Shell Assign a makefile variable value to a bash command result
3 Answers Sorted by 102 You will need to double escape the character within the shell command HEADER shell for file in find name h do echo file done
How do I use shell variables in Makefile actions , Bash How do I use shell variables in Makefile actions Stack Overflow I have the following in a Makefile for the purpose of recreating my database including destroying it if necessary PHONY rebuilddb exists psql postgres tuples only no Stack Overflow About Products For Teams Stack OverflowPublic ions answers
Put command result in variable within makefile target
1 Answer Sorted by 4 signs are notorious in makefiles for causing trouble because they are interpreted as variable markers Here just doubling the one in the first line should do the trick AppName html Also have a look at other posts to learn more about makefile escaping issues Share Improve this answer Follow edited May 23 2017 at 12 39
Setting GNU make , To set a variable from the makefile write a line starting with the variable name followed by one of the assignment operators or Whatever follows the operator and any initial whitespace on the line becomes the value For example defines a variable named objects to contain the value main o
Shell Makefile commands with external args and internal variables
Shell Makefile commands with external args and internal variables , Makefile commands with external args and internal variables Ask ion Asked 4 years 5 months ago Modified 4 years 5 months ago Viewed 4k times 3 In a Makefile target I have a list of files that I want to split into x parts and work only with one part y then pass those file names as argument to a test runner
Make from Makefile Index
Shell Function GNU make
Shell Function GNU make It is possible to create a variable expansion loop consider this makefile export HI shell echo hi all echo HI When make wants to run the recipe it must add the variable HI to the environment to do so it must be expanded
Array Getting Output Of Shell Command In Bash Array YouTube
The processing of lines that set the variable SHELL in Makefiles is different on MS DOS The stock shell command is ridiculously limited in its functionality and many users of make tend to install a replacement shell Choosing the Shell GNU make . With GNU Make you can use shell and evalue in store run and assign output from autocratic comment line invocations The difference between the instance below and who which use is the assignment happens once when information is encountered and for see Recursively expanded variables set with are a bit more lazy references to other variables remain until one variably itself is Basically the first line creates a file called supercell in and the second creates a variable called VAR that will be used in the subsequent lines The above doesn t assign a value to the variable and I m guessing this is due to the priority of the execution of lines I would appreciate knowing a way around this problem
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