| dnl Process this with autoconf to create configure |
| |
| AC_INIT(zlib.h) |
| AC_CANONICAL_SYSTEM |
| AM_INIT_AUTOMAKE(zlib, 1.1.3) |
| |
| AM_MAINTAINER_MODE |
| |
| AC_CONFIG_AUX_DIR(..) |
| |
| 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 |
| |
| 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_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 $(EXEEXT). Moreover, the test for EXEEXT normally |
| # fails, because we are probably configuring with a cross compiler |
| # which cant create executables. So we include AC_EXEEXT to keep |
| # automake happy, but we dont execute it, since we dont care about |
| # the result. |
| if false; then |
| AC_EXEEXT |
| fi |
| AM_PROG_LIBTOOL |
| |
| if test -z "$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 "$with_system_zlib" = yes; then |
| AC_CHECK_LIB(z, deflate, target_all=, target_all=libzgcj.la) |
| else |
| target_all=libzgcj.la |
| fi |
| fi |
| |
| AC_SUBST(target_all) |
| |
| AC_CHECK_HEADERS(unistd.h) |
| |
| AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host") |
| 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 |
| 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}" |
| ) |