| dnl aclocal.m4 generated automatically by aclocal 1.4a | 
 |  | 
 | dnl Copyright (C) 1994, 1995-9, 2000 Free Software Foundation, Inc. | 
 | dnl This file is free software; the Free Software Foundation | 
 | dnl gives unlimited permission to copy and/or distribute it, | 
 | dnl with or without modifications, as long as this notice is preserved. | 
 |  | 
 | dnl This program is distributed in the hope that it will be useful, | 
 | dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without | 
 | dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A | 
 | dnl PARTICULAR PURPOSE. | 
 |  | 
 | dnl grub_ASM_USCORE checks if C symbols get an underscore after | 
 | dnl compiling to assembler. | 
 | dnl Written by Pavel Roskin. Based on grub_ASM_EXT_C written by | 
 | dnl Erich Boleyn and modified by OKUJI Yoshinori | 
 | AC_DEFUN(grub_ASM_USCORE, | 
 | [AC_REQUIRE([AC_PROG_CC]) | 
 | AC_MSG_CHECKING([if C symbols get an underscore after compilation]) | 
 | AC_CACHE_VAL(grub_cv_asm_uscore, | 
 | [cat > conftest.c <<\EOF | 
 | int | 
 | func (int *list) | 
 | { | 
 |   *list = 0; | 
 |   return *list; | 
 | } | 
 | EOF | 
 |  | 
 | if AC_TRY_COMMAND([${CC-cc} ${CFLAGS} -S conftest.c]) && test -s conftest.s; then | 
 |   true | 
 | else | 
 |   AC_MSG_ERROR([${CC-cc} failed to produce assembly code]) | 
 | fi | 
 |  | 
 | if grep _func conftest.s >/dev/null 2>&1; then | 
 |   grub_cv_asm_uscore=yes | 
 | else | 
 |   grub_cv_asm_uscore=no | 
 | fi | 
 |  | 
 | rm -f conftest*]) | 
 |  | 
 | if test "x$grub_cv_asm_uscore" = xyes; then | 
 |   AC_DEFINE_UNQUOTED([HAVE_ASM_USCORE], $grub_cv_asm_uscore, | 
 |     [Define if C symbols get an underscore after compilation]) | 
 | fi | 
 |  | 
 | AC_MSG_RESULT([$grub_cv_asm_uscore]) | 
 | ]) | 
 |  | 
 |  | 
 | dnl Some versions of `objcopy -O binary' vary their output depending | 
 | dnl on the link address. | 
 | AC_DEFUN(grub_PROG_OBJCOPY_ABSOLUTE, | 
 | [AC_MSG_CHECKING([whether ${OBJCOPY} works for absolute addresses]) | 
 | AC_CACHE_VAL(grub_cv_prog_objcopy_absolute, | 
 | [cat > conftest.c <<\EOF | 
 | void | 
 | cmain (void) | 
 | { | 
 |    *((int *) 0x1000) = 2; | 
 | } | 
 | EOF | 
 |  | 
 | if AC_TRY_EVAL(ac_compile) && test -s conftest.o; then : | 
 | else | 
 |   AC_MSG_ERROR([${CC-cc} cannot compile C source code]) | 
 | fi | 
 | grub_cv_prog_objcopy_absolute=yes | 
 | for link_addr in 2000 8000 7C00; do | 
 |   if AC_TRY_COMMAND([${CC-cc} ${CFLAGS} -nostdlib -Wl,-N -Wl,-Ttext -Wl,$link_addr conftest.o -o conftest.exec]); then : | 
 |   else | 
 |     AC_MSG_ERROR([${CC-cc} cannot link at address $link_addr]) | 
 |   fi | 
 |   if AC_TRY_COMMAND([${OBJCOPY-objcopy} -O binary conftest.exec conftest]); then : | 
 |   else | 
 |     AC_MSG_ERROR([${OBJCOPY-objcopy} cannot create binary files]) | 
 |   fi | 
 |   if test ! -f conftest.old || AC_TRY_COMMAND([cmp -s conftest.old conftest]); then | 
 |     mv -f conftest conftest.old | 
 |   else | 
 |     grub_cv_prog_objcopy_absolute=no | 
 |     break | 
 |   fi | 
 | done | 
 | rm -f conftest*]) | 
 | AC_MSG_RESULT([$grub_cv_prog_objcopy_absolute])]) | 
