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Using GNU CC
Copyright © 1988-1999 Free Software Foundation, Inc.
For EGCS-1.0
Permission is granted to make and distribute verbatim copies of this documentation
provided the copyright notice and this permission notice are preserved on all copies.
Permission is granted to copy and distribute modified versions of this documentation
under the conditions for verbatim copying, provided also that the GNU General Public
License is included exactly as in the original, and provided that the entire resulting
derived work is distributed under the terms of a permission notice identical to this one.
Permission is granted to copy and distribute translations of this documentation into
another language, under the above conditions for modified versions, except that the
sections entitled
GNU General Public License
and
Funding for Free Software
and this permission notice, may be included in translations approved by the Free
Software Foundation instead of in the original English.
This documentation has been prepared by Cygnus Technical Publications;
to contact the Cygnus Solutions Technical Publications staff, email:
doc@cygnus.com
.
Copyright © 1991-1999 Cygnus®.
All rights reserved.
GNUPro®, the GNUPro logo, and the Cygnus logo are all trademarks of Cygnus.
All other brand and product names, trademarks and copyrights are the property of their
respective owners.
Permission is granted to make and distribute verbatim copies of this documentation,
provided the copyright notice and this permission notice are preserved on all copies.
Permission is granted to copy and distribute modified versions of this documentation
under the conditions for verbatim copying, provided also that the entire resulting
derived work is distributed under the terms of a permission notice identical to this one.
Permission is granted to copy and distribute translations of this documentation into
another language, under the above conditions for modified versions.
This documentation has been prepared by Cygnus Technical Publications; contact
the Cygnus Technical Publications staff:
doc@cygnus.com
.
While every precaution has been taken in the preparation of this documentation, the
publisher assumes no responsibility for errors or omissions, or for damages resulting
from the use of the information within the documentation.
The following documentation discusses the GNU compiler,
gcc
.
GNU General Public License
Preamble
Terms and conditions for copying, distribution and modification
How to apply these terms to your new programs
Contributors to GNU CC
Funding free software
Protect your freedom; fight Look and Feel
Compile C, C++, or Objective C
Installing GNU CC
Configurations supported by GNU CC
Compilation in a separate directory
Building and installing a cross-compiler
Steps of cross-compilation
Configuring a cross-compiler
Tools and libraries for a cross-compiler
libgcc.a
and cross-compilers
Cross-Compilers and Header Files
Actually building the cross-compiler
Installing GNU CC on the Sun
Iinstalling GNU CC on VMS
collect2
Standard header file directories
GNU CC command options
Option summary
Options controlling the kind of output
Compiling C programs
Options controlling C dialect
Options that control C++ dialect
Options to request or suppress warnings
Options for debugging your program or GNU CC
Options that control optimization
Options controlling the preprocessor
Passing options tothe assembler
Options for linking
Options for directory search
Specifying target machine and compiler version
Hardware models and configurations
AMD29K options
ARC options
ARM options
ARM Thumb options
Clipper options
Convex options
DEC Alpha options
Hitachi H8/300 options
Hitachi SH options
HPPA options
IBM PowerPC options
IBM RS/6000 options
IBM RT options
Intel
x
86 options
Intel 960 options
Matsushita MN10200 options
Matsushita MN10300 options
MIPS options
Mitsubishi D10V options
Mitsubishi M32R/D/X options
Motorola 68K options
Motorola 88K options
NEC V850 options
SPARC options
System V options
VAX options
Zilog options
Options for code generation conventions
The
offset-info
option
Environmental variables affecting GNU CC
Running the
protoize
program
Extensions to the C language family
Statements and declarations in expressions
Locally declared labels
Labels as values
Nested functions
Constructing function calls
Naming an expressions type
Referring to a type with
typeof
Generalized lvalues
Conditionals with omitted operands
Double-word integers
Complex numbers
Arrays of length zero
Arrays of variable length
Macros with variable number of arguments
Non-Lvalue arrays may have subscripts
Arithmetic on
void-
and
function-
pointers
Non-constant initializers
Constructor expressions
Labeled elements in initializers
Case ranges
Cast to a union yype
Declaring attributes of functions
Prototypes and old-style function definitions
Compiling functions for interrupt calls
C++ style comments
Dollar signs in identifier names
The
ESC
character in constants
Inquiring on alignment of types or variables
Specifying attributes of variables
Specifying attributes of types
An
inline
function is as fast as a macro
Assembler instructions with C expression operands
Constraints for
asm
operands
Simple constraints
Multiple alternative constraints
Constraint modifier characters
Constraints for particular machines
Controlling names used in assembler code
Variables in specified registers
Defining global register variables
Specifying registers for local variables
Alternate keywords
Incomplete
enum
types
Function namers as strings
Getting the return or frame address of a function
Extensions to the C++ language
Named return values in C++
Minimum and maximum operators in C++
goto
and destructors in GNU C++
Declarations and definitions in one header
Where's the template?
Type abstraction using signatures
gcov
: a test coverage program
Introduction to
gcov
Invoking
gcov
Using
gcov
with GCC optimization
Brief description of
gcov
data files
Known causes of trouble with GNU CC
Actual bugs we havent fixed yet
Installation problems
Cross-compiler problems
Interoperation
Problems compiling certain programs
Incomaptibilites of GNU CC
Fixed header files
Standard libraries
Disappointments and misunderstandings
Common misunderstanding with GNU C++
Declare and define static members
Temporaries may vanish before you expect
Caveats of using
protoize
Certain changes we don't want to make
Warning messages and error messages
Reporting bugs
Have you found a bug?
Where to report bugs
How to report bugs
Sending patches for GNU CC
How to get help with GNU CC
Using GNU CC on VMS
Include files and VMS
Global declarations and VMS
Other VMS issues
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