792 lines
22 KiB
Plaintext
792 lines
22 KiB
Plaintext
dnl Process this file with autoconf to produce a configure script
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AC_INIT
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AC_CONFIG_SRCDIR([xmalloc.c])
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AC_CONFIG_MACRO_DIRS([../config])
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# This works around the fact that libtool configuration may change LD
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# for this particular configuration, but some shells, instead of
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# keeping the changes in LD private, export them just because LD is
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# exported. We don't use libtool yet, but some day we might, so...
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ORIGINAL_LD_FOR_MULTILIBS=$LD
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dnl We use these options to decide which functions to include.
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AC_ARG_WITH(target-subdir,
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[ --with-target-subdir=SUBDIR Configuring in a subdirectory for target])
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AC_ARG_WITH(build-subdir,
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[ --with-build-subdir=SUBDIR Configuring in a subdirectory for build])
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AC_ARG_WITH(cross-host,
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[ --with-cross-host=HOST Configuring with a cross compiler])
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AC_ARG_WITH(newlib,
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[ --with-newlib Configuring with newlib])
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if test "${srcdir}" = "."; then
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if test -n "${with_build_subdir}"; then
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libiberty_topdir="${srcdir}/../.."
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with_target_subdir=
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elif test -z "${with_target_subdir}"; then
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libiberty_topdir="${srcdir}/.."
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else
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if test "${with_target_subdir}" != "."; then
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libiberty_topdir="${srcdir}/${with_multisrctop}../.."
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else
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libiberty_topdir="${srcdir}/${with_multisrctop}.."
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fi
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fi
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else
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libiberty_topdir="${srcdir}/.."
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fi
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AC_SUBST(libiberty_topdir)
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AC_CONFIG_AUX_DIR($libiberty_topdir)
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dnl Very limited version of automake's enable-maintainer-mode
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AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
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dnl maintainer-mode is disabled by default
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AC_ARG_ENABLE(maintainer-mode,
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[ --enable-maintainer-mode
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enable make rules and dependencies not useful
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(and sometimes confusing) to the casual installer],
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maintainer_mode=$enableval,
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maintainer_mode=no)
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AC_MSG_RESULT($maintainer_mode)
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if test "$maintainer_mode" = "yes"; then
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MAINT=''
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NOTMAINT='#'
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else
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MAINT='#'
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NOTMAINT=''
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fi
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AC_SUBST(MAINT)dnl
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AC_SUBST(NOTMAINT)dnl
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if test -z "$ETAGS"; then
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ETAGS=etags
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fi
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AC_SUBST([ETAGS])
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# Do we have a single-tree copy of texinfo? Even if we do, we can't
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# rely on it - libiberty is built before texinfo.
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AC_CHECK_PROG(MAKEINFO, makeinfo, makeinfo, )
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if test "x$MAKEINFO" = "x"; then
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MAKEINFO="@echo makeinfo missing; true"
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BUILD_INFO=
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else
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BUILD_INFO=info
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case "$MAKEINFO" in
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*/missing\ makeinfo*)
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BUILD_INFO=
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AC_MSG_WARN([
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*** Makeinfo is missing. Info documentation will not be built.])
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;;
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*)
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case x"`$MAKEINFO --version | grep 'GNU texinfo'`" in
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x*\ [[1-3]].* )
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MAKEINFO="@echo $MAKEINFO is too old, 4.0 or newer required; true"
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BUILD_INFO=
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AC_MSG_WARN([
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*** Makeinfo is too old. Info documentation will not be built.])
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;;
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esac
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;;
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esac
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fi
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AC_SUBST(MAKEINFO)
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AC_SUBST(BUILD_INFO)
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AC_CHECK_PROG(PERL, perl, perl, )
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if test x"$PERL" = x""; then
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HAVE_PERL='#'
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else
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HAVE_PERL=''
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fi
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AC_SUBST(HAVE_PERL)
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AC_CANONICAL_HOST
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dnl When we start using automake:
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dnl AM_INIT_AUTOMAKE(libiberty, 1.0)
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dnl These must be called before AM_PROG_LIBTOOL, because it may want
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dnl to call AC_CHECK_PROG.
