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- Feb 11, 2009
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Hi,
If I compile a program like
#include <stdio.h>
int main(int argc, char** argv)
{
printf("Hello World\n");
return 0;
}
on the terminal (simply using 'gcc helloworld.c') and then run it from Terminal, it takes about 45 seconds where the entire terminal app is locked up and the spinning pinwheel is shown before the program executes.
What on earth could be going on? If I try
The file is a+rx (what does set-id mean?).
Finally, if i try gdb ./a.out:
I'm totally confused. This stuff should all just work. What could be happening? FWIW, This is using
Mac OS X 10.5.5, Xcode 3.1.2
If I compile a program like
#include <stdio.h>
int main(int argc, char** argv)
{
printf("Hello World\n");
return 0;
}
on the terminal (simply using 'gcc helloworld.c') and then run it from Terminal, it takes about 45 seconds where the entire terminal app is locked up and the spinning pinwheel is shown before the program executes.
What on earth could be going on? If I try
sudo dtruss ~/ea/c/a.out
Password:
dtrace: failed to execute /Users/ea/c/a.out: file is set-id or unreadable [Note: the '-c' option requires a full pathname to the file]
Password:
dtrace: failed to execute /Users/ea/c/a.out: file is set-id or unreadable [Note: the '-c' option requires a full pathname to the file]
The file is a+rx (what does set-id mean?).
Finally, if i try gdb ./a.out:
gdb ./a.out
GNU gdb 6.3.50-20050815 (Apple version gdb-962) (Sat Jul 26 08:14:40 UTC 2008)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "i386-apple-darwin"..../a.out: No such file or directory.
(gdb) run
Starting program:
No executable file specified.
Use the "file" or "exec-file" command.
(gdb) start
GNU gdb 6.3.50-20050815 (Apple version gdb-962) (Sat Jul 26 08:14:40 UTC 2008)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "i386-apple-darwin"..../a.out: No such file or directory.
(gdb) run
Starting program:
No executable file specified.
Use the "file" or "exec-file" command.
(gdb) start
I'm totally confused. This stuff should all just work. What could be happening? FWIW, This is using
gcc -v
Using built-in specs.
Target: i686-apple-darwin9
Configured with: /var/tmp/gcc/gcc-5490~1/src/configure --disable-checking -enable-werror --prefix=/usr --mandir=/share/man --enable-languages=c,objc,c++,obj-c++ --program-transform-name=/^[cg][^.-]*$/s/$/-4.0/ --with-gxx-include-dir=/include/c++/4.0.0 --with-slibdir=/usr/lib --build=i686-apple-darwin9 --with-arch=apple --with-tune=generic --host=i686-apple-darwin9 --target=i686-apple-darwin9
Thread model: posix
gcc version 4.0.1 (Apple Inc. build 5490)
Using built-in specs.
Target: i686-apple-darwin9
Configured with: /var/tmp/gcc/gcc-5490~1/src/configure --disable-checking -enable-werror --prefix=/usr --mandir=/share/man --enable-languages=c,objc,c++,obj-c++ --program-transform-name=/^[cg][^.-]*$/s/$/-4.0/ --with-gxx-include-dir=/include/c++/4.0.0 --with-slibdir=/usr/lib --build=i686-apple-darwin9 --with-arch=apple --with-tune=generic --host=i686-apple-darwin9 --target=i686-apple-darwin9
Thread model: posix
gcc version 4.0.1 (Apple Inc. build 5490)
gdb -v
GNU gdb 6.3.50-20050815 (Apple version gdb-962) (Sat Jul 26 08:14:40 UTC 2008)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "i386-apple-darwin".
GNU gdb 6.3.50-20050815 (Apple version gdb-962) (Sat Jul 26 08:14:40 UTC 2008)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "i386-apple-darwin".
Mac OS X 10.5.5, Xcode 3.1.2
