_UNISTD_H,
|
|
[AC_CHECK_HEADERS(unistd.h)]
|
|
)dnl
|
|
dnl
|
|
AC_DEFUN(CL_ALLOCA,
|
|
[# The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
|
|
# for constant arguments. Useless!
|
|
CL_LINK_CHECK(working alloca.h, cl_cv_header_alloca_h,
|
|
[#include <alloca.h>], [char *p = (char *) alloca(2 * sizeof(int));],
|
|
AC_DEFINE(HAVE_ALLOCA_H))dnl
|
|
decl="#ifdef __GNUC__
|
|
#define alloca __builtin_alloca
|
|
#else
|
|
#ifdef _MSC_VER
|
|
#include <malloc.h>
|
|
#define alloca _alloca
|
|
#else
|
|
#ifdef HAVE_ALLOCA_H
|
|
#include <alloca.h>
|
|
#else
|
|
#ifdef _AIX
|
|
#pragma alloca
|
|
#else
|
|
#ifndef alloca
|
|
char *alloca ();
|
|
#endif
|
|
#endif
|
|
#endif
|
|
#endif
|
|
#endif
|
|
"
|
|
CL_LINK_CHECK([alloca], cl_cv_func_alloca,
|
|
$decl, [char *p = (char *) alloca(1);],
|
|
, [alloca_missing=1])dnl
|
|
if test -n "$alloca_missing"; then
|
|
# The SVR3 libPW and SVR4 libucb both contain incompatible functions
|
|
# that cause trouble. Some versions do not even contain alloca or
|
|
# contain a buggy version. If you still want to use their alloca,
|
|
# use ar to extract alloca.o from them instead of compiling alloca.c.
|
|
ALLOCA=alloca.${ac_objext}
|
|
AC_DEFINE(NO_ALLOCA)
|
|
fi
|
|
AC_SUBST(ALLOCA)dnl
|
|
])dnl
|
|
dnl
|
|
AC_DEFUN(CL_FPU_CONTROL,
|
|
[dnl Check for Linux with <fpu_control.h> and fpu_control_t or __setfpucw().
|
|
dnl glibc versions since October 1998 define fpu_control_t. Earlier versions
|
|
dnl define and declare __setfpucw(). Very early Linux libc versions have none,
|
|
dnl and __fpu_control is of type `unsigned short'.
|
|
CL_COMPILE_CHECK([fpu_control_t], cl_cv_type_fpu_control_t,
|
|
[#include <fpu_control.h>], [fpu_control_t x;],
|
|
AC_DEFINE(HAVE_FPU_CONTROL_T))
|
|
CL_COMPILE_CHECK([__setfpucw], cl_cv_func_setfpucw,
|
|
[#include <fpu_control.h>], [__setfpucw(_FPU_IEEE);],
|
|
AC_DEFINE(HAVE_SETFPUCW))
|
|
])dnl
|
|
dnl
|
|
AC_DEFUN(CL_PERROR,
|
|
[AC_MSG_CHECKING(for perror declaration)
|
|
AC_CACHE_VAL(cl_cv_proto_perror, [
|
|
AC_TRY_COMPILE([
|
|
/* Some systems declare perror() in <errno.h>, some in <stdio.h>, some don't
|
|
declare it at all. */
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
]AC_LANG_EXTERN[double perror ();], [],
|
|
cl_cv_proto_perror=no, cl_cv_proto_perror=yes)
|
|
])
|
|
AC_MSG_RESULT([$cl_cv_proto_perror])
|
|
if test $cl_cv_proto_perror = yes; then
|
|
AC_DEFINE(HAVE_PERROR_DECL)
|
|
fi
|
|
])dnl
|
|
dnl
|
|
AC_DEFUN(CL_RUSAGE,
|
|
[AC_CHECK_HEADERS(sys/resource.h sys/times.h)dnl
|
|
if test $ac_cv_header_sys_resource_h = yes; then
|
|
dnl HAVE_SYS_RESOURCE_H defined
|
|
CL_LINK_CHECK([getrusage], cl_cv_func_getrusage,
|
|
[#include <sys/types.h> /* NetBSD 1.0 needs this */
|
|
#include <sys/time.h>
|
|
#include <sys/resource.h>],
|
|
[struct rusage x; int y = RUSAGE_SELF; getrusage(y,&x); x.ru_utime.tv_sec;],
|
|
AC_DEFINE(HAVE_GETRUSAGE))dnl
|
|