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AC_CHECK_TOOL(AR, ar)
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AC_CHECK_TOOL(RANLIB, ranlib, :)
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GCC_PLUGIN_OPTION(PLUGIN_OPTION)
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if test -n "$PLUGIN_OPTION"; then
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if $AR --help 2>&1 | grep -q "\--plugin"; then
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AR_PLUGIN_OPTION="$PLUGIN_OPTION"
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AC_SUBST(AR_PLUGIN_OPTION)
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fi
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if $RANLIB --help 2>&1 | grep -q "\--plugin"; then
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RANLIB_PLUGIN_OPTION="$PLUGIN_OPTION"
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AC_SUBST(RANLIB_PLUGIN_OPTION)
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fi
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fi
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dnl When switching to automake, replace the following with AM_ENABLE_MULTILIB.
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# Add --enable-multilib to configure.
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# 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],
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[multilib=yes])
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# Even if the default multilib is not a cross compilation,
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# it may be that some of the other multilibs are.
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if test $cross_compiling = no && test $multilib = yes \
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&& test "x${with_multisubdir}" != x ; then
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cross_compiling=maybe
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fi
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# We may wish to install the target headers somewhere.
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AC_MSG_CHECKING([whether to install libiberty headers and static library])
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dnl install-libiberty is disabled by default
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AC_ARG_ENABLE(install-libiberty,
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[ --enable-install-libiberty Install headers and library for end users],
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enable_install_libiberty=$enableval,
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enable_install_libiberty=no)dnl
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# Option parsed, now set things appropriately.
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case x"$enable_install_libiberty" in
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xyes|x)
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target_header_dir=libiberty
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;;
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xno)
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target_header_dir=
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;;
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*)
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# This could be sanity-checked in various ways...
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target_header_dir="${enable_install_libiberty}"
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;;
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esac
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AC_MSG_RESULT($enable_install_libiberty)
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AC_MSG_NOTICE([target_header_dir = $target_header_dir])
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GCC_NO_EXECUTABLES
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AC_PROG_CC
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AC_GNU_SOURCE
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AC_SYS_LARGEFILE
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AC_PROG_CPP_WERROR
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ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wc++-compat \
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-Wstrict-prototypes \
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-Wshadow=local], [ac_libiberty_warn_cflags])
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ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([], [ac_libiberty_warn_cflags])
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AC_PROG_CC_C_O
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# autoconf is lame and doesn't give us any substitution variable for this.
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if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
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NO_MINUS_C_MINUS_O=yes
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else
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OUTPUT_OPTION='-o $@'
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fi
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AC_SUBST(NO_MINUS_C_MINUS_O)
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AC_SUBST(OUTPUT_OPTION)
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AC_C_CONST
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AC_C_INLINE
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AC_C_BIGENDIAN
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dnl When we start using libtool:
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dnl Default to a non shared library. This may be overridden by the
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dnl configure option --enable-shared.
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dnl AM_DISABLE_SHARED
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dnl When we start using libtool:
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dnl AM_PROG_LIBTOOL
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dnl When we start using automake:
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dnl AM_CONFIG_HEADER(config.h:config.in)
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AC_CONFIG_HEADER(config.h:config.in)
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dnl When we start using automake:
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dnl AM_MAINTAINER_MODE
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dnl AC_EXEEXT
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dnl When we start using automake:
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dnl AM_PROG_INSTALL
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AC_PROG_INSTALL
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# Don't build the shared library for build.
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if [[ -n "${with_build_subdir}" ]]; then
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enable_shared=no
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fi
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frag=
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case "${host}" in
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rs6000-ibm-aix3.1 | rs6000-ibm-aix)
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frag=mh-aix ;;
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*-*-cxux7*) frag=mh-cxux7 ;;
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*-*-freebsd2.1.*) frag=mh-fbsd21 ;;
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*-*-freebsd2.2.[[012]]) frag=mh-fbsd21 ;;
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i370-*-opened*) frag=mh-openedition ;;
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i[[34567]]86-*-windows*) frag=mh-windows ;;
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esac
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if [[ -n "${frag}" ]]; then
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frag=${libiberty_topdir}/libiberty/config/$frag
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fi
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GCC_PICFLAG
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# If they didn't specify --enable-shared, don't generate shared libs.
