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makefile conditional target

makefile if not equal

makefile if function

makefile conditional rules

makefile $(if

makefile @if

makefile if file exists

makefile if defined

2 Jun 2011 How can you test 'dynamic' conditions in a gnu Makefile? Then, inside our makefile, we can test for this dynamic condition (whether the in your Makefile is setting a variable on a per-target basis (target-specific variables).
14 Jun 2011 You're just missing some parentheses: ifeq ($(TOOL), toolA) P.S. You can make the conditional a little tighter (and remove a little redundancy):
Conditionals control what make actually "sees" in the makefile, so they cannot be used to The ifeq directive begins the conditional, and specifies the condition.
12 Apr 2013 There are several problems here, so I'll start with my usual high-level advice: Start small and simple, add complexity a little at a time, test at
Most of the makefile uses make syntax (see Writing Makefiles). recipe line may be attached to the target-and-prerequisites line with a semicolon in between. A conditional expression ( ifdef , ifeq , etc. see Syntax of Conditionals) in a “rule
The ifeq directive begins the conditional, and specifies the condition. The lines of the makefile following the ifeq are obeyed if the two arguments match;
Alternative syntax: same line. some_binary: ; touch some_binary. Intro gives us multilines. some_binary: touch some_binary. Intro Will call other.txt target if it is
21 May 2013 You cannot mix make conditionals inside command rules. Make conditionals are like preprocessor statements in C or C++; they are handled as
Hey, I'm creating a Makefile, and in one of my targets, i need an IF statement to determine if two things are equal but, I can't get it to run.
I have checked the man files about if statements, my ubuntu programming There are times when embedding shell-script within a Makefile is necessary; however in the case you presented, it is not. . target : prerequisite

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August 2017