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Top Forums Programming Compilation error on namespaces in system header debug.h Post 302143399 by rimon on Thursday 1st of November 2007 06:41:42 AM
Compilation error on namespaces in system header debug.h

Hi,

I'm porting code from Windows to HP-UX 11, compiling with g++.
I'm getting a compilation error on the system's debug.h include file, which is included very indirectly through a series of other system include files. The one I am including is <map> .
The errors I am getting are:
/opt/hp-gcc-4.2.1/lib/gcc/ia64-hp-hpux11.23/4.2.1/../../../../include/c++/4.2.1/debug/debug.h: At global scope:
/opt/hp-gcc-4.2.1/lib/gcc/ia64-hp-hpux11.23/4.2.1/../../../../include/c++/4.2.1/debug/debug.h:49: error: expected identifier before numeric constant
/opt/hp-gcc-4.2.1/lib/gcc/ia64-hp-hpux11.23/4.2.1/../../../../include/c++/4.2.1/debug/debug.h:49: error: expected unqualified-id before numeric constant
/opt/hp-gcc-4.2.1/lib/gcc/ia64-hp-hpux11.23/4.2.1/../../../../include/c++/4.2.1/debug/debug.h:54: error: expected identifier before numeric constant
/opt/hp-gcc-4.2.1/lib/gcc/ia64-hp-hpux11.23/4.2.1/../../../../include/c++/4.2.1/debug/debug.h:54: error: expected unqualified-id before numeric constant
/opt/hp-gcc-4.2.1/lib/gcc/ia64-hp-hpux11.23/4.2.1/../../../../include/c++/4.2.1/debug/debug.h:59: error: expected identifier before numeric constant
/opt/hp-gcc-4.2.1/lib/gcc/ia64-hp-hpux11.23/4.2.1/../../../../include/c++/4.2.1/debug/debug.h:59: error: expected `;' before numeric constant
/opt/hp-gcc-4.2.1/lib/gcc/ia64-hp-hpux11.23/4.2.1/../../../../include/c++/4.2.1/debug/debug.h:59: error: expected unqualified-id before numeric constant
/opt/hp-gcc-4.2.1/lib/gcc/ia64-hp-hpux11.23/4.2.1/../../../../include/c++/4.2.1/debug/debug.h:60: error: expected identifier before numeric constant
/opt/hp-gcc-4.2.1/lib/gcc/ia64-hp-hpux11.23/4.2.1/../../../../include/c++/4.2.1/debug/debug.h:60: error: expected `;' before numeric constant
/opt/hp-gcc-4.2.1/lib/gcc/ia64-hp-hpux11.23/4.2.1/../../../../include/c++/4.2.1/debug/debug.h:60: error: expected unqualified-id before numeric constant

Following is the beginning of debug.h with the leading comment removed. The lines that get the errors are the declarations of nested namespaces, e.g. namespace __debug { }

Code:
#ifndef _GLIBCXX_DEBUG_MACRO_SWITCH_H
#define _GLIBCXX_DEBUG_MACRO_SWITCH_H 1

/** Macros and namespaces used by the implementation outside of debug
 *  wrappers to verify certain properties. The __glibcxx_requires_xxx
 *  macros are merely wrappers around the __glibcxx_check_xxx wrappers
 *  when we are compiling with debug mode, but disappear when we are
 *  in release mode so that there is no checking performed in, e.g.,
 *  the standard library algorithms.
*/

// Debug mode namespaces.
namespace std
{
  namespace __debug { }
}

namespace __gnu_cxx
{
  namespace __debug { };
}

namespace __gnu_debug
{
  using namespace std::__debug;
  using namespace __gnu_cxx::__debug;
}

How do I get this to compile?

Thank you!

RO
 
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SYSTEMD-DEBUG-GENERATOR(8)				      systemd-debug-generator					SYSTEMD-DEBUG-GENERATOR(8)

NAME
systemd-debug-generator - Generator for enabling a runtime debug shell and masking specific units at boot SYNOPSIS
/lib/systemd/system-generators/systemd-debug-generator DESCRIPTION
systemd-debug-generator is a generator that reads the kernel command line and understands three options: If the systemd.mask= option is specified and followed by a unit name, this unit is masked for the runtime, similar to the effect of systemctl(1)'s mask command. This is useful to boot with certain units removed from the initial boot transaction for debugging system startup. May be specified more than once. If the systemd.wants= option is specified and followed by a unit name, a start job for this unit is added to the initial transaction. This is useful to start one or more additional units at boot. May be specified more than once. If the systemd.debug_shell option is specified, the debug shell service "debug-shell.service" is pulled into the boot transaction. It will spawn a debug shell on tty9 during early system startup. Note that the shell may also be turned on persistently by enabling it with systemctl(1)'s enable command. systemd-debug-generator implements systemd.generator(7). SEE ALSO
systemd(1), systemctl(1), kernel-command-line(7) systemd 237 SYSTEMD-DEBUG-GENERATOR(8)

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