******************************************************************************** conan install perf/5.13@ --build=perf --profile=/home/conan/w/BuildSingleReference/26830/cd16fc7f-3483-4ad9-90d9-83bdd0164fca/profile.txt ******************************************************************************** Configuration: [settings] arch=x86_64 arch_build=x86_64 build_type=Release compiler=gcc compiler.libcxx=libstdc++11 compiler.version=10 os=Linux os_build=Linux [options] [build_requires] [env] perf/5.13: Forced build from source Installing package: perf/5.13 Requirements perf/5.13 from local cache - Cache Packages perf/5.13:73468d6cd433312abe58cd86e0da983f5d6f13ce - Build Installing (downloading, building) binaries... perf/5.13: Copying sources to build folder perf/5.13: Building your package in /home/conan/w/BuildSingleReference/.conan/data/perf/5.13/_/_/build/73468d6cd433312abe58cd86e0da983f5d6f13ce perf/5.13: Generator txt created conanbuildinfo.txt [HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] 'fPIC' option not found [HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] OK perf/5.13: Calling build() ----Running------ > make -j3 ----------------- BUILD: Doing 'make -j4' parallel build HOSTCC fixdep.o HOSTLD fixdep-in.o LINK fixdep perf/5.13: Makefile.config:197: *** Error: flex is missing on this system, please install it. Stop. make[1]: *** [Makefile.perf:238: sub-make] Error 2 make: *** [Makefile:70: all] Error 2 perf/5.13: WARN: Build folder is dirty, removing it: /home/conan/w/BuildSingleReference/.conan/data/perf/5.13/_/_/build/73468d6cd433312abe58cd86e0da983f5d6f13ce perf/5.13: ERROR: Package '73468d6cd433312abe58cd86e0da983f5d6f13ce' build failed perf/5.13: WARN: Build folder /home/conan/w/BuildSingleReference/.conan/data/perf/5.13/_/_/build/73468d6cd433312abe58cd86e0da983f5d6f13ce ERROR: perf/5.13: Error in build() method, line 32 autotools.make() ConanException: Error 2 while executing make -j3