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newlib: enable automatic dependency generation 

This was disabled as part of the migration away from the cygnus option
as that implied no-dependencies.

We currently have 1-to-1 updates enabled -- if you touch a .c file,
the corresponding .o file will be rebuilt.  But if you touch a header
file, none of the files using that get rebuilt.
This commit is contained in:
Mike Frysinger 2022-02-28 23:36:27 -05:00
parent 48c9ef6780
commit d88cbd0e7c
4 changed files with 32111 additions and 7151 deletions
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38502
newlib/Makefile.in
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File diff suppressed because it is too large Load Diff

2
newlib/acinclude.m4
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@ -114,7 +114,7 @@ AC_SUBST(abs_newlib_basedir)
AC_CANONICAL_HOST
AM_INIT_AUTOMAKE([foreign no-installinfo no-dependencies no-dist no-define subdir-objects 1.15.1])
AM_INIT_AUTOMAKE([foreign no-installinfo no-dist no-define subdir-objects 1.15.1])
AM_MAINTAINER_MODE
AM_SILENT_RULES(yes)

316
newlib/aclocal.m4 vendored
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@ -221,6 +221,271 @@ AC_CONFIG_COMMANDS_PRE(
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442
newlib/configure vendored
View File

@ -850,9 +850,22 @@ READELF
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@ -986,6 +999,7 @@ enable_newlib_supplied_syscalls
enable_newlib_fno_builtin
enable_silent_rules
enable_maintainer_mode
enable_dependency_tracking
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ac_precious_vars='build_alias
host_alias
@ -1655,6 +1669,10 @@ Optional Features:
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enable make rules and dependencies not useful (and
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--enable-dependency-tracking
do not reject slow dependency extractors
--disable-dependency-tracking
speeds up one-time build
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CC C compiler command
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case $depmode in
gcc)
# This depmode causes a compiler race in universal mode.
test "$am__universal" = false || continue
;;
nosideeffect)
# After this tag, mechanisms are not by side-effect, so they'll
# only be used when explicitly requested.
if test "x$enable_dependency_tracking" = xyes; then
continue
else
break
fi
;;
msvc7 | msvc7msys | msvisualcpp | msvcmsys)
# This compiler won't grok '-c -o', but also, the minuso test has
# not run yet. These depmodes are late enough in the game, and
# so weak that their functioning should not be impacted.
am__obj=conftest.${OBJEXT-o}
am__minus_obj=
;;
none) break ;;
esac
if depmode=$depmode \
source=sub/conftest.c object=$am__obj \
depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
$SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
>/dev/null 2>conftest.err &&
grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
${MAKE-make} -s -f confmf > /dev/null 2>&1; then
# icc doesn't choke on unknown options, it will just issue warnings
# or remarks (even with -Werror). So we grep stderr for any message
# that says an option was ignored or not supported.
# When given -MP, icc 7.0 and 7.1 complain thusly:
# icc: Command line warning: ignoring option '-M'; no argument required
# The diagnosis changed in icc 8.0:
# icc: Command line remark: option '-MP' not supported
if (grep 'ignoring option' conftest.err ||
grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
am_cv_CCAS_dependencies_compiler_type=$depmode
break
fi
fi
done
cd ..
rm -rf conftest.dir
else
am_cv_CCAS_dependencies_compiler_type=none
fi
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_CCAS_dependencies_compiler_type" >&5
$as_echo "$am_cv_CCAS_dependencies_compiler_type" >&6; }
CCASDEPMODE=depmode=$am_cv_CCAS_dependencies_compiler_type
if
test "x$enable_dependency_tracking" != xno \
&& test "$am_cv_CCAS_dependencies_compiler_type" = gcc3; then
am__fastdepCCAS_TRUE=
am__fastdepCCAS_FALSE='#'
else
