gcc/zlib/configure.in

151 lines
4.2 KiB
Plaintext
Raw Normal View History

dnl Process this with autoconf to create configure
AC_INIT(zlib.h)
# This works around the fact that libtool configuration may change LD
# for this particular configuration, but some shells, instead of
# keeping the changes in LD private, export them just because LD is
# exported.
ORIGINAL_LD_FOR_MULTILIBS=$LD
dnl We may get other options which we dont document:
dnl --with-target-subdir, --with-multisrctop, --with-multisubdir
if test "x[$]{with_target_subdir}" != x && \
test "[$]{srcdir}" = "."; then
if test "[$]{with_target_subdir}" != "."; then
zlib_basedir="[$]{srcdir}/[$]{with_multisrctop}../"
else
zlib_basedir="[$]{srcdir}/[$]{with_multisrctop}"
fi
else
zlib_basedir="[$]{srcdir}/"
fi
AC_SUBST(zlib_basedir)
AC_CONFIG_AUX_DIR($zlib_basedir..)
if :; then :; else
# This overrides the previous occurrence for automake, but not for
# autoconf, which is exactly what we want.
AC_CONFIG_AUX_DIR(..)
fi
AC_CANONICAL_SYSTEM
# This works around an automake problem.
Makefile.in: Allow for PWDCMD to override hardcoded pwd. * Makefile.in: Allow for PWDCMD to override hardcoded pwd. * config-ml.in: Likewise. * configure: Likewise. * configure.in: Likewise. boehm-gc: * acinclude.m4: Allow for PWDCMD to override hardcoded pwd. * aclocal.m4: Regenerate. * configure: Regenerate. config: * acinclude.m4: Allow for PWDCMD to override hardcoded pwd. contrib: * test_installed: Allow for PWDCMD to override hardcoded pwd. * test_summary: Likewise. gcc: * Makefile.in: Allow for PWDCMD to override hardcoded pwd. * configure.in: Likewise. * fixinc/check.tpl: Likewise. * fixinc/fixinc.dgux: Likewise. * fixinc/fixinc.svr4: Likewise. * fixinc/fixinc.winnt: Likewise. * fixinc/fixincl.sh: Likewise. * fixproto: Likewise. * configure: Regenerate. gcc/ada: * Makefile.adalib: Allow for PWDCMD to override hardcoded pwd. * Makefile.in: Likewise. gcc/f: * Make-lang.in: Allow for PWDCMD to override hardcoded pwd. gcc/java: * Make-lang.in: Allow for PWDCMD to override hardcoded pwd. gcc/po: * exgettext: Allow for PWDCMD to override hardcoded pwd. gcc/treelang: * Make-lang.in: Allow for PWDCMD to override hardcoded pwd. libf2c: * Makefile.in: Allow for PWDCMD to override hardcoded pwd. * aclocal.m4: Likewise. * configure: Regenerate. libjava: * acinclude.m4: Allow for PWDCMD to override hardcoded pwd. * configure.in: Likewise. * aclocal.m4: Regenerate. * configure: Regenerate. libobjc: * aclocal.m4: Allow for PWDCMD to override hardcoded pwd. * configure: Regenerate. libstdc++-v3: * Makefile.am: Allow for PWDCMD to override hardcoded pwd. * acinclude.m4: Likewise. * docs/html/Makefile: Likewise. * aclocal.m4: Regenerate. * configure: Regenerate. * Makefile.in: Regenerate. zlib: * configure.in: Allow for PWDCMD to override hardcoded pwd. * configure: Regenerate. * ChangeLog: Move entries to ChangeLog.gcj. From-SVN: r53523
2002-05-16 19:43:21 +02:00
mkinstalldirs="`cd $ac_aux_dir && ${PWDCMD-pwd}`/mkinstalldirs"
AC_SUBST(mkinstalldirs)
AM_INIT_AUTOMAKE(zlib, 1.1.3)
AM_MAINTAINER_MODE
dnl We use these options to decide which functions to include.
AC_ARG_WITH(target-subdir,
[ --with-target-subdir=SUBDIR
configuring in a subdirectory])
AC_ARG_WITH(cross-host,
[ --with-cross-host=HOST configuring with a cross compiler])
dnl Default to --enable-multilib
AC_ARG_ENABLE(multilib,
[ --enable-multilib build many library versions (default)],
[case "${enableval}" in
yes) multilib=yes ;;
no) multilib=no ;;
*) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
esac], [test -z "$with_target_subdir" && multilib=no || multilib=yes])dnl
AC_ARG_WITH(system-zlib,
[ --with-system-zlib use installed libz])
LIB_AC_PROG_CC
# We need AC_EXEEXT to keep automake happy in cygnus mode. However,
# at least currently, we never actually build a program, so we never
# need to use $(EXEEXT). Moreover, the test for EXEEXT normally
# fails, because we are probably configuring with a cross compiler
# which cant create executables. So we include AC_EXEEXT to keep
# automake happy, but we dont execute it, since we dont care about
# the result.
if false; then
# autoconf 2.50 runs AC_EXEEXT by default, and the macro expands
# to nothing, so nothing would remain between `then' and `fi' if it
# were not for the `:' below.
:
AC_EXEEXT
fi
AM_PROG_LIBTOOL
if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
COMPPATH=.
else
COMPPATH=..
fi
AC_SUBST(COMPPATH)
# Find CPP now so that any conditional tests below won't do it and
# thereby make the resulting definitions conditional.
AC_PROG_CPP
if test -n "$with_cross_host"; then
# We are being configured with a cross compiler. AC_REPLACE_FUNCS
# may not work correctly, because the compiler may not be able to
# link executables.
# We assume newlib. This lets us hard-code the functions we know
# we'll have.
AC_DEFINE(HAVE_MEMCPY)
AC_DEFINE(HAVE_STRERROR)
# We ignore --with-system-zlib in this case.
target_all=libzgcj.la
else
AC_FUNC_MMAP
AC_CHECK_FUNCS(memcpy strerror)
if test "$with_system_zlib" = yes; then
AC_CHECK_LIB(z, deflate, target_all=, target_all=libzgcj.la)
else
target_all=libzgcj.la
fi
fi
AC_SUBST(target_all)
AC_CHECK_HEADERS(unistd.h)
if test -n "$with_cross_host" &&
test x"$with_cross_host" != x"no"; then
toolexecdir='$(exec_prefix)/$(target_alias)'
toolexeclibdir='$(toolexecdir)/lib'
else
toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
toolexeclibdir='$(libdir)'
fi
toolexeclibdir=$toolexeclibdir/`$CC -print-multi-os-directory 2>/dev/null || echo .`
AC_SUBST(toolexecdir)
AC_SUBST(toolexeclibdir)
AM_CONDITIONAL(TARGET_LIBRARY, test -n "$with_target_subdir")
if test "${multilib}" = "yes"; then
multilib_arg="--enable-multilib"
else
multilib_arg=
fi
AC_OUTPUT(Makefile,
[if test -n "$CONFIG_FILES"; then
LD="${ORIGINAL_LD_FOR_MULTILIBS}"
ac_file=Makefile . ${zlib_basedir}/../config-ml.in
fi],
srcdir=${srcdir}
host=${host}
target=${target}
with_multisubdir=${with_multisubdir}
ac_configure_args="${multilib_arg} ${ac_configure_args}"
CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
zlib_basedir=${zlib_basedir}
CC="${CC}"
CXX="${CXX}"
)