if test $cl_cv_func_getrusage = yes; then
|
|
CL_PROTO([getrusage], [
|
|
CL_PROTO_TRY([
|
|
#include <stdlib.h>
|
|
#ifdef HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
#include <sys/types.h> /* NetBSD 1.0 needs this */
|
|
#include <sys/time.h>
|
|
#include <sys/resource.h>
|
|
],
|
|
[int getrusage (int who, struct rusage * rusage);],
|
|
[int getrusage();],
|
|
[cl_cv_proto_getrusage_arg1="int"],
|
|
[cl_cv_proto_getrusage_arg1="enum __rusage_who"])
|
|
], [extern int getrusage ($cl_cv_proto_getrusage_arg1, struct rusage *);])
|
|
AC_DEFINE_UNQUOTED(RUSAGE_WHO_T,$cl_cv_proto_getrusage_arg1)
|
|
fi
|
|
fi
|
|
])dnl
|
|
dnl
|
|
AC_DEFUN(CL_GETTIMEOFDAY,
|
|
[AC_BEFORE([$0], [CL_TIMES_CLOCK])
|
|
AC_CHECK_FUNCS(gettimeofday)dnl
|
|
if test $ac_cv_func_gettimeofday = yes; then
|
|
dnl HAVE_GETTIMEOFDAY is defined
|
|
CL_PROTO([gettimeofday], [
|
|
CL_PROTO_TRY([
|
|
#include <sys/types.h>
|
|
#include <sys/time.h>
|
|
], [int gettimeofday (struct timeval * tp, struct timezone * tzp);],
|
|
[int gettimeofday();],
|
|
cl_cv_proto_gettimeofday_dots=no
|
|
cl_cv_proto_gettimeofday_arg2="struct timezone *",
|
|
CL_PROTO_TRY([
|
|
#include <sys/types.h>
|
|
#include <sys/time.h>
|
|
], [int gettimeofday (struct timeval * tp, void * tzp);],
|
|
[int gettimeofday();],
|
|
cl_cv_proto_gettimeofday_dots=no
|
|
cl_cv_proto_gettimeofday_arg2="void *",
|
|
cl_cv_proto_gettimeofday_dots=yes
|
|
cl_cv_proto_gettimeofday_arg2="..."))
|
|
], [extern int gettimeofday (struct timeval *, $cl_cv_proto_gettimeofday_arg2);])
|
|
if test $cl_cv_proto_gettimeofday_dots = yes; then
|
|
AC_DEFINE(GETTIMEOFDAY_DOTS)
|
|
else
|
|
AC_DEFINE_UNQUOTED(GETTIMEOFDAY_TZP_T,$cl_cv_proto_gettimeofday_arg2)
|
|
fi
|
|
fi
|
|
])dnl
|
|
dnl
|
|
AC_DEFUN(CL_FTIME,
|
|
[AC_BEFORE([$0], [CL_TIMES_CLOCK])
|
|
AC_CHECK_FUNCS(ftime)])dnl
|
|
dnl
|
|
AC_DEFUN(CL_TIMES_CLOCK,
|
|
[AC_REQUIRE([CL_GETTIMEOFDAY])dnl
|
|
AC_REQUIRE([CL_FTIME])dnl
|
|
if test $ac_cv_func_gettimeofday = no -a $ac_cv_func_ftime = no; then
|
|
AC_CHECK_FUNC(times, , no_times=1)dnl
|
|
if test -z "$no_times"; then
|
|
AC_CACHE_CHECK(for times return value, cl_cv_func_times_return, [
|
|
AC_TRY_RUN([
|
|
#include <sys/types.h>
|
|
#include <time.h> /* needed for CLK_TCK */
|
|
#ifndef CLK_TCK
|
|
#include <sys/time.h> /* needed for CLK_TCK on SYSV PTX */
|
|
#endif
|
|
#include <sys/times.h>
|
|
int main ()
|
|
{ struct tms buffer;
|
|
clock_t result1;
|
|
clock_t result2;
|
|
int ticks;
|
|
result1 = times(&buffer);
|
|
if ((result1 == (clock_t)0) || (result1 == (clock_t)(-1))) exit(1);
|
|
sleep(1);
|
|
result2 = times(&buffer);
|
|
if ((result2 == (clock_t)0) || (result2 == (clock_t)(-1))) exit(1);
|
|
ticks = result2 - result1;
|
|
exit(!((ticks >= CLK_TCK/2) && (ticks <= 3*CLK_TCK/2)));
|
|
}], cl_cv_func_times_return=yes, cl_cv_func_times_return=no,
|
|
dnl When cross-compiling, don't assume anything.
