dnl Process this file with autoconf to produce a configure script AC_PREREQ(2.59) AC_INIT AC_CONFIG_SRCDIR([xmalloc.c]) # This works around the fact that libtool configuration may change LD # for this particular configuration, but some shells, instead of # keeping the changes in LD private, export them just because LD is # exported. We don't use libtool yet, but some day we might, so... ORIGINAL_LD_FOR_MULTILIBS=$LD dnl We use these options to decide which functions to include. AC_ARG_WITH(target-subdir, [ --with-target-subdir=SUBDIR Configuring in a subdirectory for target]) AC_ARG_WITH(build-subdir, [ --with-build-subdir=SUBDIR Configuring in a subdirectory for build]) AC_ARG_WITH(cross-host, [ --with-cross-host=HOST Configuring with a cross compiler]) AC_ARG_WITH(newlib, [ --with-newlib Configuring with newlib]) if test "${srcdir}" = "."; then if test -n "${with_build_subdir}"; then libiberty_topdir="${srcdir}/../.." with_target_subdir= elif test -z "${with_target_subdir}"; then libiberty_topdir="${srcdir}/.." else if test "${with_target_subdir}" != "."; then libiberty_topdir="${srcdir}/${with_multisrctop}../.." else libiberty_topdir="${srcdir}/${with_multisrctop}.." fi fi else libiberty_topdir="${srcdir}/.." fi AC_SUBST(libiberty_topdir) AC_CONFIG_AUX_DIR($libiberty_topdir) dnl Very limited version of automake's enable-maintainer-mode AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) dnl maintainer-mode is disabled by default AC_ARG_ENABLE(maintainer-mode, [ --enable-maintainer-mode enable make rules and dependencies not useful (and sometimes confusing) to the casual installer], maintainer_mode=$enableval, maintainer_mode=no) AC_MSG_RESULT($maintainer_mode) if test "$maintainer_mode" = "yes"; then MAINT='' NOTMAINT='#' else MAINT='#' NOTMAINT='' fi AC_SUBST(MAINT)dnl AC_SUBST(NOTMAINT)dnl # Do we have a single-tree copy of texinfo? Even if we do, we can't # rely on it - libiberty is built before texinfo. AC_CHECK_PROG(MAKEINFO, makeinfo, makeinfo, ) if test "x$MAKEINFO" = "x"; then MAKEINFO="@echo makeinfo missing; true" BUILD_INFO= else BUILD_INFO=info case "$MAKEINFO" in */missing\ makeinfo*) BUILD_INFO= AC_MSG_WARN([ *** Makeinfo is missing. Info documentation will not be built.]) ;; *) case x"`$MAKEINFO --version | grep 'GNU texinfo'`" in x*\ [[1-3]].* ) MAKEINFO="@echo $MAKEINFO is too old, 4.0 or newer required; true" BUILD_INFO= AC_MSG_WARN([ *** Makeinfo is too old. Info documentation will not be built.]) ;; esac ;; esac fi AC_SUBST(MAKEINFO) AC_SUBST(BUILD_INFO) AC_CHECK_PROG(PERL, perl, perl, ) if test x"$PERL" = x""; then HAVE_PERL='#' else HAVE_PERL='' fi AC_SUBST(HAVE_PERL) AC_CANONICAL_HOST dnl When we start using automake: dnl AM_INIT_AUTOMAKE(libiberty, 1.0) dnl These must be called before AM_PROG_LIBTOOL, because it may want dnl to call AC_CHECK_PROG. AC_CHECK_TOOL(AR, ar) AC_CHECK_TOOL(RANLIB, ranlib, :) GCC_NO_EXECUTABLES AC_PROG_CC AC_PROG_CPP_WERROR # Warn C++ incompatibilities if supported. AC_CACHE_CHECK( [whether ${CC} accepts -Wc++-compat], [ac_cv_prog_cc_w_cxx_compat], [save_CFLAGS="$CFLAGS" CFLAGS="-Wc++-compat" AC_COMPILE_IFELSE([AC_LANG_SOURCE([[]])], [ac_cv_prog_cc_w_cxx_compat=yes], [ac_cv_prog_cc_w_cxx_compat=no]) CFLAGS="$save_CFLAGS" ]) if test x$GCC = xyes; then ac_libiberty_warn_cflags='-W -Wall -pedantic -Wwrite-strings -Wstrict-prototypes' fi if test $ac_cv_prog_cc_w_cxx_compat = yes ; then