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case "${enable_shared}" in
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yes) shared=yes ;;
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no) shared=no ;;
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"") shared=no ;;
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*) shared=yes ;;
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esac
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# ...unless --enable-host-shared was passed from top-level config:
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if [[ "${enable_host_shared}" = "yes" ]]; then
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shared=yes
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fi
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if [[ "${shared}" != "yes" ]]; then
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PICFLAG=
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fi
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AC_SUBST(PICFLAG)
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NOASANFLAG=
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case " ${CFLAGS} " in
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*\ -fsanitize=address\ *) NOASANFLAG=-fno-sanitize=address ;;
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*\ -fsanitize=hwaddress\ *) NOASANFLAG=-fno-sanitize=hwaddress ;;
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esac
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AC_SUBST(NOASANFLAG)
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GCC_CET_HOST_FLAGS(CET_HOST_FLAGS)
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AC_SUBST(CET_HOST_FLAGS)
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echo "# Warning: this fragment is automatically generated" > temp-frag
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if [[ -n "${frag}" ]] && [[ -f "${frag}" ]]; then
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echo "Appending ${frag} to xhost-mkfrag"
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echo "# Following fragment copied from ${frag}" >> temp-frag
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cat ${frag} >> temp-frag
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fi
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# record if we want to build shared libs.
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if [[ "${shared}" = "yes" ]]; then
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echo enable_shared = yes >> temp-frag
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else
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echo enable_shared = no >> temp-frag
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fi
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frag=xhost-mkfrag
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${CONFIG_SHELL-/bin/sh} ${libiberty_topdir}/move-if-change temp-frag xhost-mkfrag
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host_makefile_frag=${frag}
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AC_SUBST_FILE(host_makefile_frag)
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# It's OK to check for header files. Although the compiler may not be
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# able to link anything, it had better be able to at least compile
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# something.
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AC_CHECK_HEADERS(sys/file.h sys/param.h limits.h stdlib.h malloc.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h alloca.h sys/pstat.h sys/sysmp.h sys/sysinfo.h machine/hal_sysinfo.h sys/table.h sys/sysctl.h sys/systemcfg.h stdint.h stdio_ext.h process.h sys/prctl.h)
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AC_HEADER_SYS_WAIT
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AC_HEADER_TIME
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libiberty_AC_DECLARE_ERRNO
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# Determine sizes of some types.
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AC_CHECK_SIZEOF([int])
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AC_CHECK_SIZEOF([long])
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AC_CHECK_SIZEOF([size_t])
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# Check for presense of long long
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AC_CHECK_TYPE([long long],
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[AC_DEFINE(HAVE_LONG_LONG, 1, [Define if you have the `long long' type.]) AC_CHECK_SIZEOF([long long])],
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[])
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# Look for a 64-bit type.
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AC_MSG_CHECKING([for a 64-bit type])
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AC_CACHE_VAL(liberty_cv_uint64,
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[AC_TRY_COMPILE(
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[#ifdef HAVE_STDINT_H
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#include <stdint.h>
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#endif],
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[extern uint64_t foo;],
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liberty_cv_uint64=uint64_t,
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[AC_TRY_COMPILE(
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[#ifdef HAVE_LIMITS_H
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#include <limits.h>
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#endif
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#ifndef CHAR_BIT
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#define CHAR_BIT 8
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#endif],
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[extern char foo[sizeof(long) * CHAR_BIT >= 64 ? 1 : -1];],
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liberty_cv_uint64="unsigned long",
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[AC_TRY_COMPILE(
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[#ifdef HAVE_LIMITS_H
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#include <limits.h>
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#endif
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#ifndef CHAR_BIT
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#define CHAR_BIT 8
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#endif],
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[extern char foo[sizeof(long long) * CHAR_BIT >= 64 ? 1 : -1];],
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liberty_cv_uint64="unsigned long long", liberty_cv_uint64=none)])])])
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AC_MSG_RESULT($liberty_cv_uint64)
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if test "$liberty_cv_uint64" != none; then
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AC_DEFINE_UNQUOTED(UNSIGNED_64BIT_TYPE, $liberty_cv_uint64,
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[Define to an unsigned 64-bit type available in the compiler.])
