#! /bin/sh
clean=
maintainer=
while test $do
case "$1" in
--maintainer)
maintainer=1;;
--clean)
clean=1;;
*)
exec >&2
echo "$0: usage: ./autogen.sh"
if test -d .git
then
echo " ./autogen.sh generates the configure script and"
echo " Makefile.in, or refreshes them after changes to Makefile.am"
echo " or configure.ac. You may prefer to just run autoreconf."
elif test -z "$maintainer"
then
echo " DO NOT RUN THIS SCRIPT."
echo " If you need to change Makefile.am or configure.ac then you"
echo " also need to run ./configure --enable-maintainer-mode and"
echo " use the appropriate autotools, *NOT* this script, to update"
echo " everything, please check the documentation of autoreconf."
echo " WARNING: libpng is intentionally generated with a known,"
echo " fixed, set of autotools. It is known *NOT* to work with"
echo " the collection of autotools distributed on highly reputable"
echo " operating systems."
echo " Remember: autotools is GNU software, you are expected to"
echo " pay for support."
else
echo " You have run autogen.sh with --maintainer enabled and you"
echo " are not using a GIT distribution, then you have given an"
echo " unrecognized argument. This is not good. --maintainer"
echo " switches off any assumptions that you might not know what"
echo " you are doing."
fi
exit 1;;
esac
shift
done
libpng_autotools_files="Makefile.in aclocal.m4 config.guess config.h.in
config.sub configure depcomp install-sh ltmain.sh missing\
test-driver"
libpng_autotools_extra="compile config.h.in~"
libpng_libtool_files="scripts/libtool.m4 scripts/ltoptions.m4\
scripts/ltsugar.m4 scripts/ltversion.m4 scripts/lt~obsolete.m4"
libpng_autotools_dirs="autom4te.cache" libpng_configure_files="Makefile config.h config.log config.status\
libpng-config libpng.pc libtool stamp-h1"
libpng_configure_dirs=".deps"
clean_autotools(){
rm -rf $libpng_autotools_files $libpng_libtool_files $libpng_autotools_dirs
rm -rf $libpng_autotools_extra
}
clean_configure(){
rm -rf $libpng_configure_files $libpng_configure_dirs
}
if test -n "$clean"
then
clean_configure
if test -n "$maintainer"
then
clean_autotools
fi
exit 0
fi
libpng_autotools_file_found=
libpng_autotools_file_missing=
for file in $libpng_autotools_files
do
if test -f "$file"
then
libpng_autotools_file_found=1
else
libpng_autotools_file_missing=1
fi
done
for file in $libpng_libtool_files
do
if test ! -f "$file"
then
libpng_autotools_file_missing=1
fi
done
mode=
if test -z "$libpng_autotools_file_found" -o -n "$maintainer"
then
mode="autoreconf"
else
if test -n "$libpng_autotools_file_missing"
then
mode="broken"
else
mode="configure"
fi
fi
case "$mode" in
autoreconf)
clean_configure
clean_autotools
if autoreconf --warnings=all --force --install
then
missing=
for file in $libpng_autotools_files
do
test -f "$file" || missing=1
done
test -z "$missing" || {
exec >&2
echo "autoreconf was run, but did not produce all the expected"
echo "files. It is likely that your autotools installation is"
echo "not compatible with that expected by libpng."
exit 1
}
else
exec >&2
echo "autoreconf failed: your version of autotools is incompatible"
echo "with this libpng version. Please use a distributed archive"
echo "(which includes the autotools generated files) and run configure"
echo "instead."
exit 1
fi;;
configure)
if test -d .git
then
exec >&2
echo "ERROR: running autoreconf on an initialized sytem"
echo " This is not necessary; it is only necessary to remake the"
echo " autotools generated files if Makefile.am or configure.ac"
echo " change and make does the right thing with:"
echo
echo " ./configure --enable-maintainer-mode."
echo
echo " You can run autoreconf yourself if you don't like maintainer"
echo " mode and you can also just run autoreconf -f -i to initialize"
echo " everything in the first place; this script is only for"
echo " compatibility with prior releases."
exit 1
else
exec >&2
echo "autogen.sh is intended only to generate 'configure' on systems"
echo "that do not have it. You have a complete 'configure', if you"
echo "need to change Makefile.am or configure.ac you also need to"
echo "run configure with the --enable-maintainer-mode option."
exit 1
fi;;
broken)
exec >&2
echo "Your system has a partial set of autotools generated files."
echo "autogen.sh is unable to proceed. The full set of files is"
echo "contained in the libpng 'tar' distribution archive and you do"
echo "not need to run autogen.sh if you use it."
exit 1;;
esac