X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=libiberty%2Fconfigure.ac;h=4e2599c14a89bafcb8c7e523b9ce5b3d60b8c0f6;hb=refs%2Fheads%2Fconcurrent-displaced-stepping-2020-04-01;hp=3e379cc85a5ba3c5b9309f56a03fcc4f59cae30b;hpb=37254c9a9efe1273611bf5f23c5cf04cd19290e4;p=deliverable%2Fbinutils-gdb.git diff --git a/libiberty/configure.ac b/libiberty/configure.ac index 3e379cc85a..4e2599c14a 100644 --- a/libiberty/configure.ac +++ b/libiberty/configure.ac @@ -1,7 +1,7 @@ dnl Process this file with autoconf to produce a configure script -AC_PREREQ(2.57) -AC_INIT(xmalloc.c) +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 @@ -108,14 +108,60 @@ dnl to call AC_CHECK_PROG. AC_CHECK_TOOL(AR, ar) AC_CHECK_TOOL(RANLIB, ranlib, :) +dnl When switching to automake, replace the following with AM_ENABLE_MULTILIB. +# Add --enable-multilib to configure. +# 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], + [multilib=yes]) + +# Even if the default multilib is not a cross compilation, +# it may be that some of the other multilibs are. +if test $cross_compiling = no && test $multilib = yes \ + && test "x${with_multisubdir}" != x ; then + cross_compiling=maybe +fi + +# We may wish to install the target headers somewhere. +AC_MSG_CHECKING([whether to install libiberty headers and static library]) +dnl install-libiberty is disabled by default + +AC_ARG_ENABLE(install-libiberty, +[ --enable-install-libiberty Install headers and library 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="${enable_install_libiberty}" + ;; +esac +AC_MSG_RESULT($enable_install_libiberty) +AC_MSG_NOTICE([target_header_dir = $target_header_dir]) + GCC_NO_EXECUTABLES AC_PROG_CC +AC_GNU_SOURCE +AC_SYS_LARGEFILE AC_PROG_CPP_WERROR -if test x$GCC = xyes; then - ac_libiberty_warn_cflags='-W -Wall -Wtraditional -pedantic' -fi -AC_SUBST(ac_libiberty_warn_cflags) +ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wc++-compat \ + -Wstrict-prototypes \ + -Wshadow=local], [ac_libiberty_warn_cflags]) +ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([], [ac_libiberty_warn_cflags]) AC_PROG_CC_C_O # autoconf is lame and doesn't give us any substitution variable for this. @@ -129,7 +175,7 @@ AC_SUBST(OUTPUT_OPTION) AC_C_CONST AC_C_INLINE -AC_C_BIGENDIAN_CROSS +AC_C_BIGENDIAN dnl When we start using libtool: dnl Default to a non shared library. This may be overridden by the @@ -151,20 +197,132 @@ dnl When we start using automake: dnl AM_PROG_INSTALL AC_PROG_INSTALL -. ${srcdir}/config.table +# Don't build the shared library for build. +if [[ -n "${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 + frag=${libiberty_topdir}/libiberty/config/$frag +fi + +GCC_PICFLAG + +# If they didn't specify --enable-shared, don't generate shared libs. +case "${enable_shared}" in + yes) shared=yes ;; + no) shared=no ;; + "") shared=no ;; + *) shared=yes ;; +esac + +# ...unless --enable-host-shared was passed from top-level config: +if [[ "${enable_host_shared}" = "yes" ]]; then + shared=yes +fi + +if [[ "${shared}" != "yes" ]]; then + PICFLAG= +fi +AC_SUBST(PICFLAG) + +NOASANFLAG= +case " ${CFLAGS} " in + *\ -fsanitize=address\ *) NOASANFLAG=-fno-sanitize=address ;; +esac +AC_SUBST(NOASANFLAG) + +GCC_CET_HOST_FLAGS(CET_HOST_FLAGS) +AC_SUBST(CET_HOST_FLAGS) + +echo "# Warning: this fragment is automatically generated" > temp-frag + +if [[ -n "${frag}" ]] && [[ -f "${frag}" ]]; then + echo "Appending ${frag} to xhost-mkfrag" + echo "# Following fragment copied from ${frag}" >> temp-frag + cat ${frag} >> temp-frag +fi + +# record if we want to build shared libs. +if [[ "${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) +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) AC_HEADER_SYS_WAIT AC_HEADER_TIME libiberty_AC_DECLARE_ERRNO -AC_CHECK_TYPE(uintptr_t, unsigned long) +# Determine sizes of some types. +AC_CHECK_SIZEOF([int]) +AC_CHECK_SIZEOF([long]) +AC_CHECK_SIZEOF([size_t]) + +# Check for presense of long long +AC_CHECK_TYPE([long long], + [AC_DEFINE(HAVE_LONG_LONG, 1, [Define if you have the `long long' type.]) AC_CHECK_SIZEOF([long 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, $liberty_cv_uint64, + [Define to an unsigned 64-bit type available in the compiler.]) +fi + +AC_TYPE_INTPTR_T +AC_TYPE_UINTPTR_T +AC_TYPE_SSIZE_T + # Given the above check, we always have uintptr_t or a fallback # definition. So define HAVE_UINTPTR_T in case any imported code # relies on it. @@ -187,11 +345,13 @@ funcs="$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 memmem" funcs="$funcs memmove" funcs="$funcs mempcpy" funcs="$funcs memset" @@ -209,11 +369,16 @@ funcs="$funcs strcasecmp" funcs="$funcs strchr" funcs="$funcs strdup" funcs="$funcs strncasecmp" +funcs="$funcs strndup" +funcs="$funcs strnlen" funcs="$funcs strrchr" funcs="$funcs strstr" funcs="$funcs strtod" funcs="$funcs strtol" funcs="$funcs strtoul" +funcs="$funcs strtoll" +funcs="$funcs strtoull" +funcs="$funcs strverscmp" funcs="$funcs tmpnam" funcs="$funcs vasprintf" funcs="$funcs vfprintf" @@ -221,27 +386,39 @@ funcs="$funcs vprintf" funcs="$funcs vsnprintf" funcs="$funcs vsprintf" funcs="$funcs waitpid" +funcs="$funcs setproctitle" # Also in the old function.def file: alloca, vfork, getopt. vars="sys_errlist sys_nerr sys_siglist" -checkfuncs="getrusage on_exit psignal strerror strsignal sysconf times sbrk gettimeofday" -checkfuncs="$checkfuncs realpath canonicalize_file_name pstat_getstatic pstat_getdynamic sysmp" -checkfuncs="$checkfuncs getsysinfo table sysctl" +checkfuncs="__fsetlocking canonicalize_file_name dup3 getrlimit getrusage \ + getsysinfo gettimeofday on_exit pipe2 psignal pstat_getdynamic pstat_getstatic \ + realpath setrlimit sbrk spawnve spawnvpe strerror strsignal sysconf sysctl \ + sysmp table times wait3 wait4" # 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 index insque mkstemps memchr memcmp memcpy \ - memmove mempcpy memset putenv random rename rindex sigsetmask \ - strcasecmp setenv stpcpy stpncpy strchr strdup strncasecmp strrchr strstr \ - strtod strtol strtoul 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 \ - realpath canonicalize_file_name) + 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 \ + 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 \ + strtol strtoul strtoll strtoull strverscmp sysconf sysctl sysmp \ + table times tmpnam \ + vasprintf vfprintf vprintf vsprintf \ + wait3 wait4 waitpid) + AC_CHECK_DECLS([basename(char *), ffs, asprintf, vasprintf, snprintf, vsnprintf, strtol, strtoul, strtoll, strtoull, strnlen]) 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.]) @@ -253,7 +430,6 @@ fi setobjs= CHECK= -target_header_dir= if test -n "${with_target_subdir}"; then # We are being configured as a target library. AC_REPLACE_FUNCS @@ -287,37 +463,88 @@ if test -n "${with_target_subdir}"; then # dont have to check them here. # Of the functions in $checkfuncs, newlib only has strerror. - AC_DEFINE_NOAUTOHEADER(HAVE_STRERROR) + AC_DEFINE(HAVE_STRERROR) setobjs=yes fi - # We may wish to install the target headers somewhere. - AC_ARG_ENABLE(install-libiberty, - [ --enable-install-libiberty Install headers for end users], - enable_install_libiberty=$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 + # 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=check-cplus-dem + CHECK=really-check fi @@ -326,8 +553,8 @@ AC_SUBST(target_header_dir) case "${host}" in *-*-cygwin* | *-*-mingw*) - AC_DEFINE_NOAUTOHEADER(HAVE_SYS_ERRLIST) - AC_DEFINE_NOAUTOHEADER(HAVE_SYS_NERR) + AC_DEFINE(HAVE_SYS_ERRLIST) + AC_DEFINE(HAVE_SYS_NERR) ;; esac @@ -365,7 +592,7 @@ if test -z "${setobjs}"; then # don't have to check them here. # Of the functions in $checkfuncs, VxWorks only has strerror. - AC_DEFINE_NOAUTOHEADER(HAVE_STRERROR) + AC_DEFINE(HAVE_STRERROR) setobjs=yes ;; @@ -377,27 +604,10 @@ if test -z "${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 $checkfuncs | sed -e 's/strsignal//' -e 's/psignal//'`" - fi + *-*-android*) + # On android, getpagesize is defined in unistd.h as a static inline + # function, which AC_CHECK_FUNCS does not handle properly. + ac_cv_func_getpagesize=yes ;; *-*-mingw32*) @@ -407,6 +617,11 @@ if test -z "${setobjs}"; then 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. @@ -433,7 +648,7 @@ if test -z "${setobjs}"; then AC_ISC_POSIX AC_REPLACE_FUNCS($funcs) libiberty_AC_FUNC_C_ALLOCA - AC_FUNC_VFORK + AC_FUNC_FORK if test $ac_cv_func_vfork_works = no; then AC_LIBOBJ([vfork]) fi @@ -449,9 +664,9 @@ if test -z "${setobjs}"; then for v in $vars; do AC_MSG_CHECKING([for $v]) AC_CACHE_VAL(libiberty_cv_var_$v, - [AC_TRY_LINK([int *p;], [extern int $v []; p = $v;], - [eval "libiberty_cv_var_$v=yes"], - [eval "libiberty_cv_var_$v=no"])]) + [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 $v | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` @@ -464,24 +679,28 @@ if test -z "${setobjs}"; then # 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_TRY_COMPILE([#include ], - [double x = _system_configuration.physmem;], + 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.])], + [Define if you have the _system_configuration variable.])], [AC_MSG_RESULT([no])]) AC_CHECK_FUNCS($checkfuncs) + AC_CHECK_DECLS([basename(char *), ffs, asprintf, vasprintf, snprintf, vsnprintf]) + AC_CHECK_DECLS([calloc, getenv, getopt, malloc, realloc, sbrk]) + AC_CHECK_DECLS([strtol, strtoul, strtoll, strtoull]) + AC_CHECK_DECLS([strverscmp]) + AC_CHECK_DECLS([strnlen]) libiberty_NEED_DECLARATION(canonicalize_file_name) fi # Figure out which version of pexecute to use. case "${host}" in - *-*-mingw* | *-*-winnt*) pexecute=./pex-win32.o ;; - *-*-msdosdjgpp*) pexecute=./pex-djgpp.o ;; - *-*-msdos*) pexecute=./pex-msdos.o ;; - *-*-os2-emx*) pexecute=./pex-os2.o ;; - *) pexecute=./pex-unix.o ;; + *-*-mingw* | *-*-winnt*) pexecute=pex-win32 ;; + *-*-msdosdjgpp*) pexecute=pex-djgpp ;; + *-*-msdos*) pexecute=pex-msdos ;; + *) pexecute=pex-unix ;; esac AC_SUBST(pexecute) @@ -496,6 +715,7 @@ else fi AC_SUBST(INSTALL_DEST) +m4_pattern_allow(LIBOBJS) L="" for l in x $LIBOBJS; do case $l in @@ -505,25 +725,31 @@ for l in x $LIBOBJS; do done LIBOBJS="$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_OUTPUT(Makefile testsuite/Makefile, -[test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h +AC_CONFIG_FILES([Makefile testsuite/Makefile]) +AC_CONFIG_COMMANDS([default], + [[test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h if test -n "$CONFIG_FILES"; then - if test -n "${with_build_subdir}" || test -n "${with_target_subdir}"; then + if test -n "${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} +fi]], +[[srcdir=${srcdir} host=${host} target=${target} with_target_subdir=${with_target_subdir} -with_build_subdir=${with_build_subdir} with_multisubdir=${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