diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 305 |
1 files changed, 154 insertions, 151 deletions
diff --git a/configure.in b/configure.in index dfbf3f1420..f6e7443393 100644 --- a/configure.in +++ b/configure.in @@ -13,18 +13,6 @@ fi # This will get text that should go into config.make. config_vars= -# Check for a --with-gmp argument and set gmp-srcdir in config.make. -AC_ARG_WITH([gmp], - AC_HELP_STRING([--with-gmp=DIRECTORY], - [find GMP source code in DIRECTORY (not needed)]), - [ -case "$with_gmp" in -yes) AC_MSG_ERROR([--with-gmp requires an argument; use --with-gmp=DIRECTORY]) ;; -''|no) ;; -*) config_vars="$config_vars -gmp-srcdir = $withval" ;; -esac -]) # Check for a --with-gd argument and set libgd-LDFLAGS in config.make. AC_ARG_WITH([gd], AC_HELP_STRING([--with-gd=DIR], @@ -186,15 +174,9 @@ fi dnl Generic infrastructure for drop-in additions to libc. AC_ARG_ENABLE([add-ons], AC_HELP_STRING([--enable-add-ons@<:@=DIRS...@:>@], - [configure and build add-ons in DIR1,DIR2,... search for add-ons if no parameter given]), - [case "$enableval" in - yes) add_ons=`cd $srcdir && echo */configure | sed -e 's!/configure!!g'` - add_ons_automatic=yes - test "$add_ons" = "*" && add_ons= ;; - *) add_ons=`echo "$enableval" | sed 's/,/ /g'` - add_ons_automatic=no ;; - esac], - [add_ons= add_ons_automatic=no]) + [configure and build add-ons in DIR1,DIR2,... + search for add-ons if no parameter given]), + , [enable_add_ons=yes]) dnl Let the user avoid using TLS. Don't know why but... AC_ARG_WITH([tls], @@ -344,7 +326,7 @@ AC_ARG_WITH([cpu], ]) -# An add-on can set this when it the tuple to disable the sanity check below. +# An add-on can set this when it wants to disable the sanity check below. libc_config_ok=no dnl Having this here, though empty, makes sure that if add-ons' fragments @@ -352,6 +334,18 @@ dnl do AC_CONFIG_SUBDIRS([some-dir]), which just sets $subdirs, then dnl our AC_OUTPUT will actually use it. AC_CONFIG_SUBDIRS() +case "$enable_add_ons" in +''|no) add_ons= ;; +yes|'*') + add_ons=`cd $srcdir && ls -d 2> /dev/null */configure */sysdeps | + sed 's@/[[^/]]*$@@' | sort | uniq` + add_ons_automatic=yes + ;; +*) add_ons=`echo "$enable_add_ons" | sed 's/,/ /g'` + add_ons_automatic=no ;; +esac + +configured_add_ons= add_ons_sfx= add_ons_pfx= if test x"$add_ons" != x; then @@ -373,11 +367,6 @@ if test x"$add_ons" != x; then *** \`localedata' add-on.]) ;; esac - - # Test whether such a subdir really exists. - test -d $srcdir/$f || { - AC_MSG_ERROR(add-on directory \"$f\" does not exist) - } done # Now source each add-on's configure fragment. @@ -387,23 +376,81 @@ if test x"$add_ons" != x; then # whether it goes into the list to be actually used in the build. use_add_ons= for libc_add_on in $add_ons; do - libc_add_on_frag=$srcdir/$libc_add_on/configure - if test -r $libc_add_on_frag; then - AC_MSG_RESULT(running configure fragment for add-on $libc_add_on) - . $libc_add_on_frag - else - AC_MSG_WARN(add-on fragment $libc_add_on_frag missing) + # Test whether such a directory really exists. + # It can be absolute, or relative to $srcdir, or