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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 <asm/page.h>
#include <sys/sysctl.h>
+/* see http://www.ussg.iu.edu/hypermail/linux/kernel/0311.0/0529.html */
+#include <linux/version.h>
+#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)
Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
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