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Thread: Listing the gcc library search path

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hello,

trying figure way make gcc list directories in searches libraries (by default no -ldir option supplied) - called link path or library search path.

want similar way gcc searches include directories:

`gcc -print-prog-name=cc1` -v

or

cpp -v

since include more of preprocessor stuff.

best use gcc -print-search-dirs option although obtain listing of appears lib directories, confused:
1) lists, among other things stuff like:
/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.5.2/../../../../../x86_64-linux-gnu/lib/
don't know how interpret or means. here full output:
code:
install: /usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.5.2/  programs: =/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.5.2/:/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.5.2/:/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/:/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.5.2/:/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/:/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.5.2/../../../../../x86_64-linux-gnu/bin/x86_64-linux-gnu/4.5.2/:/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.5.2/../../../../../x86_64-linux-gnu/bin/  libraries: =/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.5.2/:/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.5.2/../../../../../x86_64-linux-gnu/lib/x86_64-linux-gnu/4.5.2/:/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.5.2/../../../../../x86_64-linux-gnu/lib/:/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.5.2/../../../x86_64-linux-gnu/4.5.2/:/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.5.2/../../../:/lib/x86_64-linux-gnu/4.5.2/:/lib/:/usr/lib/x86_64-linux-gnu/4.5.2/:/usr/lib/:/usr/lib/x86_64-linux-gnu/x86_64-linux-gnu/4.5.2/:/usr/lib/x86_64-linux-gnu/  pts@hal9000:/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.5.2$ gcc -print-search-dirs
2) shouldn't /usr/local/lib present in output given -print-search-dirs option?

i've searched through ld options couldn't find useful.

quote posted peterp24 view post
hello,

best use gcc -print-search-dirs option although obtain listing of appears lib directories, confused:
1) lists, among other things stuff like:
/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.5.2/../../../../../x86_64-linux-gnu/lib/
don't know how interpret or means. here full output:
code:
install: /usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.5.2/  programs: =/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.5.2/:/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.5.2/:/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/:/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.5.2/:/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/:/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.5.2/../../../../../x86_64-linux-gnu/bin/x86_64-linux-gnu/4.5.2/:/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.5.2/../../../../../x86_64-linux-gnu/bin/  libraries: =/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.5.2/:/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.5.2/../../../../../x86_64-linux-gnu/lib/x86_64-linux-gnu/4.5.2/:/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.5.2/../../../../../x86_64-linux-gnu/lib/:/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.5.2/../../../x86_64-linux-gnu/4.5.2/:/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.5.2/../../../:/lib/x86_64-linux-gnu/4.5.2/:/lib/:/usr/lib/x86_64-linux-gnu/4.5.2/:/usr/lib/:/usr/lib/x86_64-linux-gnu/x86_64-linux-gnu/4.5.2/:/usr/lib/x86_64-linux-gnu/  pts@hal9000:/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.5.2$ gcc -print-search-dirs
they displayed bit weird, use readlink -m canonicalize them.
in there usual paths /lib/, /usr/lib , /usr/lib/<arch-triplet>
rest gcc internal paths own stuff

2) shouldn't /usr/local/lib present in output given -print-search-dirs option?
this never case in default settings
/usr/local place install stuff system not know default. e.g. non package managed stuff.


Forum The Ubuntu Forum Community Ubuntu Specialised Support Development & Programming Programming Talk [SOLVED] Listing the gcc library search path


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