diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/configure.in')
| -rw-r--r-- | sysdeps/unix/sysv/linux/configure.in | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/configure.in b/sysdeps/unix/sysv/linux/configure.in new file mode 100644 index 0000000000..5686c26153 --- /dev/null +++ b/sysdeps/unix/sysv/linux/configure.in @@ -0,0 +1,25 @@ +sinclude(./aclocal.m4)dnl Autoconf lossage +GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. +# Local configure fragment for sysdeps/unix/sysv/linux. + +# On Linux, the default is to use libio instead of stdio. +test $stdio = default && stdio=libio + +# Don't bother trying to generate any glue code to be compatible with the +# existing system library, because we are the only system library. +inhibit_glue=yes + +AC_CACHE_CHECK(installed Linux kernel header files, libc_cv_linux2, [dnl +AC_TRY_COMPILE([#include <linux/version.h>], +[#if LINUX_VERSION_CODE < (2 *65536+ 0 *256+ 0) /* 2.0.0 */ +eat flaming death +#endif], + libc_cv_linux2='2.0 or later', libc_cv_linux2='TOO OLD!')]) +if test "$libc_cv_linux2" != '2.0 or later'; then + AC_MSG_ERROR([GNU libc requires kernel header files from Linux 2.0 +or later to be installed before configuring. The kernel header files +are found usually in /usr/include/asm and /usr/include/linux; make sure +these directories use files from Linux 2.0 or later. This check uses +<linux/version.h>, so make sure that file was built correctly when +installing the kernel header files.]) +fi |