f85997a697
* configure.ac (AM_ENABLE_MULTILIB): Use only if
${with_target_subdir} isn't empty.
* configure: Regenerated.
131 lines
3.4 KiB
Text
131 lines
3.4 KiB
Text
dnl Process this with autoconf to create configure
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AC_PREREQ(2.64)
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AC_INIT
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AC_CONFIG_SRCDIR([zlib.h])
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if test -n "${with_target_subdir}"; then
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AM_ENABLE_MULTILIB(, ..)
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fi
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AC_CANONICAL_SYSTEM
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# This works around an automake problem.
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mkinstalldirs="`cd $ac_aux_dir && ${PWDCMD-pwd}`/mkinstalldirs"
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AC_SUBST(mkinstalldirs)
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AM_INIT_AUTOMAKE(zlib, 1.1.4)
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AM_MAINTAINER_MODE
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dnl We use these options to decide which functions to include.
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AC_ARG_WITH(target-subdir,
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[ --with-target-subdir=SUBDIR
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configuring in a subdirectory])
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if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
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COMPPATH=.
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else
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COMPPATH=..
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fi
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AC_SUBST(COMPPATH)
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AC_ARG_WITH(cross-host,
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[ --with-cross-host=HOST configuring with a cross compiler])
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dnl Default to --enable-multilib
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AC_ARG_ENABLE(multilib,
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[ --enable-multilib build many library versions (default)],
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[case "${enableval}" in
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yes) multilib=yes ;;
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no) multilib=no ;;
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*) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
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esac], [test -z "$with_target_subdir" && multilib=no || multilib=yes])dnl
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AC_ARG_WITH(system-zlib,
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[ --with-system-zlib use installed libz])
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# Make sure we don't test executables when making cross-tools.
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GCC_NO_EXECUTABLES
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# The same as in boehm-gc and libstdc++. Have to borrow it from there.
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# We must force CC to /not/ be precious variables; otherwise
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# the wrong, non-multilib-adjusted value will be used in multilibs.
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# As a side effect, we have to subst CFLAGS ourselves.
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m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])
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m4_define([_AC_ARG_VAR_PRECIOUS],[])
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AC_PROG_CC
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m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
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AC_SUBST(CFLAGS)
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AC_PROG_LIBTOOL
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# Find CPP now so that any conditional tests below won't do it and
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# thereby make the resulting definitions conditional.
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AC_PROG_CPP
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if test -n "$with_cross_host"; then
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# We are being configured with a cross compiler. AC_REPLACE_FUNCS
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# may not work correctly, because the compiler may not be able to
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# link executables.
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# We assume newlib. This lets us hard-code the functions we know
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# we'll have.
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AC_DEFINE(HAVE_MEMCPY)
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AC_DEFINE(HAVE_STRERROR)
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# We ignore --with-system-zlib in this case.
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target_all=libzgcj.la
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else
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AC_FUNC_MMAP
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AC_CHECK_FUNCS(memcpy strerror)
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if test "$with_system_zlib" = yes; then
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AC_CHECK_LIB(z, deflate, target_all=, target_all=libzgcj.la)
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else
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target_all=libzgcj.la
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fi
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fi
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AC_SUBST(target_all)
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AC_CHECK_HEADERS(unistd.h)
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if test -n "$with_cross_host" &&
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test x"$with_cross_host" != x"no"; then
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toolexecdir='$(exec_prefix)/$(target_alias)'
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toolexeclibdir='$(toolexecdir)/lib'
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else
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toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
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toolexeclibdir='$(libdir)'
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fi
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if test "$GCC" = yes && $CC -print-multi-os-directory > /dev/null 2>&1; then
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multiosdir=/`$CC -print-multi-os-directory`
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case $multiosdir in
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/.) multiosdir= ;; # Avoid trailing /.
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esac
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else
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multiosdir=
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fi
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toolexeclibdir=${toolexeclibdir}${multiosdir}
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AC_SUBST(toolexecdir)
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AC_SUBST(toolexeclibdir)
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AM_CONDITIONAL(TARGET_LIBRARY, test -n "$with_target_subdir")
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if test "${multilib}" = "yes"; then
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multilib_arg="--enable-multilib"
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else
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multilib_arg=
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fi
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AC_ARG_ENABLE(host-shared,
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[AS_HELP_STRING([--enable-host-shared],
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[build host code as shared libraries])],
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[PICFLAG=-fPIC], [PICFLAG=])
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AC_SUBST(PICFLAG)
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AC_CONFIG_FILES([Makefile])
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AC_OUTPUT
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