From 619385e2325885d6603b204f82af0ffbac397ed6 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Fri, 21 Aug 1998 22:29:33 +0000 Subject: [PATCH] New file, contains test for recent Linux 2.1.100+ headers. --- sysdeps/unix/sysv/linux/alpha/configure.in | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 sysdeps/unix/sysv/linux/alpha/configure.in diff --git a/sysdeps/unix/sysv/linux/alpha/configure.in b/sysdeps/unix/sysv/linux/alpha/configure.in new file mode 100644 index 0000000000..690defa98b --- /dev/null +++ b/sysdeps/unix/sysv/linux/alpha/configure.in @@ -0,0 +1,36 @@ +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/alpha. + +# 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 + +define([LIBC_LINUX_VERSION],[2.1.100])dnl +if test -n "$sysheaders"; then + OLD_CFLAGS=$CFLAGS + CFLAGS="$CFLAGS $SYSINCLUDES" +fi +define([libc_cv_linuxVER], [libc_cv_linux]patsubst(LIBC_LINUX_VERSION,[\.]))dnl +AC_CACHE_CHECK(installed Linux kernel header files, libc_cv_linuxVER, [dnl +AC_TRY_COMPILE([#include ], +[#if LINUX_VERSION_CODE < ]dnl +patsubst(LIBC_LINUX_VERSION,[^\([^.]*\)\.\([^.]*\)\.\([^.]*\)$],dnl +[ (\1 *65536+ \2 *256+ \3) /* \1.\2.\3 */])[ +eat flaming death +#endif], + libc_cv_linuxVER='LIBC_LINUX_VERSION or later', + libc_cv_linuxVER='TOO OLD!')]) +if test "$libc_cv_linuxVER" != 'LIBC_LINUX_VERSION or later'; then + AC_MSG_ERROR([GNU libc requires kernel header files from +Linux LIBC_LINUX_VERSION 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 LIBC_LINUX_VERSION or later. This check uses , so +make sure that file was built correctly when installing the kernel header +files. To use kernel headers not from /usr/include/linux, use the +configure option --with-headers.]) +fi +if test -n "$sysheaders"; then + CFLAGS=$OLD_CFLAGS +fi -- 2.43.5