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- Dictionarymake/meɪk/
verb
- 1. form (something) by putting parts together or combining substances; create: "my grandmother made a dress for me" Similar Opposite
- 2. cause (something) to exist or come about; bring about: "the drips had made a pool on the floor" Similar
noun
- 1. the manufacturer or trade name of a product: "the make, model, and year of his car" Similar
- 2. the making of electrical contact.
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I usually pass macro definitions from "make command line" to a "makefile" using the option: -Dname=value. The definition is accessible inside the makefile. I also pass macro definitions from the "makefile" to the "source code" using the similar compiler option: -Dname=value (supported in many compilers).
May 13, 2010 · From command line - make can take variable assignments as part of his command line, mingled with targets: make target FOO=bar. But then all assignments to FOO variable within the makefile will be ignored unless you use the override directive in assignment. (The effect is the same as with -e option for environment variables).
Sep 28, 2016 · If you modify Makefile.in to always define them, then you are making the assumption that your code is only being built on machines where those features are available. If you make that assumption, you should still add checks to configure.ac to confirm it, and have the configure script fail if the dependencies are not met.
Nov 13, 2018 · Just add -Dxxx=yy on the command line (xxx the name of the macro and yy the replacement, or just -Dxxx if there is no value). It's not a Makefile command, it's part of the compiler command line options. It means, xxx is the name and yy is the value. For example,#define xxx (yy) is -Dxxx=yy.
Dec 12, 2014 · You can use the add_definitions method to pass defines as compiler flags: E.g. somewhere in your projects cmakelists.txt: add_definitions( -DUSE_NEW_CACHE ) CMake will make sure the -D prefix is converted to the right flag for your compiler (/D for msvc and -D for gcc). Alternatively, check out configure_file.
Apr 11, 2020 · @CraigRinger -- just looking at this. If you do an ifeq ($1,) inside of the macro, the $1 is not expanded until the $(call is expanded, and thus it is valid to use the ifeq inside of the define (though I wouldn't recommend that practice)...
Feb 1, 2019 · Assume that the environment variable GET_WORD is defined as the pathname of a directory which contains directories "include" and "lib" containing getWord.h and libget.a. My directory for my code contains: pic. And my Makefile is: gcc -g -o wordpairs Main.c getWord.o crc64.o sTools.o hashingTools.o $(DIR)/lib/libget.a.
Jan 20, 2010 · For GCC use -D define. OP commented below that he wants to pass the define into make and have it pass it on to GCC. Make does not allow this. Typically you just add another make rule to add defines. For instance 'make release' vs 'make debug'. As the makefile creator you make the two rules and have the defines right in the make file.
48. If by configure release/build, you mean you only need one config per makefile, then it is simply a matter and decoupling CC and CFLAGS: CFLAGS=-DDEBUG. #CFLAGS=-O2 -DNDEBUG. CC=g++ -g3 -gdwarf2 $(CFLAGS) Depending on whether you can use gnu makefile, you can use conditional to make this a bit fancier, and control it from the command line ...
Jul 12, 2011 · 12. You can create an empty two dimensional list by nesting two or more square bracing or third bracket ([], separated by comma) with a square bracing, just like below: Matrix = [ [], []] Now suppose you want to append 1 to Matrix [0] [0] then you type: Matrix [0].append (1) Now, type Matrix and hit Enter.