 |  | 
 | dnl Mass confusion! | 
 | dnl Older versions of GAS interpret `.code16' to mean ``generate 32-bit | 
 | dnl instructions, but implicitly insert addr32 and data32 bytes so | 
 | dnl that the code works in real mode''. | 
 | dnl | 
 | dnl Newer versions of GAS interpret `.code16' to mean ``generate 16-bit | 
 | dnl instructions,'' which seems right.  This requires the programmer | 
 | dnl to explicitly insert addr32 and data32 instructions when they want | 
 | dnl them. | 
 | dnl | 
 | dnl We only support the newer versions, because the old versions cause | 
 | dnl major pain, by requiring manual assembly to get 16-bit instructions into | 
 | dnl stage1/stage1.S. | 
 | AC_DEFUN(grub_ASM_ADDR32, | 
 | [AC_REQUIRE([AC_PROG_CC]) | 
 | AC_REQUIRE([grub_ASM_PREFIX_REQUIREMENT]) | 
 | AC_MSG_CHECKING([for .code16 addr32 assembler support]) | 
 | AC_CACHE_VAL(grub_cv_asm_addr32, | 
 | [cat > conftest.s.in <<\EOF | 
 | 	.code16 | 
 | l1:	@ADDR32@	movb	%al, l1 | 
 | EOF | 
 |  | 
 | if test "x$grub_cv_asm_prefix_requirement" = xyes; then | 
 |   sed -e s/@ADDR32@/addr32/ < conftest.s.in > conftest.s | 
 | else | 
 |   sed -e s/@ADDR32@/addr32\;/ < conftest.s.in > conftest.s | 
 | fi | 
 |  | 
 | if AC_TRY_COMMAND([${CC-cc} ${CFLAGS} -c conftest.s]) && test -s conftest.o; then | 
 |   grub_cv_asm_addr32=yes | 
 | else | 
 |   grub_cv_asm_addr32=no | 
 | fi | 
 |  | 
 | rm -f conftest*]) | 
 |  | 
 | AC_MSG_RESULT([$grub_cv_asm_addr32])]) | 
 |  | 
 | dnl | 
 | dnl Later versions of GAS requires that addr32 and data32 prefixes | 
 | dnl appear in the same lines as the instructions they modify, while | 
 | dnl earlier versions requires that they appear in separate lines. | 
 | AC_DEFUN(grub_ASM_PREFIX_REQUIREMENT, | 
 | [AC_REQUIRE([AC_PROG_CC]) | 
 | AC_MSG_CHECKING(dnl | 
 | [whether addr32 must be in the same line as the instruction]) | 
 | AC_CACHE_VAL(grub_cv_asm_prefix_requirement, | 
 | [cat > conftest.s <<\EOF | 
 | 	.code16 | 
 | l1:	addr32	movb	%al, l1 | 
 | EOF | 
 |  | 
 | if AC_TRY_COMMAND([${CC-cc} ${CFLAGS} -c conftest.s]) && test -s conftest.o; then | 
 |   grub_cv_asm_prefix_requirement=yes | 
 | else | 
 |   grub_cv_asm_prefix_requirement=no | 
 | fi | 
 |  | 
 | rm -f conftest*]) | 
 |  | 
 | if test "x$grub_cv_asm_prefix_requirement" = xyes; then | 
 |   grub_tmp_addr32="addr32" | 
 |   grub_tmp_data32="data32" | 
 | else | 
 |   grub_tmp_addr32="addr32;" | 
 |   grub_tmp_data32="data32;" | 
 | fi | 
 |  | 
 | AC_DEFINE_UNQUOTED([ADDR32], $grub_tmp_addr32, | 
 |   [Define it to \"addr32\" or \"addr32;\" to make GAS happy]) | 
 | AC_DEFINE_UNQUOTED([DATA32], $grub_tmp_data32, | 
 |   [Define it to \"data32\" or \"data32;\" to make GAS happy]) | 
 |  | 
 | AC_MSG_RESULT([$grub_cv_asm_prefix_requirement])]) | 
 |  | 
 | dnl | 
 | dnl Older versions of GAS require that absolute indirect calls/jumps are | 
 | dnl not prefixed with `*', while later versions warn if not prefixed. | 
 | AC_DEFUN(grub_ASM_ABSOLUTE_WITHOUT_ASTERISK, | 
 | [AC_REQUIRE([AC_PROG_CC]) | 
 | AC_MSG_CHECKING(dnl | 