ac_libiberty_warn_cflags="${ac_libiberty_warn_cflags} -Wc++-compat" fi AC_SUBST(ac_libiberty_warn_cflags) AC_PROG_CC_C_O # autoconf is lame and doesn't give us any substitution variable for this. if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then NO_MINUS_C_MINUS_O=yes else OUTPUT_OPTION='-o $@' fi AC_SUBST(NO_MINUS_C_MINUS_O) AC_SUBST(OUTPUT_OPTION) AC_C_CONST AC_C_INLINE AC_C_BIGENDIAN dnl When we start using libtool: dnl Default to a non shared library. This may be overridden by the dnl configure option --enable-shared. dnl AM_DISABLE_SHARED dnl When we start using libtool: dnl AM_PROG_LIBTOOL dnl When we start using automake: dnl AM_CONFIG_HEADER(config.h:config.in) AC_CONFIG_HEADER(config.h:config.in) dnl When we start using automake: dnl AM_MAINTAINER_MODE dnl AC_EXEEXT dnl When we start using automake: dnl AM_PROG_INSTALL AC_PROG_INSTALL # Don't build the shared library for build. if [[ -n "${with_build_subdir}" ]]; then enable_shared=no fi frag= case "${host}" in rs6000-ibm-aix3.1 | rs6000-ibm-aix) frag=mh-aix ;; *-*-cxux7*) frag=mh-cxux7 ;; *-*-freebsd2.1.*) frag=mh-fbsd21 ;; *-*-freebsd2.2.[[012]]) frag=mh-fbsd21 ;; i370-*-opened*) frag=mh-openedition ;; i[[34567]]86-*-windows*) frag=mh-windows ;; esac if [[ -n "${frag}" ]]; then frags=${libiberty_topdir}/libiberty/config/$frag else frags= fi # If they didn't specify --enable-shared, don't generate shared libs. case "${enable_shared}" in yes) shared=yes ;; no) shared=no ;; "") shared=no ;; *) shared=yes ;; esac if [[ "${shared}" = "yes" ]]; then frag= case "${host}" in *-*-cygwin*) ;; alpha*-*-linux*) frag=mh-elfalphapic ;; arm*-*-*) frag=mh-armpic ;; hppa*-*-*) frag=mh-papic ;; i[[34567]]86-*-* | x86_64-*-*) frag=mh-x86pic ;; powerpc*-*-aix*) ;; powerpc*-*-*) frag=mh-ppcpic ;; sparc*-*-*) frag=mh-sparcpic ;; s390*-*-*) frag=mh-s390pic ;; *) frag=mh-${host_cpu}pic ;; esac if [[ -n "${frag}" ]]; then frags="${frags} ${libiberty_topdir}/config/${frag}" fi fi echo "# Warning: this fragment is automatically generated" > temp-frag for frag in ${frags}; do if [[ -f ${frag} ]]; then echo "Appending ${frag} to xhost-mkfrag" echo "# Following fragment copied from ${frag}" >> temp-frag cat ${frag} >> temp-frag fi done # record if we want to build shared libs. if [[ "${shared}" = "yes" ]]; then echo enable_shared = yes >> temp-frag else echo enable_shared = no >> temp-frag fi frag=xhost-mkfrag ${CONFIG_SHELL-/bin/sh} ${libiberty_topdir}/move-if-change temp-frag xhost-mkfrag host_makefile_frag=${frag} AC_SUBST_FILE(host_makefile_frag) # It's OK to check for header files. Although the compiler may not be # able to link anything, it had better be able to at least compile # something. 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) AC_HEADER_SYS_WAIT AC_HEADER_TIME libiberty_AC_DECLARE_ERRNO # Determine the size of an int for struct fibnode. AC_CHECK_SIZEOF([int]) AC_CHECK_TYPE(uintptr_t, unsigned long) # Look for a 64-bit type. AC_MSG_CHECKING([for a 64-bit type]) AC_CACHE_VAL(liberty_cv_uint64, [AC_TRY_COMPILE( [#ifdef HAVE_STDINT_H #include #endif], [extern uint64_t foo;], liberty_cv_uint64=uint64_t, [AC_TRY_COMPILE( [#ifdef HAVE_LIMITS_H #include #endif #ifndef CHAR_BIT #define CHAR_BIT 8 #endif], [extern char foo[sizeof(long) * CHAR_BIT >= 64 ? 1 : -1];], liberty_cv_uint64="unsigned long", [AC_TRY_COMPILE( [#ifdef HAVE_LIMITS_H #include #endif #ifndef CHAR_BIT #define CHAR_BIT 8 #endif], [extern char foo[sizeof(long long) * CHAR_BIT >= 64 ? 