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fi
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AC_TYPE_INTPTR_T
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AC_TYPE_UINTPTR_T
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AC_TYPE_SSIZE_T
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# Given the above check, we always have uintptr_t or a fallback
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# definition. So define HAVE_UINTPTR_T in case any imported code
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# relies on it.
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AC_DEFINE(HAVE_UINTPTR_T, 1, [Define if you have the \`uintptr_t' type.])
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AC_TYPE_PID_T
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# This is the list of functions which libiberty will provide if they
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# are not available on the host.
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funcs="asprintf"
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funcs="$funcs atexit"
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funcs="$funcs basename"
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funcs="$funcs bcmp"
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funcs="$funcs bcopy"
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funcs="$funcs bsearch"
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funcs="$funcs bzero"
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funcs="$funcs calloc"
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funcs="$funcs clock"
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funcs="$funcs ffs"
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funcs="$funcs getcwd"
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funcs="$funcs getpagesize"
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funcs="$funcs gettimeofday"
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funcs="$funcs index"
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funcs="$funcs insque"
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funcs="$funcs memchr"
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funcs="$funcs memcmp"
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funcs="$funcs memcpy"
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funcs="$funcs memmem"
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funcs="$funcs memmove"
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funcs="$funcs mempcpy"
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funcs="$funcs memset"
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funcs="$funcs mkstemps"
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funcs="$funcs putenv"
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funcs="$funcs random"
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funcs="$funcs rename"
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funcs="$funcs rindex"
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funcs="$funcs setenv"
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funcs="$funcs snprintf"
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funcs="$funcs sigsetmask"
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funcs="$funcs stpcpy"
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funcs="$funcs stpncpy"
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funcs="$funcs strcasecmp"
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funcs="$funcs strchr"
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funcs="$funcs strdup"
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funcs="$funcs strncasecmp"
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funcs="$funcs strndup"
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funcs="$funcs strnlen"
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funcs="$funcs strrchr"
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funcs="$funcs strstr"
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funcs="$funcs strtod"
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funcs="$funcs strtol"
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funcs="$funcs strtoul"
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funcs="$funcs strtoll"
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funcs="$funcs strtoull"
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funcs="$funcs strverscmp"
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||
funcs="$funcs tmpnam"
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||
funcs="$funcs vasprintf"
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||
funcs="$funcs vfprintf"
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funcs="$funcs vprintf"
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||
funcs="$funcs vsnprintf"
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||
funcs="$funcs vsprintf"
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funcs="$funcs waitpid"
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funcs="$funcs setproctitle"
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||
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# Also in the old function.def file: alloca, vfork, getopt.
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||
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vars="sys_errlist sys_nerr sys_siglist"
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||
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checkfuncs="__fsetlocking canonicalize_file_name dup3 getrlimit getrusage \
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||
getsysinfo gettimeofday on_exit pipe2 psignal pstat_getdynamic pstat_getstatic \
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||
realpath setrlimit spawnve spawnvpe strerror strsignal sysconf sysctl \
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||
sysmp table times wait3 wait4"
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||
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||
# Darwin has sbrk, but it is deprecated and that produces build-time warnings
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||
# so do not check for it.
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||
case "${host}" in
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*-*-darwin*) ;;
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||
*) checkfuncs="$checkfuncs sbrk"
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||
esac
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||
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# These are neither executed nor required, but they help keep
|
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# autoheader happy without adding a bunch of text to acconfig.h.
