| dnl Process this with autoconf to create configure |
| |
| AC_INIT([zlib], [1.1.4]) |
| AC_CONFIG_SRCDIR([zlib.h]) |
| |
| if test -n "${with_target_subdir}"; then |
| AM_ENABLE_MULTILIB(, ..) |
| fi |
| |
| AC_CANONICAL_SYSTEM |
| |
| # This works around an automake problem. |
| mkinstalldirs="`cd $ac_aux_dir && ${PWDCMD-pwd}`/mkinstalldirs" |
| AC_SUBST(mkinstalldirs) |
| |
| AM_INIT_AUTOMAKE |
| |
| AM_MAINTAINER_MODE |
| |
| dnl We use these options to decide which functions to include. |
| AC_ARG_WITH(target-subdir, |
| [ --with-target-subdir=SUBDIR |
| configuring in a subdirectory]) |
| |
| if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then |
| COMPPATH=. |
| else |
| COMPPATH=.. |
| fi |
| AC_SUBST(COMPPATH) |
| |
| AC_ARG_WITH(cross-host, |
| [ --with-cross-host=HOST configuring with a cross compiler]) |
| |
| dnl Default to --enable-multilib |
| AC_ARG_ENABLE(multilib, |
| [ --enable-multilib build many library versions (default)], |
| [case "${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]) |
| |
| # Make sure we don't test executables when making cross-tools. |
| GCC_NO_EXECUTABLES |
| |
| # The same as in boehm-gc and libstdc++. Have to borrow it from there. |
| # We must force CC to /not/ be precious variables; otherwise |
| # the wrong, non-multilib-adjusted value will be used in multilibs. |
| # As a side effect, we have to subst CFLAGS ourselves. |
| |
| m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS]) |
| m4_define([_AC_ARG_VAR_PRECIOUS],[]) |
| AC_PROG_CC |
| m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS]) |
| |
| AC_SUBST(CFLAGS) |
| |
| # Add CET specific flags if CET is enabled |
| GCC_CET_FLAGS(CET_FLAGS) |
| AC_SUBST(CET_FLAGS) |
| |
| AC_PROG_LIBTOOL |
| |
| # 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 "$with_cross_host"; then |
| # We are being configured with a cross compiler. AC_REPLACE_FUNCS |
| # may not work correctly, because the compiler may not be able to |
| # link executables. |
| |
| # We assume newlib. This lets us hard-code the functions we know |
| # we'll have. |
| AC_DEFINE(HAVE_MEMCPY) |
| AC_DEFINE(HAVE_STRERROR) |
| else |
| AC_FUNC_MMAP |
| AC_CHECK_FUNCS(memcpy strerror) |
| fi |
| |
| AC_CHECK_HEADERS(unistd.h) |
| |
| GCC_WITH_TOOLEXECLIBDIR |
| |
| if test -n "$with_cross_host" && |
| test x"$with_cross_host" != x"no"; then |
| toolexecdir='$(exec_prefix)/$(target_alias)' |
| case ${with_toolexeclibdir} in |
| no) |
| toolexeclibdir='$(toolexecdir)/lib' |
| ;; |
| *) |
| toolexeclibdir=${with_toolexeclibdir} |
| ;; |
| esac |
| else |
| toolexecdir='$(libdir)/gcc-lib/$(target_alias)' |
| toolexeclibdir='$(libdir)' |
| fi |
| if test "$GCC" = yes && $CC -print-multi-os-directory > /dev/null 2>&1; then |
| multiosdir=/`$CC -print-multi-os-directory` |
| case $multiosdir in |
| /.) multiosdir= ;; # Avoid trailing /. |
| esac |
| else |
| multiosdir= |
| fi |
| toolexeclibdir=${toolexeclibdir}${multiosdir} |
| AC_SUBST(toolexecdir) |
| AC_SUBST(toolexeclibdir) |
| |
| AM_CONDITIONAL(TARGET_LIBRARY, test -n "$with_target_subdir") |
| |
| if test "${multilib}" = "yes"; then |
| multilib_arg="--enable-multilib" |
| else |
| multilib_arg= |
| fi |
| |
| AC_ARG_ENABLE(host-shared, |
| [AS_HELP_STRING([--enable-host-shared], |
| [build host code as shared libraries])], |
| [PICFLAG=-fPIC], [PICFLAG=]) |
| AC_SUBST(PICFLAG) |
| |
| AC_CONFIG_FILES([Makefile]) |
| AC_OUTPUT |