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Questions tagged [linker-flags]

Linker flags are arguments passed to a linker to specify options, for instance to link the code with a certain library, etc

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Appending to CMAKE_C_FLAGS

I'm using CMake for a project that comes in two versions, one of which requires -lglapi and the other does not. So far the lines we used look like that: SET(CMAKE_C_FLAGS "-O3 -xSSE3 -restrict -lpthread -lX11 -ldrm") SET(CMAKE_CXX_FLAGS "-O3…
TobiSF
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Xcode how to exclude FOLDERS from compilation?

I saw this and answers in stackO, but didn't find how to exclude folders. I have 3 folders with a lot of .h , .m and .mm and i need to exclude them temporary, but not to remove references. How can i do that?
Nike Kov
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Other Linker Flags missing in Xcode Build Settings

As the title reads, I go into my Build Settings for my app, and search for "Other Linker Flags", nothing is returner. If I even search simply "Other", there is no "Other Linker Flags" section. I've seen other instances of this happening online, but…
B.A.S. Apps
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What are gcc linker map files used for?

What are the ".map" files generated by gcc/g++ linker option "-Map" used for ? And how to read them ?
Monku
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Setting LD_LIBRARY_PATH from inside R

I have installed an R package but, in order to load it via library, the LD_LIBRARY_PATH needs to be set to the path where one of the libraries, called libhts.so.2 is located. The loading only works when editing the LD_LIBRARY_PATH before going into…
kgui
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How does the -u option for ld work and when is it useful?

I'm copy-pasting a section from the man of ld :- -u symbol --undefined=symbol Force symbol to be entered in the output file as an undefined symbol. Doing this may,for example, trigger linking of additional modules from standard libraries. `-u'…
owagh
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How to make CMake append linker flags instead of prepending them?

CMake seems to prepend linker flags at the front of a GCC compilation command, instead of appending it at the end. How to make CMake append linker flags? Here is a simple example to reproduce the problem. Consider this C++ code that uses…
Ashwin Nanjappa
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How to wrap functions with the `--wrap` option correctly?

The man page of gcc 6.3 says: --wrap=symbol Use a wrapper function for symbol. Any undefined reference to symbol will be resolved to "__wrap_symbol". Any undefined reference to "__real_symbol" will be resolved to…
eDeviser
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Difference between Build Phases -> Link Binary with Libraries or Build Settings -> Linker Flags

What's the difference between Build Phases -> Link Binary with Libraries or Build Settings -> Linker Flags? The former does not seem to allow you to specify between Debug vs Release, and the frameworks specified within it also don't seem to match up…
Boon
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CMAKE for /DEF and /NODEFAULTLIB

How do I add linker-flags "DEF" and "NODEFAULTLIB" to vs2012 project via CMAKE?
etwas77
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9
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2 answers

How to link the library with "-force_load" in Xcode?

My other libraries not allow me to set -ObjC or all_load flags. So I need to use -force_load to link my library. I have "GoogleOpenSource.framework" & "GooglePlus.framework" under my project, so how can I map those correctly to work. I have set…
RJ168
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Can you compile a shared object to prefer local symbols even if it's being loaded by a program compiled with -rdynamic?

I am building a shared library in C that is dynamically loaded by a program that I do not have source access to. The target platform is a 64-bit Linux platform and we're using gcc to build. I was able to build a reproduction of the issue in ~100…
TheGeneral
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Gcc hide visibility of symbols coming from included static library

I have: a shared library, say libShared.so, which contains a class Bar, with a method int Bar::do(int d) const a static library, say libStatic.a, which contains a class Foo, with a method int Foo::act(int a) const. The code of Bar is something…
Mauro
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CMake - How to avoid CMAKE_CXX_FLAGS in linker command-line

I'm having a problem with cmake / gcc / Linux. No matter what I try, I cannot get rid of CMAKE_CXX_FLAGS on my linker line. CMake keeps passing them when invoking g++ in link mode. I have -fopenmp in my CMAKE_CXX_FLAGS and it must not be present on…
Alexander
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Rationale and intended use behind 'library-path', 'rpath', and 'rpath-link'

I noticed many people, including me, do not accurately know the rationale and intended use behind the linker's search paths: 'library-path', 'rpath', and 'rpath-link'. Could someody explain this to us? Context After all my reading I am inclined to…
Bart
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