mirror of
git://sourceware.org/git/glibc.git
synced 2025-04-24 14:41:06 +08:00
Update from 2.1 version.
This commit is contained in:
Ulrich Drepper
parent
ba664d7a58
commit
6db91a6419
@ -94,8 +94,9 @@ catopen (const char *cat_name, int flag)
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nlspath = tmp;
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}
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else
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result->nlspath = __strdup (NLSPATH);
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nlspath = NLSPATH;
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result->nlspath = __strdup (nlspath);
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if (result->nlspath == NULL)
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{
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free ((void *) result->cat_name);
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124
configure.in
124
configure.in
@ -76,6 +76,13 @@ AC_ARG_ENABLE(omitfp, dnl
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[ --enable-omitfp build undebuggable optimized library [default=no]],
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omitfp=$enableval, omitfp=no)
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dnl Some gcc versions have problems with omit-frame-pointer. Warn about this.
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if test $omitfp = yes; then
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echo "*** Not all versions of GCC compile code correctly when the"
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echo "*** -fomit-frame-pointer version is used. You are on your own"
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echo "*** if you use it."
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fi
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dnl Generic infrastructure for drop-in additions to libc.
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AC_ARG_ENABLE(add-ons, dnl
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[ --enable-add-ons=DIR... configure and build named extra directories],
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@ -103,6 +110,30 @@ gnu*)
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host_os=`echo $host_os | sed -e 's/gnu/gnu-gnu/'`
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;;
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esac
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###
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### I put this here to prevent those annoying emails from people who cannot
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### read and try to compile glibc on unsupported platforms. --drepper
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###
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### By using the undocumented --enable-hacker-mode option for configure
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### one can skip this test to make the configuration not fail for unsupported
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### platforms.
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###
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if test -z "$enable_hacker_mode"; then
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case "$host_os" in
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linux* | gnu*)
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;;
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*)
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echo "*** The GNU C library is currently not available for this platform."
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echo "*** So far nobody cared to port it and if there is no volunteer it"
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echo "*** might never happen. So, if you have interest to see glibc on"
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echo "*** this platform visit"
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echo "*** http://www.gnu.org/software/libc/porting.html"
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echo "*** and join the group of porters"
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exit 1
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;;
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esac
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fi
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# We keep the original values in `$config_*' and never modify them, so we
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# can write them unchanged into config.make. Everything else uses
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@ -116,7 +147,8 @@ gnu* | linux* | bsd4.4* | netbsd* | freebsd*)
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gnu_ld=yes gnu_as=yes ;;
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esac
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case "$host_os" in
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linux*ecoff*)
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# i586-linuxaout is mangled into i586-pc-linux-gnuaout
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linux*ecoff* | linux*aout* | gnu*aout* | gnu*ecoff*)
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;;
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gnu* | linux* | sysv4* | solaris2*)
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# These systems (almost) always use the ELF format.
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@ -351,7 +383,7 @@ AC_MSG_RESULT(sysdeps/generic sysdeps/stub)
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AC_PROG_INSTALL
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if test "$INSTALL" = "${srcdir}/install-sh -c"; then
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# The makefiles need to use a different form to find it in $srcdir.
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INSTALL='$(..)./install-sh -c'
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INSTALL='\$(..)./install-sh -c'
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fi
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AC_PROG_LN_S
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AC_CHECK_PROGS(MSGFMT, msgfmt gmsgfmt, :)
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@ -443,6 +475,37 @@ if test $libc_cv_need_minus_P = yes; then
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asm-CPPFLAGS = -P # The assembler can't grok cpp's # line directives."
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fi
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# gcc 2.7.x has a bug where if -pipe is set, the assembler will always
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# be told to read stdin. This causes the compiler to hang when fed an
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# .s file.
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if test $ac_cv_prog_gcc = yes; then
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case `${CC-cc} -v 2>&1` in
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*2.7*)
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# We must check this even if -pipe is not given here, because the user
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# might do `make CFLAGS=-pipe'.
