| 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]) |
| |