|
|
cl_cv_func_times_return="guessing no")
|
|
])
|
|
case "$cl_cv_func_times_return" in
|
|
*yes) AC_DEFINE(HAVE_TIMES_CLOCK) ;;
|
|
*no) ;;
|
|
esac
|
|
fi
|
|
fi
|
|
])dnl
|
|
dnl
|
|
AC_DEFUN(CL_GLOBAL_CONSTRUCTORS,
|
|
[AC_REQUIRE([CL_AS_UNDERSCORE])dnl
|
|
if test -n "$GCC"; then
|
|
AC_CACHE_CHECK(for the global constructors function prefix,
|
|
cl_cv_cplusplus_ctorprefix, [
|
|
cat > conftest.cc << EOF
|
|
struct foo { foo (); };
|
|
foo foobar;
|
|
EOF
|
|
# look for the assembly language name in the .s file
|
|
AC_TRY_COMMAND(${CXX-g++} $CXXFLAGS -S conftest.cc) >/dev/null 2>&1
|
|
if grep '_GLOBAL_\$I\$foobar' conftest.s >/dev/null ; then
|
|
cl_cv_cplusplus_ctorprefix='_GLOBAL_$I$'
|
|
else
|
|
if grep '_GLOBAL_\.I\.foobar' conftest.s >/dev/null ; then
|
|
cl_cv_cplusplus_ctorprefix='_GLOBAL_.I.'
|
|
else
|
|
if grep '_GLOBAL__I_foobar' conftest.s >/dev/null ; then
|
|
cl_cv_cplusplus_ctorprefix='_GLOBAL__I_'
|
|
else
|
|
cl_cv_cplusplus_ctorprefix=unknown
|
|
fi
|
|
fi
|
|
fi
|
|
rm -f conftest*
|
|
])
|
|
if test "$cl_cv_cplusplus_ctorprefix" '!=' unknown; then
|
|
ac_value='"'"$cl_cv_cplusplus_ctorprefix"'"'
|
|
AC_DEFINE_UNQUOTED(CL_GLOBAL_CONSTRUCTOR_PREFIX,$ac_value)
|
|
ac_value=`echo "$ac_value" | sed -e 's,I,D,'`
|
|
AC_DEFINE_UNQUOTED(CL_GLOBAL_DESTRUCTOR_PREFIX,$ac_value)
|
|
dnl Check whether the global constructors/destructors functions are file-scope
|
|
dnl only by default. This is the case in egcs-1.1.2 or newer.
|
|
AC_CACHE_CHECK(whether the global constructors function need to be exported,
|
|
cl_cv_cplusplus_ctorexport, [
|
|
cat > conftest1.cc << EOF
|
|
struct foo { foo (); };
|
|
foo foobar;
|
|
EOF
|
|
cat > conftest2.cc << EOF
|
|
#include "confdefs.h"
|
|
#ifdef ASM_UNDERSCORE
|
|
#define ASM_UNDERSCORE_PREFIX "_"
|
|
#else
|
|
#define ASM_UNDERSCORE_PREFIX ""
|
|
#endif
|
|
struct foo { foo (); };
|
|
foo::foo () {}
|
|
extern "C" void ctor (void) __asm__ (ASM_UNDERSCORE_PREFIX CL_GLOBAL_CONSTRUCTOR_PREFIX "foobar");
|
|
int main() { ctor(); return 0; }
|
|
EOF
|
|
if AC_TRY_COMMAND(${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest1.cc conftest2.cc $LIBS 1>&5) >/dev/null 2>&1 && test -s conftest${ac_exeext}; then
|
|
cl_cv_cplusplus_ctorexport=no
|
|
else
|
|
cl_cv_cplusplus_ctorexport=yes
|
|
fi
|
|
rm -f conftest*
|
|
])
|
|
if test "$cl_cv_cplusplus_ctorexport" = yes; then
|
|
AC_DEFINE(CL_NEED_GLOBALIZE_CTORDTOR)
|
|
fi
|
|
fi
|
|
fi
|
|
])dnl
|
|
dnl
|
|
AC_DEFUN(CL_CHAR_UNSIGNED,
|
|
[dnl This is mostly copied from AC_C_CHAR_UNSIGNED.
