144
144
Usually this means the macro was only invoked conditionally.]])
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# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2009
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# Free Software Foundation, Inc.
150
# 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.
156
# There are a few dirty hacks below to avoid letting `AC_PROG_CC' be
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# written in clear, in which case automake, when reading aclocal.m4,
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# will think it sees a *use*, and therefore will trigger all it's
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# C support machinery. Also note that it means that autoscan, seeing
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# CC etc. in the Makefile, will ask for an AC_PROG_CC use...
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# _AM_DEPENDENCIES(NAME)
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# ----------------------
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# See how the compiler implements dependency checking.
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# NAME is "CC", "CXX", "GCJ", or "OBJC".
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# We try a few techniques and use that to set a single cache variable.
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# We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was
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# modified to invoke _AM_DEPENDENCIES(CC); we would have a circular
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# dependency, and given that the user is not expected to run this macro,
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# just rely on AC_PROG_CC.
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AC_DEFUN([_AM_DEPENDENCIES],
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[AC_REQUIRE([AM_SET_DEPDIR])dnl
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AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
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AC_REQUIRE([AM_MAKE_INCLUDE])dnl
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AC_REQUIRE([AM_DEP_TRACK])dnl
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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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[$1], UPC, [depcc="$UPC" am_compiler_list=],
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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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AC_CACHE_CHECK([dependency style of $depcc],
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[am_cv_$1_dependencies_compiler_type],
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[if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
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# We make a subdir and do the tests there. Otherwise we can end up
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# making bogus files that we don't know about and never remove. For
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# instance it was reported that on HP-UX the gcc test will end up
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# making a dummy file named `D' -- because `-MD' means `put the output
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# Copy depcomp to subdir because otherwise we won't find it if we're
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# using a relative directory.
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cp "$am_depcomp" conftest.dir
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# 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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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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[case " $depcc " in #(
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*\ -arch\ *\ -arch\ *) am__universal=true ;;
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[case " $depcc " in #(
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*\ -arch\ *\ -arch\ *) am__universal=true ;;
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for depmode in $am_compiler_list; do
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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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# 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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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$i.h
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echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
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# We check with `-c' and `-o' for the sake of the "dashmstdout"
239
# mode. It turns out that the SunPro C++ compiler does not properly
240
# handle `-M -o', and we need to detect this. Also, some Intel
241
# versions had trouble with output in subdirs
242
am__obj=sub/conftest.${OBJEXT-o}
243
am__minus_obj="-o $am__obj"
246
# This depmode causes a compiler race in universal mode.
247
test "$am__universal" = false || continue
250
# after this tag, mechanisms are not by side-effect, so they'll
251
# only be used when explicitly requested
252
if test "x$enable_dependency_tracking" = xyes; then
258
msvisualcpp | msvcmsys)
259
# This compiler won't grok `-c -o', but also, the minuso test has
260
# not run yet. These depmodes are late enough in the game, and
261
# so weak that their functioning should not be impacted.
262
am__obj=conftest.${OBJEXT-o}
267
if depmode=$depmode \
268
source=sub/conftest.c object=$am__obj \
269
depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
270
$SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
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>/dev/null 2>conftest.err &&
272
grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
273
grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
274
grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
275
${MAKE-make} -s -f confmf > /dev/null 2>&1; then
276
# icc doesn't choke on unknown options, it will just issue warnings
277
# or remarks (even with -Werror). So we grep stderr for any message
278
# that says an option was ignored or not supported.
279
# When given -MP, icc 7.0 and 7.1 complain thusly:
280
# icc: Command line warning: ignoring option '-M'; no argument required
281
# The diagnosis changed in icc 8.0:
282
# icc: Command line remark: option '-MP' not supported
283
if (grep 'ignoring option' conftest.err ||
284
grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
285
am_cv_$1_dependencies_compiler_type=$depmode
294
am_cv_$1_dependencies_compiler_type=none
297
AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
298
AM_CONDITIONAL([am__fastdep$1], [
299
test "x$enable_dependency_tracking" != xno \
300
&& test "$am_cv_$1_dependencies_compiler_type" = gcc3])