relative to the build dir. + case "$libc_add_on" in + /*) + libc_add_on_srcdir=$libc_add_on + ;; + *) + test -d "$srcdir/$libc_add_on" || { + if test -d "$libc_add_on"; then + libc_add_on="`pwd`/$libc_add_on" + else + AC_MSG_ERROR(add-on directory \"$libc_add_on\" does not exist) + fi + } + libc_add_on_srcdir=$srcdir/$libc_add_on + ;; + esac + + libc_add_on_frag=$libc_add_on_srcdir/configure + libc_add_on_canonical= + if test -r "$libc_add_on_frag"; then + AC_MSG_NOTICE(running configure fragment for add-on $libc_add_on) + libc_add_on_canonical=unknown + libc_add_on_subdirs= + . "$libc_add_on_frag" + test -z "$libc_add_on" || { + configured_add_ons="$configured_add_ons $libc_add_on" + if test "x$libc_add_on_canonical" = xunknown; then + AC_MSG_ERROR(fragment must set \$libc_add_on_canonical) + fi + for d in $libc_add_on_subdirs; do + case "$libc_add_on" in + /*) subdir_srcdir="$libc_add_on" ;; + *) subdir_srcdir="\$(..)$libc_add_on" ;; + esac + case "$d" in + .) + d="${libc_add_on_canonical:-$libc_add_on}" + ;; + /*) + subdir_srcdir="$d" + ;; + *) + subdir_srcdir="$subdir_srcdir/$d" + ;; + esac + d=`echo "$d" | sed 's@/*$@@;s@^.*/@@'` + add_on_subdirs="$add_on_subdirs $d" + test "$subdir_srcdir" = "\$(..)$d" || config_vars="$config_vars +$d-srcdir = $subdir_srcdir" + done + } fi if test -n "$libc_add_on"; then + if frags=`ls -d $libc_add_on_srcdir/sysdeps/*/preconfigure 2> /dev/null` + then + AC_MSG_CHECKING(add-on $libc_add_on for preconfigure fragments) + for frag in $frags; do + name=`echo "$frag" | sed 's@/[[^/]]*$@@;s@^.*/@@'` + echo $ECHO_N "$name $ECHO_C" >&AS_MESSAGE_FD + . "$frag" + done + AC_MSG_RESULT() + fi use_add_ons="$use_add_ons $libc_add_on" add_ons_pfx="$add_ons_pfx $libc_add_on/" - add_ons_sfx="$add_ons_sfx /$libc_add_on" + test -z "$libc_add_on_canonical" || + add_ons_sfx="$add_ons_sfx /$libc_add_on_canonical" fi done # Use echo to strip excess whitespace. add_ons="`echo $use_add_ons`" fi AC_SUBST(add_ons) +AC_SUBST(add_on_subdirs) ### @@ -440,41 +487,10 @@ a29k | am29000) base_machine=a29k machine=a29k ;; alpha*) base_machine=alpha machine=alpha/$machine ;; c3[012]) base_machine=cx0 machine=cx0/c30 ;; c4[04]) base_machine=cx0 machine=cx0/c40 ;; -hppa*64*) base_machine=hppa machine=hppa/hppa64 ;; -hppa*) base_machine=hppa machine=hppa/hppa1.1 ;; i[34567]86) base_machine=i386 machine=i386/$machine ;; ia64) base_machine=ia64 machine=ia64 ;; -m680?0) base_machine=m68k machine=m68k/$machine ;; -m68k) base_machine=m68k machine=m68k/m68020 ;; m88???) base_machine=m88k machine=m88k/$machine ;; m88k) base_machine=m88k machine=m88k/m88100 ;; -mips64*) base_machine=mips64 - case "$CC $CFLAGS $CPPFLAGS " in - *" -mabi=n32 "*) mips_cc_abi=n32 ;; - *" -mabi=64 "*|*" -mabi=n64 "*) mips_cc_abi=64 ;; - *" -mabi=32 "*|*" -mabi=o32 "*) mips_cc_abi=32 ;; - *) mips_cc_abi=default ;; - esac - case $config_os in - *abin32*) mips_config_abi=n32 ;; - *abi64*|*abin64*) mips_config_abi=64 ;; - *abi32*|*abio32*) mips_config_abi=32 ;; - *) mips_config_abi=$mips_cc_abi ;; - esac - case $mips_config_abi in - default) machine=mips/mips64/n32 mips_config_abi=n32 ;; - n32) machine=mips/mips64/n32 ;; - 64) machine=mips/mips64/n64 ;; - 32) machine=mips/mips32/kern64 ;; - esac - machine=$machine/$config_machine - if test $mips_config_abi != $mips_cc_abi; then - # This won't make it to config.make, but we want to - # set this in case configure tests depend on it. - CPPFLAGS="$CPPFLAGS -mabi=$mips_config_abi" - fi - ;; -mips*) base_machine=mips machine=mips/mips32/$machine ;; powerpc) base_machine=powerpc machine=powerpc/powerpc32 ;; powerpc64) base_machine=powerpc machine=powerpc/powerpc64 ;; s390) base_machine=s390 machine=s390/s390-32 ;; @@ -488,7 +504,7 @@ sparcv8 | supersparc | hypersparc) sparcv8plus | sparcv8plusa | sparcv9) base_machine=sparc machine=sparc/sparc32/sparcv9 ;; sparcv8plusb | sparcv9b) - base_machine=sparc machine=sparc/sparc32/sparcv9b ;; + base_machine=sparc machine=sparc/sparc32/sparcv9/sparcv9b ;; sparc64) base_machine=sparc machine=sparc/sparc64 ;; sparc64b) @@ -579,8 +595,8 @@ dnl We are done with glob and regexp uses of [ and ]; return to autoconf. changequote([,])dnl # Find what sysdep directories exist. +sysnames_add_ons= sysnames= -IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:" for b in $base ''; do for m0 in $mach ''; do for v in /$vendor ''; do @@ -590,17 +606,27 @@ for b in $base ''; do for m in $mach ''; do for d in $add_ons_pfx ''; do for a in $add_ons_sfx ''; do - if test "$m0$m0sub$b$v$o$m$msub"; then + if test -n "$m0$m0sub$b$v$o$m$msub"; then + try_srcdir="${srcdir}/" + case "$d" in + /*) try_srcdir= ;; + esac try="${d}sysdeps$m0$m0sub$b$v$o$m$msub$a" test -n "$enable_debug_configure" && echo "$0 [DEBUG]: try $try" >&2 - if test -d $srcdir/$try; then + if test -d "$try_srcdir$try"; then sysnames="$sysnames $try" { test -n "$o" || test -n "$b"; } && os_used=t { test -n "$m" || test -n "$m0"; } && machine_used=t case x${m0:-$m} in x*/$submachine) submachine_used=t ;; esac + if test -n "$d"; then + case "$sysnames_add_ons" in + *" $d "*) ;; + *|'') sysnames_add_ons="$sysnames_add_ons $d" ;; + esac + fi fi fi done @@ -610,19 +636,6 @@ for b in $base ''; do done done done -for d in $add_ons_pfx ''; do - for a in $add_ons_sfx ''; do - if test -n "$d" && test "$d" != "$a"; then - try="${d}sysdeps/generic${a}" - test -n "$enable_debug_configure" && - echo "$0 DEBUG: try $try" >&2 - if test -d $srcdir/$try; then - sysnames="$sysnames $try" - fi - fi - done -done -IFS="$ac_save_ifs" if test -z "$os_used" && test "$os" != none; then AC_MSG_ERROR(Operating system $os is not supported.) @@ -703,6 +716,10 @@ while test $# -gt 0; do then implied="$implied $try" found=yes + case "$sysnames_add_ons" in + *" $d "*) ;; + *|'') sysnames_add_ons="$sysnames_add_ons $d" ;; + esac fi done if test $found = no; then @@ -742,6 +759,61 @@ AC_SUBST(sysnames) # The other names were emitted during the scan. AC_MSG_RESULT($default_sysnames) +# Collect the list of add-ons that supply partial sysdeps trees. +sysdeps_add_ons= +for add_on in $add_ons; do + case "$add_on" in + /*) xsrcdir= ;; + *) xsrcdir="$srcdir/" ;; + esac + + test -d "$xsrcdir$add_on/sysdeps" || { + case "$configured_add_ons " in + *" $add_on "*) ;; + *|'') + AC_MSG_ERROR(add-on $add_on has no configure fragment or sysdeps tree) + ;; + esac + continue + } + + sysdeps_add_ons="$sysdeps_add_ons $add_on" + case "$sysnames_add_ons" in + *" $add_on/ "*) ;; + *|'') + AC_MSG_WARN(add-on $add_on contributed no sysdeps directories) + continue ;; + esac + + found=no + for d in $sysnames; do + case "$d" in + $add_on/sysdeps/*) ;; + *) continue ;; + esac + (cd "$xsrcdir$d" && for f in *[[!