[Scons-users] error: stray '\' in program

[Dirk Baechle]

Hi Mahmood,

Am 19.04.2014 10:06, schrieb Mahmood Naderan:

> Hi

> While compiling a program with scons, I get these errors

>

>     build/opt/zsim_harness.cpp:315:5: error: stray '\' in program

>     build/opt/zsim_harness.cpp:315:5: error: stray '#' in program

>     build/opt/zsim_harness.cpp: In function 'int main(int, char**)':

>     build/opt/zsim_harness.cpp:310:24: error: 'ZSIM_BUILDVERSION' was 

> not declared in this  scope

>     build/opt/zsim_harness.cpp:315:5: error: expected ')' before 'n'

>     build/opt/zsim_harness.cpp:315:5: error: 'ZSIM_BUILDVERSION' was 

> not declared in this scope

>

> The line that has such bug contains

>

>     info("Starting zsim, built %s (rev %s)", ZSIM_BUILDDATE, 

> ZSIM_BUILDVERSION);

>

> `ZSIM_BUILDVERSION` is a macro which is defined in SConstruct

>

>     if os.path.exists(".git"):

>         env.Command(versionFile, allSrcs + [".git/index", "SConstruct"],

>             'echo "#define ZSIM_BUILDDATE \\""`date`\\""\\\\n#define 

> ZSIM_BUILDVERSION \\""`python misc/gitver.py`\\""" >>' + versionFile)

>     else:

>         env.Command(versionFile, allSrcs + ["SConstruct"],

>             'echo "#define ZSIM_BUILDDATE \\""`date`\\""\\\\n#define 

> ZSIM_BUILDVERSION \\""no git repo\\""" >>' + versionFile)

>

> The generated output looks like

>

>

>     #define ZSIM_BUILDDATE "Sat Apr 19 12:32:10 CET 2014"\n#define 

> ZSIM_BUILDVERSION "master:10:a8c417b:2fc 2+ 1- ba884341"

>

>

> The scons version is 2.1.0

> Any idea to fix that?

>


yes, you have to change your "echo" command, such that the output into 
the versionFile gets split into two lines with a single #define each. 
Try out the "echo" line in your shell first, to make sure it works. Then 
copy it back to the Command() call in your SConstruct.

Best regards,

Dirk

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