306
# Choose a directory name for dependency files.
307
# This macro is AC_REQUIREd in _AM_DEPENDENCIES
308
AC_DEFUN([AM_SET_DEPDIR],
309
[AC_REQUIRE([AM_SET_LEADING_DOT])dnl
310
AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
316
AC_DEFUN([AM_DEP_TRACK],
317
[AC_ARG_ENABLE(dependency-tracking,
318
[ --disable-dependency-tracking speeds up one-time build
319
--enable-dependency-tracking do not reject slow dependency extractors])
320
if test "x$enable_dependency_tracking" != xno; then
321
am_depcomp="$ac_aux_dir/depcomp"
324
AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
325
AC_SUBST([AMDEPBACKSLASH])dnl
326
_AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
329
# Generate code to set up dependency tracking. -*- Autoconf -*-
331
# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2008
332
# Free Software Foundation, Inc.
334
# This file is free software; the Free Software Foundation
335
# gives unlimited permission to copy and/or distribute it,
336
# with or without modifications, as long as this notice is preserved.
340
# _AM_OUTPUT_DEPENDENCY_COMMANDS
341
# ------------------------------
342
AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
344
# Autoconf 2.62 quotes --file arguments for eval, but not when files
345
# are listed without --file. Let's play safe and only enable the eval
346
# if we detect the quoting.
347
case $CONFIG_FILES in
348
*\'*) eval set x "$CONFIG_FILES" ;;
349
*) set x $CONFIG_FILES ;;
354
# Strip MF so we end up with the name of the file.
355
mf=`echo "$mf" | sed -e 's/:.*$//'`
356
# Check whether this is an Automake generated Makefile or not.
357
# We used to match only the files named `Makefile.in', but
358
# some people rename them; so instead we look at the file content.
359
# Grep'ing the first line is not enough: some people post-process
360
# each Makefile.in and add a new line on top of each file to say so.
361
# Grep'ing the whole file is not good either: AIX grep has a line
362
# limit of 2048, but all sed's we know have understand at least 4000.
363
if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
364
dirpart=`AS_DIRNAME("$mf")`
368
# Extract the definition of DEPDIR, am__include, and am__quote
369
# from the Makefile without running `make'.
370
DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
371
test -z "$DEPDIR" && continue
372
am__include=`sed -n 's/^am__include = //p' < "$mf"`
373
test -z "am__include" && continue
374
am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
375
# When using ansi2knr, U may be empty or an underscore; expand it
376
U=`sed -n 's/^U = //p' < "$mf"`
377
# Find all dependency output files, they are included files with
378
# $(DEPDIR) in their names. We invoke sed twice because it is the
379
# simplest approach to changing $(DEPDIR) to its actual value in the
381
for file in `sed -n "
382
s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
383
sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
384
# Make sure the directory exists.
385
test -f "$dirpart/$file" && continue
386
fdir=`AS_DIRNAME(["$file"])`
387
AS_MKDIR_P([$dirpart/$fdir])
388
# echo "creating $dirpart/$file"
389
echo '# dummy' > "$dirpart/$file"
393
])# _AM_OUTPUT_DEPENDENCY_COMMANDS
396
# AM_OUTPUT_DEPENDENCY_COMMANDS
397
# -----------------------------
398
# This macro should only be invoked once -- use via AC_REQUIRE.
400
# This code is only required when automatic dependency tracking
401
# is enabled. FIXME. This creates each `.P' file that we will
402
# need in order to bootstrap the dependency handling code.
403
AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
404
[AC_CONFIG_COMMANDS([depfiles],
405
[test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
406
[AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
147
409
# Do all the work for Automake. -*- Autoconf -*-
149
411
# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
added
removed
aclocal.m4
