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Cmake check string empty

WebIt's important to know how CMake distinguishes between lists and plain strings. When you write: set (VAR "a b c") you create a string with the value "a b c". But when you write this line without quotes: set (VAR a b c) You create a list of three items instead: "a", "b" and "c". Non-list variables are actually lists too (of a single element). WebMay 10, 2024 · 3. In the file CMakeCache.txt in the folder from which I ran cmake, there was a variable called GIT_EXECUTABLE:FILEPATH which for some reason pointed to the wrong path (I had Git installed but not in that folder). So I deleted CMakeCache.txt (according to Tsyvarev's suggestion) and re-ran cmake, and I didn't have the same …

CMake/CMakeLists.txt at master · Kitware/CMake · GitHub

WebOct 25, 2011 · Which can be considered expected behaviour if an empty variable is not the empty string, but both are "NOT test". Something like QString::null() vs. QString::empty(). You just have to know about it's suptle differences. Eike how much water dishwasher use https://traffic-sc.com

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WebOct 25, 2011 · [CMake] Checking for empty string Rolf Eike Beer eike at sf-mail.de Tue Oct 25 06:31:42 EDT 2011. Previous message: [CMake] Checking for empty string Next message: [CMake] Checking for empty string Messages sorted by: > WebSep 21, 2016 · What I would like to do is the telling cmake that when reading the value of a variable it should always check if the variable is defined and fail if it isn't. For compatibility there must be away to enable this option only for the current cmake-file, otherwise it won't be possible to include existing cmake-file without breaking them. – WebWrite a string representation of the current date and/or time to the . If the command is unable to obtain a timestamp, the will be set to the empty … how much water did the aqueducts carry

CMake/CMakeLists.txt at master · Kitware/CMake · GitHub

Category:cmake-generator-expressions(7) — CMake 3.26.3 Documentation

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Cmake check string empty

[CMake] Checking for empty string

WebJun 28, 2024 · Looks like ENABLE_LIBCXX interpreted as string, not as a variable name (even being unquoted)… ??? WebIf you were to run cmake -L or cmake -LH, you would see all the cached variables and descriptions. The normal set command only sets the cached variable if it is not already set - this allows you to override cached variables with -D. Try: cmake -DMY_CACHE_VAR="command line" -P cache.cmake. You can use FORCE to set a …

Cmake check string empty

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WebOct 25, 2024 · When part of a project’s CMakeLists.txt file, the above would print the following: Note how using set (MyVar) unset the non-cache variable and re-exposed the … WebThere are two types of generators: single-configurations and multi-configurations. Single configurations. Make-like generators: Unix Makefiles, NMake Makefiles, MinGW Makefiles, ... You set the configuration type in the generate step:

WebDec 24, 2024 · 3. Inspecting the Default Build Types. This section will focus on inspecting build types and their corresponding compiler flags. The CMake BUILD_TYPE variable specifies which build type configuration is … WebMar 18, 2016 · For more details see What's the CMake syntax to set and use variables? and CMake compare to empty string with STREQUAL failed. – Florian Mar 18, 2016 at 15:31

WebRe: [cmake-developers] C++11/C++14 doesn't work in check_cxx_source_compiles. Roman Wüger Thu, 24 Nov 2016 10:43:56 -0800 WebFeb 7, 2011 · You ran into a rather annoying "it's not a bug, it's a feature" behavior of CMake. As explained in the documentation of the if command:. The if command was …

WebUse the COMPARE keyword to select the comparison method for sorting. The option should be one of:. STRING: Sorts a list of strings alphabetically.This is the default behavior if the COMPARE option is not given.. FILE_BASENAME: Sorts a list of pathnames of files by their basenames.. NATURAL: Sorts a list of strings using natural order (see …

WebAnd then this still tells me "test" is not the empty string. Which can be considered expected behaviour if an empty variable is not the empty string, but both are "NOT test". … how much water dailyWebThe text was updated successfully, but these errors were encountered: men\u0027s snap off pantsWebNov 30, 2024 · I would like to be able to just define a cmake variable without giving it a value, similar to how the C preprocessor can define variables and check if the variable is defined. It seems that I have to use -D variable_name= instead of just -D variable_name ? It also seems that If I only check if the variable is defined, cmake-3.17.2 posts a warning … men\u0027s snap front western canyon shirt