yann@1: Applies to both glibc-2.2.5 and glibc-2.3.2, and probably glibc cvs as of Aug 2004.
yann@1: Needed to build glibc with linux kernels 2.4.23 or higher on ARM, 
yann@1: Fixes following error:
yann@1: 
yann@1: ../sysdeps/unix/sysv/linux/arm/ioperm.c: In function `init_iosys':
yann@1: ../sysdeps/unix/sysv/linux/arm/ioperm.c:103: error: `BUS_ISA' undeclared (first use in this function)
yann@1: ../sysdeps/unix/sysv/linux/arm/ioperm.c:103: error: (Each undeclared identifier is reported only once
yann@1: ../sysdeps/unix/sysv/linux/arm/ioperm.c:103: error: for each function it appears in.)
yann@1: ../sysdeps/unix/sysv/linux/arm/ioperm.c:103: error: initializer element is not constant
yann@1: ../sysdeps/unix/sysv/linux/arm/ioperm.c:103: error: (near initialization for `iobase_name[1]')
yann@1: ../sysdeps/unix/sysv/linux/arm/ioperm.c:104: error: initializer element is not constant
yann@1: ../sysdeps/unix/sysv/linux/arm/ioperm.c:104: error: (near initialization for `ioshift_name[1]')
yann@1: make[2]: *** [/home/dank/crosstool-0.28/build/arm-softfloat-linux-gnu/gcc-3.3.4-glibc-2.2.5/build-glibc/misc/ioperm.o] Error 1
yann@1: 
yann@1: cf. "[SYSCTL] BUS_ISA -> CTL_BUS_ISA",  http://www.ussg.iu.edu/hypermail/linux/kernel/0311.0/0529.html
yann@1: 
yann@1: --- glibc-2.3.2/sysdeps/unix/sysv/linux/arm/ioperm.c.old	2003-02-20 14:22:24.000000000 -0800
yann@1: +++ glibc-2.3.2/sysdeps/unix/sysv/linux/arm/ioperm.c	2004-01-31 16:01:50.000000000 -0800
yann@1: @@ -47,6 +47,12 @@
yann@1:  #include <asm/page.h>
yann@1:  #include <sys/sysctl.h>
yann@1:  
yann@1: +/* see http://www.ussg.iu.edu/hypermail/linux/kernel/0311.0/0529.html */
yann@1: +#include <linux/version.h>
yann@1: +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,23))
yann@1: +#define CTL_BUS_ISA BUS_ISA	/* and hope it's not the one from linux/input.h */
yann@1: +#endif
yann@1: +
yann@1:  #define PATH_ARM_SYSTYPE	"/etc/arm_systype"
yann@1:  #define PATH_CPUINFO		"/proc/cpuinfo"
yann@1:  
yann@1: @@ -80,7 +86,7 @@
yann@1:   * Initialize I/O system.  There are several ways to get the information
yann@1:   * we need.  Each is tried in turn until one succeeds.
yann@1:   *
yann@1: - * 1. Sysctl (CTL_BUS, BUS_ISA, ISA_*).  This is the preferred method
yann@1: + * 1. Sysctl (CTL_BUS, CTL_BUS_ISA, ISA_*).  This is the preferred method
yann@1:   *    but not all kernels support it.
yann@1:   *
yann@1:   * 2. Read the value (not the contents) of symlink PATH_ARM_SYSTYPE.
yann@1: @@ -100,8 +106,8 @@
yann@1:  {
yann@1:    char systype[256];
yann@1:    int i, n;
yann@1: -  static int iobase_name[] = { CTL_BUS, BUS_ISA, BUS_ISA_PORT_BASE };
yann@1: -  static int ioshift_name[] = { CTL_BUS, BUS_ISA, BUS_ISA_PORT_SHIFT };
yann@1: +  static int iobase_name[] = { CTL_BUS, CTL_BUS_ISA, BUS_ISA_PORT_BASE };
yann@1: +  static int ioshift_name[] = { CTL_BUS, CTL_BUS_ISA, BUS_ISA_PORT_SHIFT };
yann@1:    size_t len = sizeof(io.base);
yann@1:  
yann@1:    if (! sysctl (iobase_name, 3, &io.io_base, &len, NULL, 0)