|
|
AC_CACHE_CHECK(whether characters are unsigned, ac_cv_c_char_unsigned, [
|
|
if test $ac_cv_prog_gcc = yes; then
|
|
# GCC predefines this symbol on systems where it applies.
|
|
AC_EGREP_CPP(yes,
|
|
[#ifdef __CHAR_UNSIGNED__
|
|
yes
|
|
#endif
|
|
], ac_cv_c_char_unsigned=yes, ac_cv_c_char_unsigned=no)
|
|
else
|
|
AC_TRY_RUN(
|
|
[/* volatile prevents gcc2 from optimizing the test away on sparcs. */
|
|
#if !defined(__STDC__) || __STDC__ != 1
|
|
#define volatile
|
|
#endif
|
|
int main() {
|
|
volatile char c = 255; exit(c < 0);
|
|
}], ac_cv_c_char_unsigned=yes, ac_cv_c_char_unsigned=no,
|
|
ac_cv_c_char_unsigned="guessing no")
|
|
fi])
|
|
if test $ac_cv_prog_gcc = no; then
|
|
# GCC defines __CHAR_UNSIGNED__ by itself, no need to fix up.
|
|
case "$ac_cv_c_char_unsigned" in
|
|
*yes) AC_DEFINE(__CHAR_UNSIGNED__) ;;
|
|
*no) ;;
|
|
esac
|
|
fi
|
|
])dnl
|
|
dnl
|
|
AC_DEFUN(CL_BOOL,
|
|
[AC_LANG_SAVE()
|
|
AC_LANG_CPLUSPLUS()
|
|
CL_COMPILE_CHECK([bool type], cl_cv_cplusplus_bool, , [bool x;],
|
|
AC_DEFINE(HAVE_BOOL), AC_DEFINE(bool,int))dnl
|
|
AC_LANG_RESTORE()
|
|
])dnl
|
|
dnl
|
|
AC_DEFUN(CL_MACHINE,
|
|
[AC_REQUIRE([AC_PROG_CC])dnl
|
|
AC_REQUIRE([CL_CHAR_UNSIGNED])dnl
|
|
cl_machine_file_c=$2
|
|
cl_machine_file_h=$3
|
|
if test $cross_compiling = no; then
|
|
if test -z "$[$4]"; then
|
|
AC_CHECKING(for [$1])
|
|
cat > conftest.$ac_ext <<EOF
|
|
#include "confdefs.h"
|
|
EOF
|
|
cat "$cl_machine_file_c" >> conftest.$ac_ext
|
|
AC_TRY_EVAL(ac_link)
|
|
if test -s conftest; then
|
|
echo "creating $cl_machine_file_h"
|
|
./conftest > conftest.h
|
|
if cmp -s "$cl_machine_file_h" conftest.h 2>/dev/null; then
|
|
# The file exists and we would not be changing it
|
|
rm -f conftest.h
|
|
else
|
|
rm -f "$cl_machine_file_h"
|
|
mv conftest.h "$cl_machine_file_h"
|
|
fi
|
|
[$4]=1
|
|
else
|
|
echo "creation of $cl_machine_file_h failed"
|
|
fi
|
|
rm -f conftest*
|
|
fi
|
|
else
|
|
echo "cross-compiling - cannot create $cl_machine_file_h"