~]]; do + case "$f" in + sys|bits) + for ff in $f/*.h; do + test -d "$ff" || { test -e "$ff" && exit 88; } + done + ;; + *) + test -d "$f" || { test -e "$f" && exit 88; } + ;; + esac + done) + if test $? -eq 88; then + found=yes + break + fi + done + if test $found = no; then + AC_MSG_WARN(add-on $add_on contributed no useful sysdeps directories) + fi +done +AC_SUBST(sysdeps_add_ons) + ### Locate tools. @@ -1753,71 +1825,6 @@ if test "$libc_cv_c_asmcr0_bug" != 'no'; then fi fi -AC_CACHE_CHECK(for DWARF2 unwind info support, libc_cv_gcc_dwarf2_unwind_info, -[cat > conftest.c <<EOF -#line $LINENO "configure" -static char *__EH_FRAME_BEGIN__; -_start () -{ -#ifdef CHECK__register_frame - __register_frame (__EH_FRAME_BEGIN__); - __deregister_frame (__EH_FRAME_BEGIN__); -#endif -#ifdef CHECK__register_frame_info - __register_frame_info (__EH_FRAME_BEGIN__); - __deregister_frame_info (__EH_FRAME_BEGIN__); -#endif -} -int __eh_pc; -__throw () {} -/* FIXME: this is fragile. */ -malloc () {} -strcmp () {} -strlen () {} -memcpy () {} -memset () {} -free () {} -abort () {} -__bzero () {} -dl_iterate_phdr () {} -EOF -libc_unwind_check="${CC-cc} $CFLAGS $CPPFLAGS -DCHECK__register_frame_info \ - $LDFLAGS \ - -nostdlib -nostartfiles -o conftest conftest.c \ - -lgcc" -# Some platforms' specs put -lgcc first. The second one doesn't hurt. -if AC_TRY_COMMAND([$libc_unwind_check >&AS_MESSAGE_LOG_FD]) || - AC_TRY_COMMAND([$libc_unwind_check -lgcc_eh -lgcc >&AS_MESSAGE_LOG_FD]) -then - if $libc_unwind_check -v 2>&1 >/dev/null \ - | grep -- --eh-frame-hdr 2>&1 >/dev/null; then - libc_cv_gcc_dwarf2_unwind_info=no_registry_needed - else - libc_cv_gcc_dwarf2_unwind_info=static - fi -else - libc_cv_gcc_dwarf2_unwind_info=no -fi -if test $libc_cv_gcc_dwarf2_unwind_info = no; then - if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS -DCHECK__register_frame - $LDFLAGS -nostdlib -nostartfiles - -o conftest conftest.c -lgcc >&AS_MESSAGE_LOG_FD]); then - libc_cv_gcc_dwarf2_unwind_info=yes - else - libc_cv_gcc_dwarf2_unwind_info=no - fi -fi -rm -f conftest*]) -case $libc_cv_gcc_dwarf2_unwind_info in -yes) - AC_DEFINE(HAVE_DWARF2_UNWIND_INFO) - ;; -static) - AC_DEFINE(HAVE_DWARF2_UNWIND_INFO) - AC_DEFINE(HAVE_DWARF2_UNWIND_INFO_STATIC) - ;; -esac - dnl Check whether compiler understands __builtin_expect. AC_CACHE_CHECK(for __builtin_expect, libc_cv_gcc_builtin_expect, [cat > conftest.c <<EOF @@ -2118,10 +2125,6 @@ if test $shared = default; then shared=$elf fi -if test x"$libc_cv_idn" = xyes; then - AC_DEFINE(HAVE_LIBIDN) -fi - AC_CACHE_CHECK([whether -fPIC is default], pic_default, [pic_default=yes cat > conftest.c <<EOF |