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||
if test "x" = "y"; then
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AC_CHECK_FUNCS(asprintf atexit \
|
||
basename bcmp bcopy bsearch bzero \
|
||
calloc canonicalize_file_name clock \
|
||
dup3 \
|
||
ffs __fsetlocking \
|
||
getcwd getpagesize getrlimit getrusage getsysinfo gettimeofday \
|
||
index insque \
|
||
memchr memcmp memcpy memmem memmove memset mkstemps \
|
||
on_exit \
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||
pipe2 psignal pstat_getdynamic pstat_getstatic putenv \
|
||
random realpath rename rindex \
|
||
sbrk setenv setproctitle setrlimit sigsetmask snprintf spawnve spawnvpe \
|
||
stpcpy stpncpy strcasecmp strchr strdup \
|
||
strerror strncasecmp strndup strnlen strrchr strsignal strstr strtod \
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||
strtol strtoul strtoll strtoull strverscmp sysconf sysctl sysmp \
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||
table times tmpnam \
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||
vasprintf vfprintf vprintf vsprintf \
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||
wait3 wait4 waitpid)
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||
AC_CHECK_DECLS([basename(char *), ffs, asprintf, vasprintf, snprintf, vsnprintf, strtol, strtoul, strtoll, strtoull, strnlen])
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||
AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if you have the sys_errlist variable.])
|
||
AC_DEFINE(HAVE_SYS_NERR, 1, [Define if you have the sys_nerr variable.])
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||
AC_DEFINE(HAVE_SYS_SIGLIST, 1, [Define if you have the sys_siglist variable.])
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fi
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||
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||
# For each of these functions, if the host does not provide the
|
||
# function we want to put FN.o in LIBOBJS, and if the host does
|
||
# provide the function, we want to define HAVE_FN in config.h.
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||
|
||
setobjs=
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||
CHECK=
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||
if test -n "${with_target_subdir}"; then
|
||
|
||
# We are being configured as a target library. AC_REPLACE_FUNCS
|
||
# may not work correctly, because the compiler may not be able to
|
||
# link executables. Note that we may still be being configured
|
||
# native.
|
||
|
||
# If we are being configured for newlib, we know which functions
|
||
# newlib provide and which ones we will be expected to provide.
|
||
|
||
if test "x${with_newlib}" = "xyes"; then
|
||
AC_LIBOBJ([asprintf])
|
||
AC_LIBOBJ([basename])
|
||
AC_LIBOBJ([insque])
|
||
AC_LIBOBJ([random])
|
||
AC_LIBOBJ([strdup])
|
||
AC_LIBOBJ([vasprintf])
|
||
|
||
for f in $funcs; do
|
||
case "$f" in
|
||
asprintf | basename | insque | random | strdup | vasprintf)
|
||
;;
|
||
*)
|
||
n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
|
||
AC_DEFINE_UNQUOTED($n)
|
||
;;
|
||
esac
|
||
done
|
||
|
||
# newlib doesnt provide any of the variables in $vars, so we
|
||
# dont have to check them here.
|
||
|
||
# Of the functions in $checkfuncs, newlib only has strerror.
|
||
AC_DEFINE(HAVE_STRERROR)