1 : -1];], liberty_cv_uint64="unsigned long long", liberty_cv_uint64=none)])])]) AC_MSG_RESULT($liberty_cv_uint64) if test "$liberty_cv_uint64" != none; then AC_DEFINE_UNQUOTED(UNSIGNED_64BIT_TYPE, $liberty_cv_uint64, [Define to an unsigned 64-bit type available in the compiler.]) fi # Given the above check, we always have uintptr_t or a fallback # definition. So define HAVE_UINTPTR_T in case any imported code # relies on it. AC_DEFINE(HAVE_UINTPTR_T, 1, [Define if you have the \`uintptr_t' type.]) AC_TYPE_PID_T # This is the list of functions which libiberty will provide if they # are not available on the host. funcs="asprintf" funcs="$funcs atexit" funcs="$funcs basename" funcs="$funcs bcmp" funcs="$funcs bcopy" funcs="$funcs bsearch" funcs="$funcs bzero" funcs="$funcs calloc" funcs="$funcs clock" funcs="$funcs ffs" funcs="$funcs getcwd" funcs="$funcs getpagesize" funcs="$funcs gettimeofday" funcs="$funcs index" funcs="$funcs insque" funcs="$funcs memchr" funcs="$funcs memcmp" funcs="$funcs memcpy" funcs="$funcs memmove" funcs="$funcs mempcpy" funcs="$funcs memset" funcs="$funcs mkstemps" funcs="$funcs putenv" funcs="$funcs random" funcs="$funcs rename" funcs="$funcs rindex" funcs="$funcs setenv" funcs="$funcs snprintf" funcs="$funcs sigsetmask" funcs="$funcs stpcpy" funcs="$funcs stpncpy" funcs="$funcs strcasecmp" funcs="$funcs strchr" funcs="$funcs strdup" funcs="$funcs strncasecmp" funcs="$funcs strndup" funcs="$funcs strrchr" funcs="$funcs strstr" funcs="$funcs strtod" funcs="$funcs strtol" funcs="$funcs strtoul" funcs="$funcs strverscmp" funcs="$funcs tmpnam" funcs="$funcs vasprintf" funcs="$funcs vfprintf" funcs="$funcs vprintf" funcs="$funcs vsnprintf" funcs="$funcs vsprintf" funcs="$funcs waitpid" # Also in the old function.def file: alloca, vfork, getopt. vars="sys_errlist sys_nerr sys_siglist" checkfuncs="getrusage on_exit psignal strerror strsignal sysconf times sbrk gettimeofday" checkfuncs="$checkfuncs realpath canonicalize_file_name pstat_getstatic pstat_getdynamic sysmp" checkfuncs="$checkfuncs getsysinfo table sysctl wait3 wait4 __fsetlocking" # These are neither executed nor required, but they help keep # autoheader happy without adding a bunch of text to acconfig.h. if test "x" = "y"; then AC_CHECK_FUNCS(asprintf atexit basename bcmp bcopy bsearch bzero calloc clock \ getcwd getpagesize gettimeofday index insque mkstemps memchr memcmp memcpy \ memmove mempcpy memset putenv random rename rindex sigsetmask \ strcasecmp setenv stpcpy stpncpy strchr strdup strncasecmp strndup strrchr strstr \ strtod strtol strtoul strverscmp tmpnam vasprintf vfprintf vprintf \ vsprintf waitpid getrusage on_exit psignal strerror strsignal \ sysconf times sbrk gettimeofday ffs snprintf vsnprintf \ pstat_getstatic pstat_getdynamic sysmp getsysinfo table sysctl wait3 wait4 \ realpath canonicalize_file_name __fsetlocking) AC_CHECK_DECLS([basename, ffs, asprintf, vasprintf, snprintf, vsnprintf]) AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if you have the sys_errlist variable.]) AC_DEFINE(HAVE_SYS_NERR, 1, [Define if you have the sys_nerr variable.]) AC_DEFINE(HAVE_SYS_SIGLIST, 1, [Define if you have the sys_siglist variable.]) fi # For each of these functions, if the host does not provide the # function we want to put FN.o in LIBOBJS, and if the host does # provide the function, we want to define HAVE_FN in config.h. setobjs= CHECK= target_header_dir= if test -n "${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([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 | 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 $checkfuncs, Mingw only has strerror. AC_DEFINE(HAVE_STRERROR) setobjs=yes ;; esac # We may wish to install the target headers somewhere. AC_ARG_ENABLE(install-libiberty, [ --enable-install-libiberty Install headers for end users], enable_install_libiberty=$enableval, enable_install_libiberty=no)dnl # Option parsed, now set things appropriately. case x"$enable_install_libiberty" in xyes|x) target_header_dir=libiberty ;; xno) target_header_dir= ;; *) # This could be sanity-checked in various ways... target_header_dir="${enable_install_libiberty}" ;; 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 "${host}" in *-*-cygwin*) # The Cygwin library actually uses a couple of files from # libiberty when it is built. If we are building a native # Cygwin, and we run the tests, we will appear to have these # files. However, when we go on to build winsup, we will wind up # with a library which does not have the files, since they should # have come from libiberty. # We handle this by removing the functions the winsup library # provides from our shell variables, so that they appear to be # missing. # DJ - only if we're *building* cygwin, not just building *with* cygwin if test -n "${with_target_subdir}" then funcs="`echo $funcs | sed -e 's/random//'`" AC_LIBOBJ([random]) vars="`echo $vars | sed -e 's/sys_siglist//'`" checkfuncs="`echo $checkfuncs | sed -e 's/strsignal//' -e 's/psignal//'`" fi ;; *-*-mingw32*) # Under mingw32, sys_nerr and sys_errlist exist, but they are # macros, so the test below won't find them. libiberty_cv_var_sys_nerr=yes libiberty_cv_var_sys_errlist=yes ;; *-*-msdosdjgpp*) # vfork and fork are stubs. ac_cv_func_vfork_works=no ;; *-*-uwin*) # Under some versions of uwin, vfork is notoriously buggy and the test # can hang configure; on other versions, vfork exists just as a stub. # FIXME: This should be removed once vfork in uwin's runtime is fixed. ac_cv_func_vfork_works=no # Under uwin 2.0+, sys_nerr and sys_errlist exist, but they are # macros (actually, these are imported from a DLL, but the end effect # is the same), so the test below won't find them. libiberty_cv_var_sys_nerr=yes libiberty_cv_var_sys_errlist=yes ;; *-*-*vms*) # Under VMS, vfork works very different than on Unix. The standard test # won't work, and it isn't easily adaptable. It makes more sense to # just force it. ac_cv_func_vfork_works=yes ;; esac # We haven't set the list of objects yet. Use the standard autoconf # tests. This will only work if the compiler works. AC_ISC_POSIX AC_REPLACE_FUNCS($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([[int *p;]],[[extern int $v []; p = $v;]])], [eval "libiberty_cv_var_$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 ]], [[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($checkfuncs) AC_CHECK_DECLS([basename, ffs, asprintf, vasprintf, snprintf, vsnprintf]) AC_CHECK_DECLS([calloc, getenv, getopt, malloc, realloc, sbrk]) AC_CHECK_DECLS([strverscmp]) libiberty_NEED_DECLARATION(canonicalize_file_name) fi # Figure out which version of pexecute to use. case "${host}" in *-*-mingw* | *-*-winnt*) pexecute=./pex-win32.o ;; *-*-msdosdjgpp*) pexecute=./pex-djgpp.o ;; *-*-msdos*) pexecute=./pex-msdos.o ;; *) pexecute=./pex-unix.o ;; 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