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Questions tagged [compiler-version]

22 questions
53
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4 answers

How are the __cplusplus directive defined in various compilers?

My compiler expands it to 199711L. What does that mean? I read that __cplusplus > 199711L signifies C++11. What are the possible expansions of this macro and what does it signify?
unj2
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How to select an older compiler in Microsoft Visual C++ 2019?

As written here, under "Project Settings" I should be able to specify the compiler to be used for the current project. However, I cannot find this menu entry in Visual Studio 2019. I have both Visual C++ 2019 and 2013, and would like to use the new…
Pietro
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3 answers

Compile with java 6 from java 8 JDK installed

I am required to compile my source code with Java 6 for university. I currently have Java 8 JDK installed on my PC (Linux). How do I compile in Java 6? p.s. I understand I wont be able to use any Java 7 or 8 features. p.p.s. I realize java 6 source…
hcp
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3 answers

Does C# compiler set version or platform constants?

Are there any predefined constants in the C# compiler to detect what version of the platform is being targeted? I can set a platform in Project options but how can I write single source for .NET 2 and .NET 3.5 ? Edit: I really want to write some…
H H
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Maven Project on Eclipse revert java compiler version (from 1.8 to 1.5) after update (alt f5)

as mentioned in the title I have this problem: if I try to edit the compiler version of my Maven Project (by right click on the proj -> Preferences -> Compiler...apply,ok ), after I press alt-f5 (update) i loose all the previous settings and if i…
Giulio Ambrogi
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1 answer

is static library with Objective C compatible with any version of XCode?

I am from c++ background and in c++ world, if I create an static library with any specific version of a compiler, then it is advisable to use same version of compiler for binary which will use this static library. Is this statement true for…
Sahil Doshi
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Crash when too many zero in weights argument in rq function from quantreg library

I am trying to do a quantile regression with the rq function of the 'quantreg' library. I have a problem because R completely crash when I add the 'weights' argument. I added a reproducible example here: library(quantreg) prof <- seq(1,…
A. Receveur
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2 answers

Unsupported major.minor version 52.0 - while using a lower version to compile. How is it still going bad?

I get this error message when I try to run my program: Exception in thread “main” java.lang.UnsupportedClassVersionError, Unsupported major.minor version 52.0 I am using Eclipse. I tried going to Windows -> Preferences -> Compiler and changing my…
JoshBreece
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3 answers

Technical considerations in dropping support for old compiler versions?

I work on a project that's distributed for free in both source and binary form, since many of our users need to compile it specifically for their system. The necessitates a degree of consideration in maintaining backwards compatibility with older…
Phil Miller
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Java - Make src/main/java compile with java 1.4 and src/test/java compile with 1.5

I have a project which must be compiled only with java 1.4. But I am planning to write some unit tests using mockito. I want a way to specify in pom so that src/main/java compiles with jdk 1.4 but src/test/java compiles with jdk 1.5. Is there a way…
Rishi
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Why does Eclipse complain that the project specifies compiler compliance 1.8 but a JRE 11 is used?

I set an Eclipse project compiler compliance to 1.8 because I want to generate jar files that can be executed in computers with JRE 8 installs. However, in my development computer I only have JRE 11 installed. I assumed this to be ok because I…
user118967
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Eclipse C++'s compiler version

I'm using the Eclipse IDE for C++ (Eclipse CDT). I want to install the SFML library but I can't find what version of GCC my Eclipse uses. Note: I have multiple GCC compilers (versions) installed on my computer. Or how can I set up a different…
GunPointer
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multiple gcc versions in makefile

In my Makefile I have CC=g++ When I do mgrep gcc, I have several versions listed like: gnu/gcc/4.2.1 gnu/gcc/4.7.3 etc I can do a module load to change my gcc version. Now suppose I want to use multiple versions simultaneously in different…
user2524261
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Choosing newer gcc version for upgrade

I develop C++ applications on CentOS 5.4 and we came across several inconvenient situations with gcc 4.1.2 like inability to debug local variables in class constructor which is a confirmed gcc bug (same problem with scoped variables). I'm…
jackhab
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Benchmarks of code generated by different g++ versions

I work on a runtime system for an application domain that is very performance sensitive. We go to a lot of effort to maintain backward compatibility with older compiler versions, including avoiding more recently-implemented language constructs, and…
Phil Miller
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