|
||
|
||
setobjs=yes
|
||
|
||
fi
|
||
|
||
# If we are being configured for Mingw, we know which functions
|
||
# Mingw provides and which ones we will be expected to provide.
|
||
|
||
case "${host}" in
|
||
*-*-mingw*)
|
||
AC_LIBOBJ([asprintf])
|
||
AC_LIBOBJ([basename])
|
||
AC_LIBOBJ([bcmp])
|
||
AC_LIBOBJ([bcopy])
|
||
AC_LIBOBJ([bzero])
|
||
AC_LIBOBJ([clock])
|
||
AC_LIBOBJ([ffs])
|
||
AC_LIBOBJ([getpagesize])
|
||
AC_LIBOBJ([index])
|
||
AC_LIBOBJ([insque])
|
||
AC_LIBOBJ([mempcpy])
|
||
AC_LIBOBJ([mkstemps])
|
||
AC_LIBOBJ([random])
|
||
AC_LIBOBJ([rindex])
|
||
AC_LIBOBJ([sigsetmask])
|
||
AC_LIBOBJ([stpcpy])
|
||
AC_LIBOBJ([stpncpy])
|
||
AC_LIBOBJ([strndup])
|
||
AC_LIBOBJ([strnlen])
|
||
AC_LIBOBJ([strverscmp])
|
||
AC_LIBOBJ([vasprintf])
|
||
AC_LIBOBJ([waitpid])
|
||
|
||
for f in $funcs; do
|
||
case "$f" in
|
||
asprintf | basename | bcmp | bcopy | bzero | clock | ffs | getpagesize | index | insque | mempcpy | mkstemps | random | rindex | sigsetmask | stpcpy | stpncpy | strdup | strndup | strnlen | strverscmp | vasprintf | waitpid)
|
||
;;
|
||
*)
|
||
n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
|
||
AC_DEFINE_UNQUOTED($n)
|
||
;;
|
||
esac
|
||
done
|
||
|
||
# Mingw doesnt provide any of the variables in $vars, so we
|
||
# dont have to check them here.
|
||
|
||
# Of the functions in $checkfuncs, Mingw only has strerror.
|
||
AC_DEFINE(HAVE_STRERROR)
|
||
|
||
setobjs=yes
|
||
;;
|
||
|
||
*-*-msdosdjgpp)
|
||
AC_LIBOBJ([vasprintf])
|
||
AC_LIBOBJ([vsnprintf])
|
||
AC_LIBOBJ([snprintf])
|
||
AC_LIBOBJ([asprintf])
|
||
|
||
for f in atexit basename bcmp bcopy bsearch bzero calloc clock ffs \
|
||
getcwd getpagesize getrusage gettimeofday \
|
||
index insque memchr memcmp memcpy memmove memset psignal \
|
||
putenv random rename rindex sbrk setenv stpcpy strcasecmp \
|
||
strchr strdup strerror strncasecmp strrchr strstr strtod \
|
||
strtol strtoul sysconf times tmpnam vfprintf vprintf \
|
||
vsprintf waitpid
|
||
do
|
||
n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
|
||
AC_DEFINE_UNQUOTED($n)
|
||
done
|
||
|
||
|
||
setobjs=yes
|
||
;;
|
||
|
||
esac
|
||
|
||
else
|
||
|
||
# Not a target library, so we set things up to run the test suite.
|
||
CHECK=really-check
|
||
|
||
fi
|
||
|
||
AC_SUBST(CHECK)
|
||
AC_SUBST(target_header_dir)
|
||
|
||
case "${host}" in
|
||
*-*-cygwin* | *-*-mingw*)
|
||
AC_DEFINE(HAVE_SYS_ERRLIST)
|
||
AC_DEFINE(HAVE_SYS_NERR)
|
||
;;
|
||
esac
|
||
|
||
if test -z "${setobjs}"; then
|
||
case "${host}" in
|
||
|
||
*-*-vxworks*)
|
||
# Handle VxWorks configuration specially, since on VxWorks the
|
||
# libraries are actually on the target board, not in the file
|
||
# system.
|
||
AC_LIBOBJ([basename])
|
||
AC_LIBOBJ([getpagesize])
|
||
AC_LIBOBJ([insque])
|
||
AC_LIBOBJ([random])
|
||
AC_LIBOBJ([strcasecmp])
|
||
AC_LIBOBJ([strncasecmp])
|
||
AC_LIBOBJ([strdup])
|
||
AC_LIBOBJ([vfork])
|
||
AC_LIBOBJ([waitpid])
|
||
AC_LIBOBJ([vasprintf])
|
||
for f in $funcs; do
|
||
case "$f" in
|
||
basename | getpagesize | insque | random | strcasecmp)
|
||
;;
|
||
strncasecmp | strdup | vfork | waitpid | vasprintf)
|
||
;;
|
||
*)
|
||
n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
|
||
AC_DEFINE_UNQUOTED($n)
|
||
;;