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AC_CACHE_CHECK(for gcc 2.7.x -pipe bug, libc_cv_gcc_pipe_bug, [dnl
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cp /dev/null conftest.s
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cat >conftest1.s <<EOF
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.nosuchdirective
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EOF
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if ${CC-cc} -pipe -c conftest.s <conftest1.s 2>/dev/null; then
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libc_cv_gcc_pipe_bug=no
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else
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libc_cv_gcc_pipe_bug=yes
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fi
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rm -f conftest*])
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if test $libc_cv_gcc_pipe_bug = yes; then
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makeCC="${CC-cc} -B\$(common-objpfx)"
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makeCFLAGS=$CFLAGS
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CFLAGS=`echo $CFLAGS |sed 's/-pipe//'`
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fi;;
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*) libc_cv_gcc_pipe_bug=no;;
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esac
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else
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libc_cv_gcc_pipe_bug=no
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fi
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AC_CACHE_CHECK(for assembler global-symbol directive,
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libc_cv_asm_global_directive, [dnl
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libc_cv_asm_global_directive=UNKNOWN
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@ -450,7 +513,7 @@ for ac_globl in .globl .global; do
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cat > conftest.s <<EOF
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.text
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${ac_globl} foo
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foo: .long 0
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foo:
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EOF
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if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then
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libc_cv_asm_global_directive=${ac_globl}
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@ -535,13 +598,45 @@ if test $elf != yes; then
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fi
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fi
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dnl AC_CHECK_ASM_UNDERSCORE([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
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AC_DEFUN(AC_CHECK_ASM_UNDERSCORE,
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[cat > conftest.$ac_ext <<EOF
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dnl This sometimes fails to find confdefs.h, for some reason.
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dnl [#]line __oline__ "[$]0"
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[#]line __oline__ "configure"
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#include "confdefs.h"
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void underscore_test(void) {
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return; }
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EOF
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if AC_TRY_EVAL(ac_compile); then
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if grep _underscore_test conftest* >/dev/null; then
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ifelse([$1], , :, [rm -f conftest*
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$1])
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else
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ifelse([$2], , , [rm -f conftest*
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$2])
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fi
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else
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echo "configure: failed program was:" >&AC_FD_CC
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cat conftest.$ac_ext >&AC_FD_CC
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ifelse([$2], , , [rm -f conftest*
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$2])
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fi
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rm -f conftest*])
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if test $elf = yes; then
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libc_cv_asm_underscores=no
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else
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AC_CACHE_CHECK(for _ prefix on C symbol names, libc_cv_asm_underscores,
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[AC_TRY_LINK([asm ("_glibc_foobar:");], [glibc_foobar ();],
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libc_cv_asm_underscores=yes,
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libc_cv_asm_underscores=no)])
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if test $ac_cv_prog_cc_works = yes; then
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AC_CACHE_CHECK(for _ prefix on C symbol names, libc_cv_asm_underscores,
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[AC_TRY_LINK([asm ("_glibc_foobar:");], [glibc_foobar ();],
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libc_cv_asm_underscores=yes,
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libc_cv_asm_underscores=no)])
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else
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AC_CACHE_CHECK(for _ prefix on C symbol names, libc_cv_asm_underscores,
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[AC_CHECK_ASM_UNDERSCORE(libc_cv_asm_underscores=yes,
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libc_cv_asm_underscores=no)])
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fi
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fi
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if test $libc_cv_asm_underscores = no; then
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AC_DEFINE(NO_UNDERSCORES)
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@ -557,7 +652,7 @@ else
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cat > conftest.s <<EOF
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.text
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${libc_cv_asm_global_directive} foo
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foo: .long 0
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foo:
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.weak foo
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.weak bar; bar = foo
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EOF
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@ -575,7 +670,7 @@ if test $libc_cv_asm_weak_directive = no; then
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cat > conftest.s <<EOF
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.text
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${libc_cv_asm_global_directive} foo
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foo: .long 0
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foo:
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.weakext foo
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.weakext foo, bar
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EOF
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@ -769,5 +864,16 @@ fi
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VERSION=`sed -e 's/^#define VERSION "\([^"]*\)"/\1/p' -e d < $srcdir/version.h`
