I cannot solve this problem by all the methods I know. I don't know why. Now I just reinstall llvm and clang, and it wokrs. Thanks for your help!
-------------------------------------------- Qiuping Yi Institute Of Software Chinese Academy of Sciences On Sat, Jan 16, 2016 at 1:39 PM, Matthew Brush via cfe-users < cfe-users@lists.llvm.org> wrote: > On 2016-01-15 8:36 PM, Qiuping Yi via cfe-users wrote: > >> I use ubuntu, >> >> > I don't think Clang ever could find proper includes here. See the bugs > like: > > https://bugs.launchpad.net/ubuntu/+source/llvm-defaults/+bug/1242300 > > It works fine, it just doesn't know where to find the correct stdlib > headers, so you have to use an -I argument to tell it where your stdlib > headers are (arch-specific on Debians/Ubuntus/etc). > > Cheers, > Matthew Brush > > $ uname -a >> Linux novice 3.11.0-15-generic #25~precise1-Ubuntu SMP Thu Jan 30 17:39:31 >> UTC 2014 x86_64 x86_64 x86_64 GNU/Linux >> >> and this is the output of 'clang -v -c' >> >> $ clang -v -c test.c >> clang version 3.6.0 (tags/RELEASE_360/final) >> Target: x86_64-unknown-linux-gnu >> Thread model: posix >> "/home/novice/installed/llvm-3.6.0.src/Release+Asserts/bin/clang" -cc1 >> -triple x86_64-unknown-linux-gnu -emit-obj -mrelax-all -disable-free >> -main-file-name t1.c -mrelocation-model static -mthread-model posix >> -mdisable-fp-elim -fmath-errno -masm-verbose -mconstructor-aliases >> -munwind-tables -target-cpu x86-64 -v -dwarf-column-info -coverage-file >> /home/novice/installed/llvm-3.6.0.src/Release+Asserts/bin/t1.c >> -resource-dir >> >> "/home/novice/installed/llvm-3.6.0.src/Release+Asserts/bin/\${CLANG_RESOURCE_DIR}" >> -isysroot "\${DEFAULT_SYSROOT}" -c-isystem /home/novice/.install/include >> -cxx-isystem /home/novice/.install/include -internal-isystem >> "\${DEFAULT_SYSROOT}/usr/local/include" -internal-isystem >> >> "/home/novice/installed/llvm-3.6.0.src/Release+Asserts/bin/\${CLANG_RESOURCE_DIR}/include" >> -internal-externc-isystem "\${C_INCLUDE_DIRS}" -fdebug-compilation-dir >> /home/novice/installed/llvm-3.6.0.src/Release+Asserts/bin -ferror-limit 19 >> -fmessage-length 205 -mstackrealign -fobjc-runtime=gcc >> -fdiagnostics-show-option -fcolor-diagnostics -o t1.o -x c >> /home/novice/installed/llvm-3.2.src/examples/test/t1.c >> clang -cc1 version 3.6.0 based upon ${BACKEND_PACKAGE_STRING} default >> target x86_64-unknown-linux-gnu >> ignoring nonexistent directory "/home/novice/.install/include" >> ignoring nonexistent directory "/home/novice/.install/include" >> ignoring nonexistent directory "${DEFAULT_SYSROOT}/usr/local/include" >> ignoring nonexistent directory >> >> "/home/novice/installed/llvm-3.6.0.src/Release+Asserts/bin/${CLANG_RESOURCE_DIR}/include" >> ignoring nonexistent directory "${C_INCLUDE_DIRS}" >> #include "..." search starts here: >> End of search list. >> /home/novice/installed/llvm-3.2.src/examples/test/t1.c:2:10: fatal error: >> 'stdio.h' file not found >> #include <stdio.h> >> ^ >> 1 error generated. >> >> I put clang in llvm-3.6.0.src/toos/... >> >> >> -------------------------------------------- >> Qiuping Yi >> Institute Of Software >> Chinese Academy of Sciences >> >> On Sat, Jan 16, 2016 at 12:56 AM, Hans Wennborg <h...@chromium.org> >> wrote: >> >> On Fri, Jan 15, 2016 at 7:06 AM, Qiuping Yi via cfe-users >>> <cfe-users@lists.llvm.org> wrote: >>> >>>> Hello All, >>>> >>>> I am a beginner of clang. I installed clang 3.6 with llvm 3.6, but I >>>> >>> found >>> >>>> my clang cannot work as expected. >>>> For the next simple program test.c: >>>> >>>> #include <stdio.h> >>>> int main() {return 0;} >>>> >>>> $ clang -c test.c >>>> >>>> I got the next information: >>>> >>>> fatal error: 'stdio.h' file not found >>>> #include <stdio.h> >>>> ^ >>>> 1 error generated. >>>> >>>> what's wrong? I found other standard headers are also cannot be found. >>>> Any suggestion is OK. Thank you in advance. >>>> >>> >>> What operating system are you using? >>> >>> What's the output of "clang -v -c test.c"? >>> >>> From where did you install clang? >>> >>> >> >> >> _______________________________________________ >> cfe-users mailing list >> cfe-users@lists.llvm.org >> http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-users >> >> > _______________________________________________ > cfe-users mailing list > cfe-users@lists.llvm.org > http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-users >
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