|
||
esac
|
||
done
|
||
|
||
# VxWorks doesn't provide any of the variables in $vars, so we
|
||
# don't have to check them here.
|
||
|
||
# Of the functions in $checkfuncs, VxWorks only has strerror.
|
||
AC_DEFINE(HAVE_STRERROR)
|
||
|
||
setobjs=yes
|
||
;;
|
||
|
||
esac
|
||
fi
|
||
|
||
if test -z "${setobjs}"; then
|
||
|
||
case "${host}" in
|
||
|
||
*-*-android*)
|
||
# On android, getpagesize is defined in unistd.h as a static inline
|
||
# function, which AC_CHECK_FUNCS does not handle properly.
|
||
ac_cv_func_getpagesize=yes
|
||
;;
|
||
|
||
hppa*-*-hpux*)
|
||
# Replace system snprintf and vsnprintf with libiberty implementations.
|
||
AC_LIBOBJ([snprintf])
|
||
AC_LIBOBJ([vsnprintf])
|
||
;;
|
||
|
||
*-*-mingw32*)
|
||
# Under mingw32, sys_nerr and sys_errlist exist, but they are
|
||
# macros, so the test below won't find them.
|
||
libiberty_cv_var_sys_nerr=yes
|
||
libiberty_cv_var_sys_errlist=yes
|
||
;;
|
||
|
||
*-*-msdosdjgpp*)
|
||
# vfork and fork are stubs.
|
||
ac_cv_func_vfork_works=no
|
||
;;
|
||
|
||
*-*-uwin*)
|
||
# Under some versions of uwin, vfork is notoriously buggy and the test
|
||
# can hang configure; on other versions, vfork exists just as a stub.
|
||
# FIXME: This should be removed once vfork in uwin's runtime is fixed.
|
||
ac_cv_func_vfork_works=no
|
||
# Under uwin 2.0+, sys_nerr and sys_errlist exist, but they are
|
||
# macros (actually, these are imported from a DLL, but the end effect
|
||
# is the same), so the test below won't find them.
|
||
libiberty_cv_var_sys_nerr=yes
|
||
libiberty_cv_var_sys_errlist=yes
|
||
;;
|
||
|
||
*-*-*vms*)
|
||
# Under VMS, vfork works very different than on Unix. The standard test
|
||
# won't work, and it isn't easily adaptable. It makes more sense to
|
||
# just force it.
|
||
ac_cv_func_vfork_works=yes
|
||
;;
|
||
|
||
esac
|
||
|
||
# We haven't set the list of objects yet. Use the standard autoconf
|
||
# tests. This will only work if the compiler works.
|
||
AC_ISC_POSIX
|
||
AC_REPLACE_FUNCS($funcs)
|
||
libiberty_AC_FUNC_C_ALLOCA
|
||
AC_FUNC_FORK
|
||
if test $ac_cv_func_vfork_works = no; then
|
||
AC_LIBOBJ([vfork])
|
||
fi
|
||
# We only need _doprnt if we might use it to implement v*printf.
|
||
if test $ac_cv_func_vprintf != yes \
|
||
|| test $ac_cv_func_vfprintf != yes \
|
||
|| test $ac_cv_func_vsprintf != yes; then
|
||
AC_REPLACE_FUNCS(_doprnt)
|
||
else
|
||
AC_CHECK_FUNCS(_doprnt)
|
||
fi
|
||
|
||
for v in $vars; do
|
||
AC_MSG_CHECKING([for $v])
|
||
AC_CACHE_VAL(libiberty_cv_var_$v,
|
||
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern int $v [];]],[[if ($v [0]) return 1;]])],
|
||
[eval "libiberty_cv_var_$v=yes"],
|
||
[eval "libiberty_cv_var_$v=no"])])
|
||
if eval "test \"`echo '$libiberty_cv_var_'$v`\" = yes"; then
|
||
AC_MSG_RESULT(yes)
|
||
n=HAVE_`echo $v | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
|
||
AC_DEFINE_UNQUOTED($n)
|
||
else
|
||
AC_MSG_RESULT(no)
