clang编译优化,为什么不用clang编译

I keep getting

LD : librarynotfoundfor-lchaiscript _ stdlib-5.3.1.so

clang : error : linkercommandfailedwithexitcode1(use-vtoseeinvocation )。

When trying to link to a .so

The command I'm using is。

clang main.CPP-ofoo-l.//- lchaiscript _ stdlib-5.3.1.so

What am I doing wrong？

libchaiscript _ stdlib-5.3.1.soisinthesamedirectoryasmain.cppithoughtthe-l./wouldaddthe.sothelibraryseachphpthe

解决方案

yes the-loptionaddsthesearchpath，buttheLinkeraddsthe.so(or.a ) suffixItself ) justlikeitaddsthelibprefix ).soyouonlon

youcanalsoskiptheaddingofthepath，andlinkdirectlywiththefile :

clang main.CPP-ofoolibchaiscript _ stdlib-5.3.1.so

notethattheruntimelinker (whichiswhatactuallyloadsthesharedlibrarieswhenyourunyourprogram )。 mightnotbeabletofindthelibraryifit ' snotintheruntimelinkerspath.youcantellthe (compile time ) linkertoadddapathtothesheshared -。

clang main.CPP-ofoolibchaiscript _ stdlib-5.3.1.so-wl，-rpath，/absolute/path

the-wloptiontellsthecompilerfront-endtopassanoptiontothelinker，andthelinkeroption-rpathaddsapathtotheruntime-linker shelinker