[CMake] Case-insensitive string compare

[David Cole]

You can't. You have to use TOLOWER and add an extra variable if you can't
mutate your existing variable value...

set( file "Makefile" )
string( TOLOWER "${file}" file_lower )
if( file_lower STREQUAL "makefile" )
...


On Thu, Jun 7, 2012 at 6:37 PM, Robert Dailey <rcdailey.lists at gmail.com>wrote:

> How can I perform a case-insensitive string comparison? I basically need
> to do this:
>
> set( file "Makefile" )
> if( file STREQUAL "makefile" )
>    ....
> endif()
>
> The above condition should PASS, since I want to ignore case, but as of
> right now it seems STREQUAL is case-sensitive. I need to do this without
> mutating either operand (i.e. i can't use string( TOLOWER ) )
>
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