Try at least level -O2 and it will probably catch it. Without at least that level the compiler doesn't do enough work to detect out-of-bounds but it should still detect it at run-time.
Hi,
I turned on -O2 on linux fedora (g++ GCC 7.3.1 20180130 Red Hat 7.3.1-2) and also tried the same code on a FreeBSD unix (g++ FreeBSD Ports Collection 6.4.0) and they both didn't catch the array out-of-bounds when both -O2 and -Warray-bounds=2 are enabled.
:confused: I have a question concerning gcc. IŽd like to install the gcc on my Mac OS X, but when I try to run the configure command I get the following message:
floriant% ./configure
./configure: read-only variable: PWD
Configuring for a powerpc-apple-darwin5.4 host.
*** This configuration... (2 Replies)
i write c++ code it run perfectely with g++ compiler but same code when i compile with
GCC compiler it gives linker error , followed these linker error
/tmp/ccfZtXOQ.o(.text+0x22): In function `main':
conf_system.cpp: undefined reference to `operator new(unsigned int)'... (5 Replies)
Hi,
we are converting from IBM-AIX(xl c/c++ compiler) to Linux(GCC complier).
As a part of this i need to change the CFLAGS.
The xl c/c++ complier CFLAGS is
CFLAGS := $(CDEBUG) $(PROJECT_INCLUDE_DIRS) $(COBJECT_MODE) -qcpluscmt -qmakedep -qcheck=all \
-qalign=bit_packed $(LINT_FLAGS)... (0 Replies)
Hi there
I've got a problem getting my mysql libraries to work.
every time I compile my source code it gives my a compiler error.
Cannot find a rule to create target /usr/include/mysql/mysql.h
AND
/usr/include/mysql/mysql.h: Permission denied
Is anyone fimiliar with this error, and can... (1 Reply)
where to download gcc compiler for ubuntu?
how to install?
how to build and run "c programs"?
screen shots if possible.....:b::D
tutorials too:cool: (5 Replies)
I am using open suse linux. I want to install gcc compiler in my machine. I ahve checked man gcc and man cc. But it's not there. Can someone help me (4 Replies)
Which gcc compiler release had the Arm 9 multicore support?Whether the compiler that used for the single Arm 9 core can be used for its multicore systems ?
If gcc not support,please tell me which are the compilers that are available for Arm 9 multicore systems (including commerical).Whether... (0 Replies)
hi,
can we install gcc compiler in unix based OS(sun solar,IBM AIX,HP,etc) and also
can we install sun cc compiler in AIX environment and vice versa.
and more ..is linux support cc compiler
regards
Ajay (3 Replies)
It might be a simple one but I have this question bothering me for sometime.
When we do a symbol search inside the library directory (i.e. /usr/lib/*) via tools like nm; it takes a while to give us the results. However, its very quick when gcc is invoked to compile a program with the very same... (11 Replies)