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Cmake check string empty

WebAn empty list is an empty variable, and evaluates to FALSE. So you can use. Yes. If you RTFM about the IF () command you see that you can either use. the variable name MYLIST or the variable value $ {MYLIST}. AFAIK for this. kind of test you would need to put the latter in quotes, however. ... WebNov 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 …

CMake Error: CMAKE_C_COMPILER not set, after ... - CSDN博客

WebThe above would expand to OLD_COMPILER if the CMAKE_CXX_COMPILER_VERSION is less than 4.2.0.. Whitespace And Quoting ¶. Generator expressions are typically parsed after command arguments. If a generator expression contains spaces, new lines, semicolons or other characters that may be interpreted as command argument … 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 … instant pot new potato soup https://mycannabistrainer.com

CMake: How to Inspect and Configure the Compiler

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 … WebThe text was updated successfully, but these errors were encountered: 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. – instant pot new york cheesecake 17

[CMake] Checking for empty list - narkive

Category:if — CMake 3.26.3 Documentation

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Cmake check string empty

CMake compare to empty string with STREQUAL failed

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 … WebJun 28, 2024 · Looks like ENABLE_LIBCXX interpreted as string, not as a variable name (even being unquoted)… ???

Cmake check string empty

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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". … 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: >

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 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

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 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:

WebA tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior.

WebAn empty list is an empty variable, and evaluates to FALSE. So you can use. Yes. If you RTFM about the IF () command you see that you can either use. the variable name … instant pot new lidWebDec 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 selected at build time, and is empty by default. When a build type is not selected for a project, the compiler will only receive flags … jiro horikoshi and his wifeWebA tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. jiro family my hero academiaWebMay 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 … instant pot nickel freejiro heightWebApr 10, 2024 · CMAKE_BUILD_TYPE seems to evaluate to empty string even though I call init_all / init.cmd with the right params. Perhaps something is out of ... I actually wasn't able to get the repo building anymore using the instructions in the README... jirokichi the ratWebIt'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). jiro is worth it