|
|
fi
|
|
])dnl
|
|
dnl
|
|
## libtool.m4 - Configure libtool for the target system. -*-Shell-script-*-
|
|
## Copyright (C) 1996-1998 Free Software Foundation, Inc.
|
|
## Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
|
|
##
|
|
## This program is free software; you can redistribute it and/or modify
|
|
## it under the terms of the GNU General Public License as published by
|
|
## the Free Software Foundation; either version 2 of the License, or
|
|
## (at your option) any later version.
|
|
##
|
|
## This program is distributed in the hope that it will be useful, but
|
|
## WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
## General Public License for more details.
|
|
##
|
|
## You should have received a copy of the GNU General Public License
|
|
## along with this program; if not, write to the Free Software
|
|
## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
##
|
|
## As a special exception to the GNU General Public License, if you
|
|
## distribute this file as part of a program that contains a
|
|
## configuration script generated by Autoconf, you may include it under
|
|
## the same distribution terms that you use for the rest of that program.
|
|
|
|
# serial 24 AM_PROG_LIBTOOL
|
|
AC_DEFUN(AM_PROG_LIBTOOL,
|
|
[AC_REQUIRE([AM_ENABLE_SHARED])dnl
|
|
AC_REQUIRE([AM_ENABLE_STATIC])dnl
|
|
AC_REQUIRE([CL_CANONICAL_HOST])dnl
|
|
AC_REQUIRE([CL_PROG_RANLIB])dnl
|
|
AC_REQUIRE([AC_PROG_CC])dnl
|
|
AC_REQUIRE([AM_PROG_LD])dnl
|
|
AC_REQUIRE([AM_PROG_NM])dnl
|
|
AC_REQUIRE([AC_PROG_LN_S])dnl
|
|
dnl
|
|
# Always use our own libtool.
|
|
LIBTOOL='$(SHELL) $(top_builddir)/libtool'
|
|
AC_SUBST(LIBTOOL)dnl
|
|
|
|
# Check for any special flags to pass to ltconfig.
|
|
libtool_flags=
|
|
test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
|
|
test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
|
|
test "$silent" = yes && libtool_flags="$libtool_flags --silent"
|
|
test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
|
|
test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"
|
|
|
|
# Some flags need to be propagated to the compiler or linker for good
|
|
# libtool support.
|
|
case "$host" in
|
|
*-*-irix6*)
|
|
# Find out which ABI we are using.
|
|
echo '[#]line __oline__ "configure"' > conftest.$ac_ext
|
|
if AC_TRY_EVAL(ac_compile); then
|
|
case "`/usr/bin/file conftest.o`" in
|
|
*32-bit*)
|
|
LD="${LD-ld} -32"
|
|
;;
|
|
*N32*)
|
|
LD="${LD-ld} -n32"
|
|
;;
|
|
*64-bit*)
|
|
LD="${LD-ld} -64"
|
|
;;
|
|
esac
|
|
fi
|
|
rm -rf conftest*
|
|
;;
|
|
|
|
*-*-sco3.2v5*)
|
|
# On SCO OpenServer 5, we need -belf to get full-featured binaries.
|
|
CFLAGS="$CFLAGS -belf"
|
|
;;
|
|
esac
|
|
|
|
# Actually configure libtool. ac_aux_dir is where install-sh is found.
|
|
CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
|
|
LD="$LD" NM="$NM" RANLIB="$RANLIB" LN_S="$LN_S" \
|
|
${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig \
|
|
$libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \
|
|
|| AC_MSG_ERROR([libtool configure failed])
|
|
])
|
|
|
|
# AM_ENABLE_SHARED - implement the --enable-shared flag
|
|
# Usage: AM_ENABLE_SHARED[(DEFAULT)]
|
|
# Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
|
|
# `yes'.
|
|
AC_DEFUN(AM_ENABLE_SHARED,
|
|
[define([AM_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
|
|
AC_ARG_ENABLE(shared,
|
|
changequote(<<, >>)dnl
|
|
<< --enable-shared build shared libraries [default=>>AM_ENABLE_SHARED_DEFAULT]
|
|
changequote([, ])dnl
|
|
[ --enable-shared=PKGS only build shared libraries if the current package
|
|
appears as an element in the PKGS list],
|
|
[p=${PACKAGE-default}
|
|
case "$enableval" in
|
|
yes) enable_shared=yes ;;
|
|
no) enable_shared=no ;;
|
|
*)