 | [whether an absolute indirect call/jump must not be prefixed with an asterisk]) | 
 | AC_CACHE_VAL(grub_cv_asm_absolute_without_asterisk, | 
 | [cat > conftest.s <<\EOF | 
 | 	lcall	*(offset)	 | 
 | offset: | 
 | 	.long	0 | 
 | 	.word	0 | 
 | EOF | 
 |  | 
 | if AC_TRY_COMMAND([${CC-cc} ${CFLAGS} -c conftest.s]) && test -s conftest.o; then | 
 |   grub_cv_asm_absolute_without_asterisk=no | 
 | else | 
 |   grub_cv_asm_absolute_without_asterisk=yes | 
 | fi | 
 |  | 
 | rm -f conftest*]) | 
 |  | 
 | if test "x$grub_cv_asm_absolute_without_asterisk" = xyes; then | 
 |   AC_DEFINE([ABSOLUTE_WITHOUT_ASTERISK]) | 
 | fi | 
 |  | 
 | AC_MSG_RESULT([$grub_cv_asm_absolute_without_asterisk])]) | 
 |  | 
 | dnl | 
 | dnl grub_CHECK_START_SYMBOL checks if start is automatically defined by | 
 | dnl the compiler. | 
 | dnl Written by OKUJI Yoshinori | 
 | AC_DEFUN(grub_CHECK_START_SYMBOL, | 
 | [AC_REQUIRE([AC_PROG_CC]) | 
 | AC_MSG_CHECKING([if start is defined by the compiler]) | 
 | AC_CACHE_VAL(grub_cv_check_start_symbol, | 
 | [AC_TRY_LINK([], [asm ("incl start")], | 
 |    grub_cv_check_start_symbol=yes, | 
 |    grub_cv_check_start_symbol=no)]) | 
 |  | 
 | if test "x$grub_cv_check_start_symbol" = xyes; then | 
 |   AC_DEFINE([HAVE_START_SYMBOL]) | 
 | fi | 
 |  | 
 | AC_MSG_RESULT([$grub_cv_check_start_symbol]) | 
 | ]) | 
 |  | 
 | dnl | 
 | dnl grub_CHECK_USCORE_START_SYMBOL checks if _start is automatically | 
 | dnl defined by the compiler. | 
 | dnl Written by OKUJI Yoshinori | 
 | AC_DEFUN(grub_CHECK_USCORE_START_SYMBOL, | 
 | [AC_REQUIRE([AC_PROG_CC]) | 
 | AC_MSG_CHECKING([if _start is defined by the compiler]) | 
 | AC_CACHE_VAL(grub_cv_check_uscore_start_symbol, | 
 | [AC_TRY_LINK([], [asm ("incl _start")], | 
 |    grub_cv_check_uscore_start_symbol=yes, | 
 |    grub_cv_check_uscore_start_symbol=no)]) | 
 |  | 
 | if test "x$grub_cv_check_uscore_start_symbol" = xyes; then | 
 |   AC_DEFINE([HAVE_USCORE_START_SYMBOL]) | 
 | fi | 
 |  | 
 | AC_MSG_RESULT([$grub_cv_check_uscore_start_symbol]) | 
 | ]) | 
 |  | 
 | dnl | 
 | dnl grub_CHECK_USCORE_USCORE_BSS_START_SYMBOL checks if __bss_start is | 
 | dnl automatically defined by the compiler. | 
 | dnl Written by Michael Hohmoth. | 
 | AC_DEFUN(grub_CHECK_USCORE_USCORE_BSS_START_SYMBOL, | 
 | [AC_REQUIRE([AC_PROG_CC]) | 
 | AC_MSG_CHECKING([if __bss_start is defined by the compiler]) | 
 | AC_CACHE_VAL(grub_cv_check_uscore_uscore_bss_start_symbol, | 
 | [AC_TRY_LINK([], [asm ("incl __bss_start")], | 
 |    grub_cv_check_uscore_uscore_bss_start_symbol=yes, | 
 |    grub_cv_check_uscore_uscore_bss_start_symbol=no)]) | 
 |  | 
 | if test "x$grub_cv_check_uscore_uscore_bss_start_symbol" = xyes; then | 
 |   AC_DEFINE([HAVE_USCORE_USCORE_BSS_START_SYMBOL]) | 
 | fi | 
 |  | 
 | AC_MSG_RESULT([$grub_cv_check_uscore_uscore_bss_start_symbol]) | 
 | ]) | 
 |  | 
 | dnl | 
 | dnl grub_CHECK_EDATA_SYMBOL checks if edata is automatically defined by the | 
 | dnl compiler. | 
 | dnl Written by Michael Hohmuth. | 
 | AC_DEFUN(grub_CHECK_EDATA_SYMBOL, | 
 | [AC_REQUIRE([AC_PROG_CC]) | 
