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HelloWorld Troubles
From: |
X X |
Subject: |
HelloWorld Troubles |
Date: |
Tue, 08 Jan 2002 19:01:32 -0400 |
Hello Community,
I am having problems compiling a simple HelloWorld program using GNU GCC. I
can't seem to use the -G, -symbolic, or -shared switches (which I don't
really need for my simple program, but do need for something a bit more
robust)...
The Specs...
OS: Solaris7
COMPILER: GNU gcc 2.95.3 (from sunfreeware.com)
LINKER: GNU ld 2.11.2 (with BFD 2.11.2) (from sunfreeware.com)
LD_LIBRARY_PATH=/usr/local/lib
The Program...
#include <iostream.h>
int main(int argc, char** argv)
{
cout << "HELLO WORLD!" << endl;
return 0;
}
The compiles (and the results)...
FIRST COMPILE
[/]$g++ -c -o HelloWorld.o HelloWorld.cpp
The above is successful and produces HelloWorld object file
[/]$g++ -o HelloWorld HelloWorld.o
The above is successful and produces HelloWord executable file
[/]$HelloWorld
HELLO WORLD!
The above is successful and outputs HELLO WORLD! on the console.
[/]$ldd HelloWorld
libstdc++.so.2.10.0 => /usr/local/lib/libstdc++.so.2.10.0
libm.so.1 => /usr/lib/libm.so.1
libc.so.1 => /usr/lib/libc.so.1
libdl.so.1 => /usr/lib/libdl.so.1
/usr/platform/SUNW,Ultra-5_10/lib/libc_psr.so.1
SECOND COMPILE
[/]$g++ -c -o HelloWorld.o HelloWorld.cpp
The above is successful and produces HelloWorld object file
[/]$g++ -G -o HelloWorld HelloWorld.o
The above is successful and produces HelloWord executable file
[/]$HelloWorld
The above is NOT successful. It just hangs...
[/]$truss -f HelloWorld
18643: execve("HelloWorld", 0xFFBEF83C, 0xFFBEF844) argc = 1
and it just hangs.
[/]$ldd HelloWorld
libstdc++.so.2.10.0 => /usr/local/lib/libstdc++.so.2.10.0
libm.so.1 => /usr/lib/libm.so.1
libc.so.1 => /usr/lib/libc.so.1
libdl.so.1 => /usr/lib/libdl.so.1
/usr/platform/SUNW,Ultra-5_10/lib/libc_psr.so.1
THIRD COMPILE
[/]$g++ -c -o HelloWorld.o HelloWorld.cpp
The above is successful and produces HelloWorld object file
[/]$g++ -shared -o HelloWorld HelloWorld.o
The above is successful and produces HelloWorld executable file
[/]$HelloWorld
Segmentation Fault(coredump)
The above is NOT successful. It immediately core dumps with a segmentation
fault...
[/]$truss -f HelloWorld
18659:execve("HelloWorld", 0xFFBEF83C, 0xFFBEF844) argc = 1
18659: Incurred fault #6, FLTBOUNDS %pc = 0x00000008
18659: siginfo: SIGSEGV SEGV_MAPERR addr=0x00000008
18659: Received signal #11, SIGSEGV [default]
18659: siginfo: SIGSEGV SEGV_MAPERR addr=0x00000008
18659: *** process killed ***
[/]$ldd HelloWorld
libstdc++.so.2.10.0 => /usr/local/lib/libstdc++.so.2.10.0
libm.so.1 => /usr/lib/libm.so.1
libc.so.1 => /usr/lib/libc.so.1
libdl.so.1 => /usr/lib/libdl.so.1
/usr/platform/SUNW,Ultra-5_10/lib/libc_psr.so.1
FOURTH COMPILE
[/]$g++ -c -o HelloWorld.o HelloWorld.cpp
The above is successful and produces HelloWorld object file
[/]$g++ -symbolic -o HelloWorld HelloWorld.o
The above is successful and produces HelloWorld executable file
[/]$HelloWorld
Segmentation Fault(coredump)
The above is NOT successful. It immediately core dumps with a segmentation
fault...
[/]$truss -f HelloWorld
18659:execve("HelloWorld", 0xFFBEF83C, 0xFFBEF844) argc = 1
18659: Incurred fault #6, FLTBOUNDS %pc = 0x00000008
18659: siginfo: SIGSEGV SEGV_MAPERR addr=0x00000008
18659: Received signal #11, SIGSEGV [default]
18659: siginfo: SIGSEGV SEGV_MAPERR addr=0x00000008
18659: *** process killed ***
[/]$ldd HelloWorld
libstdc++.so.2.10.0 => /usr/local/lib/libstdc++.so.2.10.0
libm.so.1 => /usr/lib/libm.so.1
libc.so.1 => /usr/lib/libc.so.1
libdl.so.1 => /usr/lib/libdl.so.1
/usr/platform/SUNW,Ultra-5_10/lib/libc_psr.so.1
Again, I am having trouble using the -G, -shared, or -symbolic switches. I
do admit that I am not a compile person and have limited understanding of
the switches I am using, so hopefully my mistake will be silly.
Thanks Community!
x1x82
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