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every CDT make-invocation is delayed by "echo `locate libstdc++.a | sort -r | head -1 | sed "s/libstdc++.a$//"`" # time /usr/bin/locate libstdc++.a >&- real 0m12.799s user 0m12.766s sys 0m0.029s Bug introduced here: https://github.com/eclipse/cdt/commits/master/llvm/org.eclipse.cdt.managedbuilder.llvm.ui/scripts/stdlib_path.sh I discovered this on a plain C-Projekt which only uses the "Linux GCC"-Toolchain. I verified my eclipse contains that shell code with: find ~/eclipse-kepler-cdt/ -type f -exec file -skL --mime-type '{}' '+' | grep zip | cut -d: -f1 | while read line ; do unzip -p ${line} 2>&- | cat -v | grep locate | grep libstd && echo ${line}; done => ~/eclipse-kepler-cdt/plugins/org.eclipse.cdt.managedbuilder.llvm.ui_1.1.7.201306112328.jar As a workaround i added ~/bin to my PATH and did: ln -s /bin/true ~/bin/locate Result: build/clean/... make invocations are running immediatly
I can just confirm that this is still present with Luna RC3. Testcase: 1) have Eclipse+CDT+LLVM-Family-Compiler-Build-Support installed 2) startup eclipse 3) Use wizard to create minimal C Project (Hello World ANSI C Project / Linux GCC toolchain). 4) Build this project This seems to trigger LlvmResourceListener.resourceChanged with PRE_BUILD event, which then calls FindStdLibPath.find(), which depending on system can take seconds.