 | AC_MSG_CHECKING([if edata is defined by the compiler]) | 
 | AC_CACHE_VAL(grub_cv_check_edata_symbol, | 
 | [AC_TRY_LINK([], [asm ("incl edata")], | 
 |    grub_cv_check_edata_symbol=yes, | 
 |    grub_cv_check_edata_symbol=no)]) | 
 |  | 
 | if test "x$grub_cv_check_edata_symbol" = xyes; then | 
 |   AC_DEFINE([HAVE_EDATA_SYMBOL]) | 
 | fi | 
 |  | 
 | AC_MSG_RESULT([$grub_cv_check_edata_symbol]) | 
 | ]) | 
 |  | 
 | dnl | 
 | dnl grub_CHECK_USCORE_EDATA_SYMBOL checks if _edata is automatically | 
 | dnl defined by the compiler. | 
 | dnl Written by Michael Hohmuth. | 
 | AC_DEFUN(grub_CHECK_USCORE_EDATA_SYMBOL, | 
 | [AC_REQUIRE([AC_PROG_CC]) | 
 | AC_MSG_CHECKING([if _edata is defined by the compiler]) | 
 | AC_CACHE_VAL(grub_cv_check_uscore_edata_symbol, | 
 | [AC_TRY_LINK([], [asm ("incl _edata")], | 
 |    grub_cv_check_uscore_edata_symbol=yes, | 
 |    grub_cv_check_uscore_edata_symbol=no)]) | 
 |  | 
 | if test "x$grub_cv_check_uscore_edata_symbol" = xyes; then | 
 |   AC_DEFINE([HAVE_USCORE_EDATA_SYMBOL]) | 
 | fi | 
 |  | 
 | AC_MSG_RESULT([$grub_cv_check_uscore_edata_symbol]) | 
 | ]) | 
 |  | 
 | dnl | 
 | dnl grub_CHECK_END_SYMBOL checks if end is automatically defined by the | 
 | dnl compiler. | 
 | dnl Written by OKUJI Yoshinori | 
 | AC_DEFUN(grub_CHECK_END_SYMBOL, | 
 | [AC_REQUIRE([AC_PROG_CC]) | 
 | AC_MSG_CHECKING([if end is defined by the compiler]) | 
 | AC_CACHE_VAL(grub_cv_check_end_symbol, | 
 | [AC_TRY_LINK([], [asm ("incl end")], | 
 |    grub_cv_check_end_symbol=yes, | 
 |    grub_cv_check_end_symbol=no)]) | 
 |  | 
 | if test "x$grub_cv_check_end_symbol" = xyes; then | 
 |   AC_DEFINE([HAVE_END_SYMBOL]) | 
 | fi | 
 |  | 
 | AC_MSG_RESULT([$grub_cv_check_end_symbol]) | 
 | ]) | 
 |  | 
 | dnl | 
 | dnl grub_CHECK_USCORE_END_SYMBOL checks if _end is automatically defined | 
 | dnl by the compiler. | 
 | dnl Written by OKUJI Yoshinori | 
 | AC_DEFUN(grub_CHECK_USCORE_END_SYMBOL, | 
 | [AC_REQUIRE([AC_PROG_CC]) | 
 | AC_MSG_CHECKING([if _end is defined by the compiler]) | 
 | AC_CACHE_VAL(grub_cv_check_uscore_end_symbol, | 
 | [AC_TRY_LINK([], [asm ("incl _end")], | 
 |    grub_cv_check_uscore_end_symbol=yes, | 
 |    grub_cv_check_uscore_end_symbol=no)]) | 
 |  | 
 | if test "x$grub_cv_check_uscore_end_symbol" = xyes; then | 
 |   AC_DEFINE([HAVE_USCORE_END_SYMBOL]) | 
 | fi | 
 |  | 
 | AC_MSG_RESULT([$grub_cv_check_uscore_end_symbol]) | 
 | ]) | 
 |  | 
 | # Do all the work for Automake.  This macro actually does too much -- | 
 | # some checks are only needed if your package does certain things. | 
 | # But this isn't really a big deal. | 
 |  | 
 | # serial 2 | 
 |  | 
 | # AC_PROVIDE_IFELSE(MACRO-NAME, IF-PROVIDED, IF-NOT-PROVIDED) | 
 | # ----------------------------------------------------------- | 
 | # If MACRO-NAME is provided do IF-PROVIDED, else IF-NOT-PROVIDED. | 
 | # The purpose of this macro is to provide the user with a means to | 
 | # check macros which are provided without letting her know how the | 
 | # information is coded. | 
 | # If this macro is not defined by Autoconf, define it here. | 
