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c-ares
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#!/bin/sh
#--------------------------------------------------------------------------
# die prints argument string to stdout and exits this shell script.
#
die(){
echo "buildconf: $@"
exit 1
}
#--------------------------------------------------------------------------
# findtool works as 'which' but we use a different name to make it more
# obvious we aren't using 'which'! ;-)
#
findtool(){
file="$1"
if { echo "$file" | grep "/" >/dev/null 2>&1; } then
# when file is given with a path check it first
if test -f "$file"; then
echo "$file"
return
fi
fi
old_IFS=$IFS; IFS=':'
for path in $PATH
do
IFS=$old_IFS
# echo "checks for $file in $path" >&2
if test -f "$path/$file"; then
echo "$path/$file"
return
fi
done
IFS=$old_IFS
}
#--------------------------------------------------------------------------
# removethis() removes all files and subdirectories with the given name,
# inside and below the current subdirectory at invocation time.
#
removethis(){
if test "$#" = "1"; then
find . -depth -name $1 -print > buildconf.tmp.$$
while read fdname
do
if test -f "$fdname"; then
rm -f "$fdname"
elif test -d "$fdname"; then
rm -f -r "$fdname"
fi
done < buildconf.tmp.$$
rm -f buildconf.tmp.$$
fi
}
#--------------------------------------------------------------------------
# Ensure that buildconf runs from the subdirectory where configure.ac lives
#
if test ! -f configure.ac ||
test ! -f ares_init.c ||
test ! -f m4/cares-functions.m4; then
echo "Can not run buildconf from outside of c-ares source subdirectory!"
echo "Change to the subdirectory where buildconf is found, and try again."
exit 1
fi
#--------------------------------------------------------------------------
# GNU libtool preliminary check
#
want_lt_major=1
want_lt_minor=4
want_lt_patch=2
want_lt_version=1.4.2
# This approach that tries 'glibtoolize first is intended for systems that
# have GNU libtool named as 'glibtoolize' and libtoolize not being GNU's.
libtoolize=`findtool glibtoolize 2>/dev/null`
if test ! -x "$libtoolize"; then
libtoolize=`findtool ${LIBTOOLIZE:-libtoolize}`
fi
if test -z "$libtoolize"; then
echo "buildconf: libtoolize not found."
echo " You need GNU libtoolize $want_lt_version or newer installed."
exit 1
fi
lt_pver=`$libtoolize --version 2>/dev/null|head -n 1`
lt_qver=`echo $lt_pver|sed -e "s/([^)]*)//g" -e "s/^[^0-9]*//g"`
lt_version=`echo $lt_qver|sed -e "s/[- ].*//" -e "s/\([a-z]*\)$//"`
if test -z "$lt_version"; then
echo "buildconf: libtoolize not found."
echo " You need GNU libtoolize $want_lt_version or newer installed."
exit 1
fi
old_IFS=$IFS; IFS='.'; set $lt_version; IFS=$old_IFS
lt_major=$1
lt_minor=$2
lt_patch=$3
if test -z "$lt_major"; then
lt_status="bad"
elif test "$lt_major" -gt "$want_lt_major"; then
lt_status="good"
elif test "$lt_major" -lt "$want_lt_major"; then
lt_status="bad"
elif test -z "$lt_minor"; then
lt_status="bad"
elif test "$lt_minor" -gt "$want_lt_minor"; then
lt_status="good"
elif test "$lt_minor" -lt "$want_lt_minor"; then
lt_status="bad"
elif test -z "$lt_patch"; then
lt_status="bad"
elif test "$lt_patch" -gt "$want_lt_patch"; then
lt_status="good"
elif test "$lt_patch" -lt "$want_lt_patch"; then
lt_status="bad"
else
lt_status="good"
fi
if test "$lt_status" != "good"; then
echo "buildconf: libtoolize version $lt_version found."
echo " You need GNU libtoolize $want_lt_version or newer installed."
