Re: [CMake] Check if a variable contains valid number

2016-03-29 Thread Rolf Eike Beer
Am 2016-03-29 09:03, schrieb Lloyd: Hi, How can I check if the user supplied value is a valid positive integer or not? I have tried the following, but it is not entering the if condition, what might be wrong? Is there a better solution? SET(MY_NUMBER "100" CACHE STRING " Please enter the

[CMake] Check if a variable contains valid number

2016-03-29 Thread Lloyd
Hi, How can I check if the user supplied value is a valid positive integer or not? I have tried the following, but it is not entering the if condition, what might be wrong? Is there a better solution? SET(MY_NUMBER "100" CACHE STRING " Please enter the number") string(REGEX MATCH