|
|
enable_shared=no
|
|
# Look at the argument we got. We use all the common list separators.
|
|
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
|
|
for pkg in $enableval; do
|
|
if test "X$pkg" = "X$p"; then
|
|
enable_shared=yes
|
|
fi
|
|
done
|
|
IFS="$ac_save_ifs"
|
|
;;
|
|
esac],
|
|
enable_shared=AM_ENABLE_SHARED_DEFAULT)dnl
|
|
])
|
|
|
|
# AM_DISABLE_SHARED - set the default shared flag to --disable-shared
|
|
AC_DEFUN(AM_DISABLE_SHARED,
|
|
[AM_ENABLE_SHARED(no)])
|
|
|
|
# AM_DISABLE_STATIC - set the default static flag to --disable-static
|
|
AC_DEFUN(AM_DISABLE_STATIC,
|
|
[AM_ENABLE_STATIC(no)])
|
|
|
|
# AM_ENABLE_STATIC - implement the --enable-static flag
|
|
# Usage: AM_ENABLE_STATIC[(DEFAULT)]
|
|
# Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
|
|
# `yes'.
|
|
AC_DEFUN(AM_ENABLE_STATIC,
|
|
[define([AM_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
|
|
AC_ARG_ENABLE(static,
|
|
changequote(<<, >>)dnl
|
|
<< --enable-static build static libraries [default=>>AM_ENABLE_STATIC_DEFAULT]
|
|
changequote([, ])dnl
|
|
[ --enable-static=PKGS only build shared libraries if the current package
|
|
appears as an element in the PKGS list],
|
|
[p=${PACKAGE-default}
|
|
case "$enableval" in
|
|
yes) enable_static=yes ;;
|
|
no) enable_static=no ;;
|
|
*)
|
|
enable_static=no
|
|
# Look at the argument we got. We use all the common list separators.
|
|
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
|
|
for pkg in $enableval; do
|
|
if test "X$pkg" = "X$p"; then
|
|
enable_static=yes
|
|
fi
|
|
done
|
|
IFS="$ac_save_ifs"
|
|
;;
|
|
esac],
|
|
enable_static=AM_ENABLE_STATIC_DEFAULT)dnl
|
|
])
|
|
|
|
|
|
# AM_PROG_LD - find the path to the GNU or non-GNU linker
|
|
AC_DEFUN(AM_PROG_LD,
|
|
[AC_ARG_WITH(gnu-ld,
|
|
[ --with-gnu-ld assume the C compiler uses GNU ld [default=no]],
|
|
test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
|
|
AC_REQUIRE([AC_PROG_CC])
|
|
ac_prog=ld
|
|
if test "$ac_cv_prog_gcc" = yes; then
|
|
# Check if gcc -print-prog-name=ld gives a path.
|
|
AC_MSG_CHECKING([for ld used by GCC])
|
|
ac_prog=`($CC -print-prog-name=ld) 2>&5`
|
|
case "$ac_prog" in
|
|
# Accept absolute paths.
|
|
/* | [A-Za-z]:\\*)
|
|
test -z "$LD" && LD="$ac_prog"
|
|
;;
|
|
"")
|
|
# If it fails, then pretend we aren't using GCC.
|
|
ac_prog=ld
|
|
;;
|
|
*)
|
|
# If it is relative, then search for the first ld in PATH.
|
|
with_gnu_ld=unknown
|
|
;;
|
|
esac
|
|
elif test "$with_gnu_ld" = yes; then
|
|
AC_MSG_CHECKING([for GNU ld])
|
|
else
|
|
AC_MSG_CHECKING([for non-GNU ld])
|
|
fi
|
|
AC_CACHE_VAL(ac_cv_path_LD,
|
|
[if test -z "$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
|
|
ac_cv_path_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 "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
|
|
test "$with_gnu_ld" != no && break
|
|
else
|
|
test "$with_gnu_ld" != yes && break
|
|
fi
|
|
fi
|
|
done
|
|
IFS="$ac_save_ifs"
|
|
else
|
|
ac_cv_path_LD="$LD" # Let the user override the test with a path.
|
|
fi])
|
|
LD="$ac_cv_path_LD"
|
|
if test -n "$LD"; then
|
|
AC_MSG_RESULT($LD)
|
|
else
|
|
AC_MSG_RESULT(no)
|
|
fi
|
|
test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
|
|
AC_SUBST(LD)
|
|
AM_PROG_LD_GNU
|
|
])
|
|
|
|
AC_DEFUN(AM_PROG_LD_GNU,
|
|
[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld,
|
|
[# I'd rather use --version here, but apparently some GNU ld's only accept -v.