|
||
fi
|
||
done
|
||
|
||
# special check for _system_configuration because AIX <4.3.2 do not
|
||
# contain the `physmem' member.
|
||
AC_MSG_CHECKING([for external symbol _system_configuration])
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/systemcfg.h>]],
|
||
[[double x = _system_configuration.physmem;]])],
|
||
[AC_MSG_RESULT([yes])
|
||
AC_DEFINE(HAVE__SYSTEM_CONFIGURATION, 1,
|
||
[Define if you have the _system_configuration variable.])],
|
||
[AC_MSG_RESULT([no])])
|
||
|
||
AC_CHECK_FUNCS($checkfuncs)
|
||
AC_CHECK_DECLS([basename(char *), ffs, asprintf, vasprintf, snprintf, vsnprintf])
|
||
AC_CHECK_DECLS([calloc, getenv, getopt, malloc, realloc])
|
||
case "${host}" in
|
||
*-*-darwin*) ;; # Darwin's sbrk implementation is deprecated.
|
||
*) AC_CHECK_DECLS([sbrk]);;
|
||
esac
|
||
AC_CHECK_DECLS([strtol, strtoul, strtoll, strtoull])
|
||
AC_CHECK_DECLS([strverscmp])
|
||
AC_CHECK_DECLS([strnlen])
|
||
libiberty_NEED_DECLARATION(canonicalize_file_name)
|
||
fi
|
||
|
||
# Figure out which version of pexecute to use.
|
||
case "${host}" in
|
||
*-*-mingw* | *-*-winnt*) pexecute=pex-win32 ;;
|
||
*-*-msdosdjgpp*) pexecute=pex-djgpp ;;
|
||
*-*-msdos*) pexecute=pex-msdos ;;
|
||
*) pexecute=pex-unix ;;
|
||
esac
|
||
AC_SUBST(pexecute)
|
||
|
||
libiberty_AC_FUNC_STRNCMP
|
||
|
||
# Install a library built with a cross compiler in $(tooldir) rather
|
||
# than $(libdir).
|
||
if test -z "${with_cross_host}"; then
|
||
INSTALL_DEST=libdir
|
||
else
|
||
INSTALL_DEST=tooldir
|
||
fi
|
||
AC_SUBST(INSTALL_DEST)
|
||
|
||
m4_pattern_allow(LIBOBJS)
|
||
L=""
|
||
for l in x $LIBOBJS; do
|
||
case $l in
|
||
x) ;;
|
||
*) L="$L ./$l" ;;
|
||
esac
|
||
done
|
||
LIBOBJS="$L"
|
||
|
||
dnl Required by html and install-html
|
||
AC_SUBST(datarootdir)
|
||
AC_SUBST(docdir)
|
||
AC_SUBST(htmldir)
|
||
|
||
# We need multilib support, but only if configuring for the target.
|
||
AC_CONFIG_FILES([Makefile testsuite/Makefile])
|
||
AC_CONFIG_COMMANDS([default],
|
||
[[test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h
|
||
if test -n "$CONFIG_FILES"; then
|
||
if test -n "${with_target_subdir}"; then
|
||
# FIXME: We shouldn't need to set ac_file
|
||
ac_file=Makefile
|
||
LD="${ORIGINAL_LD_FOR_MULTILIBS}"
|
||
. ${libiberty_topdir}/config-ml.in
|
||
fi
|
||
fi]],
|
||
[[srcdir=${srcdir}
|
||
host=${host}
|
||
target=${target}
|
||
with_target_subdir=${with_target_subdir}
|
||
with_multisubdir=${with_multisubdir}
|
||
ac_configure_args="--enable-multilib ${ac_configure_args}"
|
||
CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
|
||
ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"
|
||
libiberty_topdir=${libiberty_topdir}
|
||
]])
|
||
AC_OUTPUT
|