search for: liblto_plugin

Hello LLVM, When building LLVM/Clang (debug build), linking takes too long. I notice that LTO is enabled now and guess that's to blame. Is there a CMAKE config option to disable LTO linking? I can't seem to find anything. Thanks, -steve

Hi Tomas, > On 4/23/19 2:59 PM, Thomas K?nig wrote: >> Hi, >> >> there can be an issue with recent gcc where the system-installed "ar" >> and "ranlib" commands cannot handle LTO binaries.? On compilation, this >> manifests itself with error messages claiming that they need extra >> plugins. > Thanks for the report. What was the

Adding a couple of lld folks. I helped Shishir debug this, the link line looked like: /home/sjessu/build/bin/clang -O0 -flto -o jcstest jcstest.o ./.libs/libjpeg.a and the issue was that libjpeg.a was created with the system ar instead of llvm-ar. It worked when recreating libjpeg.a with llvm-ar. I noticed that the lld code has some special handling for the case when there is a missing

...6.3.1/:/usr/lib/gcc/arm-none-eabi/6.3.1/../../../arm-none-eabi/lib/ > COLLECT_GCC_OPTIONS='-v' '-nostartfiles' '-Ttext' '0x8000' '-static' '-o' 'hello' > /usr/lib/gcc/arm-none-eabi/6.3.1/collect2 -plugin /usr/lib/gcc/arm-none-eabi/6.3.1/liblto_plugin.so -plugin-opt=/usr/lib/gcc/arm-none-eabi/6.3.1/lto-wrapper -plugin-opt=-fresolution=/tmp/cceNgJBK.res -plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lc -Bstatic -X -o hello -L/usr/lib/gcc/arm-none-eabi/6.3.1 -L/usr/lib/gcc/arm-none-eabi/6.3.1/../../../arm-none-eabi/lib start.o barehell...

...6.3.1/:/usr/lib/gcc/arm-none-eabi/6.3.1/../../../arm-none-eabi/lib/ > COLLECT_GCC_OPTIONS='-v' '-nostartfiles' '-Ttext' '0x8000' '-static' '-o' 'hello' > /usr/lib/gcc/arm-none-eabi/6.3.1/collect2 -plugin /usr/lib/gcc/arm-none-eabi/6.3.1/liblto_plugin.so -plugin-opt=/usr/lib/gcc/arm-none-eabi/6.3.1/lto-wrapper -plugin-opt=-fresolution=/tmp/cceNgJBK.res -plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lc -Bstatic -X -o hello -L/usr/lib/gcc/arm-none-eabi/6.3.1 -L/usr/lib/gcc/arm-none-eabi/6.3.1/../../../arm-none-eabi/lib start.o barehell...

Hello Christian, I've put some comments inline, On Sun, 3 Feb 2019 at 13:11, Christian Richter <christian.richter at hsu-hh.de> wrote: > > Hello again, > > so after I successfully build the compiler-rt for armv6 I tried to > actually use it in compiling a small helloworld for a baremetal arm > (consisting of barehelloCLANG.c and a small io.h + io.c) , but the >