|
|
if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
|
|
ac_cv_prog_gnu_ld=yes
|
|
else
|
|
ac_cv_prog_gnu_ld=no
|
|
fi])
|
|
])
|
|
|
|
# AM_PROG_NM - find the path to a BSD-compatible name lister
|
|
AC_DEFUN(AM_PROG_NM,
|
|
[AC_MSG_CHECKING([for BSD-compatible nm])
|
|
AC_CACHE_VAL(ac_cv_path_NM,
|
|
[case "$NM" in
|
|
/* | [A-Za-z]:\\*)
|
|
ac_cv_path_NM="$NM" # Let the user override the test with a path.
|
|
;;
|
|
*)
|
|
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
|
|
for ac_dir in /usr/ucb /usr/ccs/bin $PATH /bin; do
|
|
test -z "$ac_dir" && ac_dir=.
|
|
if test -f $ac_dir/nm; then
|
|
# Check to see if the nm accepts a BSD-compat flag.
|
|
# Adding the `sed 1q' prevents false positives on HP-UX, which says:
|
|
# nm: unknown option "B" ignored
|
|
if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
|
|
ac_cv_path_NM="$ac_dir/nm -B"
|
|
elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
|
|
ac_cv_path_NM="$ac_dir/nm -p"
|
|
else
|
|
ac_cv_path_NM="$ac_dir/nm"
|
|
fi
|
|
break
|
|
fi
|
|
done
|
|
IFS="$ac_save_ifs"
|
|
test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm
|
|
;;
|
|
esac])
|
|
NM="$ac_cv_path_NM"
|
|
AC_MSG_RESULT([$NM])
|
|
AC_SUBST(NM)
|
|
])
|
|
|
|
# Is the gmp header file new enough? (should be implemented with an argument)
|
|
AC_DEFUN(CL_GMP_H_VERSION,
|
|
[AC_CACHE_CHECK([for recent enough gmp.h], cl_cv_new_gmp_h, [
|
|
AC_TRY_CPP([#include <gmp.h>
|
|
#if !defined(__GNU_MP_VERSION) || (__GNU_MP_VERSION < 3)
|
|
#error "ancient gmp.h"
|
|
#endif],
|
|
cl_cv_new_gmp_h="yes", cl_cv_new_gmp_h="no")
|
|
])])dnl
|
|
|
|
# Does libgmp provide some functionality introduced in version 3.0?
|
|
AC_DEFUN(CL_GMP_CHECK,
|
|
[AC_CACHE_CHECK([for working libgmp], cl_cv_new_libgmp, [
|
|
SAVELIBS=$LIBS
|
|
LIBS="$LIBS -lgmp"
|
|
AC_TRY_LINK([#include <gmp.h>],[mpn_divexact_by3(0,0,0)],
|
|
cl_cv_new_libgmp="yes", cl_cv_new_libgmp="no"; LIBS=$SAVELIBS)
|
|
])])
|
|
|
|
# What is sizeof(mp_limb_t)? (It has to match sizeof(uintD) later.)
|
|
AC_DEFUN(CL_GMP_SET_UINTD,
|
|
[AC_CACHE_CHECK([how large gmp demands uintD to be], cl_cv_gmp_set_uintd, [
|
|
AC_TRY_RUN([#include <stdio.h>
|
|
#include <gmp.h>
|
|
int main() {
|
|
FILE *f=fopen("conftestval", "w");
|
|
if (!f) return(1);
|
|
if (sizeof(mp_limb_t) > sizeof(long))
|
|
fprintf(f, "long long");
|
|
else if (sizeof(mp_limb_t) == sizeof(long))
|
|
fprintf(f, "long");
|
|
else if (sizeof(mp_limb_t) == sizeof(int))
|
|
fprintf(f, "int");
|
|
else return(1);
|
|
return(0);
|
|
}], cl_cv_gmp_set_uintd=`cat conftestval`; \
|
|
cl_gmp_demands="GMP_DEMANDS_UINTD_`echo ${cl_cv_gmp_set_uintd} | sed -e 'y/ gilnot/_GILNOT/'`";
|
|
AC_DEFINE_UNQUOTED($cl_gmp_demands),
|
|
AC_MSG_ERROR([CLN can't handle the result]),dnl
|
|
AC_MSG_ERROR([cross-compiling - cannot determine]))
|
|
])])
|