1dnl Process this with autoconf to create configure 2 3AC_PREREQ(2.64) 4AC_INIT 5AC_CONFIG_SRCDIR([zlib.h]) 6 7if test -n "${with_target_subdir}"; then 8 AM_ENABLE_MULTILIB(, ..) 9fi 10 11AC_CANONICAL_SYSTEM 12 13# This works around an automake problem. 14mkinstalldirs="`cd $ac_aux_dir && ${PWDCMD-pwd}`/mkinstalldirs" 15AC_SUBST(mkinstalldirs) 16 17AM_INIT_AUTOMAKE(zlib, 1.1.4) 18 19AM_MAINTAINER_MODE 20 21dnl We use these options to decide which functions to include. 22AC_ARG_WITH(target-subdir, 23[ --with-target-subdir=SUBDIR 24 configuring in a subdirectory]) 25 26if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then 27 COMPPATH=. 28else 29 COMPPATH=.. 30fi 31AC_SUBST(COMPPATH) 32 33AC_ARG_WITH(cross-host, 34[ --with-cross-host=HOST configuring with a cross compiler]) 35 36dnl Default to --enable-multilib 37AC_ARG_ENABLE(multilib, 38[ --enable-multilib build many library versions (default)], 39[case "${enableval}" in 40 yes) multilib=yes ;; 41 no) multilib=no ;; 42 *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;; 43 esac], [test -z "$with_target_subdir" && multilib=no || multilib=yes])dnl 44 45AC_ARG_WITH(system-zlib, 46[ --with-system-zlib use installed libz]) 47 48# Make sure we don't test executables when making cross-tools. 49GCC_NO_EXECUTABLES 50 51# The same as in boehm-gc and libstdc++. Have to borrow it from there. 52# We must force CC to /not/ be precious variables; otherwise 53# the wrong, non-multilib-adjusted value will be used in multilibs. 54# As a side effect, we have to subst CFLAGS ourselves. 55 56m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS]) 57m4_define([_AC_ARG_VAR_PRECIOUS],[]) 58AC_PROG_CC 59m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS]) 60 61AC_SUBST(CFLAGS) 62 63AC_PROG_LIBTOOL 64 65# Find CPP now so that any conditional tests below won't do it and 66# thereby make the resulting definitions conditional. 67AC_PROG_CPP 68 69if test -n "$with_cross_host"; then 70 # We are being configured with a cross compiler. AC_REPLACE_FUNCS 71 # may not work correctly, because the compiler may not be able to 72 # link executables. 73 74 # We assume newlib. This lets us hard-code the functions we know 75 # we'll have. 76 AC_DEFINE(HAVE_MEMCPY) 77 AC_DEFINE(HAVE_STRERROR) 78 79 # We ignore --with-system-zlib in this case. 80 target_all=libzgcj.la 81else 82 AC_FUNC_MMAP 83 AC_CHECK_FUNCS(memcpy strerror) 84 85 if test "$with_system_zlib" = yes; then 86 AC_CHECK_LIB(z, deflate, target_all=, target_all=libzgcj.la) 87 else 88 target_all=libzgcj.la 89 fi 90fi 91 92AC_SUBST(target_all) 93 94AC_CHECK_HEADERS(unistd.h) 95 96if test -n "$with_cross_host" && 97 test x"$with_cross_host" != x"no"; then 98 toolexecdir='$(exec_prefix)/$(target_alias)' 99 toolexeclibdir='$(toolexecdir)/lib' 100else 101 toolexecdir='$(libdir)/gcc-lib/$(target_alias)' 102 toolexeclibdir='$(libdir)' 103fi 104if test "$GCC" = yes && $CC -print-multi-os-directory > /dev/null 2>&1; then 105 multiosdir=/`$CC -print-multi-os-directory` 106 case $multiosdir in 107 /.) multiosdir= ;; # Avoid trailing /. 108 esac 109else 110 multiosdir= 111fi 112toolexeclibdir=${toolexeclibdir}${multiosdir} 113AC_SUBST(toolexecdir) 114AC_SUBST(toolexeclibdir) 115 116AM_CONDITIONAL(TARGET_LIBRARY, test -n "$with_target_subdir") 117 118if test "${multilib}" = "yes"; then 119 multilib_arg="--enable-multilib" 120else 121 multilib_arg= 122fi 123 124AC_ARG_ENABLE(host-shared, 125[AS_HELP_STRING([--enable-host-shared], 126 [build host code as shared libraries])], 127[PICFLAG=-fPIC], [PICFLAG=]) 128AC_SUBST(PICFLAG) 129 130AC_CONFIG_FILES([Makefile]) 131AC_OUTPUT 132