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089b2b8ad8
variable name, so new a libc with new requirements won't fail to notice an insufficient Linux version.
27 lines
1.1 KiB
Plaintext
27 lines
1.1 KiB
Plaintext
sinclude(./aclocal.m4)dnl Autoconf lossage
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GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
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# Local configure fragment for sysdeps/unix/sysv/linux.
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# On Linux, the default is to use libio instead of stdio.
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test $stdio = default && stdio=libio
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# Don't bother trying to generate any glue code to be compatible with the
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# existing system library, because we are the only system library.
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inhibit_glue=yes
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AC_CACHE_CHECK(installed Linux kernel header files, libc_cv_linux201, [dnl
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AC_TRY_COMPILE([#include <linux/version.h>],
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[#if LINUX_VERSION_CODE < (2 *65536+ 0 *256+ 1) /* 2.0.1 */
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eat flaming death
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#endif],
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libc_cv_linux201='2.0.1 or later',
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libc_cv_linux201='TOO OLD!')])
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if test "$libc_cv_linux201" != '2.0.1 or later'; then
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AC_MSG_ERROR([GNU libc requires kernel header files from Linux 2.0.1
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or later to be installed before configuring. The kernel header files
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are found usually in /usr/include/asm and /usr/include/linux; make sure
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these directories use files from Linux 2.0.1 or later. This check uses
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<linux/version.h>, so make sure that file was built correctly when
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installing the kernel header files.])
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fi
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