 | ifdef([AC_PROVIDE_IFELSE], | 
 |       [], | 
 |       [define([AC_PROVIDE_IFELSE], | 
 |               [ifdef([AC_PROVIDE_$1], | 
 |                      [$2], [$3])])]) | 
 |  | 
 |  | 
 | # AM_INIT_AUTOMAKE(PACKAGE,VERSION, [NO-DEFINE]) | 
 | # ---------------------------------------------- | 
 | AC_DEFUN(AM_INIT_AUTOMAKE, | 
 | [dnl We require 2.13 because we rely on SHELL being computed by configure. | 
 | AC_PREREQ([2.13])dnl | 
 | AC_REQUIRE([AC_PROG_INSTALL])dnl | 
 | # test to see if srcdir already configured | 
 | if test "`CDPATH=: && cd $srcdir && pwd`" != "`pwd`" && | 
 |    test -f $srcdir/config.status; then | 
 |   AC_MSG_ERROR([source directory already configured; run "make distclean" there first]) | 
 | fi | 
 |  | 
 | # Define the identity of the package. | 
 | PACKAGE=$1 | 
 | AC_SUBST(PACKAGE)dnl | 
 | VERSION=$2 | 
 | AC_SUBST(VERSION)dnl | 
 | ifelse([$3],, | 
 | [AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package]) | 
 | AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])]) | 
 |  | 
 | # Some tools Automake needs. | 
 | AC_REQUIRE([AM_SANITY_CHECK])dnl | 
 | AC_REQUIRE([AC_ARG_PROGRAM])dnl | 
 | AM_MISSING_PROG(ACLOCAL, aclocal) | 
 | AM_MISSING_PROG(AUTOCONF, autoconf) | 
 | AM_MISSING_PROG(AUTOMAKE, automake) | 
 | AM_MISSING_PROG(AUTOHEADER, autoheader) | 
 | AM_MISSING_PROG(MAKEINFO, makeinfo) | 
 | AM_MISSING_PROG(AMTAR, tar) | 
 | AM_MISSING_INSTALL_SH | 
 | dnl We need awk for the "check" target.  The system "awk" is bad on | 
 | dnl some platforms. | 
 | AC_REQUIRE([AC_PROG_AWK])dnl | 
 | AC_REQUIRE([AC_PROG_MAKE_SET])dnl | 
 | AC_REQUIRE([AM_DEP_TRACK])dnl | 
 | AC_REQUIRE([AM_SET_DEPDIR])dnl | 
 | AC_PROVIDE_IFELSE([AC_PROG_CC], | 
 |                   [AM_DEPENDENCIES(CC)], | 
 |                   [define([AC_PROG_CC], | 
 |                           defn([AC_PROG_CC])[AM_DEPENDENCIES(CC)])])dnl | 
 | AC_PROVIDE_IFELSE([AC_PROG_CXX], | 
 |                   [AM_DEPENDENCIES(CXX)], | 
 |                   [define([AC_PROG_CXX], | 
 |                           defn([AC_PROG_CXX])[AM_DEPENDENCIES(CXX)])])dnl | 
 | ]) | 
 |  | 
 | # | 
 | # Check to make sure that the build environment is sane. | 
 | # | 
 |  | 
 | AC_DEFUN(AM_SANITY_CHECK, | 
 | [AC_MSG_CHECKING([whether build environment is sane]) | 
 | # Just in case | 
 | sleep 1 | 
 | echo timestamp > conftestfile | 
 | # Do `set' in a subshell so we don't clobber the current shell's | 
 | # arguments.  Must try -L first in case configure is actually a | 
 | # symlink; some systems play weird games with the mod time of symlinks | 
 | # (eg FreeBSD returns the mod time of the symlink's containing | 
 | # directory). | 
 | if ( | 
 |    set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null` | 
 |    if test "[$]*" = "X"; then | 
 |       # -L didn't work. | 
 |       set X `ls -t $srcdir/configure conftestfile` | 
 |    fi | 
 |    if test "[$]*" != "X $srcdir/configure conftestfile" \ | 
 |       && test "[$]*" != "X conftestfile $srcdir/configure"; then | 
 |  | 