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AC_SUBST(VERSION)
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if test $libc_cv_gcc_pipe_bug = yes; then
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realCC=$CC
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CC=$makeCC
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CFLAGS=$makeCFLAGS
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fi
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AC_OUTPUT_COMMANDS([
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if test "$realCC"; then
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sed -e 's/%{pipe:-}/%|/g' `$realCC -print-file-name=specs` >specsT
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mv specsT specs
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fi], [realCC=$realCC])
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AC_OUTPUT(config.make glibcbug ${config_makefile} ${config_uname}, ,
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[echo '$config_vars' >> config.make])
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@ -6,8 +6,9 @@
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# these variables are filled in by configure
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#
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VERSION="@VERSION@"
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BUGGLIBC="bugs@gnu.ai.mit.edu"
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BUGGLIBC="bugs@gnu.org"
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ADDONS="@subdirs@"
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HOST="@host@"
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PATH=/bin:/usr/bin:/usr/local/bin:$PATH
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export PATH
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@ -119,6 +120,7 @@ ${ORGANIZATION- $ORGANIZATION_C}
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>Release: libc-${VERSION}
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>Environment:
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$ENVIRONMENT_C
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`[ -n "$HOST" ] && echo Host type: $HOST`
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`[ -n "$SYSTEM" ] && echo System: $SYSTEM`
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`[ -n "$ARCH" ] && echo Architecture: $ARCH`
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`[ -n "$MACHINE" ] && echo Machine: $MACHINE`
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@ -175,11 +175,15 @@ facilities, type @code{make check}. This will produce several files
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with names like @file{@var{program}.out}.
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To format the @cite{GNU C Library Reference Manual} for printing, type
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@w{@code{make dvi}}.
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@w{@code{make dvi}}. You need a working TeX installation to do this.
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To install the library and its header files, and the Info files of the
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manual, type @code{make install}. This will build things if necessary,
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before installing them.@refill
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before installing them. If you want to install the files in a different
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place than the one specified at configuration time you can specify a
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value for the Makefile variable @code{install_root} on the command line.
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This is useful to create chroot'ed environment or to prepare binary
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releases.@refill
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@node Tools for Installation
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@appendixsubsec Recommended Tools to Install the GNU C Library
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@ -196,7 +200,9 @@ build the GNU C library:
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You need the latest version of GNU @code{make}. Modifying the GNU C
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Library to work with other @code{make} programs would be so hard that we
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recommend you port GNU @code{make} instead. @strong{Really.}
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We recommend version GNU @code{make} version 3.75 or later.
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We recommend version GNU @code{make} version 3.75. Versions 3.76 and
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3.76.1 are known to have bugs which only show up in big projects like
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GNU @code{libc}.
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@item
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GCC 2.7.2
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@ -206,12 +212,27 @@ compiler. We recommend GCC version 2.7.2 or later; earlier versions may
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have problems.
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@item
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@code{binutils} 2.8
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@code{binutils} 2.8.1
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Using the GNU @code{binutils} (assembler, linker, and related tools) is
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preferable when possible, and they are required to build an ELF shared C
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library. We recommend @code{binutils} version 2.8 or later; earlier
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versions are known to have problems or to not support all architectures.
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@item
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@code{texinfo} 3.11
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To correctly translate and install the Texinfo documentation you need
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this version of the @code{texinfo} package. Former versions did not
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understand all the tags used in the document and also the installation
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mechanisms for the info files was not present or worked differently.
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On some Debian Linux based systems the used @code{install-info} program
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works differently. Here you have to run make like this:
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@smallexample
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make INSTALL_INFO=/path/to/GNU/install-info install
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@end smallexample
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@end itemize
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@node Supported Configurations
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@ -233,7 +254,6 @@ versions) used to run on the following configurations:
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@smallexample
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alpha-dec-osf1
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alpha-@var{anything}-linuxecoff
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i@var{x}86-@var{anything}-bsd4.3
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i@var{x}86-@var{anything}-isc2.2
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i@var{x}86-@var{anything}-isc3.@var{n}
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