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c2f55635da
* sysdeps/alpha/elf/configure.in: Likewise.
* sysdeps/i386/elf/configure.in: Likewise.
* sysdeps/mach/hurd/configure.in: Likewise.
* sysdeps/x86_64/elf/configure.in: Likewise.
65 lines
1.9 KiB
Plaintext
65 lines
1.9 KiB
Plaintext
GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
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# GNU libc on the Hurd is always reentrant.
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DEFINES="$DEFINES -D_LIBC_REENTRANT"
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dnl We need this setting because of the need for PLT calls in ld.so.
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AC_DEFINE([NO_HIDDEN])
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# Don't bother trying to generate any glue code to be compatible with the
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# existing system library, because we are the only system library.
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inhibit_glue=yes
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if test "x$prefix" != x; then
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AC_MSG_WARN([--prefix= (empty) is required for GNU/Hurd to work normally])
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fi
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case "$machine" in
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i386*)
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# The default oldest ABI is 2.2.6.
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# We only need a "yes" here if the oldest ABI supported will be < 2.2.6.
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if test "$oldest_abi" != default && test "$oldest_abi" \< "2.2.6"; then
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libc_cv_gcc_unwind_find_fde=yes
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fi
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;;
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esac
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AC_CACHE_CHECK(Hurd header version, libc_cv_hurd_version, [dnl
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AC_TRY_COMPILE(dnl
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[#include <hurd/version.h>], [
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#define NEED_VERSION 20020609
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#if HURD_INTERFACE_VERSION < NEED_VERSION
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# error Hurd version too old: HURD_INTERFACE_VERSION < NEED_VERSION
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#endif],
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libc_cv_hurd_version=ok,
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libc_cv_hurd_version=bad)])
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if test "x$libc_cv_hurd_version" != xok; then
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AC_MSG_ERROR(Hurd headers not installed or too old)
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fi
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dnl Swiped from hurd/aclocal.m4
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AC_DEFUN([hurd_MIG_RETCODE], [dnl
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# See if mig groks `retcode'.
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AC_CACHE_CHECK(whether $MIG supports the retcode keyword, hurd_cv_mig_retcode,
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[cat > conftest.defs <<\EOF
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#include <mach/std_types.defs>
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#include <mach/mach_types.defs>
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subsystem foobar 1000;
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type reply_port_t = polymorphic | MACH_MSG_TYPE_PORT_SEND_ONCE
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ctype: mach_port_t;
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simpleroutine foobar_reply (
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reply_port: reply_port_t;
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err: kern_return_t, RetCode);
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EOF
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if AC_TRY_COMMAND([CC="${CC}" ${MIG-false} -n conftest.defs 1>&AS_MESSAGE_LOG_FD]); then
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hurd_cv_mig_retcode=yes
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else
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hurd_cv_mig_retcode=no
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fi
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rm -f conftest*])
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if test $hurd_cv_mig_retcode = yes; then
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AC_DEFINE(HAVE_MIG_RETCODE)
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fi])
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hurd_MIG_RETCODE
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