exit 1
fi
#--------------------------------------------------------------------------
# perl check
#
PERL=`findtool ${PERL:-perl}`
if test -z "$PERL"; then
echo "buildconf: perl not found"
exit 1
fi
#--------------------------------------------------------------------------
# Remove files generated on previous buildconf/configure run.
#
for fname in .deps \
.libs \
*.la \
*.lo \
*.a \
*.o \
Makefile \
Makefile.in \
aclocal.m4 \
aclocal.m4.bak \
ares_build.h \
ares_config.h \
ares_config.h.in \
autom4te.cache \
compile \
config.guess \
config.log \
config.lt \
config.status \
config.sub \
configure \
depcomp \
libcares.pc \
libtool \
libtool.m4 \
libtool.m4.tmp \
ltmain.sh \
ltoptions.m4 \
ltsugar.m4 \
ltversion.m4 \
lt~obsolete.m4 \
missing \
stamp-h1 \
stamp-h2 ; do
removethis "$fname"
done
#--------------------------------------------------------------------------
# run the correct scripts now
#
echo "buildconf: running libtoolize"
${libtoolize} --copy --automake --force || die "libtoolize command failed"
# When using libtool 1.5.X (X < 26) we copy libtool.m4 to our local m4
# subdirectory and this local copy is patched to fix some warnings that
# are triggered when running aclocal and using autoconf 2.62 or later.
if test "$lt_major" = "1" && test "$lt_minor" = "5"; then
if test -z "$lt_patch" || test "$lt_patch" -lt "26"; then
echo "buildconf: copying libtool.m4 to local m4 subdir"
ac_dir=`${ACLOCAL:-aclocal} --print-ac-dir`
if test -f $ac_dir/libtool.m4; then
cp -f $ac_dir/libtool.m4 m4/libtool.m4
else
echo "buildconf: $ac_dir/libtool.m4 not found"
fi
if test -f m4/libtool.m4; then
echo "buildconf: renaming some variables in local m4/libtool.m4"
$PERL -i.tmp -pe \
's/lt_prog_compiler_pic_works/lt_cv_prog_compiler_pic_works/g; \
s/lt_prog_compiler_static_works/lt_cv_prog_compiler_static_works/g;' \
m4/libtool.m4
rm -f m4/libtool.m4.tmp
fi
fi
fi
if test -f m4/libtool.m4; then
echo "buildconf: converting all mv to mv -f in local m4/libtool.m4"
$PERL -i.tmp -pe 's/\bmv +([^-\s])/mv -f $1/g' m4/libtool.m4
rm -f m4/libtool.m4.tmp
fi
echo "buildconf: running aclocal"
${ACLOCAL:-aclocal} -I m4 $ACLOCAL_FLAGS || die "aclocal command failed"
echo "buildconf: converting all mv to mv -f in local aclocal.m4"
$PERL -i.bak -pe 's/\bmv +([^-\s])/mv -f $1/g' aclocal.m4
echo "buildconf: running autoheader"
${AUTOHEADER:-autoheader} || die "autoheader command failed"
echo "buildconf: running autoconf"
${AUTOCONF:-autoconf} || die "autoconf command failed"
echo "buildconf: running automake"
${AUTOMAKE:-automake} --add-missing --copy || die "automake command failed"
#--------------------------------------------------------------------------
# GNU libtool complementary check
#
# Depending on the libtool and automake versions being used, config.guess
# might not be installed in the subdirectory until automake has finished.
# So we can not attempt to use it until this very last buildconf stage.
#
if test ! -f ./config.guess; then
echo "buildconf: config.guess not found"
else
buildhost=`./config.guess 2>/dev/null|head -n 1`
case $buildhost in
*-*-darwin*)
need_lt_major=1
need_lt_minor=5
need_lt_patch=26
need_lt_check="yes"
;;
*-*-hpux*)
need_lt_major=1
need_lt_minor=5
need_lt_patch=24
need_lt_check="yes"
;;
esac
if test ! -z "$need_lt_check"; then
if test -z "$lt_major"; then
lt_status="bad"
elif test "$lt_major" -gt "$need_lt_major"; then
lt_status="good"
elif test "$lt_major" -lt "$need_lt_major"; then
lt_status="bad"
elif test -z "$lt_minor"; then
lt_status="bad"
elif test "$lt_minor" -gt "$need_lt_minor"; then
lt_status="good"
elif test "$lt_minor" -lt "$need_lt_minor"; then
lt_status="bad"
elif test -z "$lt_patch"; then
lt_status="bad"
elif test "$lt_patch" -gt "$need_lt_patch"; then
lt_status="good"
elif test "$lt_patch" -lt "$need_lt_patch"; then
lt_status="bad"
else
lt_status="good"
fi
if test "$lt_status" != "good"; then
need_lt_version="$need_lt_major.$need_lt_minor.$need_lt_patch"
echo "buildconf: libtool version $lt_version found."
echo " $buildhost requires GNU libtool $need_lt_version or newer installed."
rm -f configure
exit 1
fi
fi
fi
#--------------------------------------------------------------------------
# Finished successfully.
#
echo "buildconf: OK"
if test -f "test/buildconf"; then
cd test && ./buildconf
fi
exit 0
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