 |       # If neither matched, then we have a broken ls.  This can happen | 
 |       # if, for instance, CONFIG_SHELL is bash and it inherits a | 
 |       # broken ls alias from the environment.  This has actually | 
 |       # happened.  Such a system could not be considered "sane". | 
 |       AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken | 
 | alias in your environment]) | 
 |    fi | 
 |  | 
 |    test "[$]2" = conftestfile | 
 |    ) | 
 | then | 
 |    # Ok. | 
 |    : | 
 | else | 
 |    AC_MSG_ERROR([newly created file is older than distributed files! | 
 | Check your system clock]) | 
 | fi | 
 | rm -f conftest* | 
 | AC_MSG_RESULT(yes)]) | 
 |  | 
 | dnl AM_MISSING_PROG(NAME, PROGRAM) | 
 | AC_DEFUN(AM_MISSING_PROG, [ | 
 | AC_REQUIRE([AM_MISSING_HAS_RUN]) | 
 | $1=${$1-"${am_missing_run}$2"} | 
 | AC_SUBST($1)]) | 
 |  | 
 | dnl Like AM_MISSING_PROG, but only looks for install-sh. | 
 | dnl AM_MISSING_INSTALL_SH() | 
 | AC_DEFUN(AM_MISSING_INSTALL_SH, [ | 
 | AC_REQUIRE([AM_MISSING_HAS_RUN]) | 
 | if test -z "$install_sh"; then | 
 |    install_sh="$ac_aux_dir/install-sh" | 
 |    test -f "$install_sh" || install_sh="$ac_aux_dir/install.sh" | 
 |    test -f "$install_sh" || install_sh="${am_missing_run}${ac_auxdir}/install-sh" | 
 |    dnl FIXME: an evil hack: we remove the SHELL invocation from | 
 |    dnl install_sh because automake adds it back in.  Sigh. | 
 |    install_sh="`echo $install_sh | sed -e 's/\${SHELL}//'`" | 
 | fi | 
 | AC_SUBST(install_sh)]) | 
 |  | 
 | dnl AM_MISSING_HAS_RUN. | 
 | dnl Define MISSING if not defined so far and test if it supports --run. | 
 | dnl If it does, set am_missing_run to use it, otherwise, to nothing. | 
 | AC_DEFUN([AM_MISSING_HAS_RUN], [ | 
 | test x"${MISSING+set}" = xset || \ | 
 |   MISSING="\${SHELL} `CDPATH=: && cd $ac_aux_dir && pwd`/missing" | 
 | dnl Use eval to expand $SHELL | 
 | if eval "$MISSING --run :"; then | 
 |   am_missing_run="$MISSING --run " | 
 | else | 
 |   am_missing_run= | 
 |   am_backtick='`' | 
 |   AC_MSG_WARN([${am_backtick}missing' script is too old or missing]) | 
 | fi | 
 | ]) | 
 |  | 
 | dnl See how the compiler implements dependency checking. | 
 | dnl Usage: | 
 | dnl AM_DEPENDENCIES(NAME) | 
 | dnl NAME is "CC", "CXX" or "OBJC". | 
 |  | 
 | dnl We try a few techniques and use that to set a single cache variable. | 
 |  | 
 | AC_DEFUN(AM_DEPENDENCIES,[ | 
 | AC_REQUIRE([AM_SET_DEPDIR]) | 
 | AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS]) | 
 | ifelse([$1],CC,[ | 
 | AC_REQUIRE([AC_PROG_CC]) | 
 | AC_REQUIRE([AC_PROG_CPP]) | 
 | depcc="$CC" | 
 | depcpp="$CPP"],[$1],CXX,[ | 
 | AC_REQUIRE([AC_PROG_CXX]) | 
 | AC_REQUIRE([AC_PROG_CXXCPP]) | 
 | depcc="$CXX" | 
 | depcpp="$CXXCPP"],[$1],OBJC,[ | 
 | am_cv_OBJC_dependencies_compiler_type=gcc],[ | 
 | AC_REQUIRE([AC_PROG_][$1]) | 
 | depcc="$[$1]" | 
 | depcpp=""]) | 
 | AC_MSG_CHECKING([dependency style of $depcc]) | 
 | AC_CACHE_VAL(am_cv_[$1]_dependencies_compiler_type,[ | 
 | if test -z "$AMDEP"; then | 
 |   echo '#include "conftest.h"' > conftest.c | 
 |   echo 'int i;' > conftest.h | 
 |  | 
