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