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* depstand.m4, lead-dot.m4: New files.
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DJ Delorie
parent
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commit
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@ -1,3 +1,7 @@
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2005-06-13 Zack Weinberg <zack@codesourcery.com>
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* depstand.m4, lead-dot.m4: New files.
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2005-05-19 Kelley Cook <kcook@gcc.gnu.org>
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* accross.m4: Delete file.
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136
config/depstand.m4
Normal file
136
config/depstand.m4
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## -*- Autoconf -*-
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# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005
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# Free Software Foundation, Inc.
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#
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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# with or without modifications, as long as this notice is preserved.
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# serial 8
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# Based on depend.m4 from automake 1.9, modified for standalone use in
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# an environment where GNU make is required.
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# ZW_PROG_COMPILER_DEPENDENCIES
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# -----------------------------
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# Variant of _AM_DEPENDENCIES which just does the dependency probe and
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# sets fooDEPMODE accordingly. Cache-variable compatible with
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# original; not side-effect compatible. As the users of this macro
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# may require accurate dependencies for correct builds, it does *not*
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# honor --disable-dependency-checking, and failure to detect a usable
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# method is an error. depcomp is assumed to be located in
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# $ac_aux_dir.
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#
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# FIXME: Should use the Autoconf 2.5x language-selection mechanism.
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AC_DEFUN([ZW_PROG_COMPILER_DEPENDENCIES],
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[ifelse([$1], CC, [depcc="$CC" am_compiler_list=],
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[$1], CXX, [depcc="$CXX" am_compiler_list=],
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[$1], OBJC, [depcc="$OBJC" am_compiler_list='gcc3 gcc'],
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[$1], GCJ, [depcc="$GCJ" am_compiler_list='gcc3 gcc'],
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[depcc="$$1" am_compiler_list=])
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am_depcomp=$ac_aux_dir/depcomp
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AC_CACHE_CHECK([dependency style of $depcc],
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[am_cv_$1_dependencies_compiler_type],
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[if test -f "$am_depcomp"; then
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# We make a subdir and do the tests there. Otherwise we can end up
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# making bogus files that we don't know about and never remove. For
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# instance it was reported that on HP-UX the gcc test will end up
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# making a dummy file named `D' -- because `-MD' means `put the output
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# in D'.
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mkdir conftest.dir
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# Copy depcomp to subdir because otherwise we won't find it if we're
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# using a relative directory.
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cp "$am_depcomp" conftest.dir
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cd conftest.dir
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# We will build objects and dependencies in a subdirectory because
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# it helps to detect inapplicable dependency modes. For instance
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# both Tru64's cc and ICC support -MD to output dependencies as a
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# side effect of compilation, but ICC will put the dependencies in
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# the current directory while Tru64 will put them in the object
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# directory.
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mkdir sub
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am_cv_$1_dependencies_compiler_type=none
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if test "$am_compiler_list" = ""; then
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am_compiler_list=`sed -n ['s/^\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp`
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fi
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for depmode in $am_compiler_list; do
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if test $depmode = none; then break; fi
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_AS_ECHO([$as_me:$LINENO: trying $depmode], AS_MESSAGE_LOG_FD)
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# Setup a source with many dependencies, because some compilers
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# like to wrap large dependency lists on column 80 (with \), and
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# we should not choose a depcomp mode which is confused by this.
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#
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# We need to recreate these files for each test, as the compiler may
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# overwrite some of them when testing with obscure command lines.
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# This happens at least with the AIX C compiler.
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: > sub/conftest.c
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for i in 1 2 3 4 5 6; do
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echo '#include "conftst'$i'.h"' >> sub/conftest.c
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# Using `: > sub/conftst$i.h' creates only sub/conftst1.h with
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# Solaris 8's {/usr,}/bin/sh.
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touch sub/conftst$i.h
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done
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echo "include sub/conftest.Po" > confmf
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# We check with `-c' and `-o' for the sake of the "dashmstdout"
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# mode. It turns out that the SunPro C++ compiler does not properly
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# handle `-M -o', and we need to detect this.
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depcmd="depmode=$depmode \
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source=sub/conftest.c object=sub/conftest.${OBJEXT-o} \
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depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
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$SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c"
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echo "| $depcmd" | sed -e 's/ */ /g' >&AS_MESSAGE_LOG_FD
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if env $depcmd > conftest.err 2>&1 &&
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grep sub/conftst6.h sub/conftest.Po >>conftest.err 2>&1 &&
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grep sub/conftest.${OBJEXT-o} sub/conftest.Po >>conftest.err 2>&1 &&
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${MAKE-make} -s -f confmf >>conftest.err 2>&1; then
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# icc doesn't choke on unknown options, it will just issue warnings
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# or remarks (even with -Werror). So we grep stderr for any message
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# that says an option was ignored or not supported.
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# When given -MP, icc 7.0 and 7.1 complain thusly:
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# icc: Command line warning: ignoring option '-M'; no argument required
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# The diagnosis changed in icc 8.0:
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# icc: Command line remark: option '-MP' not supported
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if (grep 'ignoring option' conftest.err ||
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grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
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am_cv_$1_dependencies_compiler_type=$depmode
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_AS_ECHO([$as_me:$LINENO: success], AS_MESSAGE_LOG_FD)
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break
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fi
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fi
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_AS_ECHO([$as_me:$LINENO: failure, diagnostics are:], AS_MESSAGE_LOG_FD)
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sed -e 's/^/| /' < conftest.err >&AS_MESSAGE_LOG_FD
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done
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cd ..
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rm -rf conftest.dir
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else
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am_cv_$1_dependencies_compiler_type=none
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fi
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])
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if test x${am_cv_$1_dependencies_compiler_type-none} = xnone
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then AC_MSG_ERROR([no usable dependency style found])
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else AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
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fi
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])
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# AM_SET_DEPDIR
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# -------------
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# Choose a directory name for dependency files.
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AC_DEFUN([AM_SET_DEPDIR],
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[AC_REQUIRE([AM_SET_LEADING_DOT])dnl
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AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
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])
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# ZW_CREATE_DEPDIR
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# ----------------
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# As AM_SET_DEPDIR, but also create the directory at config.status time.
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AC_DEFUN([ZW_CREATE_DEPDIR],
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[AC_REQUIRE([AM_SET_DEPDIR])dnl
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AC_CONFIG_COMMANDS([depdir], [mkdir $DEPDIR], [DEPDIR=$DEPDIR])
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])
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32
config/lead-dot.m4
Normal file
32
config/lead-dot.m4
Normal file
@ -0,0 +1,32 @@
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# -*- Autoconf -*-
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# Copyright (C) 2003 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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# 02111-1307, USA.
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# serial 1
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# Check whether the underlying file-system supports filenames
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# with a leading dot. For instance MS-DOS doesn't.
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AC_DEFUN([AM_SET_LEADING_DOT],
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[rm -rf .tst 2>/dev/null
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mkdir .tst 2>/dev/null
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if test -d .tst; then
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am__leading_dot=.
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else
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am__leading_dot=_
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fi
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rmdir .tst 2>/dev/null
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AC_SUBST([am__leading_dot])])
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