 |   am_cv_[$1]_dependencies_compiler_type=none | 
 |   for depmode in `sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < "$am_depcomp"`; do | 
 |     case "$depmode" in | 
 |     nosideeffect) | 
 |       # after this tag, mechanisms are not by side-effect, so they'll | 
 |       # only be used when explicitly requested | 
 |       if test "x$enable_dependency_tracking" = xyes; then | 
 | 	continue | 
 |       else | 
 | 	break | 
 |       fi | 
 |       ;; | 
 |     none) break ;; | 
 |     esac | 
 |     if depmode="$depmode" \ | 
 |        source=conftest.c object=conftest.o \ | 
 |        depfile=conftest.Po tmpdepfile=conftest.TPo \ | 
 |        $SHELL $am_depcomp $depcc -c conftest.c 2>/dev/null && | 
 |        grep conftest.h conftest.Po > /dev/null 2>&1; then | 
 |       am_cv_[$1]_dependencies_compiler_type="$depmode" | 
 |       break | 
 |     fi | 
 |   done | 
 |  | 
 |   rm -f conftest.* | 
 | else | 
 |   am_cv_[$1]_dependencies_compiler_type=none | 
 | fi | 
 | ]) | 
 | AC_MSG_RESULT($am_cv_[$1]_dependencies_compiler_type) | 
 | [$1]DEPMODE="depmode=$am_cv_[$1]_dependencies_compiler_type" | 
 | AC_SUBST([$1]DEPMODE) | 
 | ]) | 
 |  | 
 | dnl Choose a directory name for dependency files. | 
 | dnl This macro is AC_REQUIREd in AM_DEPENDENCIES | 
 |  | 
 | AC_DEFUN(AM_SET_DEPDIR,[ | 
 | if test -d .deps || mkdir .deps 2> /dev/null || test -d .deps; then | 
 |   DEPDIR=.deps | 
 | else | 
 |   DEPDIR=_deps | 
 | fi | 
 | AC_SUBST(DEPDIR) | 
 | ]) | 
 |  | 
 | AC_DEFUN(AM_DEP_TRACK,[ | 
 | AC_ARG_ENABLE(dependency-tracking, | 
 | [  --disable-dependency-tracking Speeds up one-time builds | 
 |   --enable-dependency-tracking  Do not reject slow dependency extractors]) | 
 | if test "x$enable_dependency_tracking" = xno; then | 
 |   AMDEP="#" | 
 | else | 
 |   am_depcomp="$ac_aux_dir/depcomp" | 
 |   if test ! -f "$am_depcomp"; then | 
 |     AMDEP="#" | 
 |   else | 
 |     AMDEP= | 
 |   fi | 
 | fi | 
 | AC_SUBST(AMDEP) | 
 | if test -z "$AMDEP"; then | 
 |   AMDEPBACKSLASH='\' | 
 | else | 
 |   AMDEPBACKSLASH= | 
 | fi | 
 | pushdef([subst], defn([AC_SUBST])) | 
 | subst(AMDEPBACKSLASH) | 
 | popdef([subst]) | 
 | ]) | 
 |  | 
 | dnl Generate code to set up dependency tracking. | 
 | dnl This macro should only be invoked once -- use via AC_REQUIRE. | 
 | dnl Usage: | 
 | dnl AM_OUTPUT_DEPENDENCY_COMMANDS | 
 |  | 
 | dnl | 
 | dnl This code is only required when automatic dependency tracking | 
 | dnl is enabled.  FIXME.  This creates each `.P' file that we will | 
 | dnl need in order to bootstrap the dependency handling code. | 
 | AC_DEFUN(AM_OUTPUT_DEPENDENCY_COMMANDS,[ | 
 | AC_OUTPUT_COMMANDS([ | 
 | test x"$AMDEP" != x"" || | 
 | for mf in $CONFIG_FILES; do | 
 |   case "$mf" in | 
 |   Makefile) dirpart=.;; | 
 |   */Makefile) dirpart=`echo "$mf" | sed -e 's|/[^/]*$||'`;; | 
 |   *) continue;; | 
 |   esac | 
 |   grep '^DEP_FILES *= *[^ #]' < "$mf" > /dev/null || continue | 
 |   # Extract the definition of DEP_FILES from the Makefile without | 
 |   # running `make'. | 