am__fastdepCCAS_TRUE='#'
am__fastdepCCAS_FALSE=
fi
if test -n "$ac_tool_prefix"; then
for ac_prog in ar lib "link -lib"
@ -7094,6 +7429,18 @@ if test -z "${MAINTAINER_MODE_TRUE}" && test -z "${MAINTAINER_MODE_FALSE}"; then
as_fn_error $? "conditional \"MAINTAINER_MODE\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then
as_fn_error $? "conditional \"AMDEP\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then
as_fn_error $? "conditional \"am__fastdepCC\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${am__fastdepCCAS_TRUE}" && test -z "${am__fastdepCCAS_FALSE}"; then
as_fn_error $? "conditional \"am__fastdepCCAS\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${ELIX_LEVEL_0_TRUE}" && test -z "${ELIX_LEVEL_0_FALSE}"; then
as_fn_error $? "conditional \"ELIX_LEVEL_0\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
@ -8174,6 +8521,7 @@ CC="$CC"
CXX="$CXX"
GFORTRAN="$GFORTRAN"
GCJ="$GCJ"
AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"
_ACEOF
@ -8186,6 +8534,7 @@ do
"newlib.h") CONFIG_HEADERS="$CONFIG_HEADERS newlib.h:newlib.hin" ;;
"_newlib_version.h") CONFIG_HEADERS="$CONFIG_HEADERS _newlib_version.h:_newlib_version.hin" ;;
"default-1") CONFIG_COMMANDS="$CONFIG_COMMANDS default-1" ;;
"depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;;
"Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
*) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
@ -8791,6 +9140,99 @@ case " $CONFIG_FILES " in
ac_file=Makefile . ${multi_basedir}/config-ml.in
;;
esac ;;
"depfiles":C) test x"$AMDEP_TRUE" != x"" || {
# Older Autoconf quotes --file arguments for eval, but not when files
# are listed without --file. Let's play safe and only enable the eval
# if we detect the quoting.
case $CONFIG_FILES in
*\'*) eval set x "$CONFIG_FILES" ;;
*) set x $CONFIG_FILES ;;
esac
shift
for mf
do
# Strip MF so we end up with the name of the file.
mf=`echo "$mf" | sed -e 's/:.*$//'`
# Check whether this is an Automake generated Makefile or not.
# We used to match only the files named 'Makefile.in', but
# some people rename them; so instead we look at the file content.
# Grep'ing the first line is not enough: some people post-process
# each Makefile.in and add a new line on top of each file to say so.
# Grep'ing the whole file is not good either: AIX grep has a line
# limit of 2048, but all sed's we know have understand at least 4000.
if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
dirpart=`$as_dirname -- "$mf" ||
$as_expr X"$mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
X"$mf" : 'X\(//\)[^/]' \| \
X"$mf" : 'X\(//\)$' \| \
X"$mf" : 'X\(/\)' \| . 2>/dev/null ||
$as_echo X"$mf" |
sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
s//\1/
q
}
/^X\(\/\/\)[^/].*/{
s//\1/
q
}
/^X\(\/\/\)$/{
s//\1/
q
}
/^X\(\/\).*/{
s//\1/
q
}
s/.*/./; q'`
else
continue
fi
# Extract the definition of DEPDIR, am__include, and am__quote
# from the Makefile without running 'make'.
DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
test -z "$DEPDIR" && continue
am__include=`sed -n 's/^am__include = //p' < "$mf"`
test -z "$am__include" && continue
am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
# Find all dependency output files, they are included files with
# $(DEPDIR) in their names. We invoke sed twice because it is the
# simplest approach to changing $(DEPDIR) to its actual value in the
# expansion.
for file in `sed -n "
s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g'`; do
# Make sure the directory exists.
test -f "$dirpart/$file" && continue
fdir=`$as_dirname -- "$file" ||
$as_expr X"$file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
X"$file" : 'X\(//\)[^/]' \| \
X"$file" : 'X\(//\)$' \| \
X"$file" : 'X\(/\)' \| . 2>/dev/null ||
$as_echo X"$file" |
sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
s//\1/
q
}
/^X\(\/\/\)[^/].*/{
s//\1/
q
}
/^X\(\/\/\)$/{
s//\1/
q
}
/^X\(\/\).*/{
s//\1/
q
}
s/.*/./; q'`
as_dir=$dirpart/$fdir; as_fn_mkdir_p
# echo "creating $dirpart/$file"
echo '# dummy' > "$dirpart/$file"
done
done
}
;;
esac
done # for ac_tag