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1998-08-12 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/unix/sysv/linux/configure.in: Obey --with-headers, document it. * sysdeps/unix/sysv/linux/alpha/configure.in: New file, contains test for recent Linux 2.1.100+ headers.
52 lines
1.7 KiB
Plaintext
Executable File
52 lines
1.7 KiB
Plaintext
Executable File
# Local configure fragment for sysdeps/unix/sysv/linux/alpha.
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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 -n "$sysheaders"; then
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OLD_CFLAGS=$CFLAGS
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CFLAGS="$CFLAGS $SYSINCLUDES"
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fi
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echo $ac_n "checking installed Linux kernel header files""... $ac_c" 1>&6
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echo "configure:13: checking installed Linux kernel header files" >&5
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if eval "test \"`echo '$''{'libc_cv_linux21100'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 18 "configure"
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#include "confdefs.h"
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#include <linux/version.h>
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int main() {
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#if LINUX_VERSION_CODE < (2 *65536+ 1 *256+ 100) /* 2.1.100 */
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eat flaming death
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#endif
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; return 0; }
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EOF
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if { (eval echo configure:27: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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rm -rf conftest*
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libc_cv_linux21100='2.1.100 or later'
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else
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echo "configure: failed program was:" >&5
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cat conftest.$ac_ext >&5
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rm -rf conftest*
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libc_cv_linux21100='TOO OLD!'
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fi
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rm -f conftest*
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fi
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echo "$ac_t""$libc_cv_linux21100" 1>&6
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if test "$libc_cv_linux21100" != '2.1.100 or later'; then
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{ echo "configure: error: GNU libc requires kernel header files from
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Linux 2.1.100 or later to be installed before configuring.
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The kernel header files are found usually in /usr/include/asm and
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/usr/include/linux; make sure these directories use files from
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Linux 2.1.100 or later. This check uses <linux/version.h>, so
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make sure that file was built correctly when installing the kernel header
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files. To use kernel headers not from /usr/include/linux, use the
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configure option --with-headers." 1>&2; exit 1; }
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fi
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if test -n "$sysheaders"; then
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CFLAGS=$OLD_CFLAGS
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fi
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