 |   DEPDIR=`sed -n -e '/^DEPDIR = / s///p' < "$mf"` | 
 |   test -z "$DEPDIR" && continue | 
 |   # When using ansi2knr, U may be empty or an underscore; expand it | 
 |   U=`sed -n -e '/^U = / s///p' < "$mf"` | 
 |   test -d "$dirpart/$DEPDIR" || mkdir "$dirpart/$DEPDIR" | 
 |   # We invoke sed twice because it is the simplest approach to | 
 |   # changing $(DEPDIR) to its actual value in the expansion. | 
 |   for file in `sed -n -e ' | 
 |     /^DEP_FILES = .*\\\\$/ { | 
 |       s/^DEP_FILES = // | 
 |       :loop | 
 | 	s/\\\\$// | 
 | 	p | 
 | 	n | 
 | 	/\\\\$/ b loop | 
 |       p | 
 |     } | 
 |     /^DEP_FILES = / s/^DEP_FILES = //p' < "$mf" | \ | 
 |        sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do | 
 |     # Make sure the directory exists. | 
 |     test -f "$dirpart/$file" && continue | 
 |     fdir=`echo "$file" | sed -e 's|/[^/]*$||'` | 
 |     $ac_aux_dir/mkinstalldirs "$dirpart/$fdir" > /dev/null 2>&1 | 
 |     # echo "creating $dirpart/$file" | 
 |     echo '# dummy' > "$dirpart/$file" | 
 |   done | 
 | done | 
 | ], [AMDEP="$AMDEP" | 
 | ac_aux_dir="$ac_aux_dir"])]) | 
 |  | 
 | # Like AC_CONFIG_HEADER, but automatically create stamp file. | 
 |  | 
 | AC_DEFUN(AM_CONFIG_HEADER, | 
 | [AC_PREREQ([2.12]) | 
 | AC_CONFIG_HEADER([$1]) | 
 | dnl When config.status generates a header, we must update the stamp-h file. | 
 | dnl This file resides in the same directory as the config header | 
 | dnl that is generated.  We must strip everything past the first ":", | 
 | dnl and everything past the last "/". | 
 | AC_OUTPUT_COMMANDS(changequote(<<,>>)dnl | 
 | ifelse(patsubst(<<$1>>, <<[^ ]>>, <<>>), <<>>, | 
 | <<test -z "<<$>>CONFIG_HEADERS" || echo timestamp > patsubst(<<$1>>, <<^\([^:]*/\)?.*>>, <<\1>>)stamp-h<<>>dnl>>, | 
 | <<am_indx=1 | 
 | for am_file in <<$1>>; do | 
 |   case " <<$>>CONFIG_HEADERS " in | 
 |   *" <<$>>am_file "*<<)>> | 
 |     echo timestamp > `echo <<$>>am_file | sed -e 's%:.*%%' -e 's%[^/]*$%%'`stamp-h$am_indx | 
 |     ;; | 
 |   esac | 
 |   am_indx=`expr "<<$>>am_indx" + 1` | 
 | done<<>>dnl>>) | 
 | changequote([,]))]) | 
 |  | 
 | # Add --enable-maintainer-mode option to configure. | 
 | # From Jim Meyering | 
 |  | 
 | # serial 1 | 
 |  | 
 | AC_DEFUN(AM_MAINTAINER_MODE, | 
 | [AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) | 
 |   dnl maintainer-mode is disabled by default | 
 |   AC_ARG_ENABLE(maintainer-mode, | 
 | [  --enable-maintainer-mode enable make rules and dependencies not useful | 
 |                           (and sometimes confusing) to the casual installer], | 
 |       USE_MAINTAINER_MODE=$enableval, | 
 |       USE_MAINTAINER_MODE=no) | 
 |   AC_MSG_RESULT($USE_MAINTAINER_MODE) | 
 |   AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes) | 
 |   MAINT=$MAINTAINER_MODE_TRUE | 
 |   AC_SUBST(MAINT)dnl | 
 | ] | 
 | ) | 
 |  | 
 | # Define a conditional. | 
 |  | 
 | AC_DEFUN(AM_CONDITIONAL, | 
 | [AC_SUBST($1_TRUE) | 
 | AC_SUBST($1_FALSE) | 
 | if $2; then | 
 |   $1_TRUE= | 
 |   $1_FALSE='#' | 
 | else | 
 |   $1_TRUE='#' | 
 |   $1_FALSE= | 
 | fi]) | 
 |  |