5.17 a.m. I teach Word Linux

1. variables in an implicit rule

the variables used in implicit rules are divided into two types: one is command-related, such as "CC", andone is parameter-related, such as "CFLAGS".

　　1) variables associated with the command

Variable

Meaning

Ar

The library opens the package program. The default command is "AR"

As

Assembly Language Compiler program. The default command is "as "

Cc

C language Compiler program. The default command is "CC"

CXX

C + + language compiler program. The default command is "g++"

CO

from the RCS file expands the file program. The default command is "CO"

Cpp

C program's preprocessor (output is standard output device). The default command is "$ (CC)-E"

Fc

Fortran and ratfor compilers and pre-processing programs. The default command is "f77"

GET

from SCCS file extension files. The default command is "get"

LEX

Lex Method Parser Program (for C or ratfor). The default command is "Lex"

Pc

Pascal language Compiler program. The default command is "PC"

Yacc

YACC Grammar Analyzer (for C programs). The default command is "YACC"

Yaccr

YACC Grammar Analyzer (for ratfor programs). The default command is "Yacc-r"

Makeinfo

Conversion Texinfo source file (. Texi) to info file program. The default command is "Makeinfo"

TEX

from Tex source file is a program for creating Tex-DVI files. The default command is "Tex"

WEAVE

Conversions Web- to - TeX programs. The default command is "weave"

Texi2dvi

from Texinfo the source file to create the TeX DVI file program. The default command is "Texi2dvi"

Cweave

Conversions C Web- to - TeX program. The default command is "Cweave"

Tangle

Conversion Web to Pascal Language Program, the default command is "Tangle"

Ctangle

Conversion C Web to C. The default command is "Ctangle"

Rm

The Delete File command. The default command is "Rm-f"

5.17 a.m. I teach Word Linux