GENASSYM.CF(5) BSD File Formats Manual GENASSYM.CF(5)NAME
genassym.cf -- assym.h definition file
DESCRIPTION
The genassym.cf file is used by genassym(1) to make constant C expressions known to assembler source files. Lines starting with '#' are dis-
carded by genassym(1). Lines starting with include, ifdef, if, else or endif are preceded with '#' and passed otherwise unmodified to the C
compiler. Lines starting with quote get passed on with the quote command removed. The first word after a define command is taken as a CPP
identifier and the rest of the line has to be a constant C expression. The output of genassym(1) will assign the numerical value of this
expression to the CPP identifier. export X is a shorthand for define X X. struct X remembers X for the member command and does a define
X_SIZEOF sizeof(X). member X does a define X offsetof(<last struct>, X). config <ctype> <gcc constraint> <asm print modifier> can be used
to customize the output of genassym(1). When producing C output, values are casted to <ctype> (default: long) before they get handed to
printf. <gcc constraint> (default: n) is the constraint used in the __asm__ statements. <asm print modifier> (default: empty) can be used to
force gcc to output operands in different ways then normal. The "a" modifier e.g. stops gcc from emitting immediate prefixes in front of con-
stants for the i386 and m68k port.
FILES
/usr/src/sys/arch/${MACHINE}/${MACHINE}/genassym.cf
SEE ALSO genassym(1)HISTORY
The genassym.cf file appeared in NetBSD 1.3.
BSD August 18, 2005 BSD
Check Out this Related Man Page
BUILDER-CC(1) Debian GNU/Linux BUILDER-CC(1)NAME
builder-cc - gcc wrapper to facilitate pentium-optimizations
SYNOPSIS
export DEBIAN_BUILDARCH=architecture
export DEBIAN_BUILDGCCVER=gcc-version
gcc ...
DESCRIPTION
The builder-cc wrapper is normally used by calling gcc as usual. If the environment variable DEBIAN_BUILDARCH is not set, builder-cc does
nothing, and the real gcc is invoked with the specified arguments.
When the DEBIAN_BUILDARCH environment variable is set, builder-cc invokes gcc with the specified arguments, plus -mcpu=DEBIAN_BUILDARCH
-march=DEBIAN_BUILDARCH This has the effect of telling gcc to use architecture-specific optimizations without changing the command line.
This is particularly useful for package builds.
If DEBIAN_BUILDGCCVER is not set, builder-cc calls gcc.real. If DEBIAN_BUILDGCCVER is set, builder-cc calls gcc-DEBIAN_BUILDGCCVER
instead.
ENVIRONMENT
DEBIAN_BUILDARCH
If set, the architecture to compile for. Useful values are pentium or pentiumpro.
DEBIAN_BUILDGCCVER
If set, the version of gcc to be invoked. Useful values are 3.0 or 2.95.
NOTES
The real gcc is renamed gcc.real, and a diversion is registered with dpkg-divert(1). Thus builder-cc's idea of the default gcc is dictated
by whatever package installed /usr/bin/gcc.
SEE ALSO gcc(1)Debian Project 2002-03-02 BUILDER-CC(1)
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